add service

.gitea/workflows/deploy.yml

@@ -33,7 +33,10 @@ jobs:
           echo "${{ secrets.DEPLOY_KEY }}" > ~/.ssh/id_rsa
           chmod 600 ~/.ssh/id_rsa
           ssh-keyscan -H 185.185.142.203 >> ~/.ssh/known_hosts 2>/dev/null || true
-          ssh -i ~/.ssh/id_rsa root@185.185.142.203 'cd /home/n8n && /usr/bin/docker compose up -d smart-search-backend'
+          ssh -i ~/.ssh/id_rsa root@185.185.142.203 '
+            docker rm -f smart-search-backend 2>/dev/null || true
+            cd /home/n8n && /usr/bin/docker compose up -d smart-search-backend
+          '
 
       - name: Done
         run: echo "✅ Backend deployed!"

.gitignore

@@ -35,4 +35,8 @@ config/config.yaml
 # Build artifacts
 /bin/
 /dist/
-.gitea
+.gitea
+.gitea/workflows
+
+# Coverage
+coverage/

Makefile

@@ -1,4 +1,4 @@
-.PHONY: help build run migrate-up migrate-down migrate-create lint test test-integration proto clean
+.PHONY: help build run migrate-up migrate-down migrate-create lint test test-integration test-coverage proto clean
 
 help:
 	@echo "Available commands:"
@@ -12,6 +12,7 @@ help:
 	@echo "  make generate-mock   - Generate mocks for all interfaces (minimock)"
 	@echo "  make test            - Run unit tests"
 	@echo "  make test-integration - Run integration tests with testcontainers"
+	@echo "  make test-coverage   - Run tests with coverage report"
 	@echo "  make clean           - Clean build artifacts"
 
 build:
@@ -87,5 +88,13 @@ test-integration:
 	@echo "This may take several minutes..."
 	go test -v -timeout=10m ./tests/...
 
+test-coverage:
+	@echo "Running tests with coverage..."
+	@mkdir -p coverage
+	go test -timeout=10m -coverprofile=coverage/coverage.out -covermode=atomic ./...
+	go tool cover -func=coverage/coverage.out
+	go tool cover -html=coverage/coverage.out -o coverage/coverage.html
+	@echo "Coverage report: coverage/coverage.html"
+
 # Default DB URL for local development
-DB_URL ?= postgres://postgres:password@localhost:5432/b2b_search?sslmode=disable
+DB_URL ?= postgres://postgres:password@localhost:5432/b2b_data?sslmode=disable

api/proto/invite/invite.proto

@@ -22,15 +22,12 @@ message GenerateResponse {
 }
 
 message GetInfoRequest {
-  string code = 1;
+  int64 user_id = 1;
 }
 
 message GetInfoResponse {
   string code = 1;
-  int64 user_id = 2;
-  int32 can_be_used_count = 3;
-  int32 used_count = 4;
-  google.protobuf.Timestamp expires_at = 5;
-  bool is_active = 6;
-  google.protobuf.Timestamp created_at = 7;
+  int32 can_be_used_count = 2;
+  google.protobuf.Timestamp expires_at = 3;
+  google.protobuf.Timestamp created_at = 4;
 }

api/proto/request/request.proto

@@ -30,8 +30,17 @@ message ApproveTZRequest {
 }
 
 message ApproveTZResponse {
-  bool success = 1;
-  string mailing_status = 2;
+  string request_id = 1;
+  repeated Supplier suppliers = 2;
+}
+
+message Supplier {
+  string id = 1;
+  string name = 2;
+  string email = 3;
+  string phone = 4;
+  string address = 5;
+  string url = 6;
 }
 
 message GetMailingListRequest {
@@ -48,7 +57,7 @@ message GetMailingListByIDRequest {
 }
 
 message GetMailingListByIDResponse {
-  MailingItem item = 1;
+  MailingDetail detail = 1;
 }
 
 message MailingItem {
@@ -59,3 +68,10 @@ message MailingItem {
   google.protobuf.Timestamp created_at = 5;
   int32 suppliers_found = 6;
 }
+
+message MailingDetail {
+  string request_id = 1;
+  string title = 2;
+  string mail_text = 3;
+  repeated Supplier suppliers = 4;
+}

api/proto/user/user.proto

@@ -34,18 +34,22 @@ message GetStatisticsRequest {
 }
 
 message GetStatisticsResponse {
-  int32 total_requests = 1;
-  int32 successful_requests = 2;
-  int32 failed_requests = 3;
-  double total_spent = 4;
+  string suppliers_count = 1;
+  string requests_count = 2;
+  string created_tz = 3;
 }
 
 message GetBalanceStatisticsRequest {
   int64 user_id = 1;
 }
 
-message GetBalanceStatisticsResponse {
-  double balance = 1;
-  int32 total_requests = 2;
-  double total_spent = 3;
+message WriteOffHistoryItem {
+  string operation_id = 1;
+  string data = 2;
+  double amount = 3;
+}
+
+message GetBalanceStatisticsResponse {
+  double average_cost = 1;
+  repeated WriteOffHistoryItem write_off_history = 2;
 }

cmd/server/main.go

@@ -2,13 +2,14 @@ package main
 
 import (
 	"context"
-	"log"
+	"os"
 
 	"github.com/jackc/pgx/v5/pgxpool"
 	_ "github.com/jackc/pgx/v5/stdlib"
 	rkboot "github.com/rookie-ninja/rk-boot/v2"
 	rkentry "github.com/rookie-ninja/rk-entry/v2/entry"
 	rkgrpc "github.com/rookie-ninja/rk-grpc/v2/boot"
+	"go.uber.org/zap"
 	"google.golang.org/grpc"
 
 	"git.techease.ru/Smart-search/smart-search-back/internal/config"
@@ -19,50 +20,51 @@ import (
 )
 
 func main() {
-	cfg, err := config.Load("config/config.yaml")
-	if err != nil {
-		log.Fatalf("Failed to load config: %v", err)
-	}
-
-	ctx := context.Background()
-
-	if err := database.RunMigrations(cfg.DatabaseURL()); err != nil {
-		log.Fatalf("Failed to run migrations: %v", err)
-	}
-
-	pool, err := pgxpool.New(ctx, cfg.DatabaseURL())
-	if err != nil {
-		log.Fatalf("Failed to connect to database: %v", err)
-	}
-	defer pool.Close()
-
-	if err := pool.Ping(ctx); err != nil {
-		log.Fatalf("Failed to ping database: %v", err)
-	}
-
-	log.Println("Successfully connected to database")
-
 	boot := rkboot.NewBoot(rkboot.WithBootConfigPath("config/boot.yaml", nil))
 
-	grpcEntry := rkgrpc.GetGrpcEntry("smart-search-service")
-	if grpcEntry == nil {
-		log.Fatal("Failed to get gRPC entry from rk-boot")
-	}
-
-	loggerEntry := rkentry.GlobalAppCtx.GetLoggerEntry("smart-search-service")
+	loggerEntry := rkentry.GlobalAppCtx.GetLoggerEntry("smart-search-logger")
 	if loggerEntry == nil {
 		loggerEntry = rkentry.GlobalAppCtx.GetLoggerEntryDefault()
 	}
 	logger := loggerEntry.Logger
 
+	cfg, err := config.Load("config/config.yaml")
+	if err != nil {
+		logger.Fatal("Failed to load config", zap.Error(err))
+	}
+
+	ctx := context.Background()
+
+	if err := database.RunMigrations(cfg.DatabaseURL(), logger); err != nil {
+		logger.Fatal("Failed to run migrations", zap.Error(err))
+	}
+
+	pool, err := pgxpool.New(ctx, cfg.DatabaseURL())
+	if err != nil {
+		logger.Fatal("Failed to connect to database", zap.Error(err))
+	}
+	defer pool.Close()
+
+	if err := pool.Ping(ctx); err != nil {
+		logger.Fatal("Failed to ping database", zap.Error(err))
+	}
+
+	logger.Info("Successfully connected to database")
+
+	grpcEntry := rkgrpc.GetGrpcEntry("smart-search-service")
+	if grpcEntry == nil {
+		logger.Fatal("Failed to get gRPC entry from rk-boot")
+		os.Exit(1)
+	}
+
 	sessionRepo := repository.NewSessionRepository(pool)
 	inviteRepo := repository.NewInviteRepository(pool)
 
-	sessionCleaner := worker.NewSessionCleaner(ctx, sessionRepo)
+	sessionCleaner := worker.NewSessionCleaner(ctx, sessionRepo, logger)
 	sessionCleaner.Start()
 	defer sessionCleaner.Stop()
 
-	inviteCleaner := worker.NewInviteCleaner(ctx, inviteRepo)
+	inviteCleaner := worker.NewInviteCleaner(ctx, inviteRepo, logger)
 	inviteCleaner.Start()
 	defer inviteCleaner.Stop()
 
@@ -81,9 +83,9 @@ func main() {
 
 	boot.Bootstrap(ctx)
 
-	log.Println("gRPC server started via rk-boot on port 9091")
+	logger.Info("gRPC server started via rk-boot")
 
 	boot.WaitForShutdownSig(ctx)
 
-	log.Println("Server stopped gracefully")
+	logger.Info("Server stopped gracefully")
 }

config/boot.yaml

@@ -1,34 +1,27 @@
 ---
 logger:
   - name: smart-search-logger
-    description: "Application logger for smart-search service"
     default: true
     zap:
-      level: error
-      development: false
+      level: info
       encoding: console
       outputPaths: ["stdout"]
       errorOutputPaths: ["stderr"]
-      disableCaller: false
-      disableStacktrace: false
 
 grpc:
   - name: smart-search-service
-    port: 9091
+    port: 9092
     enabled: true
     enableReflection: true
     enableRkGwOption: true
     loggerEntry: smart-search-logger
-    eventEntry: smart-search-logger
     middleware:
       logging:
-        enabled: true
-        loggerEncoding: "console"
-        loggerOutputPaths: ["stdout"]
+        enabled: false
       meta:
-        enabled: true
+        enabled: false
       trace:
-        enabled: true
+        enabled: false
       prometheus:
         enabled: true
       auth:

config/config.yaml.example

@@ -16,9 +16,5 @@ security:
   jwt_secret: ${JWT_SECRET:xM8KhJVkk28cIJeBo0306O2e6Ifni6tNVlcCMxDFAEc=}
   crypto_secret: ${CRYPTO_SECRET:xM8KhJVkk28cIJeBo0306O2e6Ifni6tNVlcCMxDFAEc=}
 
-grpc:
-  port: ${GRPC_PORT:9091}
-  max_connections: ${GRPC_MAX_CONNS:100}
-
 logging:
   level: ${LOG_LEVEL:info}

go.mod

@@ -17,6 +17,7 @@ require (
 	github.com/testcontainers/testcontainers-go/modules/postgres v0.40.0
 	github.com/xuri/excelize/v2 v2.10.0
 	go.uber.org/zap v1.27.1
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260114163908-3f89685c29c3
 	google.golang.org/grpc v1.78.0
 	google.golang.org/protobuf v1.36.11
 	gopkg.in/yaml.v3 v3.0.1
@@ -95,7 +96,6 @@ require (
 	github.com/spf13/cast v1.10.0 // indirect
 	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/spf13/viper v1.21.0 // indirect
-	github.com/stretchr/objx v0.5.2 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/tiendc/go-deepcopy v1.7.1 // indirect
 	github.com/tklauser/go-sysconf v0.3.12 // indirect
@@ -126,7 +126,6 @@ require (
 	golang.org/x/sys v0.40.0 // indirect
 	golang.org/x/text v0.33.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20251029180050-ab9386a59fda // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20260114163908-3f89685c29c3 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	nhooyr.io/websocket v1.8.6 // indirect

internal/ai/openai.go

@@ -41,9 +41,17 @@ type tzResponse struct {
 }
 
 func NewOpenAIClient(apiKey string) *OpenAIClient {
+	transport := &http.Transport{
+		Proxy: http.ProxyFromEnvironment,
+	}
+
+	client := &http.Client{
+		Transport: transport,
+	}
+
 	return &OpenAIClient{
 		apiKey: apiKey,
-		client: &http.Client{},
+		client: client,
 	}
 }
 

internal/ai/perplexity.go

@@ -45,7 +45,7 @@ type supplierData struct {
 	CompanyName string `json:"company_name"`
 	Email       string `json:"email"`
 	Phone       string `json:"phone"`
-	Address     string `json:"adress"`
+	Address     string `json:"address"`
 	URL         string `json:"url"`
 }
 
@@ -123,7 +123,7 @@ func (c *PerplexityClient) FindSuppliers(tzText string) ([]*model.Supplier, int,
 - Сортируй по релевантности`, tzText)
 
 	reqBody := perplexityRequest{
-		Model: "llama-3.1-sonar-large-128k-online",
+		Model: "sonar",
 		Messages: []perplexityMessage{
 			{
 				Role:    "user",

internal/config/config.go

@@ -12,7 +12,6 @@ type Config struct {
 	Database DatabaseConfig `yaml:"database"`
 	AI       AIConfig       `yaml:"ai"`
 	Security SecurityConfig `yaml:"security"`
-	GRPC     GRPCConfig     `yaml:"grpc"`
 	Logging  LoggingConfig  `yaml:"logging"`
 }
 
@@ -37,11 +36,6 @@ type SecurityConfig struct {
 	CryptoSecret string `yaml:"crypto_secret"`
 }
 
-type GRPCConfig struct {
-	Port           int `yaml:"port"`
-	MaxConnections int `yaml:"max_connections"`
-}
-
 type LoggingConfig struct {
 	Level string `yaml:"level"`
 }

internal/database/migrations.go

@@ -7,13 +7,14 @@ import (
 
 	_ "github.com/jackc/pgx/v5/stdlib"
 	"github.com/pressly/goose/v3"
+	"go.uber.org/zap"
 )
 
-func RunMigrations(databaseURL string) error {
-	return RunMigrationsFromPath(databaseURL, "migrations")
+func RunMigrations(databaseURL string, logger *zap.Logger) error {
+	return RunMigrationsFromPath(databaseURL, "migrations", logger)
 }
 
-func RunMigrationsFromPath(databaseURL, migrationsDir string) error {
+func RunMigrationsFromPath(databaseURL, migrationsDir string, logger *zap.Logger) error {
 	db, err := sql.Open("pgx", databaseURL)
 	if err != nil {
 		return fmt.Errorf("failed to open database connection for migrations: %w", err)
@@ -28,6 +29,8 @@ func RunMigrationsFromPath(databaseURL, migrationsDir string) error {
 		return fmt.Errorf("failed to set goose dialect: %w", err)
 	}
 
+	goose.SetLogger(&gooseLogger{logger: logger})
+
 	absPath, err := filepath.Abs(migrationsDir)
 	if err != nil {
 		return fmt.Errorf("failed to resolve migrations path: %w", err)
@@ -39,3 +42,15 @@ func RunMigrationsFromPath(databaseURL, migrationsDir string) error {
 
 	return nil
 }
+
+type gooseLogger struct {
+	logger *zap.Logger
+}
+
+func (l *gooseLogger) Fatalf(format string, v ...interface{}) {
+	l.logger.Fatal(fmt.Sprintf(format, v...))
+}
+
+func (l *gooseLogger) Printf(format string, v ...interface{}) {
+	l.logger.Info(fmt.Sprintf(format, v...))
+}

internal/grpc/invite_handler.go

@@ -23,23 +23,15 @@ func (h *InviteHandler) Generate(ctx context.Context, req *pb.GenerateRequest) (
 }
 
 func (h *InviteHandler) GetInfo(ctx context.Context, req *pb.GetInfoRequest) (*pb.GetInfoResponse, error) {
-	code, err := strconv.ParseInt(req.Code, 10, 64)
-	if err != nil {
-		return nil, errors.ToGRPCError(err, h.logger, "InviteService.GetInfo")
-	}
-
-	invite, err := h.inviteService.GetInfo(ctx, code)
+	invite, err := h.inviteService.GetInfo(ctx, int(req.UserId))
 	if err != nil {
 		return nil, errors.ToGRPCError(err, h.logger, "InviteService.GetInfo")
 	}
 
 	return &pb.GetInfoResponse{
 		Code:           strconv.FormatInt(invite.Code, 10),
-		UserId:         int64(invite.UserID),
 		CanBeUsedCount: int32(invite.CanBeUsedCount),
-		UsedCount:      int32(invite.UsedCount),
 		ExpiresAt:      timestamppb.New(invite.ExpiresAt),
-		IsActive:       invite.IsActive,
 		CreatedAt:      timestamppb.New(invite.CreatedAt),
 	}, nil
 }

internal/grpc/request_handler.go

@@ -2,7 +2,7 @@ package grpc
 
 import (
 	"context"
-	"time"
+	"strconv"
 
 	"git.techease.ru/Smart-search/smart-search-back/pkg/errors"
 	pb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/request"
@@ -11,12 +11,7 @@ import (
 )
 
 func (h *RequestHandler) CreateTZ(ctx context.Context, req *pb.CreateTZRequest) (*pb.CreateTZResponse, error) {
-	requestTxt := req.RequestTxt
-	if len(req.FileData) > 0 {
-		requestTxt += "\n[File: " + req.FileName + "]"
-	}
-
-	requestID, tzText, err := h.requestService.CreateTZ(ctx, int(req.UserId), requestTxt)
+	requestID, tzText, err := h.requestService.CreateTZ(ctx, int(req.UserId), req.RequestTxt, req.FileData, req.FileName)
 	if err != nil {
 		return nil, errors.ToGRPCError(err, h.logger, "RequestService.CreateTZ")
 	}
@@ -33,14 +28,26 @@ func (h *RequestHandler) ApproveTZ(ctx context.Context, req *pb.ApproveTZRequest
 		return nil, errors.ToGRPCError(err, h.logger, "RequestService.ApproveTZ")
 	}
 
-	_, err = h.requestService.ApproveTZ(ctx, requestID, req.FinalTz, int(req.UserId))
+	suppliers, err := h.requestService.ApproveTZ(ctx, requestID, req.FinalTz, int(req.UserId))
 	if err != nil {
 		return nil, errors.ToGRPCError(err, h.logger, "RequestService.ApproveTZ")
 	}
 
+	pbSuppliers := make([]*pb.Supplier, 0, len(suppliers))
+	for _, s := range suppliers {
+		pbSuppliers = append(pbSuppliers, &pb.Supplier{
+			Id:      strconv.Itoa(s.ID),
+			Name:    s.Name,
+			Email:   s.Email,
+			Phone:   s.Phone,
+			Address: s.Address,
+			Url:     s.URL,
+		})
+	}
+
 	return &pb.ApproveTZResponse{
-		Success:       true,
-		MailingStatus: "sent",
+		RequestId: req.RequestId,
+		Suppliers: pbSuppliers,
 	}, nil
 }
 
@@ -73,19 +80,28 @@ func (h *RequestHandler) GetMailingListByID(ctx context.Context, req *pb.GetMail
 		return nil, errors.ToGRPCError(err, h.logger, "RequestService.GetMailingListByID")
 	}
 
-	detail, err := h.requestService.GetMailingListByID(ctx, requestID)
+	detail, err := h.requestService.GetMailingListByID(ctx, requestID, int(req.UserId))
 	if err != nil {
 		return nil, errors.ToGRPCError(err, h.logger, "RequestService.GetMailingListByID")
 	}
 
+	suppliers := make([]*pb.Supplier, 0, len(detail.Suppliers))
+	for _, s := range detail.Suppliers {
+		suppliers = append(suppliers, &pb.Supplier{
+			Id:    strconv.Itoa(s.CompanyID),
+			Name:  s.CompanyName,
+			Email: s.Email,
+			Phone: s.Phone,
+			Url:   s.URL,
+		})
+	}
+
 	return &pb.GetMailingListByIDResponse{
-		Item: &pb.MailingItem{
-			RequestId:      detail.RequestID.String(),
-			RequestTxt:     detail.Title,
-			FinalTz:        detail.MailText,
-			MailingStatus:  "sent",
-			CreatedAt:      timestamppb.New(time.Now()),
-			SuppliersFound: int32(len(detail.Suppliers)),
+		Detail: &pb.MailingDetail{
+			RequestId: detail.RequestID.String(),
+			Title:     detail.Title,
+			MailText:  detail.MailText,
+			Suppliers: suppliers,
 		},
 	}, nil
 }

internal/grpc/server.go

@@ -59,10 +59,10 @@ func NewHandlers(pool *pgxpool.Pool, jwtSecret, cryptoSecret, openAIKey, perplex
 	perplexityClient := ai.NewPerplexityClient(perplexityKey)
 
 	authService := service.NewAuthService(userRepo, sessionRepo, inviteRepo, txManager, jwtSecret, cryptoSecret)
-	userService := service.NewUserService(userRepo, requestRepo, cryptoSecret)
+	userService := service.NewUserService(userRepo, requestRepo, tokenUsageRepo, cryptoSecret)
 	inviteService := service.NewInviteService(inviteRepo, userRepo, txManager)
 	requestService := service.NewRequestService(requestRepo, supplierRepo, tokenUsageRepo, userRepo, openAIClient, perplexityClient, txManager)
-	supplierService := service.NewSupplierService(supplierRepo)
+	supplierService := service.NewSupplierService(supplierRepo, requestRepo)
 
 	return &AuthHandler{authService: authService, logger: logger},
 		&UserHandler{userService: userService, logger: logger},

internal/grpc/supplier_handler.go

@@ -14,7 +14,7 @@ func (h *SupplierHandler) ExportExcel(ctx context.Context, req *pb.ExportExcelRe
 		return nil, errors.ToGRPCError(err, h.logger, "SupplierService.ExportExcel")
 	}
 
-	fileData, err := h.supplierService.ExportExcel(ctx, requestID)
+	fileData, err := h.supplierService.ExportExcel(ctx, requestID, int(req.UserId))
 	if err != nil {
 		return nil, errors.ToGRPCError(err, h.logger, "SupplierService.ExportExcel")
 	}

internal/grpc/user_handler.go

@@ -2,6 +2,7 @@ package grpc
 
 import (
 	"context"
+	"strconv"
 
 	"git.techease.ru/Smart-search/smart-search-back/pkg/errors"
 	pb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/user"
@@ -40,27 +41,29 @@ func (h *UserHandler) GetStatistics(ctx context.Context, req *pb.GetStatisticsRe
 	}
 
 	return &pb.GetStatisticsResponse{
-		TotalRequests:      int32(stats.RequestsCount),
-		SuccessfulRequests: int32(stats.SuppliersCount),
-		FailedRequests:     0,
-		TotalSpent:         0,
+		SuppliersCount: strconv.Itoa(stats.SuppliersCount),
+		RequestsCount:  strconv.Itoa(stats.RequestsCount),
+		CreatedTz:      strconv.Itoa(stats.CreatedTZ),
 	}, nil
 }
 
 func (h *UserHandler) GetBalanceStatistics(ctx context.Context, req *pb.GetBalanceStatisticsRequest) (*pb.GetBalanceStatisticsResponse, error) {
-	balance, err := h.userService.GetBalance(ctx, int(req.UserId))
+	stats, err := h.userService.GetBalanceStatistics(ctx, int(req.UserId))
 	if err != nil {
 		return nil, errors.ToGRPCError(err, h.logger, "UserService.GetBalanceStatistics")
 	}
 
-	stats, err := h.userService.GetStatistics(ctx, int(req.UserId))
-	if err != nil {
-		return nil, errors.ToGRPCError(err, h.logger, "UserService.GetBalanceStatistics")
+	history := make([]*pb.WriteOffHistoryItem, 0, len(stats.WriteOffHistory))
+	for _, item := range stats.WriteOffHistory {
+		history = append(history, &pb.WriteOffHistoryItem{
+			OperationId: item.OperationID,
+			Data:        item.Data,
+			Amount:      item.Amount,
+		})
 	}
 
 	return &pb.GetBalanceStatisticsResponse{
-		Balance:       balance,
-		TotalRequests: int32(stats.RequestsCount),
-		TotalSpent:    0,
+		AverageCost:     stats.AverageCost,
+		WriteOffHistory: history,
 	}, nil
 }

internal/mocks/invite_repository_mock.go

@@ -55,6 +55,13 @@ type InviteRepositoryMock struct {
 	beforeFindActiveByCodeCounter uint64
 	FindActiveByCodeMock          mInviteRepositoryMockFindActiveByCode
 
+	funcFindActiveByUserID          func(ctx context.Context, userID int) (ip1 *model.InviteCode, err error)
+	funcFindActiveByUserIDOrigin    string
+	inspectFuncFindActiveByUserID   func(ctx context.Context, userID int)
+	afterFindActiveByUserIDCounter  uint64
+	beforeFindActiveByUserIDCounter uint64
+	FindActiveByUserIDMock          mInviteRepositoryMockFindActiveByUserID
+
 	funcFindByCode          func(ctx context.Context, code int64) (ip1 *model.InviteCode, err error)
 	funcFindByCodeOrigin    string
 	inspectFuncFindByCode   func(ctx context.Context, code int64)
@@ -68,13 +75,6 @@ type InviteRepositoryMock struct {
 	afterGetUserInvitesCounter  uint64
 	beforeGetUserInvitesCounter uint64
 	GetUserInvitesMock          mInviteRepositoryMockGetUserInvites
-
-	funcIncrementUsedCount          func(ctx context.Context, code int64) (err error)
-	funcIncrementUsedCountOrigin    string
-	inspectFuncIncrementUsedCount   func(ctx context.Context, code int64)
-	afterIncrementUsedCountCounter  uint64
-	beforeIncrementUsedCountCounter uint64
-	IncrementUsedCountMock          mInviteRepositoryMockIncrementUsedCount
 }
 
 // NewInviteRepositoryMock returns a mock for mm_repository.InviteRepository
@@ -100,15 +100,15 @@ func NewInviteRepositoryMock(t minimock.Tester) *InviteRepositoryMock {
 	m.FindActiveByCodeMock = mInviteRepositoryMockFindActiveByCode{mock: m}
 	m.FindActiveByCodeMock.callArgs = []*InviteRepositoryMockFindActiveByCodeParams{}
 
+	m.FindActiveByUserIDMock = mInviteRepositoryMockFindActiveByUserID{mock: m}
+	m.FindActiveByUserIDMock.callArgs = []*InviteRepositoryMockFindActiveByUserIDParams{}
+
 	m.FindByCodeMock = mInviteRepositoryMockFindByCode{mock: m}
 	m.FindByCodeMock.callArgs = []*InviteRepositoryMockFindByCodeParams{}
 
 	m.GetUserInvitesMock = mInviteRepositoryMockGetUserInvites{mock: m}
 	m.GetUserInvitesMock.callArgs = []*InviteRepositoryMockGetUserInvitesParams{}
 
-	m.IncrementUsedCountMock = mInviteRepositoryMockIncrementUsedCount{mock: m}
-	m.IncrementUsedCountMock.callArgs = []*InviteRepositoryMockIncrementUsedCountParams{}
-
 	t.Cleanup(m.MinimockFinish)
 
 	return m
@@ -1857,6 +1857,349 @@ func (m *InviteRepositoryMock) MinimockFindActiveByCodeInspect() {
 	}
 }
 
+type mInviteRepositoryMockFindActiveByUserID struct {
+	optional           bool
+	mock               *InviteRepositoryMock
+	defaultExpectation *InviteRepositoryMockFindActiveByUserIDExpectation
+	expectations       []*InviteRepositoryMockFindActiveByUserIDExpectation
+
+	callArgs []*InviteRepositoryMockFindActiveByUserIDParams
+	mutex    sync.RWMutex
+
+	expectedInvocations       uint64
+	expectedInvocationsOrigin string
+}
+
+// InviteRepositoryMockFindActiveByUserIDExpectation specifies expectation struct of the InviteRepository.FindActiveByUserID
+type InviteRepositoryMockFindActiveByUserIDExpectation struct {
+	mock               *InviteRepositoryMock
+	params             *InviteRepositoryMockFindActiveByUserIDParams
+	paramPtrs          *InviteRepositoryMockFindActiveByUserIDParamPtrs
+	expectationOrigins InviteRepositoryMockFindActiveByUserIDExpectationOrigins
+	results            *InviteRepositoryMockFindActiveByUserIDResults
+	returnOrigin       string
+	Counter            uint64
+}
+
+// InviteRepositoryMockFindActiveByUserIDParams contains parameters of the InviteRepository.FindActiveByUserID
+type InviteRepositoryMockFindActiveByUserIDParams struct {
+	ctx    context.Context
+	userID int
+}
+
+// InviteRepositoryMockFindActiveByUserIDParamPtrs contains pointers to parameters of the InviteRepository.FindActiveByUserID
+type InviteRepositoryMockFindActiveByUserIDParamPtrs struct {
+	ctx    *context.Context
+	userID *int
+}
+
+// InviteRepositoryMockFindActiveByUserIDResults contains results of the InviteRepository.FindActiveByUserID
+type InviteRepositoryMockFindActiveByUserIDResults struct {
+	ip1 *model.InviteCode
+	err error
+}
+
+// InviteRepositoryMockFindActiveByUserIDOrigins contains origins of expectations of the InviteRepository.FindActiveByUserID
+type InviteRepositoryMockFindActiveByUserIDExpectationOrigins struct {
+	origin       string
+	originCtx    string
+	originUserID string
+}
+
+// Marks this method to be optional. The default behavior of any method with Return() is '1 or more', meaning
+// the test will fail minimock's automatic final call check if the mocked method was not called at least once.
+// Optional() makes method check to work in '0 or more' mode.
+// It is NOT RECOMMENDED to use this option unless you really need it, as default behaviour helps to
+// catch the problems when the expected method call is totally skipped during test run.
+func (mmFindActiveByUserID *mInviteRepositoryMockFindActiveByUserID) Optional() *mInviteRepositoryMockFindActiveByUserID {
+	mmFindActiveByUserID.optional = true
+	return mmFindActiveByUserID
+}
+
+// Expect sets up expected params for InviteRepository.FindActiveByUserID
+func (mmFindActiveByUserID *mInviteRepositoryMockFindActiveByUserID) Expect(ctx context.Context, userID int) *mInviteRepositoryMockFindActiveByUserID {
+	if mmFindActiveByUserID.mock.funcFindActiveByUserID != nil {
+		mmFindActiveByUserID.mock.t.Fatalf("InviteRepositoryMock.FindActiveByUserID mock is already set by Set")
+	}
+
+	if mmFindActiveByUserID.defaultExpectation == nil {
+		mmFindActiveByUserID.defaultExpectation = &InviteRepositoryMockFindActiveByUserIDExpectation{}
+	}
+
+	if mmFindActiveByUserID.defaultExpectation.paramPtrs != nil {
+		mmFindActiveByUserID.mock.t.Fatalf("InviteRepositoryMock.FindActiveByUserID mock is already set by ExpectParams functions")
+	}
+
+	mmFindActiveByUserID.defaultExpectation.params = &InviteRepositoryMockFindActiveByUserIDParams{ctx, userID}
+	mmFindActiveByUserID.defaultExpectation.expectationOrigins.origin = minimock.CallerInfo(1)
+	for _, e := range mmFindActiveByUserID.expectations {
+		if minimock.Equal(e.params, mmFindActiveByUserID.defaultExpectation.params) {
+			mmFindActiveByUserID.mock.t.Fatalf("Expectation set by When has same params: %#v", *mmFindActiveByUserID.defaultExpectation.params)
+		}
+	}
+
+	return mmFindActiveByUserID
+}
+
+// ExpectCtxParam1 sets up expected param ctx for InviteRepository.FindActiveByUserID
+func (mmFindActiveByUserID *mInviteRepositoryMockFindActiveByUserID) ExpectCtxParam1(ctx context.Context) *mInviteRepositoryMockFindActiveByUserID {
+	if mmFindActiveByUserID.mock.funcFindActiveByUserID != nil {
+		mmFindActiveByUserID.mock.t.Fatalf("InviteRepositoryMock.FindActiveByUserID mock is already set by Set")
+	}
+
+	if mmFindActiveByUserID.defaultExpectation == nil {
+		mmFindActiveByUserID.defaultExpectation = &InviteRepositoryMockFindActiveByUserIDExpectation{}
+	}
+
+	if mmFindActiveByUserID.defaultExpectation.params != nil {
+		mmFindActiveByUserID.mock.t.Fatalf("InviteRepositoryMock.FindActiveByUserID mock is already set by Expect")
+	}
+
+	if mmFindActiveByUserID.defaultExpectation.paramPtrs == nil {
+		mmFindActiveByUserID.defaultExpectation.paramPtrs = &InviteRepositoryMockFindActiveByUserIDParamPtrs{}
+	}
+	mmFindActiveByUserID.defaultExpectation.paramPtrs.ctx = &ctx
+	mmFindActiveByUserID.defaultExpectation.expectationOrigins.originCtx = minimock.CallerInfo(1)
+
+	return mmFindActiveByUserID
+}
+
+// ExpectUserIDParam2 sets up expected param userID for InviteRepository.FindActiveByUserID
+func (mmFindActiveByUserID *mInviteRepositoryMockFindActiveByUserID) ExpectUserIDParam2(userID int) *mInviteRepositoryMockFindActiveByUserID {
+	if mmFindActiveByUserID.mock.funcFindActiveByUserID != nil {
+		mmFindActiveByUserID.mock.t.Fatalf("InviteRepositoryMock.FindActiveByUserID mock is already set by Set")
+	}
+
+	if mmFindActiveByUserID.defaultExpectation == nil {
+		mmFindActiveByUserID.defaultExpectation = &InviteRepositoryMockFindActiveByUserIDExpectation{}
+	}
+
+	if mmFindActiveByUserID.defaultExpectation.params != nil {
+		mmFindActiveByUserID.mock.t.Fatalf("InviteRepositoryMock.FindActiveByUserID mock is already set by Expect")
+	}
+
+	if mmFindActiveByUserID.defaultExpectation.paramPtrs == nil {
+		mmFindActiveByUserID.defaultExpectation.paramPtrs = &InviteRepositoryMockFindActiveByUserIDParamPtrs{}
+	}
+	mmFindActiveByUserID.defaultExpectation.paramPtrs.userID = &userID
+	mmFindActiveByUserID.defaultExpectation.expectationOrigins.originUserID = minimock.CallerInfo(1)
+
+	return mmFindActiveByUserID
+}
+
+// Inspect accepts an inspector function that has same arguments as the InviteRepository.FindActiveByUserID
+func (mmFindActiveByUserID *mInviteRepositoryMockFindActiveByUserID) Inspect(f func(ctx context.Context, userID int)) *mInviteRepositoryMockFindActiveByUserID {
+	if mmFindActiveByUserID.mock.inspectFuncFindActiveByUserID != nil {
+		mmFindActiveByUserID.mock.t.Fatalf("Inspect function is already set for InviteRepositoryMock.FindActiveByUserID")
+	}
+
+	mmFindActiveByUserID.mock.inspectFuncFindActiveByUserID = f
+
+	return mmFindActiveByUserID
+}
+
+// Return sets up results that will be returned by InviteRepository.FindActiveByUserID
+func (mmFindActiveByUserID *mInviteRepositoryMockFindActiveByUserID) Return(ip1 *model.InviteCode, err error) *InviteRepositoryMock {
+	if mmFindActiveByUserID.mock.funcFindActiveByUserID != nil {
+		mmFindActiveByUserID.mock.t.Fatalf("InviteRepositoryMock.FindActiveByUserID mock is already set by Set")
+	}
+
+	if mmFindActiveByUserID.defaultExpectation == nil {
+		mmFindActiveByUserID.defaultExpectation = &InviteRepositoryMockFindActiveByUserIDExpectation{mock: mmFindActiveByUserID.mock}
+	}
+	mmFindActiveByUserID.defaultExpectation.results = &InviteRepositoryMockFindActiveByUserIDResults{ip1, err}
+	mmFindActiveByUserID.defaultExpectation.returnOrigin = minimock.CallerInfo(1)
+	return mmFindActiveByUserID.mock
+}
+
+// Set uses given function f to mock the InviteRepository.FindActiveByUserID method
+func (mmFindActiveByUserID *mInviteRepositoryMockFindActiveByUserID) Set(f func(ctx context.Context, userID int) (ip1 *model.InviteCode, err error)) *InviteRepositoryMock {
+	if mmFindActiveByUserID.defaultExpectation != nil {
+		mmFindActiveByUserID.mock.t.Fatalf("Default expectation is already set for the InviteRepository.FindActiveByUserID method")
+	}
+
+	if len(mmFindActiveByUserID.expectations) > 0 {
+		mmFindActiveByUserID.mock.t.Fatalf("Some expectations are already set for the InviteRepository.FindActiveByUserID method")
+	}
+
+	mmFindActiveByUserID.mock.funcFindActiveByUserID = f
+	mmFindActiveByUserID.mock.funcFindActiveByUserIDOrigin = minimock.CallerInfo(1)
+	return mmFindActiveByUserID.mock
+}
+
+// When sets expectation for the InviteRepository.FindActiveByUserID which will trigger the result defined by the following
+// Then helper
+func (mmFindActiveByUserID *mInviteRepositoryMockFindActiveByUserID) When(ctx context.Context, userID int) *InviteRepositoryMockFindActiveByUserIDExpectation {
+	if mmFindActiveByUserID.mock.funcFindActiveByUserID != nil {
+		mmFindActiveByUserID.mock.t.Fatalf("InviteRepositoryMock.FindActiveByUserID mock is already set by Set")
+	}
+
+	expectation := &InviteRepositoryMockFindActiveByUserIDExpectation{
+		mock:               mmFindActiveByUserID.mock,
+		params:             &InviteRepositoryMockFindActiveByUserIDParams{ctx, userID},
+		expectationOrigins: InviteRepositoryMockFindActiveByUserIDExpectationOrigins{origin: minimock.CallerInfo(1)},
+	}
+	mmFindActiveByUserID.expectations = append(mmFindActiveByUserID.expectations, expectation)
+	return expectation
+}
+
+// Then sets up InviteRepository.FindActiveByUserID return parameters for the expectation previously defined by the When method
+func (e *InviteRepositoryMockFindActiveByUserIDExpectation) Then(ip1 *model.InviteCode, err error) *InviteRepositoryMock {
+	e.results = &InviteRepositoryMockFindActiveByUserIDResults{ip1, err}
+	return e.mock
+}
+
+// Times sets number of times InviteRepository.FindActiveByUserID should be invoked
+func (mmFindActiveByUserID *mInviteRepositoryMockFindActiveByUserID) Times(n uint64) *mInviteRepositoryMockFindActiveByUserID {
+	if n == 0 {
+		mmFindActiveByUserID.mock.t.Fatalf("Times of InviteRepositoryMock.FindActiveByUserID mock can not be zero")
+	}
+	mm_atomic.StoreUint64(&mmFindActiveByUserID.expectedInvocations, n)
+	mmFindActiveByUserID.expectedInvocationsOrigin = minimock.CallerInfo(1)
+	return mmFindActiveByUserID
+}
+
+func (mmFindActiveByUserID *mInviteRepositoryMockFindActiveByUserID) invocationsDone() bool {
+	if len(mmFindActiveByUserID.expectations) == 0 && mmFindActiveByUserID.defaultExpectation == nil && mmFindActiveByUserID.mock.funcFindActiveByUserID == nil {
+		return true
+	}
+
+	totalInvocations := mm_atomic.LoadUint64(&mmFindActiveByUserID.mock.afterFindActiveByUserIDCounter)
+	expectedInvocations := mm_atomic.LoadUint64(&mmFindActiveByUserID.expectedInvocations)
+
+	return totalInvocations > 0 && (expectedInvocations == 0 || expectedInvocations == totalInvocations)
+}
+
+// FindActiveByUserID implements mm_repository.InviteRepository
+func (mmFindActiveByUserID *InviteRepositoryMock) FindActiveByUserID(ctx context.Context, userID int) (ip1 *model.InviteCode, err error) {
+	mm_atomic.AddUint64(&mmFindActiveByUserID.beforeFindActiveByUserIDCounter, 1)
+	defer mm_atomic.AddUint64(&mmFindActiveByUserID.afterFindActiveByUserIDCounter, 1)
+
+	mmFindActiveByUserID.t.Helper()
+
+	if mmFindActiveByUserID.inspectFuncFindActiveByUserID != nil {
+		mmFindActiveByUserID.inspectFuncFindActiveByUserID(ctx, userID)
+	}
+
+	mm_params := InviteRepositoryMockFindActiveByUserIDParams{ctx, userID}
+
+	// Record call args
+	mmFindActiveByUserID.FindActiveByUserIDMock.mutex.Lock()
+	mmFindActiveByUserID.FindActiveByUserIDMock.callArgs = append(mmFindActiveByUserID.FindActiveByUserIDMock.callArgs, &mm_params)
+	mmFindActiveByUserID.FindActiveByUserIDMock.mutex.Unlock()
+
+	for _, e := range mmFindActiveByUserID.FindActiveByUserIDMock.expectations {
+		if minimock.Equal(*e.params, mm_params) {
+			mm_atomic.AddUint64(&e.Counter, 1)
+			return e.results.ip1, e.results.err
+		}
+	}
+
+	if mmFindActiveByUserID.FindActiveByUserIDMock.defaultExpectation != nil {
+		mm_atomic.AddUint64(&mmFindActiveByUserID.FindActiveByUserIDMock.defaultExpectation.Counter, 1)
+		mm_want := mmFindActiveByUserID.FindActiveByUserIDMock.defaultExpectation.params
+		mm_want_ptrs := mmFindActiveByUserID.FindActiveByUserIDMock.defaultExpectation.paramPtrs
+
+		mm_got := InviteRepositoryMockFindActiveByUserIDParams{ctx, userID}
+
+		if mm_want_ptrs != nil {
+
+			if mm_want_ptrs.ctx != nil && !minimock.Equal(*mm_want_ptrs.ctx, mm_got.ctx) {
+				mmFindActiveByUserID.t.Errorf("InviteRepositoryMock.FindActiveByUserID got unexpected parameter ctx, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmFindActiveByUserID.FindActiveByUserIDMock.defaultExpectation.expectationOrigins.originCtx, *mm_want_ptrs.ctx, mm_got.ctx, minimock.Diff(*mm_want_ptrs.ctx, mm_got.ctx))
+			}
+
+			if mm_want_ptrs.userID != nil && !minimock.Equal(*mm_want_ptrs.userID, mm_got.userID) {
+				mmFindActiveByUserID.t.Errorf("InviteRepositoryMock.FindActiveByUserID got unexpected parameter userID, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmFindActiveByUserID.FindActiveByUserIDMock.defaultExpectation.expectationOrigins.originUserID, *mm_want_ptrs.userID, mm_got.userID, minimock.Diff(*mm_want_ptrs.userID, mm_got.userID))
+			}
+
+		} else if mm_want != nil && !minimock.Equal(*mm_want, mm_got) {
+			mmFindActiveByUserID.t.Errorf("InviteRepositoryMock.FindActiveByUserID got unexpected parameters, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+				mmFindActiveByUserID.FindActiveByUserIDMock.defaultExpectation.expectationOrigins.origin, *mm_want, mm_got, minimock.Diff(*mm_want, mm_got))
+		}
+
+		mm_results := mmFindActiveByUserID.FindActiveByUserIDMock.defaultExpectation.results
+		if mm_results == nil {
+			mmFindActiveByUserID.t.Fatal("No results are set for the InviteRepositoryMock.FindActiveByUserID")
+		}
+		return (*mm_results).ip1, (*mm_results).err
+	}
+	if mmFindActiveByUserID.funcFindActiveByUserID != nil {
+		return mmFindActiveByUserID.funcFindActiveByUserID(ctx, userID)
+	}
+	mmFindActiveByUserID.t.Fatalf("Unexpected call to InviteRepositoryMock.FindActiveByUserID. %v %v", ctx, userID)
+	return
+}
+
+// FindActiveByUserIDAfterCounter returns a count of finished InviteRepositoryMock.FindActiveByUserID invocations
+func (mmFindActiveByUserID *InviteRepositoryMock) FindActiveByUserIDAfterCounter() uint64 {
+	return mm_atomic.LoadUint64(&mmFindActiveByUserID.afterFindActiveByUserIDCounter)
+}
+
+// FindActiveByUserIDBeforeCounter returns a count of InviteRepositoryMock.FindActiveByUserID invocations
+func (mmFindActiveByUserID *InviteRepositoryMock) FindActiveByUserIDBeforeCounter() uint64 {
+	return mm_atomic.LoadUint64(&mmFindActiveByUserID.beforeFindActiveByUserIDCounter)
+}
+
+// Calls returns a list of arguments used in each call to InviteRepositoryMock.FindActiveByUserID.
+// The list is in the same order as the calls were made (i.e. recent calls have a higher index)
+func (mmFindActiveByUserID *mInviteRepositoryMockFindActiveByUserID) Calls() []*InviteRepositoryMockFindActiveByUserIDParams {
+	mmFindActiveByUserID.mutex.RLock()
+
+	argCopy := make([]*InviteRepositoryMockFindActiveByUserIDParams, len(mmFindActiveByUserID.callArgs))
+	copy(argCopy, mmFindActiveByUserID.callArgs)
+
+	mmFindActiveByUserID.mutex.RUnlock()
+
+	return argCopy
+}
+
+// MinimockFindActiveByUserIDDone returns true if the count of the FindActiveByUserID invocations corresponds
+// the number of defined expectations
+func (m *InviteRepositoryMock) MinimockFindActiveByUserIDDone() bool {
+	if m.FindActiveByUserIDMock.optional {
+		// Optional methods provide '0 or more' call count restriction.
+		return true
+	}
+
+	for _, e := range m.FindActiveByUserIDMock.expectations {
+		if mm_atomic.LoadUint64(&e.Counter) < 1 {
+			return false
+		}
+	}
+
+	return m.FindActiveByUserIDMock.invocationsDone()
+}
+
+// MinimockFindActiveByUserIDInspect logs each unmet expectation
+func (m *InviteRepositoryMock) MinimockFindActiveByUserIDInspect() {
+	for _, e := range m.FindActiveByUserIDMock.expectations {
+		if mm_atomic.LoadUint64(&e.Counter) < 1 {
+			m.t.Errorf("Expected call to InviteRepositoryMock.FindActiveByUserID at\n%s with params: %#v", e.expectationOrigins.origin, *e.params)
+		}
+	}
+
+	afterFindActiveByUserIDCounter := mm_atomic.LoadUint64(&m.afterFindActiveByUserIDCounter)
+	// if default expectation was set then invocations count should be greater than zero
+	if m.FindActiveByUserIDMock.defaultExpectation != nil && afterFindActiveByUserIDCounter < 1 {
+		if m.FindActiveByUserIDMock.defaultExpectation.params == nil {
+			m.t.Errorf("Expected call to InviteRepositoryMock.FindActiveByUserID at\n%s", m.FindActiveByUserIDMock.defaultExpectation.returnOrigin)
+		} else {
+			m.t.Errorf("Expected call to InviteRepositoryMock.FindActiveByUserID at\n%s with params: %#v", m.FindActiveByUserIDMock.defaultExpectation.expectationOrigins.origin, *m.FindActiveByUserIDMock.defaultExpectation.params)
+		}
+	}
+	// if func was set then invocations count should be greater than zero
+	if m.funcFindActiveByUserID != nil && afterFindActiveByUserIDCounter < 1 {
+		m.t.Errorf("Expected call to InviteRepositoryMock.FindActiveByUserID at\n%s", m.funcFindActiveByUserIDOrigin)
+	}
+
+	if !m.FindActiveByUserIDMock.invocationsDone() && afterFindActiveByUserIDCounter > 0 {
+		m.t.Errorf("Expected %d calls to InviteRepositoryMock.FindActiveByUserID at\n%s but found %d calls",
+			mm_atomic.LoadUint64(&m.FindActiveByUserIDMock.expectedInvocations), m.FindActiveByUserIDMock.expectedInvocationsOrigin, afterFindActiveByUserIDCounter)
+	}
+}
+
 type mInviteRepositoryMockFindByCode struct {
 	optional           bool
 	mock               *InviteRepositoryMock
@@ -2543,348 +2886,6 @@ func (m *InviteRepositoryMock) MinimockGetUserInvitesInspect() {
 	}
 }
 
-type mInviteRepositoryMockIncrementUsedCount struct {
-	optional           bool
-	mock               *InviteRepositoryMock
-	defaultExpectation *InviteRepositoryMockIncrementUsedCountExpectation
-	expectations       []*InviteRepositoryMockIncrementUsedCountExpectation
-
-	callArgs []*InviteRepositoryMockIncrementUsedCountParams
-	mutex    sync.RWMutex
-
-	expectedInvocations       uint64
-	expectedInvocationsOrigin string
-}
-
-// InviteRepositoryMockIncrementUsedCountExpectation specifies expectation struct of the InviteRepository.IncrementUsedCount
-type InviteRepositoryMockIncrementUsedCountExpectation struct {
-	mock               *InviteRepositoryMock
-	params             *InviteRepositoryMockIncrementUsedCountParams
-	paramPtrs          *InviteRepositoryMockIncrementUsedCountParamPtrs
-	expectationOrigins InviteRepositoryMockIncrementUsedCountExpectationOrigins
-	results            *InviteRepositoryMockIncrementUsedCountResults
-	returnOrigin       string
-	Counter            uint64
-}
-
-// InviteRepositoryMockIncrementUsedCountParams contains parameters of the InviteRepository.IncrementUsedCount
-type InviteRepositoryMockIncrementUsedCountParams struct {
-	ctx  context.Context
-	code int64
-}
-
-// InviteRepositoryMockIncrementUsedCountParamPtrs contains pointers to parameters of the InviteRepository.IncrementUsedCount
-type InviteRepositoryMockIncrementUsedCountParamPtrs struct {
-	ctx  *context.Context
-	code *int64
-}
-
-// InviteRepositoryMockIncrementUsedCountResults contains results of the InviteRepository.IncrementUsedCount
-type InviteRepositoryMockIncrementUsedCountResults struct {
-	err error
-}
-
-// InviteRepositoryMockIncrementUsedCountOrigins contains origins of expectations of the InviteRepository.IncrementUsedCount
-type InviteRepositoryMockIncrementUsedCountExpectationOrigins struct {
-	origin     string
-	originCtx  string
-	originCode string
-}
-
-// Marks this method to be optional. The default behavior of any method with Return() is '1 or more', meaning
-// the test will fail minimock's automatic final call check if the mocked method was not called at least once.
-// Optional() makes method check to work in '0 or more' mode.
-// It is NOT RECOMMENDED to use this option unless you really need it, as default behaviour helps to
-// catch the problems when the expected method call is totally skipped during test run.
-func (mmIncrementUsedCount *mInviteRepositoryMockIncrementUsedCount) Optional() *mInviteRepositoryMockIncrementUsedCount {
-	mmIncrementUsedCount.optional = true
-	return mmIncrementUsedCount
-}
-
-// Expect sets up expected params for InviteRepository.IncrementUsedCount
-func (mmIncrementUsedCount *mInviteRepositoryMockIncrementUsedCount) Expect(ctx context.Context, code int64) *mInviteRepositoryMockIncrementUsedCount {
-	if mmIncrementUsedCount.mock.funcIncrementUsedCount != nil {
-		mmIncrementUsedCount.mock.t.Fatalf("InviteRepositoryMock.IncrementUsedCount mock is already set by Set")
-	}
-
-	if mmIncrementUsedCount.defaultExpectation == nil {
-		mmIncrementUsedCount.defaultExpectation = &InviteRepositoryMockIncrementUsedCountExpectation{}
-	}
-
-	if mmIncrementUsedCount.defaultExpectation.paramPtrs != nil {
-		mmIncrementUsedCount.mock.t.Fatalf("InviteRepositoryMock.IncrementUsedCount mock is already set by ExpectParams functions")
-	}
-
-	mmIncrementUsedCount.defaultExpectation.params = &InviteRepositoryMockIncrementUsedCountParams{ctx, code}
-	mmIncrementUsedCount.defaultExpectation.expectationOrigins.origin = minimock.CallerInfo(1)
-	for _, e := range mmIncrementUsedCount.expectations {
-		if minimock.Equal(e.params, mmIncrementUsedCount.defaultExpectation.params) {
-			mmIncrementUsedCount.mock.t.Fatalf("Expectation set by When has same params: %#v", *mmIncrementUsedCount.defaultExpectation.params)
-		}
-	}
-
-	return mmIncrementUsedCount
-}
-
-// ExpectCtxParam1 sets up expected param ctx for InviteRepository.IncrementUsedCount
-func (mmIncrementUsedCount *mInviteRepositoryMockIncrementUsedCount) ExpectCtxParam1(ctx context.Context) *mInviteRepositoryMockIncrementUsedCount {
-	if mmIncrementUsedCount.mock.funcIncrementUsedCount != nil {
-		mmIncrementUsedCount.mock.t.Fatalf("InviteRepositoryMock.IncrementUsedCount mock is already set by Set")
-	}
-
-	if mmIncrementUsedCount.defaultExpectation == nil {
-		mmIncrementUsedCount.defaultExpectation = &InviteRepositoryMockIncrementUsedCountExpectation{}
-	}
-
-	if mmIncrementUsedCount.defaultExpectation.params != nil {
-		mmIncrementUsedCount.mock.t.Fatalf("InviteRepositoryMock.IncrementUsedCount mock is already set by Expect")
-	}
-
-	if mmIncrementUsedCount.defaultExpectation.paramPtrs == nil {
-		mmIncrementUsedCount.defaultExpectation.paramPtrs = &InviteRepositoryMockIncrementUsedCountParamPtrs{}
-	}
-	mmIncrementUsedCount.defaultExpectation.paramPtrs.ctx = &ctx
-	mmIncrementUsedCount.defaultExpectation.expectationOrigins.originCtx = minimock.CallerInfo(1)
-
-	return mmIncrementUsedCount
-}
-
-// ExpectCodeParam2 sets up expected param code for InviteRepository.IncrementUsedCount
-func (mmIncrementUsedCount *mInviteRepositoryMockIncrementUsedCount) ExpectCodeParam2(code int64) *mInviteRepositoryMockIncrementUsedCount {
-	if mmIncrementUsedCount.mock.funcIncrementUsedCount != nil {
-		mmIncrementUsedCount.mock.t.Fatalf("InviteRepositoryMock.IncrementUsedCount mock is already set by Set")
-	}
-
-	if mmIncrementUsedCount.defaultExpectation == nil {
-		mmIncrementUsedCount.defaultExpectation = &InviteRepositoryMockIncrementUsedCountExpectation{}
-	}
-
-	if mmIncrementUsedCount.defaultExpectation.params != nil {
-		mmIncrementUsedCount.mock.t.Fatalf("InviteRepositoryMock.IncrementUsedCount mock is already set by Expect")
-	}
-
-	if mmIncrementUsedCount.defaultExpectation.paramPtrs == nil {
-		mmIncrementUsedCount.defaultExpectation.paramPtrs = &InviteRepositoryMockIncrementUsedCountParamPtrs{}
-	}
-	mmIncrementUsedCount.defaultExpectation.paramPtrs.code = &code
-	mmIncrementUsedCount.defaultExpectation.expectationOrigins.originCode = minimock.CallerInfo(1)
-
-	return mmIncrementUsedCount
-}
-
-// Inspect accepts an inspector function that has same arguments as the InviteRepository.IncrementUsedCount
-func (mmIncrementUsedCount *mInviteRepositoryMockIncrementUsedCount) Inspect(f func(ctx context.Context, code int64)) *mInviteRepositoryMockIncrementUsedCount {
-	if mmIncrementUsedCount.mock.inspectFuncIncrementUsedCount != nil {
-		mmIncrementUsedCount.mock.t.Fatalf("Inspect function is already set for InviteRepositoryMock.IncrementUsedCount")
-	}
-
-	mmIncrementUsedCount.mock.inspectFuncIncrementUsedCount = f
-
-	return mmIncrementUsedCount
-}
-
-// Return sets up results that will be returned by InviteRepository.IncrementUsedCount
-func (mmIncrementUsedCount *mInviteRepositoryMockIncrementUsedCount) Return(err error) *InviteRepositoryMock {
-	if mmIncrementUsedCount.mock.funcIncrementUsedCount != nil {
-		mmIncrementUsedCount.mock.t.Fatalf("InviteRepositoryMock.IncrementUsedCount mock is already set by Set")
-	}
-
-	if mmIncrementUsedCount.defaultExpectation == nil {
-		mmIncrementUsedCount.defaultExpectation = &InviteRepositoryMockIncrementUsedCountExpectation{mock: mmIncrementUsedCount.mock}
-	}
-	mmIncrementUsedCount.defaultExpectation.results = &InviteRepositoryMockIncrementUsedCountResults{err}
-	mmIncrementUsedCount.defaultExpectation.returnOrigin = minimock.CallerInfo(1)
-	return mmIncrementUsedCount.mock
-}
-
-// Set uses given function f to mock the InviteRepository.IncrementUsedCount method
-func (mmIncrementUsedCount *mInviteRepositoryMockIncrementUsedCount) Set(f func(ctx context.Context, code int64) (err error)) *InviteRepositoryMock {
-	if mmIncrementUsedCount.defaultExpectation != nil {
-		mmIncrementUsedCount.mock.t.Fatalf("Default expectation is already set for the InviteRepository.IncrementUsedCount method")
-	}
-
-	if len(mmIncrementUsedCount.expectations) > 0 {
-		mmIncrementUsedCount.mock.t.Fatalf("Some expectations are already set for the InviteRepository.IncrementUsedCount method")
-	}
-
-	mmIncrementUsedCount.mock.funcIncrementUsedCount = f
-	mmIncrementUsedCount.mock.funcIncrementUsedCountOrigin = minimock.CallerInfo(1)
-	return mmIncrementUsedCount.mock
-}
-
-// When sets expectation for the InviteRepository.IncrementUsedCount which will trigger the result defined by the following
-// Then helper
-func (mmIncrementUsedCount *mInviteRepositoryMockIncrementUsedCount) When(ctx context.Context, code int64) *InviteRepositoryMockIncrementUsedCountExpectation {
-	if mmIncrementUsedCount.mock.funcIncrementUsedCount != nil {
-		mmIncrementUsedCount.mock.t.Fatalf("InviteRepositoryMock.IncrementUsedCount mock is already set by Set")
-	}
-
-	expectation := &InviteRepositoryMockIncrementUsedCountExpectation{
-		mock:               mmIncrementUsedCount.mock,
-		params:             &InviteRepositoryMockIncrementUsedCountParams{ctx, code},
-		expectationOrigins: InviteRepositoryMockIncrementUsedCountExpectationOrigins{origin: minimock.CallerInfo(1)},
-	}
-	mmIncrementUsedCount.expectations = append(mmIncrementUsedCount.expectations, expectation)
-	return expectation
-}
-
-// Then sets up InviteRepository.IncrementUsedCount return parameters for the expectation previously defined by the When method
-func (e *InviteRepositoryMockIncrementUsedCountExpectation) Then(err error) *InviteRepositoryMock {
-	e.results = &InviteRepositoryMockIncrementUsedCountResults{err}
-	return e.mock
-}
-
-// Times sets number of times InviteRepository.IncrementUsedCount should be invoked
-func (mmIncrementUsedCount *mInviteRepositoryMockIncrementUsedCount) Times(n uint64) *mInviteRepositoryMockIncrementUsedCount {
-	if n == 0 {
-		mmIncrementUsedCount.mock.t.Fatalf("Times of InviteRepositoryMock.IncrementUsedCount mock can not be zero")
-	}
-	mm_atomic.StoreUint64(&mmIncrementUsedCount.expectedInvocations, n)
-	mmIncrementUsedCount.expectedInvocationsOrigin = minimock.CallerInfo(1)
-	return mmIncrementUsedCount
-}
-
-func (mmIncrementUsedCount *mInviteRepositoryMockIncrementUsedCount) invocationsDone() bool {
-	if len(mmIncrementUsedCount.expectations) == 0 && mmIncrementUsedCount.defaultExpectation == nil && mmIncrementUsedCount.mock.funcIncrementUsedCount == nil {
-		return true
-	}
-
-	totalInvocations := mm_atomic.LoadUint64(&mmIncrementUsedCount.mock.afterIncrementUsedCountCounter)
-	expectedInvocations := mm_atomic.LoadUint64(&mmIncrementUsedCount.expectedInvocations)
-
-	return totalInvocations > 0 && (expectedInvocations == 0 || expectedInvocations == totalInvocations)
-}
-
-// IncrementUsedCount implements mm_repository.InviteRepository
-func (mmIncrementUsedCount *InviteRepositoryMock) IncrementUsedCount(ctx context.Context, code int64) (err error) {
-	mm_atomic.AddUint64(&mmIncrementUsedCount.beforeIncrementUsedCountCounter, 1)
-	defer mm_atomic.AddUint64(&mmIncrementUsedCount.afterIncrementUsedCountCounter, 1)
-
-	mmIncrementUsedCount.t.Helper()
-
-	if mmIncrementUsedCount.inspectFuncIncrementUsedCount != nil {
-		mmIncrementUsedCount.inspectFuncIncrementUsedCount(ctx, code)
-	}
-
-	mm_params := InviteRepositoryMockIncrementUsedCountParams{ctx, code}
-
-	// Record call args
-	mmIncrementUsedCount.IncrementUsedCountMock.mutex.Lock()
-	mmIncrementUsedCount.IncrementUsedCountMock.callArgs = append(mmIncrementUsedCount.IncrementUsedCountMock.callArgs, &mm_params)
-	mmIncrementUsedCount.IncrementUsedCountMock.mutex.Unlock()
-
-	for _, e := range mmIncrementUsedCount.IncrementUsedCountMock.expectations {
-		if minimock.Equal(*e.params, mm_params) {
-			mm_atomic.AddUint64(&e.Counter, 1)
-			return e.results.err
-		}
-	}
-
-	if mmIncrementUsedCount.IncrementUsedCountMock.defaultExpectation != nil {
-		mm_atomic.AddUint64(&mmIncrementUsedCount.IncrementUsedCountMock.defaultExpectation.Counter, 1)
-		mm_want := mmIncrementUsedCount.IncrementUsedCountMock.defaultExpectation.params
-		mm_want_ptrs := mmIncrementUsedCount.IncrementUsedCountMock.defaultExpectation.paramPtrs
-
-		mm_got := InviteRepositoryMockIncrementUsedCountParams{ctx, code}
-
-		if mm_want_ptrs != nil {
-
-			if mm_want_ptrs.ctx != nil && !minimock.Equal(*mm_want_ptrs.ctx, mm_got.ctx) {
-				mmIncrementUsedCount.t.Errorf("InviteRepositoryMock.IncrementUsedCount got unexpected parameter ctx, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
-					mmIncrementUsedCount.IncrementUsedCountMock.defaultExpectation.expectationOrigins.originCtx, *mm_want_ptrs.ctx, mm_got.ctx, minimock.Diff(*mm_want_ptrs.ctx, mm_got.ctx))
-			}
-
-			if mm_want_ptrs.code != nil && !minimock.Equal(*mm_want_ptrs.code, mm_got.code) {
-				mmIncrementUsedCount.t.Errorf("InviteRepositoryMock.IncrementUsedCount got unexpected parameter code, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
-					mmIncrementUsedCount.IncrementUsedCountMock.defaultExpectation.expectationOrigins.originCode, *mm_want_ptrs.code, mm_got.code, minimock.Diff(*mm_want_ptrs.code, mm_got.code))
-			}
-
-		} else if mm_want != nil && !minimock.Equal(*mm_want, mm_got) {
-			mmIncrementUsedCount.t.Errorf("InviteRepositoryMock.IncrementUsedCount got unexpected parameters, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
-				mmIncrementUsedCount.IncrementUsedCountMock.defaultExpectation.expectationOrigins.origin, *mm_want, mm_got, minimock.Diff(*mm_want, mm_got))
-		}
-
-		mm_results := mmIncrementUsedCount.IncrementUsedCountMock.defaultExpectation.results
-		if mm_results == nil {
-			mmIncrementUsedCount.t.Fatal("No results are set for the InviteRepositoryMock.IncrementUsedCount")
-		}
-		return (*mm_results).err
-	}
-	if mmIncrementUsedCount.funcIncrementUsedCount != nil {
-		return mmIncrementUsedCount.funcIncrementUsedCount(ctx, code)
-	}
-	mmIncrementUsedCount.t.Fatalf("Unexpected call to InviteRepositoryMock.IncrementUsedCount. %v %v", ctx, code)
-	return
-}
-
-// IncrementUsedCountAfterCounter returns a count of finished InviteRepositoryMock.IncrementUsedCount invocations
-func (mmIncrementUsedCount *InviteRepositoryMock) IncrementUsedCountAfterCounter() uint64 {
-	return mm_atomic.LoadUint64(&mmIncrementUsedCount.afterIncrementUsedCountCounter)
-}
-
-// IncrementUsedCountBeforeCounter returns a count of InviteRepositoryMock.IncrementUsedCount invocations
-func (mmIncrementUsedCount *InviteRepositoryMock) IncrementUsedCountBeforeCounter() uint64 {
-	return mm_atomic.LoadUint64(&mmIncrementUsedCount.beforeIncrementUsedCountCounter)
-}
-
-// Calls returns a list of arguments used in each call to InviteRepositoryMock.IncrementUsedCount.
-// The list is in the same order as the calls were made (i.e. recent calls have a higher index)
-func (mmIncrementUsedCount *mInviteRepositoryMockIncrementUsedCount) Calls() []*InviteRepositoryMockIncrementUsedCountParams {
-	mmIncrementUsedCount.mutex.RLock()
-
-	argCopy := make([]*InviteRepositoryMockIncrementUsedCountParams, len(mmIncrementUsedCount.callArgs))
-	copy(argCopy, mmIncrementUsedCount.callArgs)
-
-	mmIncrementUsedCount.mutex.RUnlock()
-
-	return argCopy
-}
-
-// MinimockIncrementUsedCountDone returns true if the count of the IncrementUsedCount invocations corresponds
-// the number of defined expectations
-func (m *InviteRepositoryMock) MinimockIncrementUsedCountDone() bool {
-	if m.IncrementUsedCountMock.optional {
-		// Optional methods provide '0 or more' call count restriction.
-		return true
-	}
-
-	for _, e := range m.IncrementUsedCountMock.expectations {
-		if mm_atomic.LoadUint64(&e.Counter) < 1 {
-			return false
-		}
-	}
-
-	return m.IncrementUsedCountMock.invocationsDone()
-}
-
-// MinimockIncrementUsedCountInspect logs each unmet expectation
-func (m *InviteRepositoryMock) MinimockIncrementUsedCountInspect() {
-	for _, e := range m.IncrementUsedCountMock.expectations {
-		if mm_atomic.LoadUint64(&e.Counter) < 1 {
-			m.t.Errorf("Expected call to InviteRepositoryMock.IncrementUsedCount at\n%s with params: %#v", e.expectationOrigins.origin, *e.params)
-		}
-	}
-
-	afterIncrementUsedCountCounter := mm_atomic.LoadUint64(&m.afterIncrementUsedCountCounter)
-	// if default expectation was set then invocations count should be greater than zero
-	if m.IncrementUsedCountMock.defaultExpectation != nil && afterIncrementUsedCountCounter < 1 {
-		if m.IncrementUsedCountMock.defaultExpectation.params == nil {
-			m.t.Errorf("Expected call to InviteRepositoryMock.IncrementUsedCount at\n%s", m.IncrementUsedCountMock.defaultExpectation.returnOrigin)
-		} else {
-			m.t.Errorf("Expected call to InviteRepositoryMock.IncrementUsedCount at\n%s with params: %#v", m.IncrementUsedCountMock.defaultExpectation.expectationOrigins.origin, *m.IncrementUsedCountMock.defaultExpectation.params)
-		}
-	}
-	// if func was set then invocations count should be greater than zero
-	if m.funcIncrementUsedCount != nil && afterIncrementUsedCountCounter < 1 {
-		m.t.Errorf("Expected call to InviteRepositoryMock.IncrementUsedCount at\n%s", m.funcIncrementUsedCountOrigin)
-	}
-
-	if !m.IncrementUsedCountMock.invocationsDone() && afterIncrementUsedCountCounter > 0 {
-		m.t.Errorf("Expected %d calls to InviteRepositoryMock.IncrementUsedCount at\n%s but found %d calls",
-			mm_atomic.LoadUint64(&m.IncrementUsedCountMock.expectedInvocations), m.IncrementUsedCountMock.expectedInvocationsOrigin, afterIncrementUsedCountCounter)
-	}
-}
-
 // MinimockFinish checks that all mocked methods have been called the expected number of times
 func (m *InviteRepositoryMock) MinimockFinish() {
 	m.finishOnce.Do(func() {
@@ -2899,11 +2900,11 @@ func (m *InviteRepositoryMock) MinimockFinish() {
 
 			m.MinimockFindActiveByCodeInspect()
 
+			m.MinimockFindActiveByUserIDInspect()
+
 			m.MinimockFindByCodeInspect()
 
 			m.MinimockGetUserInvitesInspect()
-
-			m.MinimockIncrementUsedCountInspect()
 		}
 	})
 }
@@ -2932,7 +2933,7 @@ func (m *InviteRepositoryMock) minimockDone() bool {
 		m.MinimockDeactivateExpiredDone() &&
 		m.MinimockDecrementCanBeUsedCountTxDone() &&
 		m.MinimockFindActiveByCodeDone() &&
+		m.MinimockFindActiveByUserIDDone() &&
 		m.MinimockFindByCodeDone() &&
-		m.MinimockGetUserInvitesDone() &&
-		m.MinimockIncrementUsedCountDone()
+		m.MinimockGetUserInvitesDone()
 }

internal/mocks/invite_service_mock.go

@@ -26,9 +26,9 @@ type InviteServiceMock struct {
 	beforeGenerateCounter uint64
 	GenerateMock          mInviteServiceMockGenerate
 
-	funcGetInfo          func(ctx context.Context, code int64) (ip1 *model.InviteCode, err error)
+	funcGetInfo          func(ctx context.Context, userID int) (ip1 *model.InviteCode, err error)
 	funcGetInfoOrigin    string
-	inspectFuncGetInfo   func(ctx context.Context, code int64)
+	inspectFuncGetInfo   func(ctx context.Context, userID int)
 	afterGetInfoCounter  uint64
 	beforeGetInfoCounter uint64
 	GetInfoMock          mInviteServiceMockGetInfo
@@ -484,14 +484,14 @@ type InviteServiceMockGetInfoExpectation struct {
 
 // InviteServiceMockGetInfoParams contains parameters of the InviteService.GetInfo
 type InviteServiceMockGetInfoParams struct {
-	ctx  context.Context
-	code int64
+	ctx    context.Context
+	userID int
 }
 
 // InviteServiceMockGetInfoParamPtrs contains pointers to parameters of the InviteService.GetInfo
 type InviteServiceMockGetInfoParamPtrs struct {
-	ctx  *context.Context
-	code *int64
+	ctx    *context.Context
+	userID *int
 }
 
 // InviteServiceMockGetInfoResults contains results of the InviteService.GetInfo
@@ -502,9 +502,9 @@ type InviteServiceMockGetInfoResults struct {
 
 // InviteServiceMockGetInfoOrigins contains origins of expectations of the InviteService.GetInfo
 type InviteServiceMockGetInfoExpectationOrigins struct {
-	origin     string
-	originCtx  string
-	originCode string
+	origin       string
+	originCtx    string
+	originUserID string
 }
 
 // Marks this method to be optional. The default behavior of any method with Return() is '1 or more', meaning
@@ -518,7 +518,7 @@ func (mmGetInfo *mInviteServiceMockGetInfo) Optional() *mInviteServiceMockGetInf
 }
 
 // Expect sets up expected params for InviteService.GetInfo
-func (mmGetInfo *mInviteServiceMockGetInfo) Expect(ctx context.Context, code int64) *mInviteServiceMockGetInfo {
+func (mmGetInfo *mInviteServiceMockGetInfo) Expect(ctx context.Context, userID int) *mInviteServiceMockGetInfo {
 	if mmGetInfo.mock.funcGetInfo != nil {
 		mmGetInfo.mock.t.Fatalf("InviteServiceMock.GetInfo mock is already set by Set")
 	}
@@ -531,7 +531,7 @@ func (mmGetInfo *mInviteServiceMockGetInfo) Expect(ctx context.Context, code int
 		mmGetInfo.mock.t.Fatalf("InviteServiceMock.GetInfo mock is already set by ExpectParams functions")
 	}
 
-	mmGetInfo.defaultExpectation.params = &InviteServiceMockGetInfoParams{ctx, code}
+	mmGetInfo.defaultExpectation.params = &InviteServiceMockGetInfoParams{ctx, userID}
 	mmGetInfo.defaultExpectation.expectationOrigins.origin = minimock.CallerInfo(1)
 	for _, e := range mmGetInfo.expectations {
 		if minimock.Equal(e.params, mmGetInfo.defaultExpectation.params) {
@@ -565,8 +565,8 @@ func (mmGetInfo *mInviteServiceMockGetInfo) ExpectCtxParam1(ctx context.Context)
 	return mmGetInfo
 }
 
-// ExpectCodeParam2 sets up expected param code for InviteService.GetInfo
-func (mmGetInfo *mInviteServiceMockGetInfo) ExpectCodeParam2(code int64) *mInviteServiceMockGetInfo {
+// ExpectUserIDParam2 sets up expected param userID for InviteService.GetInfo
+func (mmGetInfo *mInviteServiceMockGetInfo) ExpectUserIDParam2(userID int) *mInviteServiceMockGetInfo {
 	if mmGetInfo.mock.funcGetInfo != nil {
 		mmGetInfo.mock.t.Fatalf("InviteServiceMock.GetInfo mock is already set by Set")
 	}
@@ -582,14 +582,14 @@ func (mmGetInfo *mInviteServiceMockGetInfo) ExpectCodeParam2(code int64) *mInvit
 	if mmGetInfo.defaultExpectation.paramPtrs == nil {
 		mmGetInfo.defaultExpectation.paramPtrs = &InviteServiceMockGetInfoParamPtrs{}
 	}
-	mmGetInfo.defaultExpectation.paramPtrs.code = &code
-	mmGetInfo.defaultExpectation.expectationOrigins.originCode = minimock.CallerInfo(1)
+	mmGetInfo.defaultExpectation.paramPtrs.userID = &userID
+	mmGetInfo.defaultExpectation.expectationOrigins.originUserID = minimock.CallerInfo(1)
 
 	return mmGetInfo
 }
 
 // Inspect accepts an inspector function that has same arguments as the InviteService.GetInfo
-func (mmGetInfo *mInviteServiceMockGetInfo) Inspect(f func(ctx context.Context, code int64)) *mInviteServiceMockGetInfo {
+func (mmGetInfo *mInviteServiceMockGetInfo) Inspect(f func(ctx context.Context, userID int)) *mInviteServiceMockGetInfo {
 	if mmGetInfo.mock.inspectFuncGetInfo != nil {
 		mmGetInfo.mock.t.Fatalf("Inspect function is already set for InviteServiceMock.GetInfo")
 	}
@@ -614,7 +614,7 @@ func (mmGetInfo *mInviteServiceMockGetInfo) Return(ip1 *model.InviteCode, err er
 }
 
 // Set uses given function f to mock the InviteService.GetInfo method
-func (mmGetInfo *mInviteServiceMockGetInfo) Set(f func(ctx context.Context, code int64) (ip1 *model.InviteCode, err error)) *InviteServiceMock {
+func (mmGetInfo *mInviteServiceMockGetInfo) Set(f func(ctx context.Context, userID int) (ip1 *model.InviteCode, err error)) *InviteServiceMock {
 	if mmGetInfo.defaultExpectation != nil {
 		mmGetInfo.mock.t.Fatalf("Default expectation is already set for the InviteService.GetInfo method")
 	}
@@ -630,14 +630,14 @@ func (mmGetInfo *mInviteServiceMockGetInfo) Set(f func(ctx context.Context, code
 
 // When sets expectation for the InviteService.GetInfo which will trigger the result defined by the following
 // Then helper
-func (mmGetInfo *mInviteServiceMockGetInfo) When(ctx context.Context, code int64) *InviteServiceMockGetInfoExpectation {
+func (mmGetInfo *mInviteServiceMockGetInfo) When(ctx context.Context, userID int) *InviteServiceMockGetInfoExpectation {
 	if mmGetInfo.mock.funcGetInfo != nil {
 		mmGetInfo.mock.t.Fatalf("InviteServiceMock.GetInfo mock is already set by Set")
 	}
 
 	expectation := &InviteServiceMockGetInfoExpectation{
 		mock:               mmGetInfo.mock,
-		params:             &InviteServiceMockGetInfoParams{ctx, code},
+		params:             &InviteServiceMockGetInfoParams{ctx, userID},
 		expectationOrigins: InviteServiceMockGetInfoExpectationOrigins{origin: minimock.CallerInfo(1)},
 	}
 	mmGetInfo.expectations = append(mmGetInfo.expectations, expectation)
@@ -672,17 +672,17 @@ func (mmGetInfo *mInviteServiceMockGetInfo) invocationsDone() bool {
 }
 
 // GetInfo implements mm_service.InviteService
-func (mmGetInfo *InviteServiceMock) GetInfo(ctx context.Context, code int64) (ip1 *model.InviteCode, err error) {
+func (mmGetInfo *InviteServiceMock) GetInfo(ctx context.Context, userID int) (ip1 *model.InviteCode, err error) {
 	mm_atomic.AddUint64(&mmGetInfo.beforeGetInfoCounter, 1)
 	defer mm_atomic.AddUint64(&mmGetInfo.afterGetInfoCounter, 1)
 
 	mmGetInfo.t.Helper()
 
 	if mmGetInfo.inspectFuncGetInfo != nil {
-		mmGetInfo.inspectFuncGetInfo(ctx, code)
+		mmGetInfo.inspectFuncGetInfo(ctx, userID)
 	}
 
-	mm_params := InviteServiceMockGetInfoParams{ctx, code}
+	mm_params := InviteServiceMockGetInfoParams{ctx, userID}
 
 	// Record call args
 	mmGetInfo.GetInfoMock.mutex.Lock()
@@ -701,7 +701,7 @@ func (mmGetInfo *InviteServiceMock) GetInfo(ctx context.Context, code int64) (ip
 		mm_want := mmGetInfo.GetInfoMock.defaultExpectation.params
 		mm_want_ptrs := mmGetInfo.GetInfoMock.defaultExpectation.paramPtrs
 
-		mm_got := InviteServiceMockGetInfoParams{ctx, code}
+		mm_got := InviteServiceMockGetInfoParams{ctx, userID}
 
 		if mm_want_ptrs != nil {
 
@@ -710,9 +710,9 @@ func (mmGetInfo *InviteServiceMock) GetInfo(ctx context.Context, code int64) (ip
 					mmGetInfo.GetInfoMock.defaultExpectation.expectationOrigins.originCtx, *mm_want_ptrs.ctx, mm_got.ctx, minimock.Diff(*mm_want_ptrs.ctx, mm_got.ctx))
 			}
 
-			if mm_want_ptrs.code != nil && !minimock.Equal(*mm_want_ptrs.code, mm_got.code) {
-				mmGetInfo.t.Errorf("InviteServiceMock.GetInfo got unexpected parameter code, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
-					mmGetInfo.GetInfoMock.defaultExpectation.expectationOrigins.originCode, *mm_want_ptrs.code, mm_got.code, minimock.Diff(*mm_want_ptrs.code, mm_got.code))
+			if mm_want_ptrs.userID != nil && !minimock.Equal(*mm_want_ptrs.userID, mm_got.userID) {
+				mmGetInfo.t.Errorf("InviteServiceMock.GetInfo got unexpected parameter userID, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmGetInfo.GetInfoMock.defaultExpectation.expectationOrigins.originUserID, *mm_want_ptrs.userID, mm_got.userID, minimock.Diff(*mm_want_ptrs.userID, mm_got.userID))
 			}
 
 		} else if mm_want != nil && !minimock.Equal(*mm_want, mm_got) {
@@ -727,9 +727,9 @@ func (mmGetInfo *InviteServiceMock) GetInfo(ctx context.Context, code int64) (ip
 		return (*mm_results).ip1, (*mm_results).err
 	}
 	if mmGetInfo.funcGetInfo != nil {
-		return mmGetInfo.funcGetInfo(ctx, code)
+		return mmGetInfo.funcGetInfo(ctx, userID)
 	}
-	mmGetInfo.t.Fatalf("Unexpected call to InviteServiceMock.GetInfo. %v %v", ctx, code)
+	mmGetInfo.t.Fatalf("Unexpected call to InviteServiceMock.GetInfo. %v %v", ctx, userID)
 	return
 }
 

internal/mocks/request_repository_mock.go

@@ -21,6 +21,13 @@ type RequestRepositoryMock struct {
 	t          minimock.Tester
 	finishOnce sync.Once
 
+	funcCheckOwnership          func(ctx context.Context, requestID uuid.UUID, userID int) (b1 bool, err error)
+	funcCheckOwnershipOrigin    string
+	inspectFuncCheckOwnership   func(ctx context.Context, requestID uuid.UUID, userID int)
+	afterCheckOwnershipCounter  uint64
+	beforeCheckOwnershipCounter uint64
+	CheckOwnershipMock          mRequestRepositoryMockCheckOwnership
+
 	funcCreate          func(ctx context.Context, req *model.Request) (err error)
 	funcCreateOrigin    string
 	inspectFuncCreate   func(ctx context.Context, req *model.Request)
@@ -86,6 +93,9 @@ func NewRequestRepositoryMock(t minimock.Tester) *RequestRepositoryMock {
 		controller.RegisterMocker(m)
 	}
 
+	m.CheckOwnershipMock = mRequestRepositoryMockCheckOwnership{mock: m}
+	m.CheckOwnershipMock.callArgs = []*RequestRepositoryMockCheckOwnershipParams{}
+
 	m.CreateMock = mRequestRepositoryMockCreate{mock: m}
 	m.CreateMock.callArgs = []*RequestRepositoryMockCreateParams{}
 
@@ -115,6 +125,380 @@ func NewRequestRepositoryMock(t minimock.Tester) *RequestRepositoryMock {
 	return m
 }
 
+type mRequestRepositoryMockCheckOwnership struct {
+	optional           bool
+	mock               *RequestRepositoryMock
+	defaultExpectation *RequestRepositoryMockCheckOwnershipExpectation
+	expectations       []*RequestRepositoryMockCheckOwnershipExpectation
+
+	callArgs []*RequestRepositoryMockCheckOwnershipParams
+	mutex    sync.RWMutex
+
+	expectedInvocations       uint64
+	expectedInvocationsOrigin string
+}
+
+// RequestRepositoryMockCheckOwnershipExpectation specifies expectation struct of the RequestRepository.CheckOwnership
+type RequestRepositoryMockCheckOwnershipExpectation struct {
+	mock               *RequestRepositoryMock
+	params             *RequestRepositoryMockCheckOwnershipParams
+	paramPtrs          *RequestRepositoryMockCheckOwnershipParamPtrs
+	expectationOrigins RequestRepositoryMockCheckOwnershipExpectationOrigins
+	results            *RequestRepositoryMockCheckOwnershipResults
+	returnOrigin       string
+	Counter            uint64
+}
+
+// RequestRepositoryMockCheckOwnershipParams contains parameters of the RequestRepository.CheckOwnership
+type RequestRepositoryMockCheckOwnershipParams struct {
+	ctx       context.Context
+	requestID uuid.UUID
+	userID    int
+}
+
+// RequestRepositoryMockCheckOwnershipParamPtrs contains pointers to parameters of the RequestRepository.CheckOwnership
+type RequestRepositoryMockCheckOwnershipParamPtrs struct {
+	ctx       *context.Context
+	requestID *uuid.UUID
+	userID    *int
+}
+
+// RequestRepositoryMockCheckOwnershipResults contains results of the RequestRepository.CheckOwnership
+type RequestRepositoryMockCheckOwnershipResults struct {
+	b1  bool
+	err error
+}
+
+// RequestRepositoryMockCheckOwnershipOrigins contains origins of expectations of the RequestRepository.CheckOwnership
+type RequestRepositoryMockCheckOwnershipExpectationOrigins struct {
+	origin          string
+	originCtx       string
+	originRequestID string
+	originUserID    string
+}
+
+// Marks this method to be optional. The default behavior of any method with Return() is '1 or more', meaning
+// the test will fail minimock's automatic final call check if the mocked method was not called at least once.
+// Optional() makes method check to work in '0 or more' mode.
+// It is NOT RECOMMENDED to use this option unless you really need it, as default behaviour helps to
+// catch the problems when the expected method call is totally skipped during test run.
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) Optional() *mRequestRepositoryMockCheckOwnership {
+	mmCheckOwnership.optional = true
+	return mmCheckOwnership
+}
+
+// Expect sets up expected params for RequestRepository.CheckOwnership
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) Expect(ctx context.Context, requestID uuid.UUID, userID int) *mRequestRepositoryMockCheckOwnership {
+	if mmCheckOwnership.mock.funcCheckOwnership != nil {
+		mmCheckOwnership.mock.t.Fatalf("RequestRepositoryMock.CheckOwnership mock is already set by Set")
+	}
+
+	if mmCheckOwnership.defaultExpectation == nil {
+		mmCheckOwnership.defaultExpectation = &RequestRepositoryMockCheckOwnershipExpectation{}
+	}
+
+	if mmCheckOwnership.defaultExpectation.paramPtrs != nil {
+		mmCheckOwnership.mock.t.Fatalf("RequestRepositoryMock.CheckOwnership mock is already set by ExpectParams functions")
+	}
+
+	mmCheckOwnership.defaultExpectation.params = &RequestRepositoryMockCheckOwnershipParams{ctx, requestID, userID}
+	mmCheckOwnership.defaultExpectation.expectationOrigins.origin = minimock.CallerInfo(1)
+	for _, e := range mmCheckOwnership.expectations {
+		if minimock.Equal(e.params, mmCheckOwnership.defaultExpectation.params) {
+			mmCheckOwnership.mock.t.Fatalf("Expectation set by When has same params: %#v", *mmCheckOwnership.defaultExpectation.params)
+		}
+	}
+
+	return mmCheckOwnership
+}
+
+// ExpectCtxParam1 sets up expected param ctx for RequestRepository.CheckOwnership
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) ExpectCtxParam1(ctx context.Context) *mRequestRepositoryMockCheckOwnership {
+	if mmCheckOwnership.mock.funcCheckOwnership != nil {
+		mmCheckOwnership.mock.t.Fatalf("RequestRepositoryMock.CheckOwnership mock is already set by Set")
+	}
+
+	if mmCheckOwnership.defaultExpectation == nil {
+		mmCheckOwnership.defaultExpectation = &RequestRepositoryMockCheckOwnershipExpectation{}
+	}
+
+	if mmCheckOwnership.defaultExpectation.params != nil {
+		mmCheckOwnership.mock.t.Fatalf("RequestRepositoryMock.CheckOwnership mock is already set by Expect")
+	}
+
+	if mmCheckOwnership.defaultExpectation.paramPtrs == nil {
+		mmCheckOwnership.defaultExpectation.paramPtrs = &RequestRepositoryMockCheckOwnershipParamPtrs{}
+	}
+	mmCheckOwnership.defaultExpectation.paramPtrs.ctx = &ctx
+	mmCheckOwnership.defaultExpectation.expectationOrigins.originCtx = minimock.CallerInfo(1)
+
+	return mmCheckOwnership
+}
+
+// ExpectRequestIDParam2 sets up expected param requestID for RequestRepository.CheckOwnership
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) ExpectRequestIDParam2(requestID uuid.UUID) *mRequestRepositoryMockCheckOwnership {
+	if mmCheckOwnership.mock.funcCheckOwnership != nil {
+		mmCheckOwnership.mock.t.Fatalf("RequestRepositoryMock.CheckOwnership mock is already set by Set")
+	}
+
+	if mmCheckOwnership.defaultExpectation == nil {
+		mmCheckOwnership.defaultExpectation = &RequestRepositoryMockCheckOwnershipExpectation{}
+	}
+
+	if mmCheckOwnership.defaultExpectation.params != nil {
+		mmCheckOwnership.mock.t.Fatalf("RequestRepositoryMock.CheckOwnership mock is already set by Expect")
+	}
+
+	if mmCheckOwnership.defaultExpectation.paramPtrs == nil {
+		mmCheckOwnership.defaultExpectation.paramPtrs = &RequestRepositoryMockCheckOwnershipParamPtrs{}
+	}
+	mmCheckOwnership.defaultExpectation.paramPtrs.requestID = &requestID
+	mmCheckOwnership.defaultExpectation.expectationOrigins.originRequestID = minimock.CallerInfo(1)
+
+	return mmCheckOwnership
+}
+
+// ExpectUserIDParam3 sets up expected param userID for RequestRepository.CheckOwnership
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) ExpectUserIDParam3(userID int) *mRequestRepositoryMockCheckOwnership {
+	if mmCheckOwnership.mock.funcCheckOwnership != nil {
+		mmCheckOwnership.mock.t.Fatalf("RequestRepositoryMock.CheckOwnership mock is already set by Set")
+	}
+
+	if mmCheckOwnership.defaultExpectation == nil {
+		mmCheckOwnership.defaultExpectation = &RequestRepositoryMockCheckOwnershipExpectation{}
+	}
+
+	if mmCheckOwnership.defaultExpectation.params != nil {
+		mmCheckOwnership.mock.t.Fatalf("RequestRepositoryMock.CheckOwnership mock is already set by Expect")
+	}
+
+	if mmCheckOwnership.defaultExpectation.paramPtrs == nil {
+		mmCheckOwnership.defaultExpectation.paramPtrs = &RequestRepositoryMockCheckOwnershipParamPtrs{}
+	}
+	mmCheckOwnership.defaultExpectation.paramPtrs.userID = &userID
+	mmCheckOwnership.defaultExpectation.expectationOrigins.originUserID = minimock.CallerInfo(1)
+
+	return mmCheckOwnership
+}
+
+// Inspect accepts an inspector function that has same arguments as the RequestRepository.CheckOwnership
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) Inspect(f func(ctx context.Context, requestID uuid.UUID, userID int)) *mRequestRepositoryMockCheckOwnership {
+	if mmCheckOwnership.mock.inspectFuncCheckOwnership != nil {
+		mmCheckOwnership.mock.t.Fatalf("Inspect function is already set for RequestRepositoryMock.CheckOwnership")
+	}
+
+	mmCheckOwnership.mock.inspectFuncCheckOwnership = f
+
+	return mmCheckOwnership
+}
+
+// Return sets up results that will be returned by RequestRepository.CheckOwnership
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) Return(b1 bool, err error) *RequestRepositoryMock {
+	if mmCheckOwnership.mock.funcCheckOwnership != nil {
+		mmCheckOwnership.mock.t.Fatalf("RequestRepositoryMock.CheckOwnership mock is already set by Set")
+	}
+
+	if mmCheckOwnership.defaultExpectation == nil {
+		mmCheckOwnership.defaultExpectation = &RequestRepositoryMockCheckOwnershipExpectation{mock: mmCheckOwnership.mock}
+	}
+	mmCheckOwnership.defaultExpectation.results = &RequestRepositoryMockCheckOwnershipResults{b1, err}
+	mmCheckOwnership.defaultExpectation.returnOrigin = minimock.CallerInfo(1)
+	return mmCheckOwnership.mock
+}
+
+// Set uses given function f to mock the RequestRepository.CheckOwnership method
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) Set(f func(ctx context.Context, requestID uuid.UUID, userID int) (b1 bool, err error)) *RequestRepositoryMock {
+	if mmCheckOwnership.defaultExpectation != nil {
+		mmCheckOwnership.mock.t.Fatalf("Default expectation is already set for the RequestRepository.CheckOwnership method")
+	}
+
+	if len(mmCheckOwnership.expectations) > 0 {
+		mmCheckOwnership.mock.t.Fatalf("Some expectations are already set for the RequestRepository.CheckOwnership method")
+	}
+
+	mmCheckOwnership.mock.funcCheckOwnership = f
+	mmCheckOwnership.mock.funcCheckOwnershipOrigin = minimock.CallerInfo(1)
+	return mmCheckOwnership.mock
+}
+
+// When sets expectation for the RequestRepository.CheckOwnership which will trigger the result defined by the following
+// Then helper
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) When(ctx context.Context, requestID uuid.UUID, userID int) *RequestRepositoryMockCheckOwnershipExpectation {
+	if mmCheckOwnership.mock.funcCheckOwnership != nil {
+		mmCheckOwnership.mock.t.Fatalf("RequestRepositoryMock.CheckOwnership mock is already set by Set")
+	}
+
+	expectation := &RequestRepositoryMockCheckOwnershipExpectation{
+		mock:               mmCheckOwnership.mock,
+		params:             &RequestRepositoryMockCheckOwnershipParams{ctx, requestID, userID},
+		expectationOrigins: RequestRepositoryMockCheckOwnershipExpectationOrigins{origin: minimock.CallerInfo(1)},
+	}
+	mmCheckOwnership.expectations = append(mmCheckOwnership.expectations, expectation)
+	return expectation
+}
+
+// Then sets up RequestRepository.CheckOwnership return parameters for the expectation previously defined by the When method
+func (e *RequestRepositoryMockCheckOwnershipExpectation) Then(b1 bool, err error) *RequestRepositoryMock {
+	e.results = &RequestRepositoryMockCheckOwnershipResults{b1, err}
+	return e.mock
+}
+
+// Times sets number of times RequestRepository.CheckOwnership should be invoked
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) Times(n uint64) *mRequestRepositoryMockCheckOwnership {
+	if n == 0 {
+		mmCheckOwnership.mock.t.Fatalf("Times of RequestRepositoryMock.CheckOwnership mock can not be zero")
+	}
+	mm_atomic.StoreUint64(&mmCheckOwnership.expectedInvocations, n)
+	mmCheckOwnership.expectedInvocationsOrigin = minimock.CallerInfo(1)
+	return mmCheckOwnership
+}
+
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) invocationsDone() bool {
+	if len(mmCheckOwnership.expectations) == 0 && mmCheckOwnership.defaultExpectation == nil && mmCheckOwnership.mock.funcCheckOwnership == nil {
+		return true
+	}
+
+	totalInvocations := mm_atomic.LoadUint64(&mmCheckOwnership.mock.afterCheckOwnershipCounter)
+	expectedInvocations := mm_atomic.LoadUint64(&mmCheckOwnership.expectedInvocations)
+
+	return totalInvocations > 0 && (expectedInvocations == 0 || expectedInvocations == totalInvocations)
+}
+
+// CheckOwnership implements mm_repository.RequestRepository
+func (mmCheckOwnership *RequestRepositoryMock) CheckOwnership(ctx context.Context, requestID uuid.UUID, userID int) (b1 bool, err error) {
+	mm_atomic.AddUint64(&mmCheckOwnership.beforeCheckOwnershipCounter, 1)
+	defer mm_atomic.AddUint64(&mmCheckOwnership.afterCheckOwnershipCounter, 1)
+
+	mmCheckOwnership.t.Helper()
+
+	if mmCheckOwnership.inspectFuncCheckOwnership != nil {
+		mmCheckOwnership.inspectFuncCheckOwnership(ctx, requestID, userID)
+	}
+
+	mm_params := RequestRepositoryMockCheckOwnershipParams{ctx, requestID, userID}
+
+	// Record call args
+	mmCheckOwnership.CheckOwnershipMock.mutex.Lock()
+	mmCheckOwnership.CheckOwnershipMock.callArgs = append(mmCheckOwnership.CheckOwnershipMock.callArgs, &mm_params)
+	mmCheckOwnership.CheckOwnershipMock.mutex.Unlock()
+
+	for _, e := range mmCheckOwnership.CheckOwnershipMock.expectations {
+		if minimock.Equal(*e.params, mm_params) {
+			mm_atomic.AddUint64(&e.Counter, 1)
+			return e.results.b1, e.results.err
+		}
+	}
+
+	if mmCheckOwnership.CheckOwnershipMock.defaultExpectation != nil {
+		mm_atomic.AddUint64(&mmCheckOwnership.CheckOwnershipMock.defaultExpectation.Counter, 1)
+		mm_want := mmCheckOwnership.CheckOwnershipMock.defaultExpectation.params
+		mm_want_ptrs := mmCheckOwnership.CheckOwnershipMock.defaultExpectation.paramPtrs
+
+		mm_got := RequestRepositoryMockCheckOwnershipParams{ctx, requestID, userID}
+
+		if mm_want_ptrs != nil {
+
+			if mm_want_ptrs.ctx != nil && !minimock.Equal(*mm_want_ptrs.ctx, mm_got.ctx) {
+				mmCheckOwnership.t.Errorf("RequestRepositoryMock.CheckOwnership got unexpected parameter ctx, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmCheckOwnership.CheckOwnershipMock.defaultExpectation.expectationOrigins.originCtx, *mm_want_ptrs.ctx, mm_got.ctx, minimock.Diff(*mm_want_ptrs.ctx, mm_got.ctx))
+			}
+
+			if mm_want_ptrs.requestID != nil && !minimock.Equal(*mm_want_ptrs.requestID, mm_got.requestID) {
+				mmCheckOwnership.t.Errorf("RequestRepositoryMock.CheckOwnership got unexpected parameter requestID, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmCheckOwnership.CheckOwnershipMock.defaultExpectation.expectationOrigins.originRequestID, *mm_want_ptrs.requestID, mm_got.requestID, minimock.Diff(*mm_want_ptrs.requestID, mm_got.requestID))
+			}
+
+			if mm_want_ptrs.userID != nil && !minimock.Equal(*mm_want_ptrs.userID, mm_got.userID) {
+				mmCheckOwnership.t.Errorf("RequestRepositoryMock.CheckOwnership got unexpected parameter userID, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmCheckOwnership.CheckOwnershipMock.defaultExpectation.expectationOrigins.originUserID, *mm_want_ptrs.userID, mm_got.userID, minimock.Diff(*mm_want_ptrs.userID, mm_got.userID))
+			}
+
+		} else if mm_want != nil && !minimock.Equal(*mm_want, mm_got) {
+			mmCheckOwnership.t.Errorf("RequestRepositoryMock.CheckOwnership got unexpected parameters, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+				mmCheckOwnership.CheckOwnershipMock.defaultExpectation.expectationOrigins.origin, *mm_want, mm_got, minimock.Diff(*mm_want, mm_got))
+		}
+
+		mm_results := mmCheckOwnership.CheckOwnershipMock.defaultExpectation.results
+		if mm_results == nil {
+			mmCheckOwnership.t.Fatal("No results are set for the RequestRepositoryMock.CheckOwnership")
+		}
+		return (*mm_results).b1, (*mm_results).err
+	}
+	if mmCheckOwnership.funcCheckOwnership != nil {
+		return mmCheckOwnership.funcCheckOwnership(ctx, requestID, userID)
+	}
+	mmCheckOwnership.t.Fatalf("Unexpected call to RequestRepositoryMock.CheckOwnership. %v %v %v", ctx, requestID, userID)
+	return
+}
+
+// CheckOwnershipAfterCounter returns a count of finished RequestRepositoryMock.CheckOwnership invocations
+func (mmCheckOwnership *RequestRepositoryMock) CheckOwnershipAfterCounter() uint64 {
+	return mm_atomic.LoadUint64(&mmCheckOwnership.afterCheckOwnershipCounter)
+}
+
+// CheckOwnershipBeforeCounter returns a count of RequestRepositoryMock.CheckOwnership invocations
+func (mmCheckOwnership *RequestRepositoryMock) CheckOwnershipBeforeCounter() uint64 {
+	return mm_atomic.LoadUint64(&mmCheckOwnership.beforeCheckOwnershipCounter)
+}
+
+// Calls returns a list of arguments used in each call to RequestRepositoryMock.CheckOwnership.
+// The list is in the same order as the calls were made (i.e. recent calls have a higher index)
+func (mmCheckOwnership *mRequestRepositoryMockCheckOwnership) Calls() []*RequestRepositoryMockCheckOwnershipParams {
+	mmCheckOwnership.mutex.RLock()
+
+	argCopy := make([]*RequestRepositoryMockCheckOwnershipParams, len(mmCheckOwnership.callArgs))
+	copy(argCopy, mmCheckOwnership.callArgs)
+
+	mmCheckOwnership.mutex.RUnlock()
+
+	return argCopy
+}
+
+// MinimockCheckOwnershipDone returns true if the count of the CheckOwnership invocations corresponds
+// the number of defined expectations
+func (m *RequestRepositoryMock) MinimockCheckOwnershipDone() bool {
+	if m.CheckOwnershipMock.optional {
+		// Optional methods provide '0 or more' call count restriction.
+		return true
+	}
+
+	for _, e := range m.CheckOwnershipMock.expectations {
+		if mm_atomic.LoadUint64(&e.Counter) < 1 {
+			return false
+		}
+	}
+
+	return m.CheckOwnershipMock.invocationsDone()
+}
+
+// MinimockCheckOwnershipInspect logs each unmet expectation
+func (m *RequestRepositoryMock) MinimockCheckOwnershipInspect() {
+	for _, e := range m.CheckOwnershipMock.expectations {
+		if mm_atomic.LoadUint64(&e.Counter) < 1 {
+			m.t.Errorf("Expected call to RequestRepositoryMock.CheckOwnership at\n%s with params: %#v", e.expectationOrigins.origin, *e.params)
+		}
+	}
+
+	afterCheckOwnershipCounter := mm_atomic.LoadUint64(&m.afterCheckOwnershipCounter)
+	// if default expectation was set then invocations count should be greater than zero
+	if m.CheckOwnershipMock.defaultExpectation != nil && afterCheckOwnershipCounter < 1 {
+		if m.CheckOwnershipMock.defaultExpectation.params == nil {
+			m.t.Errorf("Expected call to RequestRepositoryMock.CheckOwnership at\n%s", m.CheckOwnershipMock.defaultExpectation.returnOrigin)
+		} else {
+			m.t.Errorf("Expected call to RequestRepositoryMock.CheckOwnership at\n%s with params: %#v", m.CheckOwnershipMock.defaultExpectation.expectationOrigins.origin, *m.CheckOwnershipMock.defaultExpectation.params)
+		}
+	}
+	// if func was set then invocations count should be greater than zero
+	if m.funcCheckOwnership != nil && afterCheckOwnershipCounter < 1 {
+		m.t.Errorf("Expected call to RequestRepositoryMock.CheckOwnership at\n%s", m.funcCheckOwnershipOrigin)
+	}
+
+	if !m.CheckOwnershipMock.invocationsDone() && afterCheckOwnershipCounter > 0 {
+		m.t.Errorf("Expected %d calls to RequestRepositoryMock.CheckOwnership at\n%s but found %d calls",
+			mm_atomic.LoadUint64(&m.CheckOwnershipMock.expectedInvocations), m.CheckOwnershipMock.expectedInvocationsOrigin, afterCheckOwnershipCounter)
+	}
+}
+
 type mRequestRepositoryMockCreate struct {
 	optional           bool
 	mock               *RequestRepositoryMock
@@ -3047,6 +3431,8 @@ func (m *RequestRepositoryMock) MinimockUpdateWithTZTxInspect() {
 func (m *RequestRepositoryMock) MinimockFinish() {
 	m.finishOnce.Do(func() {
 		if !m.minimockDone() {
+			m.MinimockCheckOwnershipInspect()
+
 			m.MinimockCreateInspect()
 
 			m.MinimockGetByIDInspect()
@@ -3085,6 +3471,7 @@ func (m *RequestRepositoryMock) MinimockWait(timeout mm_time.Duration) {
 func (m *RequestRepositoryMock) minimockDone() bool {
 	done := true
 	return done &&
+		m.MinimockCheckOwnershipDone() &&
 		m.MinimockCreateDone() &&
 		m.MinimockGetByIDDone() &&
 		m.MinimockGetByUserIDDone() &&

internal/mocks/request_service_mock.go

@@ -27,9 +27,9 @@ type RequestServiceMock struct {
 	beforeApproveTZCounter uint64
 	ApproveTZMock          mRequestServiceMockApproveTZ
 
-	funcCreateTZ          func(ctx context.Context, userID int, requestTxt string) (u1 uuid.UUID, s1 string, err error)
+	funcCreateTZ          func(ctx context.Context, userID int, requestTxt string, fileData []byte, fileName string) (u1 uuid.UUID, s1 string, err error)
 	funcCreateTZOrigin    string
-	inspectFuncCreateTZ   func(ctx context.Context, userID int, requestTxt string)
+	inspectFuncCreateTZ   func(ctx context.Context, userID int, requestTxt string, fileData []byte, fileName string)
 	afterCreateTZCounter  uint64
 	beforeCreateTZCounter uint64
 	CreateTZMock          mRequestServiceMockCreateTZ
@@ -41,9 +41,9 @@ type RequestServiceMock struct {
 	beforeGetMailingListCounter uint64
 	GetMailingListMock          mRequestServiceMockGetMailingList
 
-	funcGetMailingListByID          func(ctx context.Context, requestID uuid.UUID) (rp1 *model.RequestDetail, err error)
+	funcGetMailingListByID          func(ctx context.Context, requestID uuid.UUID, userID int) (rp1 *model.RequestDetail, err error)
 	funcGetMailingListByIDOrigin    string
-	inspectFuncGetMailingListByID   func(ctx context.Context, requestID uuid.UUID)
+	inspectFuncGetMailingListByID   func(ctx context.Context, requestID uuid.UUID, userID int)
 	afterGetMailingListByIDCounter  uint64
 	beforeGetMailingListByIDCounter uint64
 	GetMailingListByIDMock          mRequestServiceMockGetMailingListByID
@@ -508,6 +508,8 @@ type RequestServiceMockCreateTZParams struct {
 	ctx        context.Context
 	userID     int
 	requestTxt string
+	fileData   []byte
+	fileName   string
 }
 
 // RequestServiceMockCreateTZParamPtrs contains pointers to parameters of the RequestService.CreateTZ
@@ -515,6 +517,8 @@ type RequestServiceMockCreateTZParamPtrs struct {
 	ctx        *context.Context
 	userID     *int
 	requestTxt *string
+	fileData   *[]byte
+	fileName   *string
 }
 
 // RequestServiceMockCreateTZResults contains results of the RequestService.CreateTZ
@@ -530,6 +534,8 @@ type RequestServiceMockCreateTZExpectationOrigins struct {
 	originCtx        string
 	originUserID     string
 	originRequestTxt string
+	originFileData   string
+	originFileName   string
 }
 
 // Marks this method to be optional. The default behavior of any method with Return() is '1 or more', meaning
@@ -543,7 +549,7 @@ func (mmCreateTZ *mRequestServiceMockCreateTZ) Optional() *mRequestServiceMockCr
 }
 
 // Expect sets up expected params for RequestService.CreateTZ
-func (mmCreateTZ *mRequestServiceMockCreateTZ) Expect(ctx context.Context, userID int, requestTxt string) *mRequestServiceMockCreateTZ {
+func (mmCreateTZ *mRequestServiceMockCreateTZ) Expect(ctx context.Context, userID int, requestTxt string, fileData []byte, fileName string) *mRequestServiceMockCreateTZ {
 	if mmCreateTZ.mock.funcCreateTZ != nil {
 		mmCreateTZ.mock.t.Fatalf("RequestServiceMock.CreateTZ mock is already set by Set")
 	}
@@ -556,7 +562,7 @@ func (mmCreateTZ *mRequestServiceMockCreateTZ) Expect(ctx context.Context, userI
 		mmCreateTZ.mock.t.Fatalf("RequestServiceMock.CreateTZ mock is already set by ExpectParams functions")
 	}
 
-	mmCreateTZ.defaultExpectation.params = &RequestServiceMockCreateTZParams{ctx, userID, requestTxt}
+	mmCreateTZ.defaultExpectation.params = &RequestServiceMockCreateTZParams{ctx, userID, requestTxt, fileData, fileName}
 	mmCreateTZ.defaultExpectation.expectationOrigins.origin = minimock.CallerInfo(1)
 	for _, e := range mmCreateTZ.expectations {
 		if minimock.Equal(e.params, mmCreateTZ.defaultExpectation.params) {
@@ -636,8 +642,54 @@ func (mmCreateTZ *mRequestServiceMockCreateTZ) ExpectRequestTxtParam3(requestTxt
 	return mmCreateTZ
 }
 
+// ExpectFileDataParam4 sets up expected param fileData for RequestService.CreateTZ
+func (mmCreateTZ *mRequestServiceMockCreateTZ) ExpectFileDataParam4(fileData []byte) *mRequestServiceMockCreateTZ {
+	if mmCreateTZ.mock.funcCreateTZ != nil {
+		mmCreateTZ.mock.t.Fatalf("RequestServiceMock.CreateTZ mock is already set by Set")
+	}
+
+	if mmCreateTZ.defaultExpectation == nil {
+		mmCreateTZ.defaultExpectation = &RequestServiceMockCreateTZExpectation{}
+	}
+
+	if mmCreateTZ.defaultExpectation.params != nil {
+		mmCreateTZ.mock.t.Fatalf("RequestServiceMock.CreateTZ mock is already set by Expect")
+	}
+
+	if mmCreateTZ.defaultExpectation.paramPtrs == nil {
+		mmCreateTZ.defaultExpectation.paramPtrs = &RequestServiceMockCreateTZParamPtrs{}
+	}
+	mmCreateTZ.defaultExpectation.paramPtrs.fileData = &fileData
+	mmCreateTZ.defaultExpectation.expectationOrigins.originFileData = minimock.CallerInfo(1)
+
+	return mmCreateTZ
+}
+
+// ExpectFileNameParam5 sets up expected param fileName for RequestService.CreateTZ
+func (mmCreateTZ *mRequestServiceMockCreateTZ) ExpectFileNameParam5(fileName string) *mRequestServiceMockCreateTZ {
+	if mmCreateTZ.mock.funcCreateTZ != nil {
+		mmCreateTZ.mock.t.Fatalf("RequestServiceMock.CreateTZ mock is already set by Set")
+	}
+
+	if mmCreateTZ.defaultExpectation == nil {
+		mmCreateTZ.defaultExpectation = &RequestServiceMockCreateTZExpectation{}
+	}
+
+	if mmCreateTZ.defaultExpectation.params != nil {
+		mmCreateTZ.mock.t.Fatalf("RequestServiceMock.CreateTZ mock is already set by Expect")
+	}
+
+	if mmCreateTZ.defaultExpectation.paramPtrs == nil {
+		mmCreateTZ.defaultExpectation.paramPtrs = &RequestServiceMockCreateTZParamPtrs{}
+	}
+	mmCreateTZ.defaultExpectation.paramPtrs.fileName = &fileName
+	mmCreateTZ.defaultExpectation.expectationOrigins.originFileName = minimock.CallerInfo(1)
+
+	return mmCreateTZ
+}
+
 // Inspect accepts an inspector function that has same arguments as the RequestService.CreateTZ
-func (mmCreateTZ *mRequestServiceMockCreateTZ) Inspect(f func(ctx context.Context, userID int, requestTxt string)) *mRequestServiceMockCreateTZ {
+func (mmCreateTZ *mRequestServiceMockCreateTZ) Inspect(f func(ctx context.Context, userID int, requestTxt string, fileData []byte, fileName string)) *mRequestServiceMockCreateTZ {
 	if mmCreateTZ.mock.inspectFuncCreateTZ != nil {
 		mmCreateTZ.mock.t.Fatalf("Inspect function is already set for RequestServiceMock.CreateTZ")
 	}
@@ -662,7 +714,7 @@ func (mmCreateTZ *mRequestServiceMockCreateTZ) Return(u1 uuid.UUID, s1 string, e
 }
 
 // Set uses given function f to mock the RequestService.CreateTZ method
-func (mmCreateTZ *mRequestServiceMockCreateTZ) Set(f func(ctx context.Context, userID int, requestTxt string) (u1 uuid.UUID, s1 string, err error)) *RequestServiceMock {
+func (mmCreateTZ *mRequestServiceMockCreateTZ) Set(f func(ctx context.Context, userID int, requestTxt string, fileData []byte, fileName string) (u1 uuid.UUID, s1 string, err error)) *RequestServiceMock {
 	if mmCreateTZ.defaultExpectation != nil {
 		mmCreateTZ.mock.t.Fatalf("Default expectation is already set for the RequestService.CreateTZ method")
 	}
@@ -678,14 +730,14 @@ func (mmCreateTZ *mRequestServiceMockCreateTZ) Set(f func(ctx context.Context, u
 
 // When sets expectation for the RequestService.CreateTZ which will trigger the result defined by the following
 // Then helper
-func (mmCreateTZ *mRequestServiceMockCreateTZ) When(ctx context.Context, userID int, requestTxt string) *RequestServiceMockCreateTZExpectation {
+func (mmCreateTZ *mRequestServiceMockCreateTZ) When(ctx context.Context, userID int, requestTxt string, fileData []byte, fileName string) *RequestServiceMockCreateTZExpectation {
 	if mmCreateTZ.mock.funcCreateTZ != nil {
 		mmCreateTZ.mock.t.Fatalf("RequestServiceMock.CreateTZ mock is already set by Set")
 	}
 
 	expectation := &RequestServiceMockCreateTZExpectation{
 		mock:               mmCreateTZ.mock,
-		params:             &RequestServiceMockCreateTZParams{ctx, userID, requestTxt},
+		params:             &RequestServiceMockCreateTZParams{ctx, userID, requestTxt, fileData, fileName},
 		expectationOrigins: RequestServiceMockCreateTZExpectationOrigins{origin: minimock.CallerInfo(1)},
 	}
 	mmCreateTZ.expectations = append(mmCreateTZ.expectations, expectation)
@@ -720,17 +772,17 @@ func (mmCreateTZ *mRequestServiceMockCreateTZ) invocationsDone() bool {
 }
 
 // CreateTZ implements mm_service.RequestService
-func (mmCreateTZ *RequestServiceMock) CreateTZ(ctx context.Context, userID int, requestTxt string) (u1 uuid.UUID, s1 string, err error) {
+func (mmCreateTZ *RequestServiceMock) CreateTZ(ctx context.Context, userID int, requestTxt string, fileData []byte, fileName string) (u1 uuid.UUID, s1 string, err error) {
 	mm_atomic.AddUint64(&mmCreateTZ.beforeCreateTZCounter, 1)
 	defer mm_atomic.AddUint64(&mmCreateTZ.afterCreateTZCounter, 1)
 
 	mmCreateTZ.t.Helper()
 
 	if mmCreateTZ.inspectFuncCreateTZ != nil {
-		mmCreateTZ.inspectFuncCreateTZ(ctx, userID, requestTxt)
+		mmCreateTZ.inspectFuncCreateTZ(ctx, userID, requestTxt, fileData, fileName)
 	}
 
-	mm_params := RequestServiceMockCreateTZParams{ctx, userID, requestTxt}
+	mm_params := RequestServiceMockCreateTZParams{ctx, userID, requestTxt, fileData, fileName}
 
 	// Record call args
 	mmCreateTZ.CreateTZMock.mutex.Lock()
@@ -749,7 +801,7 @@ func (mmCreateTZ *RequestServiceMock) CreateTZ(ctx context.Context, userID int,
 		mm_want := mmCreateTZ.CreateTZMock.defaultExpectation.params
 		mm_want_ptrs := mmCreateTZ.CreateTZMock.defaultExpectation.paramPtrs
 
-		mm_got := RequestServiceMockCreateTZParams{ctx, userID, requestTxt}
+		mm_got := RequestServiceMockCreateTZParams{ctx, userID, requestTxt, fileData, fileName}
 
 		if mm_want_ptrs != nil {
 
@@ -768,6 +820,16 @@ func (mmCreateTZ *RequestServiceMock) CreateTZ(ctx context.Context, userID int,
 					mmCreateTZ.CreateTZMock.defaultExpectation.expectationOrigins.originRequestTxt, *mm_want_ptrs.requestTxt, mm_got.requestTxt, minimock.Diff(*mm_want_ptrs.requestTxt, mm_got.requestTxt))
 			}
 
+			if mm_want_ptrs.fileData != nil && !minimock.Equal(*mm_want_ptrs.fileData, mm_got.fileData) {
+				mmCreateTZ.t.Errorf("RequestServiceMock.CreateTZ got unexpected parameter fileData, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmCreateTZ.CreateTZMock.defaultExpectation.expectationOrigins.originFileData, *mm_want_ptrs.fileData, mm_got.fileData, minimock.Diff(*mm_want_ptrs.fileData, mm_got.fileData))
+			}
+
+			if mm_want_ptrs.fileName != nil && !minimock.Equal(*mm_want_ptrs.fileName, mm_got.fileName) {
+				mmCreateTZ.t.Errorf("RequestServiceMock.CreateTZ got unexpected parameter fileName, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmCreateTZ.CreateTZMock.defaultExpectation.expectationOrigins.originFileName, *mm_want_ptrs.fileName, mm_got.fileName, minimock.Diff(*mm_want_ptrs.fileName, mm_got.fileName))
+			}
+
 		} else if mm_want != nil && !minimock.Equal(*mm_want, mm_got) {
 			mmCreateTZ.t.Errorf("RequestServiceMock.CreateTZ got unexpected parameters, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
 				mmCreateTZ.CreateTZMock.defaultExpectation.expectationOrigins.origin, *mm_want, mm_got, minimock.Diff(*mm_want, mm_got))
@@ -780,9 +842,9 @@ func (mmCreateTZ *RequestServiceMock) CreateTZ(ctx context.Context, userID int,
 		return (*mm_results).u1, (*mm_results).s1, (*mm_results).err
 	}
 	if mmCreateTZ.funcCreateTZ != nil {
-		return mmCreateTZ.funcCreateTZ(ctx, userID, requestTxt)
+		return mmCreateTZ.funcCreateTZ(ctx, userID, requestTxt, fileData, fileName)
 	}
-	mmCreateTZ.t.Fatalf("Unexpected call to RequestServiceMock.CreateTZ. %v %v %v", ctx, userID, requestTxt)
+	mmCreateTZ.t.Fatalf("Unexpected call to RequestServiceMock.CreateTZ. %v %v %v %v %v", ctx, userID, requestTxt, fileData, fileName)
 	return
 }
 
@@ -1225,12 +1287,14 @@ type RequestServiceMockGetMailingListByIDExpectation struct {
 type RequestServiceMockGetMailingListByIDParams struct {
 	ctx       context.Context
 	requestID uuid.UUID
+	userID    int
 }
 
 // RequestServiceMockGetMailingListByIDParamPtrs contains pointers to parameters of the RequestService.GetMailingListByID
 type RequestServiceMockGetMailingListByIDParamPtrs struct {
 	ctx       *context.Context
 	requestID *uuid.UUID
+	userID    *int
 }
 
 // RequestServiceMockGetMailingListByIDResults contains results of the RequestService.GetMailingListByID
@@ -1244,6 +1308,7 @@ type RequestServiceMockGetMailingListByIDExpectationOrigins struct {
 	origin          string
 	originCtx       string
 	originRequestID string
+	originUserID    string
 }
 
 // Marks this method to be optional. The default behavior of any method with Return() is '1 or more', meaning
@@ -1257,7 +1322,7 @@ func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) Optional() *m
 }
 
 // Expect sets up expected params for RequestService.GetMailingListByID
-func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) Expect(ctx context.Context, requestID uuid.UUID) *mRequestServiceMockGetMailingListByID {
+func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) Expect(ctx context.Context, requestID uuid.UUID, userID int) *mRequestServiceMockGetMailingListByID {
 	if mmGetMailingListByID.mock.funcGetMailingListByID != nil {
 		mmGetMailingListByID.mock.t.Fatalf("RequestServiceMock.GetMailingListByID mock is already set by Set")
 	}
@@ -1270,7 +1335,7 @@ func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) Expect(ctx co
 		mmGetMailingListByID.mock.t.Fatalf("RequestServiceMock.GetMailingListByID mock is already set by ExpectParams functions")
 	}
 
-	mmGetMailingListByID.defaultExpectation.params = &RequestServiceMockGetMailingListByIDParams{ctx, requestID}
+	mmGetMailingListByID.defaultExpectation.params = &RequestServiceMockGetMailingListByIDParams{ctx, requestID, userID}
 	mmGetMailingListByID.defaultExpectation.expectationOrigins.origin = minimock.CallerInfo(1)
 	for _, e := range mmGetMailingListByID.expectations {
 		if minimock.Equal(e.params, mmGetMailingListByID.defaultExpectation.params) {
@@ -1327,8 +1392,31 @@ func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) ExpectRequest
 	return mmGetMailingListByID
 }
 
+// ExpectUserIDParam3 sets up expected param userID for RequestService.GetMailingListByID
+func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) ExpectUserIDParam3(userID int) *mRequestServiceMockGetMailingListByID {
+	if mmGetMailingListByID.mock.funcGetMailingListByID != nil {
+		mmGetMailingListByID.mock.t.Fatalf("RequestServiceMock.GetMailingListByID mock is already set by Set")
+	}
+
+	if mmGetMailingListByID.defaultExpectation == nil {
+		mmGetMailingListByID.defaultExpectation = &RequestServiceMockGetMailingListByIDExpectation{}
+	}
+
+	if mmGetMailingListByID.defaultExpectation.params != nil {
+		mmGetMailingListByID.mock.t.Fatalf("RequestServiceMock.GetMailingListByID mock is already set by Expect")
+	}
+
+	if mmGetMailingListByID.defaultExpectation.paramPtrs == nil {
+		mmGetMailingListByID.defaultExpectation.paramPtrs = &RequestServiceMockGetMailingListByIDParamPtrs{}
+	}
+	mmGetMailingListByID.defaultExpectation.paramPtrs.userID = &userID
+	mmGetMailingListByID.defaultExpectation.expectationOrigins.originUserID = minimock.CallerInfo(1)
+
+	return mmGetMailingListByID
+}
+
 // Inspect accepts an inspector function that has same arguments as the RequestService.GetMailingListByID
-func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) Inspect(f func(ctx context.Context, requestID uuid.UUID)) *mRequestServiceMockGetMailingListByID {
+func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) Inspect(f func(ctx context.Context, requestID uuid.UUID, userID int)) *mRequestServiceMockGetMailingListByID {
 	if mmGetMailingListByID.mock.inspectFuncGetMailingListByID != nil {
 		mmGetMailingListByID.mock.t.Fatalf("Inspect function is already set for RequestServiceMock.GetMailingListByID")
 	}
@@ -1353,7 +1441,7 @@ func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) Return(rp1 *m
 }
 
 // Set uses given function f to mock the RequestService.GetMailingListByID method
-func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) Set(f func(ctx context.Context, requestID uuid.UUID) (rp1 *model.RequestDetail, err error)) *RequestServiceMock {
+func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) Set(f func(ctx context.Context, requestID uuid.UUID, userID int) (rp1 *model.RequestDetail, err error)) *RequestServiceMock {
 	if mmGetMailingListByID.defaultExpectation != nil {
 		mmGetMailingListByID.mock.t.Fatalf("Default expectation is already set for the RequestService.GetMailingListByID method")
 	}
@@ -1369,14 +1457,14 @@ func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) Set(f func(ct
 
 // When sets expectation for the RequestService.GetMailingListByID which will trigger the result defined by the following
 // Then helper
-func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) When(ctx context.Context, requestID uuid.UUID) *RequestServiceMockGetMailingListByIDExpectation {
+func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) When(ctx context.Context, requestID uuid.UUID, userID int) *RequestServiceMockGetMailingListByIDExpectation {
 	if mmGetMailingListByID.mock.funcGetMailingListByID != nil {
 		mmGetMailingListByID.mock.t.Fatalf("RequestServiceMock.GetMailingListByID mock is already set by Set")
 	}
 
 	expectation := &RequestServiceMockGetMailingListByIDExpectation{
 		mock:               mmGetMailingListByID.mock,
-		params:             &RequestServiceMockGetMailingListByIDParams{ctx, requestID},
+		params:             &RequestServiceMockGetMailingListByIDParams{ctx, requestID, userID},
 		expectationOrigins: RequestServiceMockGetMailingListByIDExpectationOrigins{origin: minimock.CallerInfo(1)},
 	}
 	mmGetMailingListByID.expectations = append(mmGetMailingListByID.expectations, expectation)
@@ -1411,17 +1499,17 @@ func (mmGetMailingListByID *mRequestServiceMockGetMailingListByID) invocationsDo
 }
 
 // GetMailingListByID implements mm_service.RequestService
-func (mmGetMailingListByID *RequestServiceMock) GetMailingListByID(ctx context.Context, requestID uuid.UUID) (rp1 *model.RequestDetail, err error) {
+func (mmGetMailingListByID *RequestServiceMock) GetMailingListByID(ctx context.Context, requestID uuid.UUID, userID int) (rp1 *model.RequestDetail, err error) {
 	mm_atomic.AddUint64(&mmGetMailingListByID.beforeGetMailingListByIDCounter, 1)
 	defer mm_atomic.AddUint64(&mmGetMailingListByID.afterGetMailingListByIDCounter, 1)
 
 	mmGetMailingListByID.t.Helper()
 
 	if mmGetMailingListByID.inspectFuncGetMailingListByID != nil {
-		mmGetMailingListByID.inspectFuncGetMailingListByID(ctx, requestID)
+		mmGetMailingListByID.inspectFuncGetMailingListByID(ctx, requestID, userID)
 	}
 
-	mm_params := RequestServiceMockGetMailingListByIDParams{ctx, requestID}
+	mm_params := RequestServiceMockGetMailingListByIDParams{ctx, requestID, userID}
 
 	// Record call args
 	mmGetMailingListByID.GetMailingListByIDMock.mutex.Lock()
@@ -1440,7 +1528,7 @@ func (mmGetMailingListByID *RequestServiceMock) GetMailingListByID(ctx context.C
 		mm_want := mmGetMailingListByID.GetMailingListByIDMock.defaultExpectation.params
 		mm_want_ptrs := mmGetMailingListByID.GetMailingListByIDMock.defaultExpectation.paramPtrs
 
-		mm_got := RequestServiceMockGetMailingListByIDParams{ctx, requestID}
+		mm_got := RequestServiceMockGetMailingListByIDParams{ctx, requestID, userID}
 
 		if mm_want_ptrs != nil {
 
@@ -1454,6 +1542,11 @@ func (mmGetMailingListByID *RequestServiceMock) GetMailingListByID(ctx context.C
 					mmGetMailingListByID.GetMailingListByIDMock.defaultExpectation.expectationOrigins.originRequestID, *mm_want_ptrs.requestID, mm_got.requestID, minimock.Diff(*mm_want_ptrs.requestID, mm_got.requestID))
 			}
 
+			if mm_want_ptrs.userID != nil && !minimock.Equal(*mm_want_ptrs.userID, mm_got.userID) {
+				mmGetMailingListByID.t.Errorf("RequestServiceMock.GetMailingListByID got unexpected parameter userID, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmGetMailingListByID.GetMailingListByIDMock.defaultExpectation.expectationOrigins.originUserID, *mm_want_ptrs.userID, mm_got.userID, minimock.Diff(*mm_want_ptrs.userID, mm_got.userID))
+			}
+
 		} else if mm_want != nil && !minimock.Equal(*mm_want, mm_got) {
 			mmGetMailingListByID.t.Errorf("RequestServiceMock.GetMailingListByID got unexpected parameters, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
 				mmGetMailingListByID.GetMailingListByIDMock.defaultExpectation.expectationOrigins.origin, *mm_want, mm_got, minimock.Diff(*mm_want, mm_got))
@@ -1466,9 +1559,9 @@ func (mmGetMailingListByID *RequestServiceMock) GetMailingListByID(ctx context.C
 		return (*mm_results).rp1, (*mm_results).err
 	}
 	if mmGetMailingListByID.funcGetMailingListByID != nil {
-		return mmGetMailingListByID.funcGetMailingListByID(ctx, requestID)
+		return mmGetMailingListByID.funcGetMailingListByID(ctx, requestID, userID)
 	}
-	mmGetMailingListByID.t.Fatalf("Unexpected call to RequestServiceMock.GetMailingListByID. %v %v", ctx, requestID)
+	mmGetMailingListByID.t.Fatalf("Unexpected call to RequestServiceMock.GetMailingListByID. %v %v %v", ctx, requestID, userID)
 	return
 }
 

internal/mocks/supplier_service_mock.go

@@ -19,9 +19,9 @@ type SupplierServiceMock struct {
 	t          minimock.Tester
 	finishOnce sync.Once
 
-	funcExportExcel          func(ctx context.Context, requestID uuid.UUID) (ba1 []byte, err error)
+	funcExportExcel          func(ctx context.Context, requestID uuid.UUID, userID int) (ba1 []byte, err error)
 	funcExportExcelOrigin    string
-	inspectFuncExportExcel   func(ctx context.Context, requestID uuid.UUID)
+	inspectFuncExportExcel   func(ctx context.Context, requestID uuid.UUID, userID int)
 	afterExportExcelCounter  uint64
 	beforeExportExcelCounter uint64
 	ExportExcelMock          mSupplierServiceMockExportExcel
@@ -71,12 +71,14 @@ type SupplierServiceMockExportExcelExpectation struct {
 type SupplierServiceMockExportExcelParams struct {
 	ctx       context.Context
 	requestID uuid.UUID
+	userID    int
 }
 
 // SupplierServiceMockExportExcelParamPtrs contains pointers to parameters of the SupplierService.ExportExcel
 type SupplierServiceMockExportExcelParamPtrs struct {
 	ctx       *context.Context
 	requestID *uuid.UUID
+	userID    *int
 }
 
 // SupplierServiceMockExportExcelResults contains results of the SupplierService.ExportExcel
@@ -90,6 +92,7 @@ type SupplierServiceMockExportExcelExpectationOrigins struct {
 	origin          string
 	originCtx       string
 	originRequestID string
+	originUserID    string
 }
 
 // Marks this method to be optional. The default behavior of any method with Return() is '1 or more', meaning
@@ -103,7 +106,7 @@ func (mmExportExcel *mSupplierServiceMockExportExcel) Optional() *mSupplierServi
 }
 
 // Expect sets up expected params for SupplierService.ExportExcel
-func (mmExportExcel *mSupplierServiceMockExportExcel) Expect(ctx context.Context, requestID uuid.UUID) *mSupplierServiceMockExportExcel {
+func (mmExportExcel *mSupplierServiceMockExportExcel) Expect(ctx context.Context, requestID uuid.UUID, userID int) *mSupplierServiceMockExportExcel {
 	if mmExportExcel.mock.funcExportExcel != nil {
 		mmExportExcel.mock.t.Fatalf("SupplierServiceMock.ExportExcel mock is already set by Set")
 	}
@@ -116,7 +119,7 @@ func (mmExportExcel *mSupplierServiceMockExportExcel) Expect(ctx context.Context
 		mmExportExcel.mock.t.Fatalf("SupplierServiceMock.ExportExcel mock is already set by ExpectParams functions")
 	}
 
-	mmExportExcel.defaultExpectation.params = &SupplierServiceMockExportExcelParams{ctx, requestID}
+	mmExportExcel.defaultExpectation.params = &SupplierServiceMockExportExcelParams{ctx, requestID, userID}
 	mmExportExcel.defaultExpectation.expectationOrigins.origin = minimock.CallerInfo(1)
 	for _, e := range mmExportExcel.expectations {
 		if minimock.Equal(e.params, mmExportExcel.defaultExpectation.params) {
@@ -173,8 +176,31 @@ func (mmExportExcel *mSupplierServiceMockExportExcel) ExpectRequestIDParam2(requ
 	return mmExportExcel
 }
 
+// ExpectUserIDParam3 sets up expected param userID for SupplierService.ExportExcel
+func (mmExportExcel *mSupplierServiceMockExportExcel) ExpectUserIDParam3(userID int) *mSupplierServiceMockExportExcel {
+	if mmExportExcel.mock.funcExportExcel != nil {
+		mmExportExcel.mock.t.Fatalf("SupplierServiceMock.ExportExcel mock is already set by Set")
+	}
+
+	if mmExportExcel.defaultExpectation == nil {
+		mmExportExcel.defaultExpectation = &SupplierServiceMockExportExcelExpectation{}
+	}
+
+	if mmExportExcel.defaultExpectation.params != nil {
+		mmExportExcel.mock.t.Fatalf("SupplierServiceMock.ExportExcel mock is already set by Expect")
+	}
+
+	if mmExportExcel.defaultExpectation.paramPtrs == nil {
+		mmExportExcel.defaultExpectation.paramPtrs = &SupplierServiceMockExportExcelParamPtrs{}
+	}
+	mmExportExcel.defaultExpectation.paramPtrs.userID = &userID
+	mmExportExcel.defaultExpectation.expectationOrigins.originUserID = minimock.CallerInfo(1)
+
+	return mmExportExcel
+}
+
 // Inspect accepts an inspector function that has same arguments as the SupplierService.ExportExcel
-func (mmExportExcel *mSupplierServiceMockExportExcel) Inspect(f func(ctx context.Context, requestID uuid.UUID)) *mSupplierServiceMockExportExcel {
+func (mmExportExcel *mSupplierServiceMockExportExcel) Inspect(f func(ctx context.Context, requestID uuid.UUID, userID int)) *mSupplierServiceMockExportExcel {
 	if mmExportExcel.mock.inspectFuncExportExcel != nil {
 		mmExportExcel.mock.t.Fatalf("Inspect function is already set for SupplierServiceMock.ExportExcel")
 	}
@@ -199,7 +225,7 @@ func (mmExportExcel *mSupplierServiceMockExportExcel) Return(ba1 []byte, err err
 }
 
 // Set uses given function f to mock the SupplierService.ExportExcel method
-func (mmExportExcel *mSupplierServiceMockExportExcel) Set(f func(ctx context.Context, requestID uuid.UUID) (ba1 []byte, err error)) *SupplierServiceMock {
+func (mmExportExcel *mSupplierServiceMockExportExcel) Set(f func(ctx context.Context, requestID uuid.UUID, userID int) (ba1 []byte, err error)) *SupplierServiceMock {
 	if mmExportExcel.defaultExpectation != nil {
 		mmExportExcel.mock.t.Fatalf("Default expectation is already set for the SupplierService.ExportExcel method")
 	}
@@ -215,14 +241,14 @@ func (mmExportExcel *mSupplierServiceMockExportExcel) Set(f func(ctx context.Con
 
 // When sets expectation for the SupplierService.ExportExcel which will trigger the result defined by the following
 // Then helper
-func (mmExportExcel *mSupplierServiceMockExportExcel) When(ctx context.Context, requestID uuid.UUID) *SupplierServiceMockExportExcelExpectation {
+func (mmExportExcel *mSupplierServiceMockExportExcel) When(ctx context.Context, requestID uuid.UUID, userID int) *SupplierServiceMockExportExcelExpectation {
 	if mmExportExcel.mock.funcExportExcel != nil {
 		mmExportExcel.mock.t.Fatalf("SupplierServiceMock.ExportExcel mock is already set by Set")
 	}
 
 	expectation := &SupplierServiceMockExportExcelExpectation{
 		mock:               mmExportExcel.mock,
-		params:             &SupplierServiceMockExportExcelParams{ctx, requestID},
+		params:             &SupplierServiceMockExportExcelParams{ctx, requestID, userID},
 		expectationOrigins: SupplierServiceMockExportExcelExpectationOrigins{origin: minimock.CallerInfo(1)},
 	}
 	mmExportExcel.expectations = append(mmExportExcel.expectations, expectation)
@@ -257,17 +283,17 @@ func (mmExportExcel *mSupplierServiceMockExportExcel) invocationsDone() bool {
 }
 
 // ExportExcel implements mm_service.SupplierService
-func (mmExportExcel *SupplierServiceMock) ExportExcel(ctx context.Context, requestID uuid.UUID) (ba1 []byte, err error) {
+func (mmExportExcel *SupplierServiceMock) ExportExcel(ctx context.Context, requestID uuid.UUID, userID int) (ba1 []byte, err error) {
 	mm_atomic.AddUint64(&mmExportExcel.beforeExportExcelCounter, 1)
 	defer mm_atomic.AddUint64(&mmExportExcel.afterExportExcelCounter, 1)
 
 	mmExportExcel.t.Helper()
 
 	if mmExportExcel.inspectFuncExportExcel != nil {
-		mmExportExcel.inspectFuncExportExcel(ctx, requestID)
+		mmExportExcel.inspectFuncExportExcel(ctx, requestID, userID)
 	}
 
-	mm_params := SupplierServiceMockExportExcelParams{ctx, requestID}
+	mm_params := SupplierServiceMockExportExcelParams{ctx, requestID, userID}
 
 	// Record call args
 	mmExportExcel.ExportExcelMock.mutex.Lock()
@@ -286,7 +312,7 @@ func (mmExportExcel *SupplierServiceMock) ExportExcel(ctx context.Context, reque
 		mm_want := mmExportExcel.ExportExcelMock.defaultExpectation.params
 		mm_want_ptrs := mmExportExcel.ExportExcelMock.defaultExpectation.paramPtrs
 
-		mm_got := SupplierServiceMockExportExcelParams{ctx, requestID}
+		mm_got := SupplierServiceMockExportExcelParams{ctx, requestID, userID}
 
 		if mm_want_ptrs != nil {
 
@@ -300,6 +326,11 @@ func (mmExportExcel *SupplierServiceMock) ExportExcel(ctx context.Context, reque
 					mmExportExcel.ExportExcelMock.defaultExpectation.expectationOrigins.originRequestID, *mm_want_ptrs.requestID, mm_got.requestID, minimock.Diff(*mm_want_ptrs.requestID, mm_got.requestID))
 			}
 
+			if mm_want_ptrs.userID != nil && !minimock.Equal(*mm_want_ptrs.userID, mm_got.userID) {
+				mmExportExcel.t.Errorf("SupplierServiceMock.ExportExcel got unexpected parameter userID, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmExportExcel.ExportExcelMock.defaultExpectation.expectationOrigins.originUserID, *mm_want_ptrs.userID, mm_got.userID, minimock.Diff(*mm_want_ptrs.userID, mm_got.userID))
+			}
+
 		} else if mm_want != nil && !minimock.Equal(*mm_want, mm_got) {
 			mmExportExcel.t.Errorf("SupplierServiceMock.ExportExcel got unexpected parameters, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
 				mmExportExcel.ExportExcelMock.defaultExpectation.expectationOrigins.origin, *mm_want, mm_got, minimock.Diff(*mm_want, mm_got))
@@ -312,9 +343,9 @@ func (mmExportExcel *SupplierServiceMock) ExportExcel(ctx context.Context, reque
 		return (*mm_results).ba1, (*mm_results).err
 	}
 	if mmExportExcel.funcExportExcel != nil {
-		return mmExportExcel.funcExportExcel(ctx, requestID)
+		return mmExportExcel.funcExportExcel(ctx, requestID, userID)
 	}
-	mmExportExcel.t.Fatalf("Unexpected call to SupplierServiceMock.ExportExcel. %v %v", ctx, requestID)
+	mmExportExcel.t.Fatalf("Unexpected call to SupplierServiceMock.ExportExcel. %v %v %v", ctx, requestID, userID)
 	return
 }
 

internal/mocks/token_usage_repository_mock.go

@@ -33,6 +33,13 @@ type TokenUsageRepositoryMock struct {
 	afterCreateTxCounter  uint64
 	beforeCreateTxCounter uint64
 	CreateTxMock          mTokenUsageRepositoryMockCreateTx
+
+	funcGetBalanceStatistics          func(ctx context.Context, userID int) (averageCost float64, history []*model.WriteOffHistory, err error)
+	funcGetBalanceStatisticsOrigin    string
+	inspectFuncGetBalanceStatistics   func(ctx context.Context, userID int)
+	afterGetBalanceStatisticsCounter  uint64
+	beforeGetBalanceStatisticsCounter uint64
+	GetBalanceStatisticsMock          mTokenUsageRepositoryMockGetBalanceStatistics
 }
 
 // NewTokenUsageRepositoryMock returns a mock for mm_repository.TokenUsageRepository
@@ -49,6 +56,9 @@ func NewTokenUsageRepositoryMock(t minimock.Tester) *TokenUsageRepositoryMock {
 	m.CreateTxMock = mTokenUsageRepositoryMockCreateTx{mock: m}
 	m.CreateTxMock.callArgs = []*TokenUsageRepositoryMockCreateTxParams{}
 
+	m.GetBalanceStatisticsMock = mTokenUsageRepositoryMockGetBalanceStatistics{mock: m}
+	m.GetBalanceStatisticsMock.callArgs = []*TokenUsageRepositoryMockGetBalanceStatisticsParams{}
+
 	t.Cleanup(m.MinimockFinish)
 
 	return m
@@ -769,6 +779,350 @@ func (m *TokenUsageRepositoryMock) MinimockCreateTxInspect() {
 	}
 }
 
+type mTokenUsageRepositoryMockGetBalanceStatistics struct {
+	optional           bool
+	mock               *TokenUsageRepositoryMock
+	defaultExpectation *TokenUsageRepositoryMockGetBalanceStatisticsExpectation
+	expectations       []*TokenUsageRepositoryMockGetBalanceStatisticsExpectation
+
+	callArgs []*TokenUsageRepositoryMockGetBalanceStatisticsParams
+	mutex    sync.RWMutex
+
+	expectedInvocations       uint64
+	expectedInvocationsOrigin string
+}
+
+// TokenUsageRepositoryMockGetBalanceStatisticsExpectation specifies expectation struct of the TokenUsageRepository.GetBalanceStatistics
+type TokenUsageRepositoryMockGetBalanceStatisticsExpectation struct {
+	mock               *TokenUsageRepositoryMock
+	params             *TokenUsageRepositoryMockGetBalanceStatisticsParams
+	paramPtrs          *TokenUsageRepositoryMockGetBalanceStatisticsParamPtrs
+	expectationOrigins TokenUsageRepositoryMockGetBalanceStatisticsExpectationOrigins
+	results            *TokenUsageRepositoryMockGetBalanceStatisticsResults
+	returnOrigin       string
+	Counter            uint64
+}
+
+// TokenUsageRepositoryMockGetBalanceStatisticsParams contains parameters of the TokenUsageRepository.GetBalanceStatistics
+type TokenUsageRepositoryMockGetBalanceStatisticsParams struct {
+	ctx    context.Context
+	userID int
+}
+
+// TokenUsageRepositoryMockGetBalanceStatisticsParamPtrs contains pointers to parameters of the TokenUsageRepository.GetBalanceStatistics
+type TokenUsageRepositoryMockGetBalanceStatisticsParamPtrs struct {
+	ctx    *context.Context
+	userID *int
+}
+
+// TokenUsageRepositoryMockGetBalanceStatisticsResults contains results of the TokenUsageRepository.GetBalanceStatistics
+type TokenUsageRepositoryMockGetBalanceStatisticsResults struct {
+	averageCost float64
+	history     []*model.WriteOffHistory
+	err         error
+}
+
+// TokenUsageRepositoryMockGetBalanceStatisticsOrigins contains origins of expectations of the TokenUsageRepository.GetBalanceStatistics
+type TokenUsageRepositoryMockGetBalanceStatisticsExpectationOrigins struct {
+	origin       string
+	originCtx    string
+	originUserID string
+}
+
+// Marks this method to be optional. The default behavior of any method with Return() is '1 or more', meaning
+// the test will fail minimock's automatic final call check if the mocked method was not called at least once.
+// Optional() makes method check to work in '0 or more' mode.
+// It is NOT RECOMMENDED to use this option unless you really need it, as default behaviour helps to
+// catch the problems when the expected method call is totally skipped during test run.
+func (mmGetBalanceStatistics *mTokenUsageRepositoryMockGetBalanceStatistics) Optional() *mTokenUsageRepositoryMockGetBalanceStatistics {
+	mmGetBalanceStatistics.optional = true
+	return mmGetBalanceStatistics
+}
+
+// Expect sets up expected params for TokenUsageRepository.GetBalanceStatistics
+func (mmGetBalanceStatistics *mTokenUsageRepositoryMockGetBalanceStatistics) Expect(ctx context.Context, userID int) *mTokenUsageRepositoryMockGetBalanceStatistics {
+	if mmGetBalanceStatistics.mock.funcGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("TokenUsageRepositoryMock.GetBalanceStatistics mock is already set by Set")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation == nil {
+		mmGetBalanceStatistics.defaultExpectation = &TokenUsageRepositoryMockGetBalanceStatisticsExpectation{}
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation.paramPtrs != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("TokenUsageRepositoryMock.GetBalanceStatistics mock is already set by ExpectParams functions")
+	}
+
+	mmGetBalanceStatistics.defaultExpectation.params = &TokenUsageRepositoryMockGetBalanceStatisticsParams{ctx, userID}
+	mmGetBalanceStatistics.defaultExpectation.expectationOrigins.origin = minimock.CallerInfo(1)
+	for _, e := range mmGetBalanceStatistics.expectations {
+		if minimock.Equal(e.params, mmGetBalanceStatistics.defaultExpectation.params) {
+			mmGetBalanceStatistics.mock.t.Fatalf("Expectation set by When has same params: %#v", *mmGetBalanceStatistics.defaultExpectation.params)
+		}
+	}
+
+	return mmGetBalanceStatistics
+}
+
+// ExpectCtxParam1 sets up expected param ctx for TokenUsageRepository.GetBalanceStatistics
+func (mmGetBalanceStatistics *mTokenUsageRepositoryMockGetBalanceStatistics) ExpectCtxParam1(ctx context.Context) *mTokenUsageRepositoryMockGetBalanceStatistics {
+	if mmGetBalanceStatistics.mock.funcGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("TokenUsageRepositoryMock.GetBalanceStatistics mock is already set by Set")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation == nil {
+		mmGetBalanceStatistics.defaultExpectation = &TokenUsageRepositoryMockGetBalanceStatisticsExpectation{}
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation.params != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("TokenUsageRepositoryMock.GetBalanceStatistics mock is already set by Expect")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation.paramPtrs == nil {
+		mmGetBalanceStatistics.defaultExpectation.paramPtrs = &TokenUsageRepositoryMockGetBalanceStatisticsParamPtrs{}
+	}
+	mmGetBalanceStatistics.defaultExpectation.paramPtrs.ctx = &ctx
+	mmGetBalanceStatistics.defaultExpectation.expectationOrigins.originCtx = minimock.CallerInfo(1)
+
+	return mmGetBalanceStatistics
+}
+
+// ExpectUserIDParam2 sets up expected param userID for TokenUsageRepository.GetBalanceStatistics
+func (mmGetBalanceStatistics *mTokenUsageRepositoryMockGetBalanceStatistics) ExpectUserIDParam2(userID int) *mTokenUsageRepositoryMockGetBalanceStatistics {
+	if mmGetBalanceStatistics.mock.funcGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("TokenUsageRepositoryMock.GetBalanceStatistics mock is already set by Set")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation == nil {
+		mmGetBalanceStatistics.defaultExpectation = &TokenUsageRepositoryMockGetBalanceStatisticsExpectation{}
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation.params != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("TokenUsageRepositoryMock.GetBalanceStatistics mock is already set by Expect")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation.paramPtrs == nil {
+		mmGetBalanceStatistics.defaultExpectation.paramPtrs = &TokenUsageRepositoryMockGetBalanceStatisticsParamPtrs{}
+	}
+	mmGetBalanceStatistics.defaultExpectation.paramPtrs.userID = &userID
+	mmGetBalanceStatistics.defaultExpectation.expectationOrigins.originUserID = minimock.CallerInfo(1)
+
+	return mmGetBalanceStatistics
+}
+
+// Inspect accepts an inspector function that has same arguments as the TokenUsageRepository.GetBalanceStatistics
+func (mmGetBalanceStatistics *mTokenUsageRepositoryMockGetBalanceStatistics) Inspect(f func(ctx context.Context, userID int)) *mTokenUsageRepositoryMockGetBalanceStatistics {
+	if mmGetBalanceStatistics.mock.inspectFuncGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("Inspect function is already set for TokenUsageRepositoryMock.GetBalanceStatistics")
+	}
+
+	mmGetBalanceStatistics.mock.inspectFuncGetBalanceStatistics = f
+
+	return mmGetBalanceStatistics
+}
+
+// Return sets up results that will be returned by TokenUsageRepository.GetBalanceStatistics
+func (mmGetBalanceStatistics *mTokenUsageRepositoryMockGetBalanceStatistics) Return(averageCost float64, history []*model.WriteOffHistory, err error) *TokenUsageRepositoryMock {
+	if mmGetBalanceStatistics.mock.funcGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("TokenUsageRepositoryMock.GetBalanceStatistics mock is already set by Set")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation == nil {
+		mmGetBalanceStatistics.defaultExpectation = &TokenUsageRepositoryMockGetBalanceStatisticsExpectation{mock: mmGetBalanceStatistics.mock}
+	}
+	mmGetBalanceStatistics.defaultExpectation.results = &TokenUsageRepositoryMockGetBalanceStatisticsResults{averageCost, history, err}
+	mmGetBalanceStatistics.defaultExpectation.returnOrigin = minimock.CallerInfo(1)
+	return mmGetBalanceStatistics.mock
+}
+
+// Set uses given function f to mock the TokenUsageRepository.GetBalanceStatistics method
+func (mmGetBalanceStatistics *mTokenUsageRepositoryMockGetBalanceStatistics) Set(f func(ctx context.Context, userID int) (averageCost float64, history []*model.WriteOffHistory, err error)) *TokenUsageRepositoryMock {
+	if mmGetBalanceStatistics.defaultExpectation != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("Default expectation is already set for the TokenUsageRepository.GetBalanceStatistics method")
+	}
+
+	if len(mmGetBalanceStatistics.expectations) > 0 {
+		mmGetBalanceStatistics.mock.t.Fatalf("Some expectations are already set for the TokenUsageRepository.GetBalanceStatistics method")
+	}
+
+	mmGetBalanceStatistics.mock.funcGetBalanceStatistics = f
+	mmGetBalanceStatistics.mock.funcGetBalanceStatisticsOrigin = minimock.CallerInfo(1)
+	return mmGetBalanceStatistics.mock
+}
+
+// When sets expectation for the TokenUsageRepository.GetBalanceStatistics which will trigger the result defined by the following
+// Then helper
+func (mmGetBalanceStatistics *mTokenUsageRepositoryMockGetBalanceStatistics) When(ctx context.Context, userID int) *TokenUsageRepositoryMockGetBalanceStatisticsExpectation {
+	if mmGetBalanceStatistics.mock.funcGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("TokenUsageRepositoryMock.GetBalanceStatistics mock is already set by Set")
+	}
+
+	expectation := &TokenUsageRepositoryMockGetBalanceStatisticsExpectation{
+		mock:               mmGetBalanceStatistics.mock,
+		params:             &TokenUsageRepositoryMockGetBalanceStatisticsParams{ctx, userID},
+		expectationOrigins: TokenUsageRepositoryMockGetBalanceStatisticsExpectationOrigins{origin: minimock.CallerInfo(1)},
+	}
+	mmGetBalanceStatistics.expectations = append(mmGetBalanceStatistics.expectations, expectation)
+	return expectation
+}
+
+// Then sets up TokenUsageRepository.GetBalanceStatistics return parameters for the expectation previously defined by the When method
+func (e *TokenUsageRepositoryMockGetBalanceStatisticsExpectation) Then(averageCost float64, history []*model.WriteOffHistory, err error) *TokenUsageRepositoryMock {
+	e.results = &TokenUsageRepositoryMockGetBalanceStatisticsResults{averageCost, history, err}
+	return e.mock
+}
+
+// Times sets number of times TokenUsageRepository.GetBalanceStatistics should be invoked
+func (mmGetBalanceStatistics *mTokenUsageRepositoryMockGetBalanceStatistics) Times(n uint64) *mTokenUsageRepositoryMockGetBalanceStatistics {
+	if n == 0 {
+		mmGetBalanceStatistics.mock.t.Fatalf("Times of TokenUsageRepositoryMock.GetBalanceStatistics mock can not be zero")
+	}
+	mm_atomic.StoreUint64(&mmGetBalanceStatistics.expectedInvocations, n)
+	mmGetBalanceStatistics.expectedInvocationsOrigin = minimock.CallerInfo(1)
+	return mmGetBalanceStatistics
+}
+
+func (mmGetBalanceStatistics *mTokenUsageRepositoryMockGetBalanceStatistics) invocationsDone() bool {
+	if len(mmGetBalanceStatistics.expectations) == 0 && mmGetBalanceStatistics.defaultExpectation == nil && mmGetBalanceStatistics.mock.funcGetBalanceStatistics == nil {
+		return true
+	}
+
+	totalInvocations := mm_atomic.LoadUint64(&mmGetBalanceStatistics.mock.afterGetBalanceStatisticsCounter)
+	expectedInvocations := mm_atomic.LoadUint64(&mmGetBalanceStatistics.expectedInvocations)
+
+	return totalInvocations > 0 && (expectedInvocations == 0 || expectedInvocations == totalInvocations)
+}
+
+// GetBalanceStatistics implements mm_repository.TokenUsageRepository
+func (mmGetBalanceStatistics *TokenUsageRepositoryMock) GetBalanceStatistics(ctx context.Context, userID int) (averageCost float64, history []*model.WriteOffHistory, err error) {
+	mm_atomic.AddUint64(&mmGetBalanceStatistics.beforeGetBalanceStatisticsCounter, 1)
+	defer mm_atomic.AddUint64(&mmGetBalanceStatistics.afterGetBalanceStatisticsCounter, 1)
+
+	mmGetBalanceStatistics.t.Helper()
+
+	if mmGetBalanceStatistics.inspectFuncGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.inspectFuncGetBalanceStatistics(ctx, userID)
+	}
+
+	mm_params := TokenUsageRepositoryMockGetBalanceStatisticsParams{ctx, userID}
+
+	// Record call args
+	mmGetBalanceStatistics.GetBalanceStatisticsMock.mutex.Lock()
+	mmGetBalanceStatistics.GetBalanceStatisticsMock.callArgs = append(mmGetBalanceStatistics.GetBalanceStatisticsMock.callArgs, &mm_params)
+	mmGetBalanceStatistics.GetBalanceStatisticsMock.mutex.Unlock()
+
+	for _, e := range mmGetBalanceStatistics.GetBalanceStatisticsMock.expectations {
+		if minimock.Equal(*e.params, mm_params) {
+			mm_atomic.AddUint64(&e.Counter, 1)
+			return e.results.averageCost, e.results.history, e.results.err
+		}
+	}
+
+	if mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation != nil {
+		mm_atomic.AddUint64(&mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.Counter, 1)
+		mm_want := mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.params
+		mm_want_ptrs := mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.paramPtrs
+
+		mm_got := TokenUsageRepositoryMockGetBalanceStatisticsParams{ctx, userID}
+
+		if mm_want_ptrs != nil {
+
+			if mm_want_ptrs.ctx != nil && !minimock.Equal(*mm_want_ptrs.ctx, mm_got.ctx) {
+				mmGetBalanceStatistics.t.Errorf("TokenUsageRepositoryMock.GetBalanceStatistics got unexpected parameter ctx, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.expectationOrigins.originCtx, *mm_want_ptrs.ctx, mm_got.ctx, minimock.Diff(*mm_want_ptrs.ctx, mm_got.ctx))
+			}
+
+			if mm_want_ptrs.userID != nil && !minimock.Equal(*mm_want_ptrs.userID, mm_got.userID) {
+				mmGetBalanceStatistics.t.Errorf("TokenUsageRepositoryMock.GetBalanceStatistics got unexpected parameter userID, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.expectationOrigins.originUserID, *mm_want_ptrs.userID, mm_got.userID, minimock.Diff(*mm_want_ptrs.userID, mm_got.userID))
+			}
+
+		} else if mm_want != nil && !minimock.Equal(*mm_want, mm_got) {
+			mmGetBalanceStatistics.t.Errorf("TokenUsageRepositoryMock.GetBalanceStatistics got unexpected parameters, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+				mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.expectationOrigins.origin, *mm_want, mm_got, minimock.Diff(*mm_want, mm_got))
+		}
+
+		mm_results := mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.results
+		if mm_results == nil {
+			mmGetBalanceStatistics.t.Fatal("No results are set for the TokenUsageRepositoryMock.GetBalanceStatistics")
+		}
+		return (*mm_results).averageCost, (*mm_results).history, (*mm_results).err
+	}
+	if mmGetBalanceStatistics.funcGetBalanceStatistics != nil {
+		return mmGetBalanceStatistics.funcGetBalanceStatistics(ctx, userID)
+	}
+	mmGetBalanceStatistics.t.Fatalf("Unexpected call to TokenUsageRepositoryMock.GetBalanceStatistics. %v %v", ctx, userID)
+	return
+}
+
+// GetBalanceStatisticsAfterCounter returns a count of finished TokenUsageRepositoryMock.GetBalanceStatistics invocations
+func (mmGetBalanceStatistics *TokenUsageRepositoryMock) GetBalanceStatisticsAfterCounter() uint64 {
+	return mm_atomic.LoadUint64(&mmGetBalanceStatistics.afterGetBalanceStatisticsCounter)
+}
+
+// GetBalanceStatisticsBeforeCounter returns a count of TokenUsageRepositoryMock.GetBalanceStatistics invocations
+func (mmGetBalanceStatistics *TokenUsageRepositoryMock) GetBalanceStatisticsBeforeCounter() uint64 {
+	return mm_atomic.LoadUint64(&mmGetBalanceStatistics.beforeGetBalanceStatisticsCounter)
+}
+
+// Calls returns a list of arguments used in each call to TokenUsageRepositoryMock.GetBalanceStatistics.
+// The list is in the same order as the calls were made (i.e. recent calls have a higher index)
+func (mmGetBalanceStatistics *mTokenUsageRepositoryMockGetBalanceStatistics) Calls() []*TokenUsageRepositoryMockGetBalanceStatisticsParams {
+	mmGetBalanceStatistics.mutex.RLock()
+
+	argCopy := make([]*TokenUsageRepositoryMockGetBalanceStatisticsParams, len(mmGetBalanceStatistics.callArgs))
+	copy(argCopy, mmGetBalanceStatistics.callArgs)
+
+	mmGetBalanceStatistics.mutex.RUnlock()
+
+	return argCopy
+}
+
+// MinimockGetBalanceStatisticsDone returns true if the count of the GetBalanceStatistics invocations corresponds
+// the number of defined expectations
+func (m *TokenUsageRepositoryMock) MinimockGetBalanceStatisticsDone() bool {
+	if m.GetBalanceStatisticsMock.optional {
+		// Optional methods provide '0 or more' call count restriction.
+		return true
+	}
+
+	for _, e := range m.GetBalanceStatisticsMock.expectations {
+		if mm_atomic.LoadUint64(&e.Counter) < 1 {
+			return false
+		}
+	}
+
+	return m.GetBalanceStatisticsMock.invocationsDone()
+}
+
+// MinimockGetBalanceStatisticsInspect logs each unmet expectation
+func (m *TokenUsageRepositoryMock) MinimockGetBalanceStatisticsInspect() {
+	for _, e := range m.GetBalanceStatisticsMock.expectations {
+		if mm_atomic.LoadUint64(&e.Counter) < 1 {
+			m.t.Errorf("Expected call to TokenUsageRepositoryMock.GetBalanceStatistics at\n%s with params: %#v", e.expectationOrigins.origin, *e.params)
+		}
+	}
+
+	afterGetBalanceStatisticsCounter := mm_atomic.LoadUint64(&m.afterGetBalanceStatisticsCounter)
+	// if default expectation was set then invocations count should be greater than zero
+	if m.GetBalanceStatisticsMock.defaultExpectation != nil && afterGetBalanceStatisticsCounter < 1 {
+		if m.GetBalanceStatisticsMock.defaultExpectation.params == nil {
+			m.t.Errorf("Expected call to TokenUsageRepositoryMock.GetBalanceStatistics at\n%s", m.GetBalanceStatisticsMock.defaultExpectation.returnOrigin)
+		} else {
+			m.t.Errorf("Expected call to TokenUsageRepositoryMock.GetBalanceStatistics at\n%s with params: %#v", m.GetBalanceStatisticsMock.defaultExpectation.expectationOrigins.origin, *m.GetBalanceStatisticsMock.defaultExpectation.params)
+		}
+	}
+	// if func was set then invocations count should be greater than zero
+	if m.funcGetBalanceStatistics != nil && afterGetBalanceStatisticsCounter < 1 {
+		m.t.Errorf("Expected call to TokenUsageRepositoryMock.GetBalanceStatistics at\n%s", m.funcGetBalanceStatisticsOrigin)
+	}
+
+	if !m.GetBalanceStatisticsMock.invocationsDone() && afterGetBalanceStatisticsCounter > 0 {
+		m.t.Errorf("Expected %d calls to TokenUsageRepositoryMock.GetBalanceStatistics at\n%s but found %d calls",
+			mm_atomic.LoadUint64(&m.GetBalanceStatisticsMock.expectedInvocations), m.GetBalanceStatisticsMock.expectedInvocationsOrigin, afterGetBalanceStatisticsCounter)
+	}
+}
+
 // MinimockFinish checks that all mocked methods have been called the expected number of times
 func (m *TokenUsageRepositoryMock) MinimockFinish() {
 	m.finishOnce.Do(func() {
@@ -776,6 +1130,8 @@ func (m *TokenUsageRepositoryMock) MinimockFinish() {
 			m.MinimockCreateInspect()
 
 			m.MinimockCreateTxInspect()
+
+			m.MinimockGetBalanceStatisticsInspect()
 		}
 	})
 }
@@ -800,5 +1156,6 @@ func (m *TokenUsageRepositoryMock) minimockDone() bool {
 	done := true
 	return done &&
 		m.MinimockCreateDone() &&
-		m.MinimockCreateTxDone()
+		m.MinimockCreateTxDone() &&
+		m.MinimockGetBalanceStatisticsDone()
 }

internal/mocks/user_service_mock.go

@@ -26,6 +26,13 @@ type UserServiceMock struct {
 	beforeGetBalanceCounter uint64
 	GetBalanceMock          mUserServiceMockGetBalance
 
+	funcGetBalanceStatistics          func(ctx context.Context, userID int) (bp1 *mm_service.BalanceStatistics, err error)
+	funcGetBalanceStatisticsOrigin    string
+	inspectFuncGetBalanceStatistics   func(ctx context.Context, userID int)
+	afterGetBalanceStatisticsCounter  uint64
+	beforeGetBalanceStatisticsCounter uint64
+	GetBalanceStatisticsMock          mUserServiceMockGetBalanceStatistics
+
 	funcGetInfo          func(ctx context.Context, userID int) (up1 *mm_service.UserInfo, err error)
 	funcGetInfoOrigin    string
 	inspectFuncGetInfo   func(ctx context.Context, userID int)
@@ -52,6 +59,9 @@ func NewUserServiceMock(t minimock.Tester) *UserServiceMock {
 	m.GetBalanceMock = mUserServiceMockGetBalance{mock: m}
 	m.GetBalanceMock.callArgs = []*UserServiceMockGetBalanceParams{}
 
+	m.GetBalanceStatisticsMock = mUserServiceMockGetBalanceStatistics{mock: m}
+	m.GetBalanceStatisticsMock.callArgs = []*UserServiceMockGetBalanceStatisticsParams{}
+
 	m.GetInfoMock = mUserServiceMockGetInfo{mock: m}
 	m.GetInfoMock.callArgs = []*UserServiceMockGetInfoParams{}
 
@@ -406,6 +416,349 @@ func (m *UserServiceMock) MinimockGetBalanceInspect() {
 	}
 }
 
+type mUserServiceMockGetBalanceStatistics struct {
+	optional           bool
+	mock               *UserServiceMock
+	defaultExpectation *UserServiceMockGetBalanceStatisticsExpectation
+	expectations       []*UserServiceMockGetBalanceStatisticsExpectation
+
+	callArgs []*UserServiceMockGetBalanceStatisticsParams
+	mutex    sync.RWMutex
+
+	expectedInvocations       uint64
+	expectedInvocationsOrigin string
+}
+
+// UserServiceMockGetBalanceStatisticsExpectation specifies expectation struct of the UserService.GetBalanceStatistics
+type UserServiceMockGetBalanceStatisticsExpectation struct {
+	mock               *UserServiceMock
+	params             *UserServiceMockGetBalanceStatisticsParams
+	paramPtrs          *UserServiceMockGetBalanceStatisticsParamPtrs
+	expectationOrigins UserServiceMockGetBalanceStatisticsExpectationOrigins
+	results            *UserServiceMockGetBalanceStatisticsResults
+	returnOrigin       string
+	Counter            uint64
+}
+
+// UserServiceMockGetBalanceStatisticsParams contains parameters of the UserService.GetBalanceStatistics
+type UserServiceMockGetBalanceStatisticsParams struct {
+	ctx    context.Context
+	userID int
+}
+
+// UserServiceMockGetBalanceStatisticsParamPtrs contains pointers to parameters of the UserService.GetBalanceStatistics
+type UserServiceMockGetBalanceStatisticsParamPtrs struct {
+	ctx    *context.Context
+	userID *int
+}
+
+// UserServiceMockGetBalanceStatisticsResults contains results of the UserService.GetBalanceStatistics
+type UserServiceMockGetBalanceStatisticsResults struct {
+	bp1 *mm_service.BalanceStatistics
+	err error
+}
+
+// UserServiceMockGetBalanceStatisticsOrigins contains origins of expectations of the UserService.GetBalanceStatistics
+type UserServiceMockGetBalanceStatisticsExpectationOrigins struct {
+	origin       string
+	originCtx    string
+	originUserID string
+}
+
+// Marks this method to be optional. The default behavior of any method with Return() is '1 or more', meaning
+// the test will fail minimock's automatic final call check if the mocked method was not called at least once.
+// Optional() makes method check to work in '0 or more' mode.
+// It is NOT RECOMMENDED to use this option unless you really need it, as default behaviour helps to
+// catch the problems when the expected method call is totally skipped during test run.
+func (mmGetBalanceStatistics *mUserServiceMockGetBalanceStatistics) Optional() *mUserServiceMockGetBalanceStatistics {
+	mmGetBalanceStatistics.optional = true
+	return mmGetBalanceStatistics
+}
+
+// Expect sets up expected params for UserService.GetBalanceStatistics
+func (mmGetBalanceStatistics *mUserServiceMockGetBalanceStatistics) Expect(ctx context.Context, userID int) *mUserServiceMockGetBalanceStatistics {
+	if mmGetBalanceStatistics.mock.funcGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("UserServiceMock.GetBalanceStatistics mock is already set by Set")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation == nil {
+		mmGetBalanceStatistics.defaultExpectation = &UserServiceMockGetBalanceStatisticsExpectation{}
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation.paramPtrs != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("UserServiceMock.GetBalanceStatistics mock is already set by ExpectParams functions")
+	}
+
+	mmGetBalanceStatistics.defaultExpectation.params = &UserServiceMockGetBalanceStatisticsParams{ctx, userID}
+	mmGetBalanceStatistics.defaultExpectation.expectationOrigins.origin = minimock.CallerInfo(1)
+	for _, e := range mmGetBalanceStatistics.expectations {
+		if minimock.Equal(e.params, mmGetBalanceStatistics.defaultExpectation.params) {
+			mmGetBalanceStatistics.mock.t.Fatalf("Expectation set by When has same params: %#v", *mmGetBalanceStatistics.defaultExpectation.params)
+		}
+	}
+
+	return mmGetBalanceStatistics
+}
+
+// ExpectCtxParam1 sets up expected param ctx for UserService.GetBalanceStatistics
+func (mmGetBalanceStatistics *mUserServiceMockGetBalanceStatistics) ExpectCtxParam1(ctx context.Context) *mUserServiceMockGetBalanceStatistics {
+	if mmGetBalanceStatistics.mock.funcGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("UserServiceMock.GetBalanceStatistics mock is already set by Set")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation == nil {
+		mmGetBalanceStatistics.defaultExpectation = &UserServiceMockGetBalanceStatisticsExpectation{}
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation.params != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("UserServiceMock.GetBalanceStatistics mock is already set by Expect")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation.paramPtrs == nil {
+		mmGetBalanceStatistics.defaultExpectation.paramPtrs = &UserServiceMockGetBalanceStatisticsParamPtrs{}
+	}
+	mmGetBalanceStatistics.defaultExpectation.paramPtrs.ctx = &ctx
+	mmGetBalanceStatistics.defaultExpectation.expectationOrigins.originCtx = minimock.CallerInfo(1)
+
+	return mmGetBalanceStatistics
+}
+
+// ExpectUserIDParam2 sets up expected param userID for UserService.GetBalanceStatistics
+func (mmGetBalanceStatistics *mUserServiceMockGetBalanceStatistics) ExpectUserIDParam2(userID int) *mUserServiceMockGetBalanceStatistics {
+	if mmGetBalanceStatistics.mock.funcGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("UserServiceMock.GetBalanceStatistics mock is already set by Set")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation == nil {
+		mmGetBalanceStatistics.defaultExpectation = &UserServiceMockGetBalanceStatisticsExpectation{}
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation.params != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("UserServiceMock.GetBalanceStatistics mock is already set by Expect")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation.paramPtrs == nil {
+		mmGetBalanceStatistics.defaultExpectation.paramPtrs = &UserServiceMockGetBalanceStatisticsParamPtrs{}
+	}
+	mmGetBalanceStatistics.defaultExpectation.paramPtrs.userID = &userID
+	mmGetBalanceStatistics.defaultExpectation.expectationOrigins.originUserID = minimock.CallerInfo(1)
+
+	return mmGetBalanceStatistics
+}
+
+// Inspect accepts an inspector function that has same arguments as the UserService.GetBalanceStatistics
+func (mmGetBalanceStatistics *mUserServiceMockGetBalanceStatistics) Inspect(f func(ctx context.Context, userID int)) *mUserServiceMockGetBalanceStatistics {
+	if mmGetBalanceStatistics.mock.inspectFuncGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("Inspect function is already set for UserServiceMock.GetBalanceStatistics")
+	}
+
+	mmGetBalanceStatistics.mock.inspectFuncGetBalanceStatistics = f
+
+	return mmGetBalanceStatistics
+}
+
+// Return sets up results that will be returned by UserService.GetBalanceStatistics
+func (mmGetBalanceStatistics *mUserServiceMockGetBalanceStatistics) Return(bp1 *mm_service.BalanceStatistics, err error) *UserServiceMock {
+	if mmGetBalanceStatistics.mock.funcGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("UserServiceMock.GetBalanceStatistics mock is already set by Set")
+	}
+
+	if mmGetBalanceStatistics.defaultExpectation == nil {
+		mmGetBalanceStatistics.defaultExpectation = &UserServiceMockGetBalanceStatisticsExpectation{mock: mmGetBalanceStatistics.mock}
+	}
+	mmGetBalanceStatistics.defaultExpectation.results = &UserServiceMockGetBalanceStatisticsResults{bp1, err}
+	mmGetBalanceStatistics.defaultExpectation.returnOrigin = minimock.CallerInfo(1)
+	return mmGetBalanceStatistics.mock
+}
+
+// Set uses given function f to mock the UserService.GetBalanceStatistics method
+func (mmGetBalanceStatistics *mUserServiceMockGetBalanceStatistics) Set(f func(ctx context.Context, userID int) (bp1 *mm_service.BalanceStatistics, err error)) *UserServiceMock {
+	if mmGetBalanceStatistics.defaultExpectation != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("Default expectation is already set for the UserService.GetBalanceStatistics method")
+	}
+
+	if len(mmGetBalanceStatistics.expectations) > 0 {
+		mmGetBalanceStatistics.mock.t.Fatalf("Some expectations are already set for the UserService.GetBalanceStatistics method")
+	}
+
+	mmGetBalanceStatistics.mock.funcGetBalanceStatistics = f
+	mmGetBalanceStatistics.mock.funcGetBalanceStatisticsOrigin = minimock.CallerInfo(1)
+	return mmGetBalanceStatistics.mock
+}
+
+// When sets expectation for the UserService.GetBalanceStatistics which will trigger the result defined by the following
+// Then helper
+func (mmGetBalanceStatistics *mUserServiceMockGetBalanceStatistics) When(ctx context.Context, userID int) *UserServiceMockGetBalanceStatisticsExpectation {
+	if mmGetBalanceStatistics.mock.funcGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.mock.t.Fatalf("UserServiceMock.GetBalanceStatistics mock is already set by Set")
+	}
+
+	expectation := &UserServiceMockGetBalanceStatisticsExpectation{
+		mock:               mmGetBalanceStatistics.mock,
+		params:             &UserServiceMockGetBalanceStatisticsParams{ctx, userID},
+		expectationOrigins: UserServiceMockGetBalanceStatisticsExpectationOrigins{origin: minimock.CallerInfo(1)},
+	}
+	mmGetBalanceStatistics.expectations = append(mmGetBalanceStatistics.expectations, expectation)
+	return expectation
+}
+
+// Then sets up UserService.GetBalanceStatistics return parameters for the expectation previously defined by the When method
+func (e *UserServiceMockGetBalanceStatisticsExpectation) Then(bp1 *mm_service.BalanceStatistics, err error) *UserServiceMock {
+	e.results = &UserServiceMockGetBalanceStatisticsResults{bp1, err}
+	return e.mock
+}
+
+// Times sets number of times UserService.GetBalanceStatistics should be invoked
+func (mmGetBalanceStatistics *mUserServiceMockGetBalanceStatistics) Times(n uint64) *mUserServiceMockGetBalanceStatistics {
+	if n == 0 {
+		mmGetBalanceStatistics.mock.t.Fatalf("Times of UserServiceMock.GetBalanceStatistics mock can not be zero")
+	}
+	mm_atomic.StoreUint64(&mmGetBalanceStatistics.expectedInvocations, n)
+	mmGetBalanceStatistics.expectedInvocationsOrigin = minimock.CallerInfo(1)
+	return mmGetBalanceStatistics
+}
+
+func (mmGetBalanceStatistics *mUserServiceMockGetBalanceStatistics) invocationsDone() bool {
+	if len(mmGetBalanceStatistics.expectations) == 0 && mmGetBalanceStatistics.defaultExpectation == nil && mmGetBalanceStatistics.mock.funcGetBalanceStatistics == nil {
+		return true
+	}
+
+	totalInvocations := mm_atomic.LoadUint64(&mmGetBalanceStatistics.mock.afterGetBalanceStatisticsCounter)
+	expectedInvocations := mm_atomic.LoadUint64(&mmGetBalanceStatistics.expectedInvocations)
+
+	return totalInvocations > 0 && (expectedInvocations == 0 || expectedInvocations == totalInvocations)
+}
+
+// GetBalanceStatistics implements mm_service.UserService
+func (mmGetBalanceStatistics *UserServiceMock) GetBalanceStatistics(ctx context.Context, userID int) (bp1 *mm_service.BalanceStatistics, err error) {
+	mm_atomic.AddUint64(&mmGetBalanceStatistics.beforeGetBalanceStatisticsCounter, 1)
+	defer mm_atomic.AddUint64(&mmGetBalanceStatistics.afterGetBalanceStatisticsCounter, 1)
+
+	mmGetBalanceStatistics.t.Helper()
+
+	if mmGetBalanceStatistics.inspectFuncGetBalanceStatistics != nil {
+		mmGetBalanceStatistics.inspectFuncGetBalanceStatistics(ctx, userID)
+	}
+
+	mm_params := UserServiceMockGetBalanceStatisticsParams{ctx, userID}
+
+	// Record call args
+	mmGetBalanceStatistics.GetBalanceStatisticsMock.mutex.Lock()
+	mmGetBalanceStatistics.GetBalanceStatisticsMock.callArgs = append(mmGetBalanceStatistics.GetBalanceStatisticsMock.callArgs, &mm_params)
+	mmGetBalanceStatistics.GetBalanceStatisticsMock.mutex.Unlock()
+
+	for _, e := range mmGetBalanceStatistics.GetBalanceStatisticsMock.expectations {
+		if minimock.Equal(*e.params, mm_params) {
+			mm_atomic.AddUint64(&e.Counter, 1)
+			return e.results.bp1, e.results.err
+		}
+	}
+
+	if mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation != nil {
+		mm_atomic.AddUint64(&mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.Counter, 1)
+		mm_want := mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.params
+		mm_want_ptrs := mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.paramPtrs
+
+		mm_got := UserServiceMockGetBalanceStatisticsParams{ctx, userID}
+
+		if mm_want_ptrs != nil {
+
+			if mm_want_ptrs.ctx != nil && !minimock.Equal(*mm_want_ptrs.ctx, mm_got.ctx) {
+				mmGetBalanceStatistics.t.Errorf("UserServiceMock.GetBalanceStatistics got unexpected parameter ctx, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.expectationOrigins.originCtx, *mm_want_ptrs.ctx, mm_got.ctx, minimock.Diff(*mm_want_ptrs.ctx, mm_got.ctx))
+			}
+
+			if mm_want_ptrs.userID != nil && !minimock.Equal(*mm_want_ptrs.userID, mm_got.userID) {
+				mmGetBalanceStatistics.t.Errorf("UserServiceMock.GetBalanceStatistics got unexpected parameter userID, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+					mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.expectationOrigins.originUserID, *mm_want_ptrs.userID, mm_got.userID, minimock.Diff(*mm_want_ptrs.userID, mm_got.userID))
+			}
+
+		} else if mm_want != nil && !minimock.Equal(*mm_want, mm_got) {
+			mmGetBalanceStatistics.t.Errorf("UserServiceMock.GetBalanceStatistics got unexpected parameters, expected at\n%s:\nwant: %#v\n got: %#v%s\n",
+				mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.expectationOrigins.origin, *mm_want, mm_got, minimock.Diff(*mm_want, mm_got))
+		}
+
+		mm_results := mmGetBalanceStatistics.GetBalanceStatisticsMock.defaultExpectation.results
+		if mm_results == nil {
+			mmGetBalanceStatistics.t.Fatal("No results are set for the UserServiceMock.GetBalanceStatistics")
+		}
+		return (*mm_results).bp1, (*mm_results).err
+	}
+	if mmGetBalanceStatistics.funcGetBalanceStatistics != nil {
+		return mmGetBalanceStatistics.funcGetBalanceStatistics(ctx, userID)
+	}
+	mmGetBalanceStatistics.t.Fatalf("Unexpected call to UserServiceMock.GetBalanceStatistics. %v %v", ctx, userID)
+	return
+}
+
+// GetBalanceStatisticsAfterCounter returns a count of finished UserServiceMock.GetBalanceStatistics invocations
+func (mmGetBalanceStatistics *UserServiceMock) GetBalanceStatisticsAfterCounter() uint64 {
+	return mm_atomic.LoadUint64(&mmGetBalanceStatistics.afterGetBalanceStatisticsCounter)
+}
+
+// GetBalanceStatisticsBeforeCounter returns a count of UserServiceMock.GetBalanceStatistics invocations
+func (mmGetBalanceStatistics *UserServiceMock) GetBalanceStatisticsBeforeCounter() uint64 {
+	return mm_atomic.LoadUint64(&mmGetBalanceStatistics.beforeGetBalanceStatisticsCounter)
+}
+
+// Calls returns a list of arguments used in each call to UserServiceMock.GetBalanceStatistics.
+// The list is in the same order as the calls were made (i.e. recent calls have a higher index)
+func (mmGetBalanceStatistics *mUserServiceMockGetBalanceStatistics) Calls() []*UserServiceMockGetBalanceStatisticsParams {
+	mmGetBalanceStatistics.mutex.RLock()
+
+	argCopy := make([]*UserServiceMockGetBalanceStatisticsParams, len(mmGetBalanceStatistics.callArgs))
+	copy(argCopy, mmGetBalanceStatistics.callArgs)
+
+	mmGetBalanceStatistics.mutex.RUnlock()
+
+	return argCopy
+}
+
+// MinimockGetBalanceStatisticsDone returns true if the count of the GetBalanceStatistics invocations corresponds
+// the number of defined expectations
+func (m *UserServiceMock) MinimockGetBalanceStatisticsDone() bool {
+	if m.GetBalanceStatisticsMock.optional {
+		// Optional methods provide '0 or more' call count restriction.
+		return true
+	}
+
+	for _, e := range m.GetBalanceStatisticsMock.expectations {
+		if mm_atomic.LoadUint64(&e.Counter) < 1 {
+			return false
+		}
+	}
+
+	return m.GetBalanceStatisticsMock.invocationsDone()
+}
+
+// MinimockGetBalanceStatisticsInspect logs each unmet expectation
+func (m *UserServiceMock) MinimockGetBalanceStatisticsInspect() {
+	for _, e := range m.GetBalanceStatisticsMock.expectations {
+		if mm_atomic.LoadUint64(&e.Counter) < 1 {
+			m.t.Errorf("Expected call to UserServiceMock.GetBalanceStatistics at\n%s with params: %#v", e.expectationOrigins.origin, *e.params)
+		}
+	}
+
+	afterGetBalanceStatisticsCounter := mm_atomic.LoadUint64(&m.afterGetBalanceStatisticsCounter)
+	// if default expectation was set then invocations count should be greater than zero
+	if m.GetBalanceStatisticsMock.defaultExpectation != nil && afterGetBalanceStatisticsCounter < 1 {
+		if m.GetBalanceStatisticsMock.defaultExpectation.params == nil {
+			m.t.Errorf("Expected call to UserServiceMock.GetBalanceStatistics at\n%s", m.GetBalanceStatisticsMock.defaultExpectation.returnOrigin)
+		} else {
+			m.t.Errorf("Expected call to UserServiceMock.GetBalanceStatistics at\n%s with params: %#v", m.GetBalanceStatisticsMock.defaultExpectation.expectationOrigins.origin, *m.GetBalanceStatisticsMock.defaultExpectation.params)
+		}
+	}
+	// if func was set then invocations count should be greater than zero
+	if m.funcGetBalanceStatistics != nil && afterGetBalanceStatisticsCounter < 1 {
+		m.t.Errorf("Expected call to UserServiceMock.GetBalanceStatistics at\n%s", m.funcGetBalanceStatisticsOrigin)
+	}
+
+	if !m.GetBalanceStatisticsMock.invocationsDone() && afterGetBalanceStatisticsCounter > 0 {
+		m.t.Errorf("Expected %d calls to UserServiceMock.GetBalanceStatistics at\n%s but found %d calls",
+			mm_atomic.LoadUint64(&m.GetBalanceStatisticsMock.expectedInvocations), m.GetBalanceStatisticsMock.expectedInvocationsOrigin, afterGetBalanceStatisticsCounter)
+	}
+}
+
 type mUserServiceMockGetInfo struct {
 	optional           bool
 	mock               *UserServiceMock
@@ -1098,6 +1451,8 @@ func (m *UserServiceMock) MinimockFinish() {
 		if !m.minimockDone() {
 			m.MinimockGetBalanceInspect()
 
+			m.MinimockGetBalanceStatisticsInspect()
+
 			m.MinimockGetInfoInspect()
 
 			m.MinimockGetStatisticsInspect()
@@ -1125,6 +1480,7 @@ func (m *UserServiceMock) minimockDone() bool {
 	done := true
 	return done &&
 		m.MinimockGetBalanceDone() &&
+		m.MinimockGetBalanceStatisticsDone() &&
 		m.MinimockGetInfoDone() &&
 		m.MinimockGetStatisticsDone()
 }

internal/model/invite.go

@@ -7,7 +7,6 @@ type InviteCode struct {
 	UserID         int
 	Code           int64
 	CanBeUsedCount int
-	UsedCount      int
 	IsActive       bool
 	CreatedAt      time.Time
 	ExpiresAt      time.Time

internal/model/supplier.go

@@ -26,3 +26,9 @@ type TokenUsage struct {
 	Type               string
 	CreatedAt          time.Time
 }
+
+type WriteOffHistory struct {
+	OperationID string
+	Data        string
+	Amount      float64
+}

internal/repository/interfaces.go

@@ -37,7 +37,7 @@ type InviteRepository interface {
 	CreateTx(ctx context.Context, tx pgx.Tx, invite *model.InviteCode) error
 	FindByCode(ctx context.Context, code int64) (*model.InviteCode, error)
 	FindActiveByCode(ctx context.Context, code int64) (*model.InviteCode, error)
-	IncrementUsedCount(ctx context.Context, code int64) error
+	FindActiveByUserID(ctx context.Context, userID int) (*model.InviteCode, error)
 	DecrementCanBeUsedCountTx(ctx context.Context, tx pgx.Tx, code int64) error
 	DeactivateExpired(ctx context.Context) (int, error)
 	GetUserInvites(ctx context.Context, userID int) ([]*model.InviteCode, error)
@@ -52,6 +52,7 @@ type RequestRepository interface {
 	GetByID(ctx context.Context, id uuid.UUID) (*model.Request, error)
 	GetDetailByID(ctx context.Context, id uuid.UUID) (*model.RequestDetail, error)
 	GetUserStatistics(ctx context.Context, userID int) (requestsCount, suppliersCount, createdTZ int, err error)
+	CheckOwnership(ctx context.Context, requestID uuid.UUID, userID int) (bool, error)
 }
 
 type SupplierRepository interface {
@@ -64,4 +65,5 @@ type SupplierRepository interface {
 type TokenUsageRepository interface {
 	Create(ctx context.Context, usage *model.TokenUsage) error
 	CreateTx(ctx context.Context, tx pgx.Tx, usage *model.TokenUsage) error
+	GetBalanceStatistics(ctx context.Context, userID int) (averageCost float64, history []*model.WriteOffHistory, err error)
 }

internal/repository/invite.go

@@ -53,7 +53,7 @@ func (r *inviteRepository) createWithExecutor(ctx context.Context, exec DBTX, in
 
 func (r *inviteRepository) FindByCode(ctx context.Context, code int64) (*model.InviteCode, error) {
 	query := r.qb.Select(
-		"id", "user_id", "code", "can_be_used_count", "used_count",
+		"id", "user_id", "code", "can_be_used_count",
 		"is_active", "created_at", "expires_at",
 	).From("invite_codes").Where(sq.Eq{"code": code})
 
@@ -65,7 +65,7 @@ func (r *inviteRepository) FindByCode(ctx context.Context, code int64) (*model.I
 	invite := &model.InviteCode{}
 	err = r.pool.QueryRow(ctx, sqlQuery, args...).Scan(
 		&invite.ID, &invite.UserID, &invite.Code, &invite.CanBeUsedCount,
-		&invite.UsedCount, &invite.IsActive, &invite.CreatedAt, &invite.ExpiresAt,
+		&invite.IsActive, &invite.CreatedAt, &invite.ExpiresAt,
 	)
 
 	if errors.Is(err, pgx.ErrNoRows) {
@@ -80,13 +80,13 @@ func (r *inviteRepository) FindByCode(ctx context.Context, code int64) (*model.I
 
 func (r *inviteRepository) FindActiveByCode(ctx context.Context, code int64) (*model.InviteCode, error) {
 	query := r.qb.Select(
-		"id", "user_id", "code", "can_be_used_count", "used_count",
+		"id", "user_id", "code", "can_be_used_count",
 		"is_active", "created_at", "expires_at",
 	).From("invite_codes").Where(sq.And{
 		sq.Eq{"code": code},
 		sq.Eq{"is_active": true},
 		sq.Expr("expires_at > now()"),
-		sq.Expr("can_be_used_count > used_count"),
+		sq.Expr("can_be_used_count > 0"),
 	})
 
 	sqlQuery, args, err := query.ToSql()
@@ -97,7 +97,7 @@ func (r *inviteRepository) FindActiveByCode(ctx context.Context, code int64) (*m
 	invite := &model.InviteCode{}
 	err = r.pool.QueryRow(ctx, sqlQuery, args...).Scan(
 		&invite.ID, &invite.UserID, &invite.Code, &invite.CanBeUsedCount,
-		&invite.UsedCount, &invite.IsActive, &invite.CreatedAt, &invite.ExpiresAt,
+		&invite.IsActive, &invite.CreatedAt, &invite.ExpiresAt,
 	)
 
 	if errors.Is(err, pgx.ErrNoRows) {
@@ -110,40 +110,63 @@ func (r *inviteRepository) FindActiveByCode(ctx context.Context, code int64) (*m
 	return invite, nil
 }
 
-func (r *inviteRepository) IncrementUsedCount(ctx context.Context, code int64) error {
-	query := r.qb.Update("invite_codes").
-		Set("used_count", sq.Expr("used_count + 1")).
-		Where(sq.Eq{"code": code})
+func (r *inviteRepository) FindActiveByUserID(ctx context.Context, userID int) (*model.InviteCode, error) {
+	query := r.qb.Select(
+		"id", "user_id", "code", "can_be_used_count",
+		"is_active", "created_at", "expires_at",
+	).From("invite_codes").Where(sq.And{
+		sq.Eq{"user_id": userID},
+		sq.Eq{"is_active": true},
+		sq.Expr("expires_at > now()"),
+		sq.Expr("can_be_used_count > 0"),
+	}).OrderBy("created_at DESC").Limit(1)
 
 	sqlQuery, args, err := query.ToSql()
 	if err != nil {
-		return errs.NewInternalError(errs.DatabaseError, "failed to build query", err)
+		return nil, errs.NewInternalError(errs.DatabaseError, "failed to build query", err)
 	}
 
-	_, err = r.pool.Exec(ctx, sqlQuery, args...)
+	invite := &model.InviteCode{}
+	err = r.pool.QueryRow(ctx, sqlQuery, args...).Scan(
+		&invite.ID, &invite.UserID, &invite.Code, &invite.CanBeUsedCount,
+		&invite.IsActive, &invite.CreatedAt, &invite.ExpiresAt,
+	)
+
+	if errors.Is(err, pgx.ErrNoRows) {
+		return nil, errs.NewBusinessError(errs.InviteInvalidOrExpired, "no active invite code found")
+	}
 	if err != nil {
-		return errs.NewInternalError(errs.DatabaseError, "failed to increment used count", err)
+		return nil, errs.NewInternalError(errs.DatabaseError, "failed to find active invite code by user", err)
 	}
 
-	return nil
+	return invite, nil
 }
 
 func (r *inviteRepository) DecrementCanBeUsedCountTx(ctx context.Context, tx pgx.Tx, code int64) error {
 	query := r.qb.Update("invite_codes").
-		Set("used_count", sq.Expr("used_count + 1")).
-		Set("is_active", sq.Expr("CASE WHEN used_count + 1 >= can_be_used_count THEN false ELSE is_active END")).
-		Where(sq.Eq{"code": code})
+		Set("can_be_used_count", sq.Expr("can_be_used_count - 1")).
+		Set("is_active", sq.Expr("CASE WHEN can_be_used_count - 1 <= 0 THEN false ELSE is_active END")).
+		Where(sq.And{
+			sq.Eq{"code": code},
+			sq.Expr("can_be_used_count > 0"),
+			sq.Eq{"is_active": true},
+			sq.Expr("expires_at > now()"),
+		})
 
 	sqlQuery, args, err := query.ToSql()
 	if err != nil {
 		return errs.NewInternalError(errs.DatabaseError, "failed to build query", err)
 	}
 
-	_, err = tx.Exec(ctx, sqlQuery, args...)
+	result, err := tx.Exec(ctx, sqlQuery, args...)
 	if err != nil {
 		return errs.NewInternalError(errs.DatabaseError, "failed to decrement can_be_used_count", err)
 	}
 
+	if result.RowsAffected() == 0 {
+		return errs.NewBusinessError(errs.InviteInvalidOrExpired, "invite code is invalid, expired, or exhausted")
+	}
+
 	return nil
 }
 
@@ -170,7 +193,7 @@ func (r *inviteRepository) DeactivateExpired(ctx context.Context) (int, error) {
 
 func (r *inviteRepository) GetUserInvites(ctx context.Context, userID int) ([]*model.InviteCode, error) {
 	query := r.qb.Select(
-		"id", "user_id", "code", "can_be_used_count", "used_count",
+		"id", "user_id", "code", "can_be_used_count",
 		"is_active", "created_at", "expires_at",
 	).From("invite_codes").
 		Where(sq.Eq{"user_id": userID}).
@@ -192,7 +215,7 @@ func (r *inviteRepository) GetUserInvites(ctx context.Context, userID int) ([]*m
 		invite := &model.InviteCode{}
 		err := rows.Scan(
 			&invite.ID, &invite.UserID, &invite.Code, &invite.CanBeUsedCount,
-			&invite.UsedCount, &invite.IsActive, &invite.CreatedAt, &invite.ExpiresAt,
+			&invite.IsActive, &invite.CreatedAt, &invite.ExpiresAt,
 		)
 		if err != nil {
 			return nil, errs.NewInternalError(errs.DatabaseError, "failed to scan invite", err)

internal/repository/request.go

@@ -153,30 +153,33 @@ func (r *requestRepository) GetByID(ctx context.Context, id uuid.UUID) (*model.R
 }
 
 func (r *requestRepository) GetDetailByID(ctx context.Context, id uuid.UUID) (*model.RequestDetail, error) {
-	sqlQuery := `
-		SELECT 
-			r.id AS request_id,
-			r.request_txt AS title,
-			r.final_update_tz AS mail_text,
-			COALESCE(json_agg(
-				json_build_object(
-					'email', COALESCE(s.email, ''),
-					'phone', COALESCE(s.phone, ''),
-					'company_name', COALESCE(s.name, ''),
-					'company_id', s.id,
-					'url', COALESCE(s.url, '')
-				)
-			) FILTER (WHERE s.id IS NOT NULL), '[]') AS suppliers
-		FROM requests_for_suppliers r
-		LEFT JOIN suppliers s ON s.request_id = r.id
-		WHERE r.id = $1
-		GROUP BY r.id, r.request_txt, r.final_update_tz
-	`
+	query := r.qb.Select(
+		"r.id AS request_id",
+		"r.request_txt AS title",
+		"r.final_update_tz AS mail_text",
+		`COALESCE(json_agg(
+			json_build_object(
+				'email', COALESCE(s.email, ''),
+				'phone', COALESCE(s.phone, ''),
+				'company_name', COALESCE(s.name, ''),
+				'company_id', s.id,
+				'url', COALESCE(s.url, '')
+			)
+		) FILTER (WHERE s.id IS NOT NULL), '[]') AS suppliers`,
+	).From("requests_for_suppliers r").
+		LeftJoin("suppliers s ON s.request_id = r.id").
+		Where(sq.Eq{"r.id": id}).
+		GroupBy("r.id", "r.request_txt", "r.final_update_tz")
+
+	sqlQuery, args, err := query.ToSql()
+	if err != nil {
+		return nil, errs.NewInternalError(errs.DatabaseError, "failed to build query", err)
+	}
 
 	detail := &model.RequestDetail{}
 	var suppliersJSON []byte
 
-	err := r.pool.QueryRow(ctx, sqlQuery, id).Scan(
+	err = r.pool.QueryRow(ctx, sqlQuery, args...).Scan(
 		&detail.RequestID, &detail.Title, &detail.MailText, &suppliersJSON,
 	)
 
@@ -197,20 +200,44 @@ func (r *requestRepository) GetDetailByID(ctx context.Context, id uuid.UUID) (*m
 }
 
 func (r *requestRepository) GetUserStatistics(ctx context.Context, userID int) (requestsCount, suppliersCount, createdTZ int, err error) {
-	sqlQuery := `
-		SELECT 
-			COUNT(DISTINCT r.id) AS requests_count,
-			COUNT(s.id) AS suppliers_count,
-			COUNT(r.request_txt) AS created_tz
-		FROM requests_for_suppliers r
-		LEFT JOIN suppliers s ON s.request_id = r.id
-		WHERE r.user_id = $1
-	`
+	query := r.qb.Select(
+		"COUNT(DISTINCT r.id) AS requests_count",
+		"COUNT(s.id) AS suppliers_count",
+		"COUNT(DISTINCT CASE WHEN r.request_txt IS NOT NULL THEN r.id END) AS created_tz",
+	).From("requests_for_suppliers r").
+		LeftJoin("suppliers s ON s.request_id = r.id").
+		Where(sq.Eq{"r.user_id": userID})
 
-	err = r.pool.QueryRow(ctx, sqlQuery, userID).Scan(&requestsCount, &suppliersCount, &createdTZ)
+	sqlQuery, args, err := query.ToSql()
+	if err != nil {
+		return 0, 0, 0, errs.NewInternalError(errs.DatabaseError, "failed to build query", err)
+	}
+
+	err = r.pool.QueryRow(ctx, sqlQuery, args...).Scan(&requestsCount, &suppliersCount, &createdTZ)
 	if err != nil {
 		return 0, 0, 0, errs.NewInternalError(errs.DatabaseError, "failed to get statistics", err)
 	}
 
 	return requestsCount, suppliersCount, createdTZ, nil
 }
+
+func (r *requestRepository) CheckOwnership(ctx context.Context, requestID uuid.UUID, userID int) (bool, error) {
+	query := r.qb.Select("1").From("requests_for_suppliers").
+		Where(sq.Eq{"id": requestID, "user_id": userID})
+
+	sqlQuery, args, err := query.ToSql()
+	if err != nil {
+		return false, errs.NewInternalError(errs.DatabaseError, "failed to build query", err)
+	}
+
+	var exists int
+	err = r.pool.QueryRow(ctx, sqlQuery, args...).Scan(&exists)
+	if errors.Is(err, pgx.ErrNoRows) {
+		return false, nil
+	}
+	if err != nil {
+		return false, errs.NewInternalError(errs.DatabaseError, "failed to check ownership", err)
+	}
+
+	return true, nil
+}

internal/repository/supplier.go

@@ -44,15 +44,30 @@ func (r *supplierRepository) bulkInsertWithExecutor(ctx context.Context, exec DB
 		query = query.Values(requestID, s.Name, s.Email, s.Phone, s.Address, s.URL)
 	}
 
+	query = query.Suffix("RETURNING id")
+
 	sqlQuery, args, err := query.ToSql()
 	if err != nil {
 		return errs.NewInternalError(errs.DatabaseError, "failed to build query", err)
 	}
 
-	_, err = exec.Exec(ctx, sqlQuery, args...)
+	rows, err := exec.Query(ctx, sqlQuery, args...)
 	if err != nil {
 		return errs.NewInternalError(errs.DatabaseError, "failed to bulk insert suppliers", err)
 	}
+	defer rows.Close()
+
+	i := 0
+	for rows.Next() {
+		if i >= len(suppliers) {
+			break
+		}
+		if err := rows.Scan(&suppliers[i].ID); err != nil {
+			return errs.NewInternalError(errs.DatabaseError, "failed to scan supplier id", err)
+		}
+		suppliers[i].RequestID = requestID
+		i++
+	}
 
 	return nil
 }

internal/repository/token_usage.go

@@ -2,6 +2,7 @@ package repository
 
 import (
 	"context"
+	"strconv"
 
 	"git.techease.ru/Smart-search/smart-search-back/internal/model"
 	errs "git.techease.ru/Smart-search/smart-search-back/pkg/errors"
@@ -49,3 +50,59 @@ func (r *tokenUsageRepository) createWithExecutor(ctx context.Context, exec DBTX
 
 	return nil
 }
+
+func (r *tokenUsageRepository) GetBalanceStatistics(ctx context.Context, userID int) (float64, []*model.WriteOffHistory, error) {
+	avgQuery := r.qb.Select("ROUND(COALESCE(AVG(COALESCE(rtu.token_cost, 0)), 0)::numeric, 2)").
+		From("request_token_usage rtu").
+		Join("requests_for_suppliers rfs ON rtu.request_id = rfs.id").
+		Where(sq.Eq{"rfs.user_id": userID})
+
+	avgSQL, avgArgs, err := avgQuery.ToSql()
+	if err != nil {
+		return 0, nil, errs.NewInternalError(errs.DatabaseError, "failed to build average query", err)
+	}
+
+	var averageCost float64
+	if err := r.pool.QueryRow(ctx, avgSQL, avgArgs...).Scan(&averageCost); err != nil {
+		return 0, nil, errs.NewInternalError(errs.DatabaseError, "failed to get average cost", err)
+	}
+
+	historyQuery := r.qb.Select(
+		"rtu.id",
+		"TO_CHAR(rtu.created_at, 'DD-MM-YYYY')",
+		"ROUND(COALESCE(rtu.token_cost, 0)::numeric, 2)",
+	).
+		From("request_token_usage rtu").
+		Join("requests_for_suppliers rfs ON rtu.request_id = rfs.id").
+		Where(sq.Eq{"rfs.user_id": userID}).
+		OrderBy("rtu.created_at DESC").
+		Limit(8)
+
+	historySQL, historyArgs, err := historyQuery.ToSql()
+	if err != nil {
+		return 0, nil, errs.NewInternalError(errs.DatabaseError, "failed to build history query", err)
+	}
+
+	rows, err := r.pool.Query(ctx, historySQL, historyArgs...)
+	if err != nil {
+		return 0, nil, errs.NewInternalError(errs.DatabaseError, "failed to get write-off history", err)
+	}
+	defer rows.Close()
+
+	var history []*model.WriteOffHistory
+	for rows.Next() {
+		var operationID int
+		var item model.WriteOffHistory
+		if err := rows.Scan(&operationID, &item.Data, &item.Amount); err != nil {
+			return 0, nil, errs.NewInternalError(errs.DatabaseError, "failed to scan write-off history", err)
+		}
+		item.OperationID = strconv.Itoa(operationID)
+		history = append(history, &item)
+	}
+
+	if err := rows.Err(); err != nil {
+		return 0, nil, errs.NewInternalError(errs.DatabaseError, "failed to iterate write-off history", err)
+	}
+
+	return averageCost, history, nil
+}

internal/service/auth.go

@@ -61,7 +61,7 @@ func (s *authService) Login(ctx context.Context, email, password, ip, userAgent
 		RefreshToken: refreshToken,
 		IP:           ip,
 		UserAgent:    userAgent,
-		ExpiresAt:    time.Now().Add(30 * 24 * time.Hour),
+		ExpiresAt:    time.Now().Add(24 * time.Hour),
 	}
 
 	if err := s.sessionRepo.Create(ctx, session); err != nil {
@@ -175,7 +175,7 @@ func (s *authService) Register(ctx context.Context, email, password, name, phone
 		RefreshToken: refreshToken,
 		IP:           ip,
 		UserAgent:    userAgent,
-		ExpiresAt:    time.Now().Add(30 * 24 * time.Hour),
+		ExpiresAt:    time.Now().Add(24 * time.Hour),
 	}
 
 	if err := s.sessionRepo.Create(ctx, session); err != nil {

internal/service/interfaces.go

@@ -20,20 +20,21 @@ type UserService interface {
 	GetInfo(ctx context.Context, userID int) (*UserInfo, error)
 	GetBalance(ctx context.Context, userID int) (float64, error)
 	GetStatistics(ctx context.Context, userID int) (*Statistics, error)
+	GetBalanceStatistics(ctx context.Context, userID int) (*BalanceStatistics, error)
 }
 
 type InviteService interface {
 	Generate(ctx context.Context, userID, maxUses, ttlDays int) (*model.InviteCode, error)
-	GetInfo(ctx context.Context, code int64) (*model.InviteCode, error)
+	GetInfo(ctx context.Context, userID int) (*model.InviteCode, error)
 }
 
 type RequestService interface {
-	CreateTZ(ctx context.Context, userID int, requestTxt string) (uuid.UUID, string, error)
+	CreateTZ(ctx context.Context, userID int, requestTxt string, fileData []byte, fileName string) (uuid.UUID, string, error)
 	ApproveTZ(ctx context.Context, requestID uuid.UUID, tzText string, userID int) ([]*model.Supplier, error)
 	GetMailingList(ctx context.Context, userID int) ([]*model.Request, error)
-	GetMailingListByID(ctx context.Context, requestID uuid.UUID) (*model.RequestDetail, error)
+	GetMailingListByID(ctx context.Context, requestID uuid.UUID, userID int) (*model.RequestDetail, error)
 }
 
 type SupplierService interface {
-	ExportExcel(ctx context.Context, requestID uuid.UUID) ([]byte, error)
+	ExportExcel(ctx context.Context, requestID uuid.UUID, userID int) ([]byte, error)
 }

internal/service/invite.go

@@ -63,6 +63,6 @@ func (s *inviteService) Generate(ctx context.Context, userID, maxUses, ttlDays i
 	return invite, nil
 }
 
-func (s *inviteService) GetInfo(ctx context.Context, code int64) (*model.InviteCode, error) {
-	return s.inviteRepo.FindByCode(ctx, code)
+func (s *inviteService) GetInfo(ctx context.Context, userID int) (*model.InviteCode, error) {
+	return s.inviteRepo.FindActiveByUserID(ctx, userID)
 }

internal/service/request.go

@@ -2,12 +2,14 @@ package service
 
 import (
 	"context"
+	"fmt"
 	"math"
 
 	"git.techease.ru/Smart-search/smart-search-back/internal/ai"
 	"git.techease.ru/Smart-search/smart-search-back/internal/model"
 	"git.techease.ru/Smart-search/smart-search-back/internal/repository"
 	"git.techease.ru/Smart-search/smart-search-back/pkg/errors"
+	"git.techease.ru/Smart-search/smart-search-back/pkg/fileparser"
 	"github.com/google/uuid"
 	"github.com/jackc/pgx/v5"
 )
@@ -42,21 +44,37 @@ func NewRequestService(
 	}
 }
 
-func (s *requestService) CreateTZ(ctx context.Context, userID int, requestTxt string) (uuid.UUID, string, error) {
+func (s *requestService) CreateTZ(ctx context.Context, userID int, requestTxt string, fileData []byte, fileName string) (uuid.UUID, string, error) {
+	combinedText := requestTxt
+
+	if len(fileData) > 0 && fileName != "" {
+		fileContent, err := fileparser.ExtractText(fileData, fileName)
+		if err != nil {
+			return uuid.Nil, "", err
+		}
+		if fileContent != "" {
+			if combinedText != "" {
+				combinedText = fmt.Sprintf("%s\n\nСодержимое файла (%s):\n%s", combinedText, fileName, fileContent)
+			} else {
+				combinedText = fmt.Sprintf("Содержимое файла (%s):\n%s", fileName, fileContent)
+			}
+		}
+	}
+
 	req := &model.Request{
 		UserID:     userID,
-		RequestTxt: requestTxt,
+		RequestTxt: combinedText,
 	}
 
 	if err := s.requestRepo.Create(ctx, req); err != nil {
 		return uuid.Nil, "", err
 	}
 
-	if requestTxt == "" {
+	if combinedText == "" {
 		return req.ID, "", nil
 	}
 
-	tzText, err := s.openAI.GenerateTZ(requestTxt)
+	tzText, err := s.openAI.GenerateTZ(combinedText)
 	if err != nil {
 		if err := s.requestRepo.UpdateWithTZ(ctx, req.ID, "", false); err != nil {
 			return req.ID, "", err
@@ -107,13 +125,20 @@ func (s *requestService) CreateTZ(ctx context.Context, userID int, requestTxt st
 }
 
 func (s *requestService) ApproveTZ(ctx context.Context, requestID uuid.UUID, tzText string, userID int) ([]*model.Supplier, error) {
-	if err := s.requestRepo.UpdateFinalTZ(ctx, requestID, tzText); err != nil {
+	isOwner, err := s.requestRepo.CheckOwnership(ctx, requestID, userID)
+	if err != nil {
+		return nil, err
+	}
+	if !isOwner {
+		return nil, errors.NewBusinessError(errors.PermissionDenied, "access denied to this request")
+	}
+
+	if err = s.requestRepo.UpdateFinalTZ(ctx, requestID, tzText); err != nil {
 		return nil, err
 	}
 
 	var suppliers []*model.Supplier
 	var promptTokens, responseTokens int
-	var err error
 
 	for attempt := 0; attempt < 3; attempt++ {
 		suppliers, promptTokens, responseTokens, err = s.perplexity.FindSuppliers(tzText)
@@ -169,6 +194,14 @@ func (s *requestService) GetMailingList(ctx context.Context, userID int) ([]*mod
 	return s.requestRepo.GetByUserID(ctx, userID)
 }
 
-func (s *requestService) GetMailingListByID(ctx context.Context, requestID uuid.UUID) (*model.RequestDetail, error) {
+func (s *requestService) GetMailingListByID(ctx context.Context, requestID uuid.UUID, userID int) (*model.RequestDetail, error) {
+	isOwner, err := s.requestRepo.CheckOwnership(ctx, requestID, userID)
+	if err != nil {
+		return nil, err
+	}
+	if !isOwner {
+		return nil, errors.NewBusinessError(errors.PermissionDenied, "access denied to this request")
+	}
+
 	return s.requestRepo.GetDetailByID(ctx, requestID)
 }

internal/service/supplier.go

@@ -5,21 +5,32 @@ import (
 	"fmt"
 
 	"git.techease.ru/Smart-search/smart-search-back/internal/repository"
+	"git.techease.ru/Smart-search/smart-search-back/pkg/errors"
 	"github.com/google/uuid"
 	"github.com/xuri/excelize/v2"
 )
 
 type supplierService struct {
 	supplierRepo repository.SupplierRepository
+	requestRepo  repository.RequestRepository
 }
 
-func NewSupplierService(supplierRepo repository.SupplierRepository) SupplierService {
+func NewSupplierService(supplierRepo repository.SupplierRepository, requestRepo repository.RequestRepository) SupplierService {
 	return &supplierService{
 		supplierRepo: supplierRepo,
+		requestRepo:  requestRepo,
 	}
 }
 
-func (s *supplierService) ExportExcel(ctx context.Context, requestID uuid.UUID) ([]byte, error) {
+func (s *supplierService) ExportExcel(ctx context.Context, requestID uuid.UUID, userID int) ([]byte, error) {
+	isOwner, err := s.requestRepo.CheckOwnership(ctx, requestID, userID)
+	if err != nil {
+		return nil, err
+	}
+	if !isOwner {
+		return nil, errors.NewBusinessError(errors.PermissionDenied, "access denied to this request")
+	}
+
 	suppliers, err := s.supplierRepo.GetByRequestID(ctx, requestID)
 	if err != nil {
 		return nil, err

internal/service/user.go

@@ -3,14 +3,16 @@ package service
 import (
 	"context"
 
+	"git.techease.ru/Smart-search/smart-search-back/internal/model"
 	"git.techease.ru/Smart-search/smart-search-back/internal/repository"
 	"git.techease.ru/Smart-search/smart-search-back/pkg/crypto"
 )
 
 type userService struct {
-	userRepo     repository.UserRepository
-	requestRepo  repository.RequestRepository
-	cryptoHelper *crypto.Crypto
+	userRepo       repository.UserRepository
+	requestRepo    repository.RequestRepository
+	tokenUsageRepo repository.TokenUsageRepository
+	cryptoHelper   *crypto.Crypto
 }
 
 type UserInfo struct {
@@ -27,11 +29,17 @@ type Statistics struct {
 	CreatedTZ      int
 }
 
-func NewUserService(userRepo repository.UserRepository, requestRepo repository.RequestRepository, cryptoSecret string) UserService {
+type BalanceStatistics struct {
+	AverageCost     float64
+	WriteOffHistory []*model.WriteOffHistory
+}
+
+func NewUserService(userRepo repository.UserRepository, requestRepo repository.RequestRepository, tokenUsageRepo repository.TokenUsageRepository, cryptoSecret string) UserService {
 	return &userService{
-		userRepo:     userRepo,
-		requestRepo:  requestRepo,
-		cryptoHelper: crypto.NewCrypto(cryptoSecret),
+		userRepo:       userRepo,
+		requestRepo:    requestRepo,
+		tokenUsageRepo: tokenUsageRepo,
+		cryptoHelper:   crypto.NewCrypto(cryptoSecret),
 	}
 }
 
@@ -81,3 +89,15 @@ func (s *userService) GetStatistics(ctx context.Context, userID int) (*Statistic
 		CreatedTZ:      createdTZ,
 	}, nil
 }
+
+func (s *userService) GetBalanceStatistics(ctx context.Context, userID int) (*BalanceStatistics, error) {
+	averageCost, history, err := s.tokenUsageRepo.GetBalanceStatistics(ctx, userID)
+	if err != nil {
+		return nil, err
+	}
+
+	return &BalanceStatistics{
+		AverageCost:     averageCost,
+		WriteOffHistory: history,
+	}, nil
+}

internal/worker/invite_cleaner.go

@@ -2,9 +2,10 @@ package worker
 
 import (
 	"context"
-	"log"
 	"time"
 
+	"go.uber.org/zap"
+
 	"git.techease.ru/Smart-search/smart-search-back/internal/repository"
 )
 
@@ -13,13 +14,15 @@ type InviteCleaner struct {
 	ctx        context.Context
 	ticker     *time.Ticker
 	done       chan bool
+	logger     *zap.Logger
 }
 
-func NewInviteCleaner(ctx context.Context, inviteRepo repository.InviteRepository) *InviteCleaner {
+func NewInviteCleaner(ctx context.Context, inviteRepo repository.InviteRepository, logger *zap.Logger) *InviteCleaner {
 	return &InviteCleaner{
 		inviteRepo: inviteRepo,
 		ctx:        ctx,
 		done:       make(chan bool),
+		logger:     logger,
 	}
 }
 
@@ -36,13 +39,13 @@ func (w *InviteCleaner) Start() {
 			case <-w.done:
 				return
 			case <-w.ctx.Done():
-				log.Println("Invite cleaner context cancelled, stopping worker")
+				w.logger.Info("Invite cleaner context cancelled, stopping worker")
 				return
 			}
 		}
 	}()
 
-	log.Println("Invite cleaner worker started (runs every 6 hours)")
+	w.logger.Info("Invite cleaner worker started (runs every 6 hours)")
 }
 
 func (w *InviteCleaner) Stop() {
@@ -53,17 +56,17 @@ func (w *InviteCleaner) Stop() {
 	case w.done <- true:
 	default:
 	}
-	log.Println("Invite cleaner worker stopped")
+	w.logger.Info("Invite cleaner worker stopped")
 }
 
 func (w *InviteCleaner) deactivateExpiredInvites() {
 	count, err := w.inviteRepo.DeactivateExpired(w.ctx)
 	if err != nil {
-		log.Printf("Error deactivating expired invites: %v", err)
+		w.logger.Error("Error deactivating expired invites", zap.Error(err))
 		return
 	}
 
 	if count > 0 {
-		log.Printf("Deactivated %d expired invite codes", count)
+		w.logger.Info("Deactivated expired invite codes", zap.Int("count", count))
 	}
 }

internal/worker/session_cleaner.go

@@ -2,9 +2,10 @@ package worker
 
 import (
 	"context"
-	"log"
 	"time"
 
+	"go.uber.org/zap"
+
 	"git.techease.ru/Smart-search/smart-search-back/internal/repository"
 )
 
@@ -13,13 +14,15 @@ type SessionCleaner struct {
 	ctx         context.Context
 	ticker      *time.Ticker
 	done        chan bool
+	logger      *zap.Logger
 }
 
-func NewSessionCleaner(ctx context.Context, sessionRepo repository.SessionRepository) *SessionCleaner {
+func NewSessionCleaner(ctx context.Context, sessionRepo repository.SessionRepository, logger *zap.Logger) *SessionCleaner {
 	return &SessionCleaner{
 		sessionRepo: sessionRepo,
 		ctx:         ctx,
 		done:        make(chan bool),
+		logger:      logger,
 	}
 }
 
@@ -36,13 +39,13 @@ func (w *SessionCleaner) Start() {
 			case <-w.done:
 				return
 			case <-w.ctx.Done():
-				log.Println("Session cleaner context cancelled, stopping worker")
+				w.logger.Info("Session cleaner context cancelled, stopping worker")
 				return
 			}
 		}
 	}()
 
-	log.Println("Session cleaner worker started (runs every hour)")
+	w.logger.Info("Session cleaner worker started (runs every hour)")
 }
 
 func (w *SessionCleaner) Stop() {
@@ -53,17 +56,17 @@ func (w *SessionCleaner) Stop() {
 	case w.done <- true:
 	default:
 	}
-	log.Println("Session cleaner worker stopped")
+	w.logger.Info("Session cleaner worker stopped")
 }
 
 func (w *SessionCleaner) cleanExpiredSessions() {
 	count, err := w.sessionRepo.DeleteExpired(w.ctx)
 	if err != nil {
-		log.Printf("Error cleaning expired sessions: %v", err)
+		w.logger.Error("Error cleaning expired sessions", zap.Error(err))
 		return
 	}
 
 	if count > 0 {
-		log.Printf("Cleaned %d expired sessions", count)
+		w.logger.Info("Cleaned expired sessions", zap.Int("count", count))
 	}
 }

internal/worker/worker_test.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/gojuno/minimock/v3"
 	"github.com/stretchr/testify/suite"
+	"go.uber.org/zap"
 
 	"git.techease.ru/Smart-search/smart-search-back/internal/mocks"
 )
@@ -17,6 +18,7 @@ type WorkerSuite struct {
 	ctx    context.Context
 	cancel context.CancelFunc
 	ctrl   *minimock.Controller
+	logger *zap.Logger
 }
 
 func TestWorkerSuite(t *testing.T) {
@@ -26,6 +28,7 @@ func TestWorkerSuite(t *testing.T) {
 func (s *WorkerSuite) SetupTest() {
 	s.ctx, s.cancel = context.WithCancel(context.Background())
 	s.ctrl = minimock.NewController(s.T())
+	s.logger = zap.NewNop()
 }
 
 func (s *WorkerSuite) TearDownTest() {
@@ -42,7 +45,7 @@ func (s *WorkerSuite) TestSessionCleaner_StartStop() {
 		return 5, nil
 	})
 
-	cleaner := NewSessionCleaner(s.ctx, sessionRepo)
+	cleaner := NewSessionCleaner(s.ctx, sessionRepo, s.logger)
 
 	cleaner.Start()
 
@@ -62,7 +65,7 @@ func (s *WorkerSuite) TestSessionCleaner_ContextCancellation() {
 		return 0, nil
 	})
 
-	cleaner := NewSessionCleaner(s.ctx, sessionRepo)
+	cleaner := NewSessionCleaner(s.ctx, sessionRepo, s.logger)
 
 	cleaner.Start()
 
@@ -84,7 +87,7 @@ func (s *WorkerSuite) TestInviteCleaner_StartStop() {
 		return 3, nil
 	})
 
-	cleaner := NewInviteCleaner(s.ctx, inviteRepo)
+	cleaner := NewInviteCleaner(s.ctx, inviteRepo, s.logger)
 
 	cleaner.Start()
 
@@ -104,7 +107,7 @@ func (s *WorkerSuite) TestInviteCleaner_ContextCancellation() {
 		return 0, nil
 	})
 
-	cleaner := NewInviteCleaner(s.ctx, inviteRepo)
+	cleaner := NewInviteCleaner(s.ctx, inviteRepo, s.logger)
 
 	cleaner.Start()
 
@@ -124,7 +127,7 @@ func (s *WorkerSuite) TestSessionCleaner_ConcurrentStops() {
 		return 0, nil
 	})
 
-	cleaner := NewSessionCleaner(s.ctx, sessionRepo)
+	cleaner := NewSessionCleaner(s.ctx, sessionRepo, s.logger)
 
 	cleaner.Start()
 
@@ -151,7 +154,7 @@ func (s *WorkerSuite) TestInviteCleaner_ConcurrentStops() {
 		return 0, nil
 	})
 
-	cleaner := NewInviteCleaner(s.ctx, inviteRepo)
+	cleaner := NewInviteCleaner(s.ctx, inviteRepo, s.logger)
 
 	cleaner.Start()
 
@@ -180,7 +183,7 @@ func (s *WorkerSuite) TestSessionCleaner_MultipleStartStop() {
 		return 2, nil
 	})
 
-	cleaner := NewSessionCleaner(s.ctx, sessionRepo)
+	cleaner := NewSessionCleaner(s.ctx, sessionRepo, s.logger)
 
 	for i := 0; i < 3; i++ {
 		cleaner.Start()
@@ -200,7 +203,7 @@ func (s *WorkerSuite) TestInviteCleaner_MultipleStartStop() {
 		return 1, nil
 	})
 
-	cleaner := NewInviteCleaner(s.ctx, inviteRepo)
+	cleaner := NewInviteCleaner(s.ctx, inviteRepo, s.logger)
 
 	for i := 0; i < 3; i++ {
 		cleaner.Start()

migrations/00009_drop_used_count_column.sql

@@ -0,0 +1,5 @@
+-- +goose Up
+ALTER TABLE invite_codes DROP COLUMN IF EXISTS used_count;
+
+-- +goose Down
+ALTER TABLE invite_codes ADD COLUMN used_count INT DEFAULT 0;

pkg/errors/codes.go

@@ -11,6 +11,9 @@ const (
 	InsufficientBalance    = "INSUFFICIENT_BALANCE"
 	UserNotFound           = "USER_NOT_FOUND"
 	RequestNotFound        = "REQUEST_NOT_FOUND"
+	PermissionDenied       = "PERMISSION_DENIED"
+	UnsupportedFileFormat  = "UNSUPPORTED_FILE_FORMAT"
+	FileProcessingError    = "FILE_PROCESSING_ERROR"
 
 	DatabaseError   = "DATABASE_ERROR"
 	EncryptionError = "ENCRYPTION_ERROR"

pkg/errors/errors.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"go.uber.org/zap"
+	"google.golang.org/genproto/googleapis/rpc/errdetails"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -88,18 +89,31 @@ func ToGRPCError(err error, zapLogger *zap.Logger, method string) error {
 		return status.Error(codes.Internal, "internal server error")
 	}
 
+	var grpcCode codes.Code
 	switch appErr.Code {
 	case AuthInvalidCredentials, AuthMissing, AuthInvalidToken, RefreshInvalid:
-		return status.Error(codes.Unauthenticated, appErr.Message)
+		grpcCode = codes.Unauthenticated
+	case PermissionDenied:
+		grpcCode = codes.PermissionDenied
 	case InviteLimitReached:
-		return status.Error(codes.ResourceExhausted, appErr.Message)
-	case InsufficientBalance, InviteInvalidOrExpired:
-		return status.Error(codes.FailedPrecondition, appErr.Message)
+		grpcCode = codes.ResourceExhausted
+	case InsufficientBalance:
+		grpcCode = codes.FailedPrecondition
+	case InviteInvalidOrExpired:
+		grpcCode = codes.NotFound
 	case EmailAlreadyExists:
-		return status.Error(codes.AlreadyExists, appErr.Message)
+		grpcCode = codes.AlreadyExists
 	case UserNotFound, RequestNotFound:
-		return status.Error(codes.NotFound, appErr.Message)
+		grpcCode = codes.NotFound
 	default:
-		return status.Error(codes.Unknown, appErr.Message)
+		grpcCode = codes.Unknown
 	}
+
+	st, err := status.New(grpcCode, appErr.Message).WithDetails(&errdetails.ErrorInfo{
+		Reason: appErr.Code,
+	})
+	if err != nil {
+		return status.Error(grpcCode, appErr.Message)
+	}
+	return st.Err()
 }

pkg/fileparser/parser.go

@@ -0,0 +1,113 @@
+package fileparser
+
+import (
+	"archive/zip"
+	"bytes"
+	"encoding/xml"
+	"io"
+	"net/http"
+	"strings"
+
+	"git.techease.ru/Smart-search/smart-search-back/pkg/errors"
+)
+
+func ExtractText(data []byte, _ string) (string, error) {
+	if len(data) == 0 {
+		return "", nil
+	}
+
+	mimeType := http.DetectContentType(data)
+
+	switch {
+	case strings.HasPrefix(mimeType, "text/"):
+		return string(data), nil
+	case mimeType == "application/zip" || mimeType == "application/octet-stream":
+		if isDocx(data) {
+			return extractDocx(data)
+		}
+		return "", errors.NewBusinessError(errors.UnsupportedFileFormat, "поддерживаются только текстовые файлы (.txt) и документы Word (.docx)")
+	default:
+		return "", errors.NewBusinessError(errors.UnsupportedFileFormat, "неподдерживаемый формат файла: "+mimeType+", поддерживаются .txt и .docx")
+	}
+}
+
+func isDocx(data []byte) bool {
+	reader, err := zip.NewReader(bytes.NewReader(data), int64(len(data)))
+	if err != nil {
+		return false
+	}
+
+	for _, file := range reader.File {
+		if file.Name == "word/document.xml" {
+			return true
+		}
+	}
+	return false
+}
+
+func extractDocx(data []byte) (string, error) {
+	reader, err := zip.NewReader(bytes.NewReader(data), int64(len(data)))
+	if err != nil {
+		return "", errors.NewInternalError(errors.FileProcessingError, "не удалось прочитать docx файл", err)
+	}
+
+	var content string
+	for _, file := range reader.File {
+		if file.Name == "word/document.xml" {
+			rc, err := file.Open()
+			if err != nil {
+				return "", errors.NewInternalError(errors.FileProcessingError, "не удалось открыть содержимое документа", err)
+			}
+			defer func() { _ = rc.Close() }()
+
+			xmlData, err := io.ReadAll(rc)
+			if err != nil {
+				return "", errors.NewInternalError(errors.FileProcessingError, "не удалось прочитать содержимое документа", err)
+			}
+
+			content = extractTextFromXML(xmlData)
+			break
+		}
+	}
+
+	return content, nil
+}
+
+type docxDocument struct {
+	XMLName xml.Name `xml:"document"`
+	Body    docxBody `xml:"body"`
+}
+
+type docxBody struct {
+	Paragraphs []docxParagraph `xml:"p"`
+}
+
+type docxParagraph struct {
+	Runs []docxRun `xml:"r"`
+}
+
+type docxRun struct {
+	Text string `xml:"t"`
+}
+
+func extractTextFromXML(data []byte) string {
+	var doc docxDocument
+	if err := xml.Unmarshal(data, &doc); err != nil {
+		return ""
+	}
+
+	var result []string
+	for _, p := range doc.Body.Paragraphs {
+		var line []string
+		for _, r := range p.Runs {
+			if r.Text != "" {
+				line = append(line, r.Text)
+			}
+		}
+		if len(line) > 0 {
+			result = append(result, strings.Join(line, ""))
+		}
+	}
+
+	return strings.Join(result, "\n")
+}

pkg/fileparser/parser_test.go

@@ -0,0 +1,110 @@
+package fileparser
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestExtractText_EmptyData(t *testing.T) {
+	result, err := ExtractText(nil, "test.txt")
+	assert.NoError(t, err)
+	assert.Empty(t, result)
+
+	result, err = ExtractText([]byte{}, "test.txt")
+	assert.NoError(t, err)
+	assert.Empty(t, result)
+}
+
+func TestExtractText_PlainText(t *testing.T) {
+	content := "Тестовый текст для проверки"
+	result, err := ExtractText([]byte(content), "document.txt")
+
+	assert.NoError(t, err)
+	assert.Equal(t, content, result)
+}
+
+func TestExtractText_PlainTextWithNewlines(t *testing.T) {
+	content := "Первая строка\nВторая строка\nТретья строка"
+	result, err := ExtractText([]byte(content), "document.txt")
+
+	assert.NoError(t, err)
+	assert.Equal(t, content, result)
+}
+
+func TestExtractText_RealDocxFile(t *testing.T) {
+	testdataPath := filepath.Join("testdata", "test_document.docx")
+	data, err := os.ReadFile(testdataPath)
+	require.NoError(t, err, "не удалось прочитать тестовый файл")
+
+	result, err := ExtractText(data, "тестовый.docx")
+
+	assert.NoError(t, err)
+	assert.NotEmpty(t, result, "текст из docx не должен быть пустым")
+	t.Logf("Извлеченный текст из docx:\n%s", result)
+}
+
+func TestExtractText_DocxWithAnyFilename(t *testing.T) {
+	testdataPath := filepath.Join("testdata", "test_document.docx")
+	data, err := os.ReadFile(testdataPath)
+	require.NoError(t, err)
+
+	result1, err := ExtractText(data, "random_name_without_extension")
+	assert.NoError(t, err)
+	assert.NotEmpty(t, result1)
+
+	result2, err := ExtractText(data, "document.pdf")
+	assert.NoError(t, err)
+	assert.NotEmpty(t, result2)
+
+	assert.Equal(t, result1, result2, "результат должен быть одинаковым независимо от имени файла")
+}
+
+func TestExtractText_UnsupportedFormat_PDF(t *testing.T) {
+	pdfHeader := []byte("%PDF-1.4\n")
+	result, err := ExtractText(pdfHeader, "document.pdf")
+
+	assert.Error(t, err)
+	assert.Empty(t, result)
+	assert.Contains(t, err.Error(), "UNSUPPORTED_FILE_FORMAT")
+}
+
+func TestExtractText_UnsupportedFormat_Image(t *testing.T) {
+	pngHeader := []byte{0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A}
+	result, err := ExtractText(pngHeader, "image.png")
+
+	assert.Error(t, err)
+	assert.Empty(t, result)
+	assert.Contains(t, err.Error(), "UNSUPPORTED_FILE_FORMAT")
+}
+
+func TestExtractText_InvalidDocx(t *testing.T) {
+	zipHeader := []byte{0x50, 0x4B, 0x03, 0x04}
+	fakeZip := append(zipHeader, []byte("not a valid zip content")...)
+
+	result, err := ExtractText(fakeZip, "fake.docx")
+
+	assert.Error(t, err)
+	assert.Empty(t, result)
+}
+
+func TestIsDocx_ValidDocx(t *testing.T) {
+	testdataPath := filepath.Join("testdata", "test_document.docx")
+	data, err := os.ReadFile(testdataPath)
+	require.NoError(t, err)
+
+	assert.True(t, isDocx(data))
+}
+
+func TestIsDocx_RegularZip(t *testing.T) {
+	zipHeader := []byte{0x50, 0x4B, 0x03, 0x04}
+	assert.False(t, isDocx(zipHeader))
+}
+
+func TestIsDocx_NotZip(t *testing.T) {
+	textData := []byte("plain text content")
+	assert.False(t, isDocx(textData))
+}

pkg/jwt/jwt.go

@@ -11,7 +11,6 @@ import (
 )
 
 type Claims struct {
-	Sub  string `json:"sub"`
 	Type string `json:"type"`
 	jwt.RegisteredClaims
 }
@@ -19,12 +18,12 @@ type Claims struct {
 func GenerateAccessToken(userID int, secret string) (string, error) {
 	now := time.Now()
 	claims := Claims{
-		Sub:  strconv.Itoa(userID),
 		Type: "access",
 		RegisteredClaims: jwt.RegisteredClaims{
+			Subject:   strconv.Itoa(userID),
 			ID:        uuid.New().String(),
 			IssuedAt:  jwt.NewNumericDate(now),
-			ExpiresAt: jwt.NewNumericDate(now.Add(15 * time.Minute)),
+			ExpiresAt: jwt.NewNumericDate(now.Add(2 * time.Minute)),
 		},
 	}
 
@@ -35,12 +34,12 @@ func GenerateAccessToken(userID int, secret string) (string, error) {
 func GenerateRefreshToken(userID int, secret string) (string, error) {
 	now := time.Now()
 	claims := Claims{
-		Sub:  strconv.Itoa(userID),
 		Type: "refresh",
 		RegisteredClaims: jwt.RegisteredClaims{
+			Subject:   strconv.Itoa(userID),
 			ID:        uuid.New().String(),
 			IssuedAt:  jwt.NewNumericDate(now),
-			ExpiresAt: jwt.NewNumericDate(now.Add(30 * 24 * time.Hour)),
+			ExpiresAt: jwt.NewNumericDate(now.Add(24 * time.Hour)),
 		},
 	}
 
@@ -73,7 +72,7 @@ func GetUserIDFromToken(tokenString, secret string) (int, error) {
 		return 0, err
 	}
 
-	userID, err := strconv.Atoi(claims.Sub)
+	userID, err := strconv.Atoi(claims.Subject)
 	if err != nil {
 		return 0, fmt.Errorf("invalid user ID in token: %w", err)
 	}

pkg/pb/invite/invite.pb.go

@@ -144,7 +144,7 @@ func (x *GenerateResponse) GetExpiresAt() *timestamppb.Timestamp {
 
 type GetInfoRequest struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
-	Code          string                 `protobuf:"bytes,1,opt,name=code,proto3" json:"code,omitempty"`
+	UserId        int64                  `protobuf:"varint,1,opt,name=user_id,json=userId,proto3" json:"user_id,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }
@@ -179,22 +179,19 @@ func (*GetInfoRequest) Descriptor() ([]byte, []int) {
 	return file_invite_invite_proto_rawDescGZIP(), []int{2}
 }
 
-func (x *GetInfoRequest) GetCode() string {
+func (x *GetInfoRequest) GetUserId() int64 {
 	if x != nil {
-		return x.Code
+		return x.UserId
 	}
-	return ""
+	return 0
 }
 
 type GetInfoResponse struct {
 	state          protoimpl.MessageState `protogen:"open.v1"`
 	Code           string                 `protobuf:"bytes,1,opt,name=code,proto3" json:"code,omitempty"`
-	UserId         int64                  `protobuf:"varint,2,opt,name=user_id,json=userId,proto3" json:"user_id,omitempty"`
-	CanBeUsedCount int32                  `protobuf:"varint,3,opt,name=can_be_used_count,json=canBeUsedCount,proto3" json:"can_be_used_count,omitempty"`
-	UsedCount      int32                  `protobuf:"varint,4,opt,name=used_count,json=usedCount,proto3" json:"used_count,omitempty"`
-	ExpiresAt      *timestamppb.Timestamp `protobuf:"bytes,5,opt,name=expires_at,json=expiresAt,proto3" json:"expires_at,omitempty"`
-	IsActive       bool                   `protobuf:"varint,6,opt,name=is_active,json=isActive,proto3" json:"is_active,omitempty"`
-	CreatedAt      *timestamppb.Timestamp `protobuf:"bytes,7,opt,name=created_at,json=createdAt,proto3" json:"created_at,omitempty"`
+	CanBeUsedCount int32                  `protobuf:"varint,2,opt,name=can_be_used_count,json=canBeUsedCount,proto3" json:"can_be_used_count,omitempty"`
+	ExpiresAt      *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=expires_at,json=expiresAt,proto3" json:"expires_at,omitempty"`
+	CreatedAt      *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=created_at,json=createdAt,proto3" json:"created_at,omitempty"`
 	unknownFields  protoimpl.UnknownFields
 	sizeCache      protoimpl.SizeCache
 }
@@ -236,13 +233,6 @@ func (x *GetInfoResponse) GetCode() string {
 	return ""
 }
 
-func (x *GetInfoResponse) GetUserId() int64 {
-	if x != nil {
-		return x.UserId
-	}
-	return 0
-}
-
 func (x *GetInfoResponse) GetCanBeUsedCount() int32 {
 	if x != nil {
 		return x.CanBeUsedCount
@@ -250,13 +240,6 @@ func (x *GetInfoResponse) GetCanBeUsedCount() int32 {
 	return 0
 }
 
-func (x *GetInfoResponse) GetUsedCount() int32 {
-	if x != nil {
-		return x.UsedCount
-	}
-	return 0
-}
-
 func (x *GetInfoResponse) GetExpiresAt() *timestamppb.Timestamp {
 	if x != nil {
 		return x.ExpiresAt
@@ -264,13 +247,6 @@ func (x *GetInfoResponse) GetExpiresAt() *timestamppb.Timestamp {
 	return nil
 }
 
-func (x *GetInfoResponse) GetIsActive() bool {
-	if x != nil {
-		return x.IsActive
-	}
-	return false
-}
-
 func (x *GetInfoResponse) GetCreatedAt() *timestamppb.Timestamp {
 	if x != nil {
 		return x.CreatedAt
@@ -291,20 +267,16 @@ const file_invite_invite_proto_rawDesc = "" +
 	"\x04code\x18\x01 \x01(\tR\x04code\x12\x19\n" +
 	"\bmax_uses\x18\x02 \x01(\x05R\amaxUses\x129\n" +
 	"\n" +
-	"expires_at\x18\x03 \x01(\v2\x1a.google.protobuf.TimestampR\texpiresAt\"$\n" +
-	"\x0eGetInfoRequest\x12\x12\n" +
-	"\x04code\x18\x01 \x01(\tR\x04code\"\x9b\x02\n" +
+	"expires_at\x18\x03 \x01(\v2\x1a.google.protobuf.TimestampR\texpiresAt\")\n" +
+	"\x0eGetInfoRequest\x12\x17\n" +
+	"\auser_id\x18\x01 \x01(\x03R\x06userId\"\xc6\x01\n" +
 	"\x0fGetInfoResponse\x12\x12\n" +
-	"\x04code\x18\x01 \x01(\tR\x04code\x12\x17\n" +
-	"\auser_id\x18\x02 \x01(\x03R\x06userId\x12)\n" +
-	"\x11can_be_used_count\x18\x03 \x01(\x05R\x0ecanBeUsedCount\x12\x1d\n" +
+	"\x04code\x18\x01 \x01(\tR\x04code\x12)\n" +
+	"\x11can_be_used_count\x18\x02 \x01(\x05R\x0ecanBeUsedCount\x129\n" +
 	"\n" +
-	"used_count\x18\x04 \x01(\x05R\tusedCount\x129\n" +
+	"expires_at\x18\x03 \x01(\v2\x1a.google.protobuf.TimestampR\texpiresAt\x129\n" +
 	"\n" +
-	"expires_at\x18\x05 \x01(\v2\x1a.google.protobuf.TimestampR\texpiresAt\x12\x1b\n" +
-	"\tis_active\x18\x06 \x01(\bR\bisActive\x129\n" +
-	"\n" +
-	"created_at\x18\a \x01(\v2\x1a.google.protobuf.TimestampR\tcreatedAt2\x8a\x01\n" +
+	"created_at\x18\x04 \x01(\v2\x1a.google.protobuf.TimestampR\tcreatedAt2\x8a\x01\n" +
 	"\rInviteService\x12=\n" +
 	"\bGenerate\x12\x17.invite.GenerateRequest\x1a\x18.invite.GenerateResponse\x12:\n" +
 	"\aGetInfo\x12\x16.invite.GetInfoRequest\x1a\x17.invite.GetInfoResponseB>Z<git.techease.ru/Smart-search/smart-search-back/pkg/pb/inviteb\x06proto3"

pkg/pb/request/request.pb.go

@@ -204,8 +204,8 @@ func (x *ApproveTZRequest) GetUserId() int64 {
 
 type ApproveTZResponse struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
-	Success       bool                   `protobuf:"varint,1,opt,name=success,proto3" json:"success,omitempty"`
-	MailingStatus string                 `protobuf:"bytes,2,opt,name=mailing_status,json=mailingStatus,proto3" json:"mailing_status,omitempty"`
+	RequestId     string                 `protobuf:"bytes,1,opt,name=request_id,json=requestId,proto3" json:"request_id,omitempty"`
+	Suppliers     []*Supplier            `protobuf:"bytes,2,rep,name=suppliers,proto3" json:"suppliers,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }
@@ -240,16 +240,100 @@ func (*ApproveTZResponse) Descriptor() ([]byte, []int) {
 	return file_request_request_proto_rawDescGZIP(), []int{3}
 }
 
-func (x *ApproveTZResponse) GetSuccess() bool {
+func (x *ApproveTZResponse) GetRequestId() string {
 	if x != nil {
-		return x.Success
+		return x.RequestId
 	}
-	return false
+	return ""
 }
 
-func (x *ApproveTZResponse) GetMailingStatus() string {
+func (x *ApproveTZResponse) GetSuppliers() []*Supplier {
 	if x != nil {
-		return x.MailingStatus
+		return x.Suppliers
+	}
+	return nil
+}
+
+type Supplier struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Id            string                 `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Name          string                 `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	Email         string                 `protobuf:"bytes,3,opt,name=email,proto3" json:"email,omitempty"`
+	Phone         string                 `protobuf:"bytes,4,opt,name=phone,proto3" json:"phone,omitempty"`
+	Address       string                 `protobuf:"bytes,5,opt,name=address,proto3" json:"address,omitempty"`
+	Url           string                 `protobuf:"bytes,6,opt,name=url,proto3" json:"url,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *Supplier) Reset() {
+	*x = Supplier{}
+	mi := &file_request_request_proto_msgTypes[4]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *Supplier) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Supplier) ProtoMessage() {}
+
+func (x *Supplier) ProtoReflect() protoreflect.Message {
+	mi := &file_request_request_proto_msgTypes[4]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Supplier.ProtoReflect.Descriptor instead.
+func (*Supplier) Descriptor() ([]byte, []int) {
+	return file_request_request_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *Supplier) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+func (x *Supplier) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Supplier) GetEmail() string {
+	if x != nil {
+		return x.Email
+	}
+	return ""
+}
+
+func (x *Supplier) GetPhone() string {
+	if x != nil {
+		return x.Phone
+	}
+	return ""
+}
+
+func (x *Supplier) GetAddress() string {
+	if x != nil {
+		return x.Address
+	}
+	return ""
+}
+
+func (x *Supplier) GetUrl() string {
+	if x != nil {
+		return x.Url
 	}
 	return ""
 }
@@ -263,7 +347,7 @@ type GetMailingListRequest struct {
 
 func (x *GetMailingListRequest) Reset() {
 	*x = GetMailingListRequest{}
-	mi := &file_request_request_proto_msgTypes[4]
+	mi := &file_request_request_proto_msgTypes[5]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -275,7 +359,7 @@ func (x *GetMailingListRequest) String() string {
 func (*GetMailingListRequest) ProtoMessage() {}
 
 func (x *GetMailingListRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_request_request_proto_msgTypes[4]
+	mi := &file_request_request_proto_msgTypes[5]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -288,7 +372,7 @@ func (x *GetMailingListRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMailingListRequest.ProtoReflect.Descriptor instead.
 func (*GetMailingListRequest) Descriptor() ([]byte, []int) {
-	return file_request_request_proto_rawDescGZIP(), []int{4}
+	return file_request_request_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *GetMailingListRequest) GetUserId() int64 {
@@ -307,7 +391,7 @@ type GetMailingListResponse struct {
 
 func (x *GetMailingListResponse) Reset() {
 	*x = GetMailingListResponse{}
-	mi := &file_request_request_proto_msgTypes[5]
+	mi := &file_request_request_proto_msgTypes[6]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -319,7 +403,7 @@ func (x *GetMailingListResponse) String() string {
 func (*GetMailingListResponse) ProtoMessage() {}
 
 func (x *GetMailingListResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_request_request_proto_msgTypes[5]
+	mi := &file_request_request_proto_msgTypes[6]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -332,7 +416,7 @@ func (x *GetMailingListResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMailingListResponse.ProtoReflect.Descriptor instead.
 func (*GetMailingListResponse) Descriptor() ([]byte, []int) {
-	return file_request_request_proto_rawDescGZIP(), []int{5}
+	return file_request_request_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *GetMailingListResponse) GetItems() []*MailingItem {
@@ -352,7 +436,7 @@ type GetMailingListByIDRequest struct {
 
 func (x *GetMailingListByIDRequest) Reset() {
 	*x = GetMailingListByIDRequest{}
-	mi := &file_request_request_proto_msgTypes[6]
+	mi := &file_request_request_proto_msgTypes[7]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -364,7 +448,7 @@ func (x *GetMailingListByIDRequest) String() string {
 func (*GetMailingListByIDRequest) ProtoMessage() {}
 
 func (x *GetMailingListByIDRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_request_request_proto_msgTypes[6]
+	mi := &file_request_request_proto_msgTypes[7]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -377,7 +461,7 @@ func (x *GetMailingListByIDRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMailingListByIDRequest.ProtoReflect.Descriptor instead.
 func (*GetMailingListByIDRequest) Descriptor() ([]byte, []int) {
-	return file_request_request_proto_rawDescGZIP(), []int{6}
+	return file_request_request_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *GetMailingListByIDRequest) GetRequestId() string {
@@ -396,14 +480,14 @@ func (x *GetMailingListByIDRequest) GetUserId() int64 {
 
 type GetMailingListByIDResponse struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
-	Item          *MailingItem           `protobuf:"bytes,1,opt,name=item,proto3" json:"item,omitempty"`
+	Detail        *MailingDetail         `protobuf:"bytes,1,opt,name=detail,proto3" json:"detail,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }
 
 func (x *GetMailingListByIDResponse) Reset() {
 	*x = GetMailingListByIDResponse{}
-	mi := &file_request_request_proto_msgTypes[7]
+	mi := &file_request_request_proto_msgTypes[8]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -415,7 +499,7 @@ func (x *GetMailingListByIDResponse) String() string {
 func (*GetMailingListByIDResponse) ProtoMessage() {}
 
 func (x *GetMailingListByIDResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_request_request_proto_msgTypes[7]
+	mi := &file_request_request_proto_msgTypes[8]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -428,12 +512,12 @@ func (x *GetMailingListByIDResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMailingListByIDResponse.ProtoReflect.Descriptor instead.
 func (*GetMailingListByIDResponse) Descriptor() ([]byte, []int) {
-	return file_request_request_proto_rawDescGZIP(), []int{7}
+	return file_request_request_proto_rawDescGZIP(), []int{8}
 }
 
-func (x *GetMailingListByIDResponse) GetItem() *MailingItem {
+func (x *GetMailingListByIDResponse) GetDetail() *MailingDetail {
 	if x != nil {
-		return x.Item
+		return x.Detail
 	}
 	return nil
 }
@@ -452,7 +536,7 @@ type MailingItem struct {
 
 func (x *MailingItem) Reset() {
 	*x = MailingItem{}
-	mi := &file_request_request_proto_msgTypes[8]
+	mi := &file_request_request_proto_msgTypes[9]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -464,7 +548,7 @@ func (x *MailingItem) String() string {
 func (*MailingItem) ProtoMessage() {}
 
 func (x *MailingItem) ProtoReflect() protoreflect.Message {
-	mi := &file_request_request_proto_msgTypes[8]
+	mi := &file_request_request_proto_msgTypes[9]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -477,7 +561,7 @@ func (x *MailingItem) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use MailingItem.ProtoReflect.Descriptor instead.
 func (*MailingItem) Descriptor() ([]byte, []int) {
-	return file_request_request_proto_rawDescGZIP(), []int{8}
+	return file_request_request_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *MailingItem) GetRequestId() string {
@@ -522,6 +606,74 @@ func (x *MailingItem) GetSuppliersFound() int32 {
 	return 0
 }
 
+type MailingDetail struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	RequestId     string                 `protobuf:"bytes,1,opt,name=request_id,json=requestId,proto3" json:"request_id,omitempty"`
+	Title         string                 `protobuf:"bytes,2,opt,name=title,proto3" json:"title,omitempty"`
+	MailText      string                 `protobuf:"bytes,3,opt,name=mail_text,json=mailText,proto3" json:"mail_text,omitempty"`
+	Suppliers     []*Supplier            `protobuf:"bytes,4,rep,name=suppliers,proto3" json:"suppliers,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *MailingDetail) Reset() {
+	*x = MailingDetail{}
+	mi := &file_request_request_proto_msgTypes[10]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *MailingDetail) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MailingDetail) ProtoMessage() {}
+
+func (x *MailingDetail) ProtoReflect() protoreflect.Message {
+	mi := &file_request_request_proto_msgTypes[10]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use MailingDetail.ProtoReflect.Descriptor instead.
+func (*MailingDetail) Descriptor() ([]byte, []int) {
+	return file_request_request_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *MailingDetail) GetRequestId() string {
+	if x != nil {
+		return x.RequestId
+	}
+	return ""
+}
+
+func (x *MailingDetail) GetTitle() string {
+	if x != nil {
+		return x.Title
+	}
+	return ""
+}
+
+func (x *MailingDetail) GetMailText() string {
+	if x != nil {
+		return x.MailText
+	}
+	return ""
+}
+
+func (x *MailingDetail) GetSuppliers() []*Supplier {
+	if x != nil {
+		return x.Suppliers
+	}
+	return nil
+}
+
 var File_request_request_proto protoreflect.FileDescriptor
 
 const file_request_request_proto_rawDesc = "" +
@@ -541,10 +693,18 @@ const file_request_request_proto_rawDesc = "" +
 	"\n" +
 	"request_id\x18\x01 \x01(\tR\trequestId\x12\x19\n" +
 	"\bfinal_tz\x18\x02 \x01(\tR\afinalTz\x12\x17\n" +
-	"\auser_id\x18\x03 \x01(\x03R\x06userId\"T\n" +
-	"\x11ApproveTZResponse\x12\x18\n" +
-	"\asuccess\x18\x01 \x01(\bR\asuccess\x12%\n" +
-	"\x0emailing_status\x18\x02 \x01(\tR\rmailingStatus\"0\n" +
+	"\auser_id\x18\x03 \x01(\x03R\x06userId\"c\n" +
+	"\x11ApproveTZResponse\x12\x1d\n" +
+	"\n" +
+	"request_id\x18\x01 \x01(\tR\trequestId\x12/\n" +
+	"\tsuppliers\x18\x02 \x03(\v2\x11.request.SupplierR\tsuppliers\"\x86\x01\n" +
+	"\bSupplier\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\tR\x02id\x12\x12\n" +
+	"\x04name\x18\x02 \x01(\tR\x04name\x12\x14\n" +
+	"\x05email\x18\x03 \x01(\tR\x05email\x12\x14\n" +
+	"\x05phone\x18\x04 \x01(\tR\x05phone\x12\x18\n" +
+	"\aaddress\x18\x05 \x01(\tR\aaddress\x12\x10\n" +
+	"\x03url\x18\x06 \x01(\tR\x03url\"0\n" +
 	"\x15GetMailingListRequest\x12\x17\n" +
 	"\auser_id\x18\x01 \x01(\x03R\x06userId\"D\n" +
 	"\x16GetMailingListResponse\x12*\n" +
@@ -552,9 +712,9 @@ const file_request_request_proto_rawDesc = "" +
 	"\x19GetMailingListByIDRequest\x12\x1d\n" +
 	"\n" +
 	"request_id\x18\x01 \x01(\tR\trequestId\x12\x17\n" +
-	"\auser_id\x18\x02 \x01(\x03R\x06userId\"F\n" +
-	"\x1aGetMailingListByIDResponse\x12(\n" +
-	"\x04item\x18\x01 \x01(\v2\x14.request.MailingItemR\x04item\"\xf3\x01\n" +
+	"\auser_id\x18\x02 \x01(\x03R\x06userId\"L\n" +
+	"\x1aGetMailingListByIDResponse\x12.\n" +
+	"\x06detail\x18\x01 \x01(\v2\x16.request.MailingDetailR\x06detail\"\xf3\x01\n" +
 	"\vMailingItem\x12\x1d\n" +
 	"\n" +
 	"request_id\x18\x01 \x01(\tR\trequestId\x12\x1f\n" +
@@ -564,7 +724,13 @@ const file_request_request_proto_rawDesc = "" +
 	"\x0emailing_status\x18\x04 \x01(\tR\rmailingStatus\x129\n" +
 	"\n" +
 	"created_at\x18\x05 \x01(\v2\x1a.google.protobuf.TimestampR\tcreatedAt\x12'\n" +
-	"\x0fsuppliers_found\x18\x06 \x01(\x05R\x0esuppliersFound2\xc7\x02\n" +
+	"\x0fsuppliers_found\x18\x06 \x01(\x05R\x0esuppliersFound\"\x92\x01\n" +
+	"\rMailingDetail\x12\x1d\n" +
+	"\n" +
+	"request_id\x18\x01 \x01(\tR\trequestId\x12\x14\n" +
+	"\x05title\x18\x02 \x01(\tR\x05title\x12\x1b\n" +
+	"\tmail_text\x18\x03 \x01(\tR\bmailText\x12/\n" +
+	"\tsuppliers\x18\x04 \x03(\v2\x11.request.SupplierR\tsuppliers2\xc7\x02\n" +
 	"\x0eRequestService\x12?\n" +
 	"\bCreateTZ\x12\x18.request.CreateTZRequest\x1a\x19.request.CreateTZResponse\x12B\n" +
 	"\tApproveTZ\x12\x19.request.ApproveTZRequest\x1a\x1a.request.ApproveTZResponse\x12Q\n" +
@@ -583,36 +749,40 @@ func file_request_request_proto_rawDescGZIP() []byte {
 	return file_request_request_proto_rawDescData
 }
 
-var file_request_request_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_request_request_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
 var file_request_request_proto_goTypes = []any{
 	(*CreateTZRequest)(nil),            // 0: request.CreateTZRequest
 	(*CreateTZResponse)(nil),           // 1: request.CreateTZResponse
 	(*ApproveTZRequest)(nil),           // 2: request.ApproveTZRequest
 	(*ApproveTZResponse)(nil),          // 3: request.ApproveTZResponse
-	(*GetMailingListRequest)(nil),      // 4: request.GetMailingListRequest
-	(*GetMailingListResponse)(nil),     // 5: request.GetMailingListResponse
-	(*GetMailingListByIDRequest)(nil),  // 6: request.GetMailingListByIDRequest
-	(*GetMailingListByIDResponse)(nil), // 7: request.GetMailingListByIDResponse
-	(*MailingItem)(nil),                // 8: request.MailingItem
-	(*timestamppb.Timestamp)(nil),      // 9: google.protobuf.Timestamp
+	(*Supplier)(nil),                   // 4: request.Supplier
+	(*GetMailingListRequest)(nil),      // 5: request.GetMailingListRequest
+	(*GetMailingListResponse)(nil),     // 6: request.GetMailingListResponse
+	(*GetMailingListByIDRequest)(nil),  // 7: request.GetMailingListByIDRequest
+	(*GetMailingListByIDResponse)(nil), // 8: request.GetMailingListByIDResponse
+	(*MailingItem)(nil),                // 9: request.MailingItem
+	(*MailingDetail)(nil),              // 10: request.MailingDetail
+	(*timestamppb.Timestamp)(nil),      // 11: google.protobuf.Timestamp
 }
 var file_request_request_proto_depIdxs = []int32{
-	8, // 0: request.GetMailingListResponse.items:type_name -> request.MailingItem
-	8, // 1: request.GetMailingListByIDResponse.item:type_name -> request.MailingItem
-	9, // 2: request.MailingItem.created_at:type_name -> google.protobuf.Timestamp
-	0, // 3: request.RequestService.CreateTZ:input_type -> request.CreateTZRequest
-	2, // 4: request.RequestService.ApproveTZ:input_type -> request.ApproveTZRequest
-	4, // 5: request.RequestService.GetMailingList:input_type -> request.GetMailingListRequest
-	6, // 6: request.RequestService.GetMailingListByID:input_type -> request.GetMailingListByIDRequest
-	1, // 7: request.RequestService.CreateTZ:output_type -> request.CreateTZResponse
-	3, // 8: request.RequestService.ApproveTZ:output_type -> request.ApproveTZResponse
-	5, // 9: request.RequestService.GetMailingList:output_type -> request.GetMailingListResponse
-	7, // 10: request.RequestService.GetMailingListByID:output_type -> request.GetMailingListByIDResponse
-	7, // [7:11] is the sub-list for method output_type
-	3, // [3:7] is the sub-list for method input_type
-	3, // [3:3] is the sub-list for extension type_name
-	3, // [3:3] is the sub-list for extension extendee
-	0, // [0:3] is the sub-list for field type_name
+	4,  // 0: request.ApproveTZResponse.suppliers:type_name -> request.Supplier
+	9,  // 1: request.GetMailingListResponse.items:type_name -> request.MailingItem
+	10, // 2: request.GetMailingListByIDResponse.detail:type_name -> request.MailingDetail
+	11, // 3: request.MailingItem.created_at:type_name -> google.protobuf.Timestamp
+	4,  // 4: request.MailingDetail.suppliers:type_name -> request.Supplier
+	0,  // 5: request.RequestService.CreateTZ:input_type -> request.CreateTZRequest
+	2,  // 6: request.RequestService.ApproveTZ:input_type -> request.ApproveTZRequest
+	5,  // 7: request.RequestService.GetMailingList:input_type -> request.GetMailingListRequest
+	7,  // 8: request.RequestService.GetMailingListByID:input_type -> request.GetMailingListByIDRequest
+	1,  // 9: request.RequestService.CreateTZ:output_type -> request.CreateTZResponse
+	3,  // 10: request.RequestService.ApproveTZ:output_type -> request.ApproveTZResponse
+	6,  // 11: request.RequestService.GetMailingList:output_type -> request.GetMailingListResponse
+	8,  // 12: request.RequestService.GetMailingListByID:output_type -> request.GetMailingListByIDResponse
+	9,  // [9:13] is the sub-list for method output_type
+	5,  // [5:9] is the sub-list for method input_type
+	5,  // [5:5] is the sub-list for extension type_name
+	5,  // [5:5] is the sub-list for extension extendee
+	0,  // [0:5] is the sub-list for field type_name
 }
 
 func init() { file_request_request_proto_init() }
@@ -626,7 +796,7 @@ func file_request_request_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_request_request_proto_rawDesc), len(file_request_request_proto_rawDesc)),
 			NumEnums:      0,
-			NumMessages:   9,
+			NumMessages:   11,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

pkg/pb/user/user.pb.go

@@ -274,13 +274,12 @@ func (x *GetStatisticsRequest) GetUserId() int64 {
 }
 
 type GetStatisticsResponse struct {
-	state              protoimpl.MessageState `protogen:"open.v1"`
-	TotalRequests      int32                  `protobuf:"varint,1,opt,name=total_requests,json=totalRequests,proto3" json:"total_requests,omitempty"`
-	SuccessfulRequests int32                  `protobuf:"varint,2,opt,name=successful_requests,json=successfulRequests,proto3" json:"successful_requests,omitempty"`
-	FailedRequests     int32                  `protobuf:"varint,3,opt,name=failed_requests,json=failedRequests,proto3" json:"failed_requests,omitempty"`
-	TotalSpent         float64                `protobuf:"fixed64,4,opt,name=total_spent,json=totalSpent,proto3" json:"total_spent,omitempty"`
-	unknownFields      protoimpl.UnknownFields
-	sizeCache          protoimpl.SizeCache
+	state          protoimpl.MessageState `protogen:"open.v1"`
+	SuppliersCount string                 `protobuf:"bytes,1,opt,name=suppliers_count,json=suppliersCount,proto3" json:"suppliers_count,omitempty"`
+	RequestsCount  string                 `protobuf:"bytes,2,opt,name=requests_count,json=requestsCount,proto3" json:"requests_count,omitempty"`
+	CreatedTz      string                 `protobuf:"bytes,3,opt,name=created_tz,json=createdTz,proto3" json:"created_tz,omitempty"`
+	unknownFields  protoimpl.UnknownFields
+	sizeCache      protoimpl.SizeCache
 }
 
 func (x *GetStatisticsResponse) Reset() {
@@ -313,32 +312,25 @@ func (*GetStatisticsResponse) Descriptor() ([]byte, []int) {
 	return file_user_user_proto_rawDescGZIP(), []int{5}
 }
 
-func (x *GetStatisticsResponse) GetTotalRequests() int32 {
+func (x *GetStatisticsResponse) GetSuppliersCount() string {
 	if x != nil {
-		return x.TotalRequests
+		return x.SuppliersCount
 	}
-	return 0
+	return ""
 }
 
-func (x *GetStatisticsResponse) GetSuccessfulRequests() int32 {
+func (x *GetStatisticsResponse) GetRequestsCount() string {
 	if x != nil {
-		return x.SuccessfulRequests
+		return x.RequestsCount
 	}
-	return 0
+	return ""
 }
 
-func (x *GetStatisticsResponse) GetFailedRequests() int32 {
+func (x *GetStatisticsResponse) GetCreatedTz() string {
 	if x != nil {
-		return x.FailedRequests
+		return x.CreatedTz
 	}
-	return 0
-}
-
-func (x *GetStatisticsResponse) GetTotalSpent() float64 {
-	if x != nil {
-		return x.TotalSpent
-	}
-	return 0
+	return ""
 }
 
 type GetBalanceStatisticsRequest struct {
@@ -385,18 +377,77 @@ func (x *GetBalanceStatisticsRequest) GetUserId() int64 {
 	return 0
 }
 
-type GetBalanceStatisticsResponse struct {
+type WriteOffHistoryItem struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
-	Balance       float64                `protobuf:"fixed64,1,opt,name=balance,proto3" json:"balance,omitempty"`
-	TotalRequests int32                  `protobuf:"varint,2,opt,name=total_requests,json=totalRequests,proto3" json:"total_requests,omitempty"`
-	TotalSpent    float64                `protobuf:"fixed64,3,opt,name=total_spent,json=totalSpent,proto3" json:"total_spent,omitempty"`
+	OperationId   string                 `protobuf:"bytes,1,opt,name=operation_id,json=operationId,proto3" json:"operation_id,omitempty"`
+	Data          string                 `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
+	Amount        float64                `protobuf:"fixed64,3,opt,name=amount,proto3" json:"amount,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }
 
+func (x *WriteOffHistoryItem) Reset() {
+	*x = WriteOffHistoryItem{}
+	mi := &file_user_user_proto_msgTypes[7]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *WriteOffHistoryItem) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*WriteOffHistoryItem) ProtoMessage() {}
+
+func (x *WriteOffHistoryItem) ProtoReflect() protoreflect.Message {
+	mi := &file_user_user_proto_msgTypes[7]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use WriteOffHistoryItem.ProtoReflect.Descriptor instead.
+func (*WriteOffHistoryItem) Descriptor() ([]byte, []int) {
+	return file_user_user_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *WriteOffHistoryItem) GetOperationId() string {
+	if x != nil {
+		return x.OperationId
+	}
+	return ""
+}
+
+func (x *WriteOffHistoryItem) GetData() string {
+	if x != nil {
+		return x.Data
+	}
+	return ""
+}
+
+func (x *WriteOffHistoryItem) GetAmount() float64 {
+	if x != nil {
+		return x.Amount
+	}
+	return 0
+}
+
+type GetBalanceStatisticsResponse struct {
+	state           protoimpl.MessageState `protogen:"open.v1"`
+	AverageCost     float64                `protobuf:"fixed64,1,opt,name=average_cost,json=averageCost,proto3" json:"average_cost,omitempty"`
+	WriteOffHistory []*WriteOffHistoryItem `protobuf:"bytes,2,rep,name=write_off_history,json=writeOffHistory,proto3" json:"write_off_history,omitempty"`
+	unknownFields   protoimpl.UnknownFields
+	sizeCache       protoimpl.SizeCache
+}
+
 func (x *GetBalanceStatisticsResponse) Reset() {
 	*x = GetBalanceStatisticsResponse{}
-	mi := &file_user_user_proto_msgTypes[7]
+	mi := &file_user_user_proto_msgTypes[8]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -408,7 +459,7 @@ func (x *GetBalanceStatisticsResponse) String() string {
 func (*GetBalanceStatisticsResponse) ProtoMessage() {}
 
 func (x *GetBalanceStatisticsResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_user_user_proto_msgTypes[7]
+	mi := &file_user_user_proto_msgTypes[8]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -421,28 +472,21 @@ func (x *GetBalanceStatisticsResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetBalanceStatisticsResponse.ProtoReflect.Descriptor instead.
 func (*GetBalanceStatisticsResponse) Descriptor() ([]byte, []int) {
-	return file_user_user_proto_rawDescGZIP(), []int{7}
+	return file_user_user_proto_rawDescGZIP(), []int{8}
 }
 
-func (x *GetBalanceStatisticsResponse) GetBalance() float64 {
+func (x *GetBalanceStatisticsResponse) GetAverageCost() float64 {
 	if x != nil {
-		return x.Balance
+		return x.AverageCost
 	}
 	return 0
 }
 
-func (x *GetBalanceStatisticsResponse) GetTotalRequests() int32 {
+func (x *GetBalanceStatisticsResponse) GetWriteOffHistory() []*WriteOffHistoryItem {
 	if x != nil {
-		return x.TotalRequests
+		return x.WriteOffHistory
 	}
-	return 0
-}
-
-func (x *GetBalanceStatisticsResponse) GetTotalSpent() float64 {
-	if x != nil {
-		return x.TotalSpent
-	}
-	return 0
+	return nil
 }
 
 var File_user_user_proto protoreflect.FileDescriptor
@@ -463,20 +507,21 @@ const file_user_user_proto_rawDesc = "" +
 	"\x12GetBalanceResponse\x12\x18\n" +
 	"\abalance\x18\x01 \x01(\x01R\abalance\"/\n" +
 	"\x14GetStatisticsRequest\x12\x17\n" +
-	"\auser_id\x18\x01 \x01(\x03R\x06userId\"\xb9\x01\n" +
-	"\x15GetStatisticsResponse\x12%\n" +
-	"\x0etotal_requests\x18\x01 \x01(\x05R\rtotalRequests\x12/\n" +
-	"\x13successful_requests\x18\x02 \x01(\x05R\x12successfulRequests\x12'\n" +
-	"\x0ffailed_requests\x18\x03 \x01(\x05R\x0efailedRequests\x12\x1f\n" +
-	"\vtotal_spent\x18\x04 \x01(\x01R\n" +
-	"totalSpent\"6\n" +
+	"\auser_id\x18\x01 \x01(\x03R\x06userId\"\x86\x01\n" +
+	"\x15GetStatisticsResponse\x12'\n" +
+	"\x0fsuppliers_count\x18\x01 \x01(\tR\x0esuppliersCount\x12%\n" +
+	"\x0erequests_count\x18\x02 \x01(\tR\rrequestsCount\x12\x1d\n" +
+	"\n" +
+	"created_tz\x18\x03 \x01(\tR\tcreatedTz\"6\n" +
 	"\x1bGetBalanceStatisticsRequest\x12\x17\n" +
-	"\auser_id\x18\x01 \x01(\x03R\x06userId\"\x80\x01\n" +
-	"\x1cGetBalanceStatisticsResponse\x12\x18\n" +
-	"\abalance\x18\x01 \x01(\x01R\abalance\x12%\n" +
-	"\x0etotal_requests\x18\x02 \x01(\x05R\rtotalRequests\x12\x1f\n" +
-	"\vtotal_spent\x18\x03 \x01(\x01R\n" +
-	"totalSpent2\xaf\x02\n" +
+	"\auser_id\x18\x01 \x01(\x03R\x06userId\"d\n" +
+	"\x13WriteOffHistoryItem\x12!\n" +
+	"\foperation_id\x18\x01 \x01(\tR\voperationId\x12\x12\n" +
+	"\x04data\x18\x02 \x01(\tR\x04data\x12\x16\n" +
+	"\x06amount\x18\x03 \x01(\x01R\x06amount\"\x88\x01\n" +
+	"\x1cGetBalanceStatisticsResponse\x12!\n" +
+	"\faverage_cost\x18\x01 \x01(\x01R\vaverageCost\x12E\n" +
+	"\x11write_off_history\x18\x02 \x03(\v2\x19.user.WriteOffHistoryItemR\x0fwriteOffHistory2\xaf\x02\n" +
 	"\vUserService\x126\n" +
 	"\aGetInfo\x12\x14.user.GetInfoRequest\x1a\x15.user.GetInfoResponse\x12?\n" +
 	"\n" +
@@ -496,7 +541,7 @@ func file_user_user_proto_rawDescGZIP() []byte {
 	return file_user_user_proto_rawDescData
 }
 
-var file_user_user_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
+var file_user_user_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
 var file_user_user_proto_goTypes = []any{
 	(*GetInfoRequest)(nil),               // 0: user.GetInfoRequest
 	(*GetInfoResponse)(nil),              // 1: user.GetInfoResponse
@@ -505,22 +550,24 @@ var file_user_user_proto_goTypes = []any{
 	(*GetStatisticsRequest)(nil),         // 4: user.GetStatisticsRequest
 	(*GetStatisticsResponse)(nil),        // 5: user.GetStatisticsResponse
 	(*GetBalanceStatisticsRequest)(nil),  // 6: user.GetBalanceStatisticsRequest
-	(*GetBalanceStatisticsResponse)(nil), // 7: user.GetBalanceStatisticsResponse
+	(*WriteOffHistoryItem)(nil),          // 7: user.WriteOffHistoryItem
+	(*GetBalanceStatisticsResponse)(nil), // 8: user.GetBalanceStatisticsResponse
 }
 var file_user_user_proto_depIdxs = []int32{
-	0, // 0: user.UserService.GetInfo:input_type -> user.GetInfoRequest
-	2, // 1: user.UserService.GetBalance:input_type -> user.GetBalanceRequest
-	4, // 2: user.UserService.GetStatistics:input_type -> user.GetStatisticsRequest
-	6, // 3: user.UserService.GetBalanceStatistics:input_type -> user.GetBalanceStatisticsRequest
-	1, // 4: user.UserService.GetInfo:output_type -> user.GetInfoResponse
-	3, // 5: user.UserService.GetBalance:output_type -> user.GetBalanceResponse
-	5, // 6: user.UserService.GetStatistics:output_type -> user.GetStatisticsResponse
-	7, // 7: user.UserService.GetBalanceStatistics:output_type -> user.GetBalanceStatisticsResponse
-	4, // [4:8] is the sub-list for method output_type
-	0, // [0:4] is the sub-list for method input_type
-	0, // [0:0] is the sub-list for extension type_name
-	0, // [0:0] is the sub-list for extension extendee
-	0, // [0:0] is the sub-list for field type_name
+	7, // 0: user.GetBalanceStatisticsResponse.write_off_history:type_name -> user.WriteOffHistoryItem
+	0, // 1: user.UserService.GetInfo:input_type -> user.GetInfoRequest
+	2, // 2: user.UserService.GetBalance:input_type -> user.GetBalanceRequest
+	4, // 3: user.UserService.GetStatistics:input_type -> user.GetStatisticsRequest
+	6, // 4: user.UserService.GetBalanceStatistics:input_type -> user.GetBalanceStatisticsRequest
+	1, // 5: user.UserService.GetInfo:output_type -> user.GetInfoResponse
+	3, // 6: user.UserService.GetBalance:output_type -> user.GetBalanceResponse
+	5, // 7: user.UserService.GetStatistics:output_type -> user.GetStatisticsResponse
+	8, // 8: user.UserService.GetBalanceStatistics:output_type -> user.GetBalanceStatisticsResponse
+	5, // [5:9] is the sub-list for method output_type
+	1, // [1:5] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
 }
 
 func init() { file_user_user_proto_init() }
@@ -534,7 +581,7 @@ func file_user_user_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_user_user_proto_rawDesc), len(file_user_user_proto_rawDesc)),
 			NumEnums:      0,
-			NumMessages:   8,
+			NumMessages:   9,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

tests/auth_handler_test.go

@@ -208,7 +208,7 @@ func (s *IntegrationSuite) TestAuthHandler_RegisterInvalidInviteCode() {
 
 	st, ok := status.FromError(err)
 	s.True(ok)
-	s.Equal(codes.FailedPrecondition, st.Code())
+	s.Equal(codes.NotFound, st.Code())
 }
 
 func (s *IntegrationSuite) TestAuthHandler_RegisterExpiredInviteCode() {
@@ -232,7 +232,7 @@ func (s *IntegrationSuite) TestAuthHandler_RegisterExpiredInviteCode() {
 
 	st, ok := status.FromError(err)
 	s.True(ok)
-	s.Equal(codes.FailedPrecondition, st.Code())
+	s.Equal(codes.NotFound, st.Code())
 }
 
 func (s *IntegrationSuite) TestAuthHandler_RegisterExhaustedInviteCode() {
@@ -270,7 +270,7 @@ func (s *IntegrationSuite) TestAuthHandler_RegisterExhaustedInviteCode() {
 
 	st, ok := status.FromError(err)
 	s.True(ok)
-	s.Equal(codes.FailedPrecondition, st.Code())
+	s.Equal(codes.NotFound, st.Code())
 }
 
 func (s *IntegrationSuite) TestAuthHandler_RegisterDuplicateEmail() {

tests/concurrent_ownership_test.go

@@ -0,0 +1,243 @@
+package tests
+
+import (
+	"sync"
+	"sync/atomic"
+
+	authpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/auth"
+	requestpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/request"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+func (s *IntegrationSuite) TestConcurrentOwnership_User2TriesApproveTZ_WhileUser1Creates() {
+	email1, password1, _ := s.createUniqueTestUser("owner1", 1000.0)
+	email2, password2, _ := s.createUniqueTestUser("attacker1", 1000.0)
+
+	login1, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email1,
+		Password:  password1,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+
+	validate1, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: login1.AccessToken,
+	})
+	s.Require().NoError(err)
+	user1ID := validate1.UserId
+
+	login2, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email2,
+		Password:  password2,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+
+	validate2, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: login2.AccessToken,
+	})
+	s.Require().NoError(err)
+	user2ID := validate2.UserId
+
+	createResp, err := s.requestClient.CreateTZ(s.ctx, &requestpb.CreateTZRequest{
+		UserId:     user1ID,
+		RequestTxt: "Request от User1 для теста ownership",
+	})
+	s.Require().NoError(err)
+	requestID := createResp.RequestId
+
+	var wg sync.WaitGroup
+	var user1Success, user2Denied int32
+
+	startBarrier := make(chan struct{})
+
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		<-startBarrier
+
+		_, err := s.requestClient.ApproveTZ(s.ctx, &requestpb.ApproveTZRequest{
+			RequestId: requestID,
+			FinalTz:   "User1 approves",
+			UserId:    user1ID,
+		})
+		if err == nil {
+			atomic.AddInt32(&user1Success, 1)
+		}
+	}()
+
+	for i := 0; i < 5; i++ {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			<-startBarrier
+
+			_, err := s.requestClient.ApproveTZ(s.ctx, &requestpb.ApproveTZRequest{
+				RequestId: requestID,
+				FinalTz:   "User2 tries to approve",
+				UserId:    user2ID,
+			})
+			if err != nil {
+				st, ok := status.FromError(err)
+				if ok && st.Code() == codes.PermissionDenied {
+					atomic.AddInt32(&user2Denied, 1)
+				}
+			}
+		}()
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("User1 success: %d, User2 denied: %d", user1Success, user2Denied)
+
+	s.Equal(int32(5), user2Denied,
+		"Все попытки User2 должны быть отклонены с PermissionDenied")
+}
+
+func (s *IntegrationSuite) TestConcurrentOwnership_ConcurrentApproveTZ_SameRequest() {
+	email, password, _ := s.createUniqueTestUser("concurrent_approve", 1000.0)
+
+	loginResp, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email,
+		Password:  password,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+
+	validateResp, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	})
+	s.Require().NoError(err)
+	userID := validateResp.UserId
+
+	createResp, err := s.requestClient.CreateTZ(s.ctx, &requestpb.CreateTZRequest{
+		UserId:     userID,
+		RequestTxt: "Request для concurrent ApproveTZ",
+	})
+	s.Require().NoError(err)
+	requestID := createResp.RequestId
+
+	var wg sync.WaitGroup
+	var successCount int32
+	goroutines := 5
+
+	startBarrier := make(chan struct{})
+
+	for i := 0; i < goroutines; i++ {
+		wg.Add(1)
+		go func(idx int) {
+			defer wg.Done()
+			<-startBarrier
+
+			_, err := s.requestClient.ApproveTZ(s.ctx, &requestpb.ApproveTZRequest{
+				RequestId: requestID,
+				FinalTz:   "Concurrent approve attempt",
+				UserId:    userID,
+			})
+			if err == nil {
+				atomic.AddInt32(&successCount, 1)
+			}
+		}(i)
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("Concurrent ApproveTZ success count: %d", successCount)
+
+	suppliersCount := s.getRequestSuppliersCount(requestID)
+	s.T().Logf("Total suppliers for request: %d", suppliersCount)
+}
+
+func (s *IntegrationSuite) TestConcurrentOwnership_SessionIsolation_AfterLogout() {
+	email1, password1, _ := s.createUniqueTestUser("session_iso1", 1000.0)
+	email2, password2, _ := s.createUniqueTestUser("session_iso2", 1000.0)
+
+	login1, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email1,
+		Password:  password1,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+	user1Token := login1.AccessToken
+
+	validate1, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: user1Token,
+	})
+	s.Require().NoError(err)
+	s.True(validate1.Valid)
+
+	login2, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email2,
+		Password:  password2,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+	user2Token := login2.AccessToken
+
+	_, err = s.authClient.Logout(s.ctx, &authpb.LogoutRequest{
+		AccessToken: user1Token,
+	})
+	s.Require().NoError(err)
+
+	validate1After, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: user1Token,
+	})
+	s.NoError(err)
+	s.False(validate1After.Valid,
+		"Токен User1 должен быть невалиден после logout")
+
+	validate2After, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: user2Token,
+	})
+	s.NoError(err)
+	s.True(validate2After.Valid,
+		"Токен User2 должен оставаться валидным после logout User1")
+
+	var wg sync.WaitGroup
+	var user1Invalid, user2Valid int32
+	goroutines := 10
+
+	startBarrier := make(chan struct{})
+
+	for i := 0; i < goroutines; i++ {
+		wg.Add(1)
+		go func(idx int) {
+			defer wg.Done()
+			<-startBarrier
+
+			if idx%2 == 0 {
+				resp, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+					AccessToken: user1Token,
+				})
+				if err == nil && !resp.Valid {
+					atomic.AddInt32(&user1Invalid, 1)
+				}
+			} else {
+				resp, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+					AccessToken: user2Token,
+				})
+				if err == nil && resp.Valid {
+					atomic.AddInt32(&user2Valid, 1)
+				}
+			}
+		}(i)
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("Session isolation - User1 invalid: %d, User2 valid: %d", user1Invalid, user2Valid)
+
+	s.Equal(int32(goroutines/2), user1Invalid,
+		"Все проверки токена User1 должны показать invalid")
+	s.Equal(int32(goroutines/2), user2Valid,
+		"Все проверки токена User2 должны показать valid")
+}

tests/concurrent_registration_test.go

@@ -0,0 +1,178 @@
+package tests
+
+import (
+	"fmt"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	authpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/auth"
+)
+
+func (s *IntegrationSuite) TestConcurrent_Registration_WithSingleInviteCode() {
+	maxUses := 3
+	inviteCode := s.createActiveInviteCode(maxUses)
+
+	var wg sync.WaitGroup
+	var successCount int32
+	var errorCount int32
+	goroutines := 20
+
+	startBarrier := make(chan struct{})
+
+	for i := 0; i < goroutines; i++ {
+		wg.Add(1)
+		go func(idx int) {
+			defer wg.Done()
+
+			<-startBarrier
+
+			email := fmt.Sprintf("concurrent_reg_%d_%d@example.com", idx, time.Now().UnixNano())
+
+			_, err := s.authClient.Register(s.ctx, &authpb.RegisterRequest{
+				Email:      email,
+				Password:   "testpassword123",
+				Name:       fmt.Sprintf("User %d", idx),
+				Phone:      fmt.Sprintf("+1%010d", idx),
+				InviteCode: inviteCode,
+				Ip:         "127.0.0.1",
+				UserAgent:  "integration-test",
+			})
+
+			if err == nil {
+				atomic.AddInt32(&successCount, 1)
+			} else {
+				atomic.AddInt32(&errorCount, 1)
+			}
+		}(i)
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("Registration results - Success: %d, Errors: %d", successCount, errorCount)
+
+	s.LessOrEqual(int(successCount), maxUses,
+		"Количество успешных регистраций (%d) не должно превышать лимит invite-кода (%d)", successCount, maxUses)
+
+	remainingUses := s.getInviteCodeUsageCount(inviteCode)
+	s.T().Logf("Remaining invite code uses: %d", remainingUses)
+
+	s.Equal(maxUses-int(successCount), remainingUses,
+		"Оставшееся количество использований должно соответствовать успешным регистрациям")
+}
+
+func (s *IntegrationSuite) TestConcurrent_Registration_InviteCodeDeactivation() {
+	maxUses := 2
+	inviteCode := s.createActiveInviteCode(maxUses)
+
+	s.True(s.isInviteCodeActive(inviteCode), "Invite code должен быть активен изначально")
+
+	var wg sync.WaitGroup
+	var successCount int32
+	goroutines := 10
+
+	startBarrier := make(chan struct{})
+
+	for i := 0; i < goroutines; i++ {
+		wg.Add(1)
+		go func(idx int) {
+			defer wg.Done()
+
+			<-startBarrier
+
+			email := fmt.Sprintf("deactivation_test_%d_%d@example.com", idx, time.Now().UnixNano())
+
+			_, err := s.authClient.Register(s.ctx, &authpb.RegisterRequest{
+				Email:      email,
+				Password:   "testpassword123",
+				Name:       fmt.Sprintf("User %d", idx),
+				Phone:      fmt.Sprintf("+2%010d", idx),
+				InviteCode: inviteCode,
+				Ip:         "127.0.0.1",
+				UserAgent:  "integration-test",
+			})
+
+			if err == nil {
+				atomic.AddInt32(&successCount, 1)
+			}
+		}(i)
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("Registration success count: %d", successCount)
+
+	s.LessOrEqual(int(successCount), maxUses,
+		"Не должно быть больше %d успешных регистраций", maxUses)
+
+	remainingUses := s.getInviteCodeUsageCount(inviteCode)
+	s.GreaterOrEqual(remainingUses, 0,
+		"Количество использований не должно быть отрицательным")
+}
+
+func (s *IntegrationSuite) TestConcurrent_Registration_MultipleInviteCodes() {
+	inviteCode1 := s.createActiveInviteCode(2)
+	inviteCode2 := s.createActiveInviteCode(2)
+
+	var wg sync.WaitGroup
+	var success1, success2 int32
+	goroutines := 10
+
+	startBarrier := make(chan struct{})
+
+	for i := 0; i < goroutines; i++ {
+		wg.Add(1)
+		go func(idx int) {
+			defer wg.Done()
+
+			<-startBarrier
+
+			var code int64
+			if idx%2 == 0 {
+				code = inviteCode1
+			} else {
+				code = inviteCode2
+			}
+
+			email := fmt.Sprintf("multi_invite_%d_%d@example.com", idx, time.Now().UnixNano())
+
+			_, err := s.authClient.Register(s.ctx, &authpb.RegisterRequest{
+				Email:      email,
+				Password:   "testpassword123",
+				Name:       fmt.Sprintf("User %d", idx),
+				Phone:      fmt.Sprintf("+3%010d", idx),
+				InviteCode: code,
+				Ip:         "127.0.0.1",
+				UserAgent:  "integration-test",
+			})
+
+			if err == nil {
+				if code == inviteCode1 {
+					atomic.AddInt32(&success1, 1)
+				} else {
+					atomic.AddInt32(&success2, 1)
+				}
+			}
+		}(i)
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("Multi-invite results - Code1: %d, Code2: %d", success1, success2)
+
+	s.LessOrEqual(int(success1), 2,
+		"Invite code 1 не должен превышать лимит")
+	s.LessOrEqual(int(success2), 2,
+		"Invite code 2 не должен превышать лимит")
+
+	remaining1 := s.getInviteCodeUsageCount(inviteCode1)
+	remaining2 := s.getInviteCodeUsageCount(inviteCode2)
+
+	s.Equal(2-int(success1), remaining1,
+		"Остаток invite code 1 должен соответствовать успешным регистрациям")
+	s.Equal(2-int(success2), remaining2,
+		"Остаток invite code 2 должен соответствовать успешным регистрациям")
+}

tests/concurrent_request_test.go

@@ -0,0 +1,219 @@
+package tests
+
+import (
+	"sync"
+	"sync/atomic"
+
+	authpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/auth"
+	requestpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/request"
+)
+
+func (s *IntegrationSuite) TestConcurrentRequest_CreateTZ_LimitedBalance() {
+	initialBalance := 50.0
+	email, password, userID := s.createUniqueTestUser("limited_balance_tz", initialBalance)
+
+	loginResp, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email,
+		Password:  password,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+
+	validateResp, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	})
+	s.Require().NoError(err)
+
+	var wg sync.WaitGroup
+	var successCount int32
+	var errorCount int32
+	goroutines := 20
+
+	startBarrier := make(chan struct{})
+
+	for i := 0; i < goroutines; i++ {
+		wg.Add(1)
+		go func(idx int) {
+			defer wg.Done()
+			<-startBarrier
+
+			_, err := s.requestClient.CreateTZ(s.ctx, &requestpb.CreateTZRequest{
+				UserId:     validateResp.UserId,
+				RequestTxt: "Параллельный CreateTZ с ограниченным балансом",
+			})
+
+			if err == nil {
+				atomic.AddInt32(&successCount, 1)
+			} else {
+				atomic.AddInt32(&errorCount, 1)
+			}
+		}(i)
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("CreateTZ with limited balance - Success: %d, Errors: %d", successCount, errorCount)
+
+	finalBalance := s.getUserBalance(userID)
+	s.T().Logf("Final balance: %.4f (initial: %.4f)", finalBalance, initialBalance)
+
+	s.GreaterOrEqual(finalBalance, 0.0,
+		"Баланс не должен быть отрицательным")
+
+	var requestsWithTZ int
+	err = s.pool.QueryRow(s.ctx,
+		"SELECT COUNT(*) FROM requests_for_suppliers WHERE user_id = $1 AND generated_tz = true",
+		userID,
+	).Scan(&requestsWithTZ)
+	s.NoError(err)
+
+	s.T().Logf("Requests with generated TZ: %d", requestsWithTZ)
+
+	s.GreaterOrEqual(requestsWithTZ, 0,
+		"Количество запросов с TZ должно быть >= 0")
+
+	s.LessOrEqual(requestsWithTZ, int(successCount),
+		"Количество запросов с TZ не должно превышать успешные операции")
+}
+
+func (s *IntegrationSuite) TestConcurrentRequest_MultipleUsers_CreateTZ() {
+	user1Email, user1Pass, user1ID := s.createUniqueTestUser("multi_user1", 500.0)
+	user2Email, user2Pass, user2ID := s.createUniqueTestUser("multi_user2", 500.0)
+	user3Email, user3Pass, user3ID := s.createUniqueTestUser("multi_user3", 500.0)
+
+	login1, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email: user1Email, Password: user1Pass, Ip: "127.0.0.1", UserAgent: "test",
+	})
+	s.Require().NoError(err)
+	validate1, _ := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{AccessToken: login1.AccessToken})
+
+	login2, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email: user2Email, Password: user2Pass, Ip: "127.0.0.1", UserAgent: "test",
+	})
+	s.Require().NoError(err)
+	validate2, _ := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{AccessToken: login2.AccessToken})
+
+	login3, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email: user3Email, Password: user3Pass, Ip: "127.0.0.1", UserAgent: "test",
+	})
+	s.Require().NoError(err)
+	validate3, _ := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{AccessToken: login3.AccessToken})
+
+	users := []struct {
+		userID int64
+		id     int
+	}{
+		{validate1.UserId, user1ID},
+		{validate2.UserId, user2ID},
+		{validate3.UserId, user3ID},
+	}
+
+	var wg sync.WaitGroup
+	var totalSuccess int32
+	requestsPerUser := 5
+
+	startBarrier := make(chan struct{})
+
+	for _, user := range users {
+		for i := 0; i < requestsPerUser; i++ {
+			wg.Add(1)
+			go func(uid int64) {
+				defer wg.Done()
+				<-startBarrier
+
+				_, err := s.requestClient.CreateTZ(s.ctx, &requestpb.CreateTZRequest{
+					UserId:     uid,
+					RequestTxt: "Multi-user concurrent CreateTZ",
+				})
+
+				if err == nil {
+					atomic.AddInt32(&totalSuccess, 1)
+				}
+			}(user.userID)
+		}
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("Multi-user CreateTZ total success: %d", totalSuccess)
+
+	for _, user := range users {
+		balance := s.getUserBalance(user.id)
+		s.T().Logf("User %d final balance: %.4f", user.id, balance)
+		s.GreaterOrEqual(balance, 0.0,
+			"Баланс пользователя %d не должен быть отрицательным", user.id)
+	}
+}
+
+func (s *IntegrationSuite) TestConcurrentRequest_BalanceDeduction_Consistency() {
+	initialBalance := 1000.0
+	email, password, userID := s.createUniqueTestUser("balance_consistency", initialBalance)
+
+	loginResp, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email,
+		Password:  password,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+
+	validateResp, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	})
+	s.Require().NoError(err)
+
+	var wg sync.WaitGroup
+	var successCount int32
+	goroutines := 10
+
+	startBarrier := make(chan struct{})
+
+	for i := 0; i < goroutines; i++ {
+		wg.Add(1)
+		go func(idx int) {
+			defer wg.Done()
+			<-startBarrier
+
+			_, err := s.requestClient.CreateTZ(s.ctx, &requestpb.CreateTZRequest{
+				UserId:     validateResp.UserId,
+				RequestTxt: "Balance consistency test",
+			})
+
+			if err == nil {
+				atomic.AddInt32(&successCount, 1)
+			}
+		}(i)
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("Successful CreateTZ operations: %d", successCount)
+
+	finalBalance := s.getUserBalance(userID)
+	balanceSpent := initialBalance - finalBalance
+	s.T().Logf("Balance spent: %.4f", balanceSpent)
+
+	var totalTokenCost float64
+	err = s.pool.QueryRow(s.ctx, `
+		SELECT COALESCE(SUM(tu.token_cost), 0) 
+		FROM request_token_usage tu
+		JOIN requests_for_suppliers r ON tu.request_id = r.id
+		WHERE r.user_id = $1
+	`, userID).Scan(&totalTokenCost)
+	s.NoError(err)
+
+	s.T().Logf("Total token cost from DB: %.4f", totalTokenCost)
+
+	s.GreaterOrEqual(finalBalance, 0.0,
+		"Баланс не должен быть отрицательным")
+
+	if totalTokenCost > 0 {
+		tolerance := 0.01
+		s.InDelta(totalTokenCost, balanceSpent, tolerance,
+			"Сумма token_cost должна соответствовать списанному балансу")
+	}
+}

tests/edge_cases_test.go

@@ -283,3 +283,140 @@ func (s *IntegrationSuite) TestEdgeCase_LoginWithWrongPassword() {
 	s.True(ok)
 	s.Equal(codes.Unauthenticated, st.Code())
 }
+
+func (s *IntegrationSuite) TestEdgeCase_ApproveTZTwice() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+	userID := validateResp.UserId
+
+	createReq := &requestpb.CreateTZRequest{
+		UserId:     userID,
+		RequestTxt: "Тест двойного approve",
+	}
+
+	createResp, err := s.requestClient.CreateTZ(ctx, createReq)
+	s.NoError(err)
+	requestID := createResp.RequestId
+
+	approveReq1 := &requestpb.ApproveTZRequest{
+		RequestId: requestID,
+		FinalTz:   "Первое утверждение",
+		UserId:    userID,
+	}
+
+	approveResp1, err := s.requestClient.ApproveTZ(ctx, approveReq1)
+	s.NoError(err)
+	s.NotEmpty(approveResp1.RequestId)
+
+	approveReq2 := &requestpb.ApproveTZRequest{
+		RequestId: requestID,
+		FinalTz:   "Второе утверждение",
+		UserId:    userID,
+	}
+
+	approveResp2, err := s.requestClient.ApproveTZ(ctx, approveReq2)
+	s.NoError(err)
+	s.NotEmpty(approveResp2.RequestId)
+}
+
+func (s *IntegrationSuite) TestEdgeCase_CreateTZWithVeryLongText() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+
+	_, err = s.pool.Exec(ctx, "UPDATE users SET balance = 10000 WHERE id = $1", validateResp.UserId)
+	s.NoError(err)
+
+	longText := "Нужны поставщики. "
+	for i := 0; i < 500; i++ {
+		longText += "Дополнительные требования к качеству и срокам поставки материалов. "
+	}
+
+	req := &requestpb.CreateTZRequest{
+		UserId:     validateResp.UserId,
+		RequestTxt: longText,
+	}
+
+	resp, err := s.requestClient.CreateTZ(ctx, req)
+	s.NoError(err)
+	s.NotNil(resp)
+	s.NotEmpty(resp.RequestId)
+	s.NotEmpty(resp.TzText)
+}
+
+func (s *IntegrationSuite) TestEdgeCase_ApproveTZWithVeryLongFinalTZ() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+	userID := validateResp.UserId
+
+	createReq := &requestpb.CreateTZRequest{
+		UserId:     userID,
+		RequestTxt: "Тест длинного ТЗ",
+	}
+
+	createResp, err := s.requestClient.CreateTZ(ctx, createReq)
+	s.NoError(err)
+	requestID := createResp.RequestId
+
+	longFinalTZ := "ТЕХНИЧЕСКОЕ ЗАДАНИЕ\n\n"
+	for i := 0; i < 500; i++ {
+		longFinalTZ += "Пункт требований с детальным описанием спецификации и условий поставки. "
+	}
+
+	approveReq := &requestpb.ApproveTZRequest{
+		RequestId: requestID,
+		FinalTz:   longFinalTZ,
+		UserId:    userID,
+	}
+
+	approveResp, err := s.requestClient.ApproveTZ(ctx, approveReq)
+	s.NoError(err)
+	s.NotEmpty(approveResp.RequestId)
+}

tests/full_flow_test.go

@@ -76,7 +76,7 @@ func (s *IntegrationSuite) TestFullFlow_CompleteRequestLifecycle() {
 		s.T().Logf("ApproveTZ failed: %v", err)
 		return
 	}
-	s.True(approveTZResp.Success)
+	s.NotEmpty(approveTZResp.RequestId)
 
 	getMailingListReq := &requestpb.GetMailingListRequest{
 		UserId: userID,
@@ -97,8 +97,8 @@ func (s *IntegrationSuite) TestFullFlow_CompleteRequestLifecycle() {
 		s.T().Logf("GetMailingListByID failed: %v", err)
 		return
 	}
-	s.NotNil(mailingListByIDResp.Item)
-	s.Equal(requestID, mailingListByIDResp.Item.RequestId)
+	s.NotNil(mailingListByIDResp.Detail)
+	s.Equal(requestID, mailingListByIDResp.Detail.RequestId)
 
 	exportExcelReq := &supplierpb.ExportExcelRequest{
 		RequestId: requestID,
@@ -119,7 +119,7 @@ func (s *IntegrationSuite) TestFullFlow_CompleteRequestLifecycle() {
 
 	statisticsResp, err := s.userClient.GetStatistics(ctx, getStatisticsReq)
 	s.NoError(err)
-	s.GreaterOrEqual(statisticsResp.TotalRequests, int32(0))
+	s.NotEmpty(statisticsResp.RequestsCount)
 
 	logoutReq := &authpb.LogoutRequest{
 		AccessToken: loginResp.AccessToken,
@@ -164,16 +164,90 @@ func (s *IntegrationSuite) TestFullFlow_InviteCodeLifecycle() {
 	inviteCode := generateInviteResp.Code
 
 	getInviteInfoReq := &invitepb.GetInfoRequest{
-		Code: inviteCode,
+		UserId: userID,
 	}
 
 	inviteInfoResp, err := s.inviteClient.GetInfo(ctx, getInviteInfoReq)
 	s.NoError(err)
 	s.Equal(inviteCode, inviteInfoResp.Code)
-	s.Equal(userID, inviteInfoResp.UserId)
 	s.Equal(generateInviteResp.MaxUses, inviteInfoResp.CanBeUsedCount)
-	s.Equal(int32(0), inviteInfoResp.UsedCount)
-	s.True(inviteInfoResp.IsActive)
+
+	logoutReq := &authpb.LogoutRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	logoutResp, err := s.authClient.Logout(ctx, logoutReq)
+	s.NoError(err)
+	s.True(logoutResp.Success)
+}
+
+func (s *IntegrationSuite) TestFullFlow_CreateTZ_ApproveTZ_GetMailingListByID_ExportExcel() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+	s.NotEmpty(loginResp.AccessToken)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+	s.True(validateResp.Valid)
+	userID := validateResp.UserId
+
+	createTZReq := &requestpb.CreateTZRequest{
+		UserId:     userID,
+		RequestTxt: "Нужны поставщики офисной мебели: столы 20 шт, стулья 50 шт",
+	}
+
+	createTZResp, err := s.requestClient.CreateTZ(ctx, createTZReq)
+	s.NoError(err)
+	s.NotEmpty(createTZResp.RequestId)
+	s.NotEmpty(createTZResp.TzText)
+	requestID := createTZResp.RequestId
+
+	approveTZReq := &requestpb.ApproveTZRequest{
+		RequestId: requestID,
+		FinalTz:   createTZResp.TzText,
+		UserId:    userID,
+	}
+
+	approveTZResp, err := s.requestClient.ApproveTZ(ctx, approveTZReq)
+	s.NoError(err)
+	s.NotEmpty(approveTZResp.RequestId)
+
+	getMailingListByIDReq := &requestpb.GetMailingListByIDRequest{
+		RequestId: requestID,
+		UserId:    userID,
+	}
+
+	mailingListByIDResp, err := s.requestClient.GetMailingListByID(ctx, getMailingListByIDReq)
+	s.NoError(err)
+	s.NotNil(mailingListByIDResp.Detail)
+	s.Equal(requestID, mailingListByIDResp.Detail.RequestId)
+	s.Greater(len(mailingListByIDResp.Detail.Suppliers), 0)
+
+	exportExcelReq := &supplierpb.ExportExcelRequest{
+		RequestId: requestID,
+		UserId:    userID,
+	}
+
+	exportExcelResp, err := s.supplierClient.ExportExcel(ctx, exportExcelReq)
+	s.NoError(err)
+	s.NotNil(exportExcelResp)
+	s.NotEmpty(exportExcelResp.FileName)
+	s.NotEmpty(exportExcelResp.FileData)
+	s.Equal("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", exportExcelResp.MimeType)
+	s.Greater(len(exportExcelResp.FileData), 0)
 
 	logoutReq := &authpb.LogoutRequest{
 		AccessToken: loginResp.AccessToken,

tests/idempotency_test.go

@@ -0,0 +1,155 @@
+package tests
+
+import (
+	"fmt"
+	"time"
+
+	authpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/auth"
+	requestpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/request"
+)
+
+func (s *IntegrationSuite) TestIdempotency_DoubleCreateTZ_CreatesTwoRequests() {
+	email, password, userID := s.createUniqueTestUser("idempotency_tz", 1000.0)
+
+	loginResp, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email,
+		Password:  password,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+
+	validateResp, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	})
+	s.Require().NoError(err)
+
+	requestText := "Одинаковый текст запроса для теста идемпотентности"
+
+	resp1, err := s.requestClient.CreateTZ(s.ctx, &requestpb.CreateTZRequest{
+		UserId:     validateResp.UserId,
+		RequestTxt: requestText,
+	})
+	s.Require().NoError(err)
+	requestID1 := resp1.RequestId
+
+	resp2, err := s.requestClient.CreateTZ(s.ctx, &requestpb.CreateTZRequest{
+		UserId:     validateResp.UserId,
+		RequestTxt: requestText,
+	})
+	s.Require().NoError(err)
+	requestID2 := resp2.RequestId
+
+	s.T().Logf("Request 1 ID: %s", requestID1)
+	s.T().Logf("Request 2 ID: %s", requestID2)
+
+	s.NotEqual(requestID1, requestID2,
+		"Два вызова CreateTZ должны создать два разных request")
+
+	var requestCount int
+	err = s.pool.QueryRow(s.ctx,
+		"SELECT COUNT(*) FROM requests_for_suppliers WHERE user_id = $1 AND request_txt = $2",
+		userID, requestText,
+	).Scan(&requestCount)
+	s.NoError(err)
+
+	s.Equal(2, requestCount,
+		"Должно быть создано 2 запроса с одинаковым текстом")
+}
+
+func (s *IntegrationSuite) TestIdempotency_DoubleRegister_SameInviteCode() {
+	inviteCode := s.createActiveInviteCode(5)
+
+	email1 := fmt.Sprintf("double_reg1_%d@example.com", time.Now().UnixNano())
+
+	resp1, err := s.authClient.Register(s.ctx, &authpb.RegisterRequest{
+		Email:      email1,
+		Password:   "testpassword",
+		Name:       "User 1",
+		Phone:      fmt.Sprintf("+1%010d", time.Now().UnixNano()%10000000000),
+		InviteCode: inviteCode,
+		Ip:         "127.0.0.1",
+		UserAgent:  "test-agent",
+	})
+	s.Require().NoError(err)
+	s.NotEmpty(resp1.AccessToken)
+
+	email2 := fmt.Sprintf("double_reg2_%d@example.com", time.Now().UnixNano())
+
+	resp2, err := s.authClient.Register(s.ctx, &authpb.RegisterRequest{
+		Email:      email2,
+		Password:   "testpassword",
+		Name:       "User 2",
+		Phone:      fmt.Sprintf("+2%010d", time.Now().UnixNano()%10000000000),
+		InviteCode: inviteCode,
+		Ip:         "127.0.0.1",
+		UserAgent:  "test-agent",
+	})
+	s.Require().NoError(err)
+	s.NotEmpty(resp2.AccessToken)
+
+	remainingUses := s.getInviteCodeUsageCount(inviteCode)
+	s.T().Logf("Remaining invite uses: %d", remainingUses)
+
+	s.Equal(3, remainingUses,
+		"После двух регистраций должно остаться 3 использования (5-2)")
+
+	validate1, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: resp1.AccessToken,
+	})
+	s.NoError(err)
+
+	validate2, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: resp2.AccessToken,
+	})
+	s.NoError(err)
+
+	s.NotEqual(validate1.UserId, validate2.UserId,
+		"Должны быть созданы два разных пользователя")
+}
+
+func (s *IntegrationSuite) TestIdempotency_DoubleLogout_SameToken() {
+	email, password, _ := s.createUniqueTestUser("double_logout", 100.0)
+
+	loginResp, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email,
+		Password:  password,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+	accessToken := loginResp.AccessToken
+
+	validateBefore, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: accessToken,
+	})
+	s.NoError(err)
+	s.True(validateBefore.Valid)
+
+	logout1, err := s.authClient.Logout(s.ctx, &authpb.LogoutRequest{
+		AccessToken: accessToken,
+	})
+	s.NoError(err)
+	s.True(logout1.Success)
+
+	validateAfter1, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: accessToken,
+	})
+	s.NoError(err)
+	s.False(validateAfter1.Valid,
+		"Токен должен быть невалиден после первого logout")
+
+	logout2, err := s.authClient.Logout(s.ctx, &authpb.LogoutRequest{
+		AccessToken: accessToken,
+	})
+	s.NoError(err)
+	s.True(logout2.Success,
+		"Повторный logout должен быть успешным (идемпотентность)")
+
+	validateAfter2, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: accessToken,
+	})
+	s.NoError(err)
+	s.False(validateAfter2.Valid,
+		"Токен должен оставаться невалидным после повторного logout")
+}

tests/integration_suite_test.go

@@ -78,7 +78,8 @@ func (s *IntegrationSuite) SetupSuite() {
 	s.T().Logf("PostgreSQL connection string: %s", connStr)
 
 	s.T().Log("Running migrations...")
-	err = database.RunMigrationsFromPath(connStr, "../migrations")
+	logger, _ := zap.NewDevelopment()
+	err = database.RunMigrationsFromPath(connStr, "../migrations", logger)
 	s.Require().NoError(err)
 
 	s.T().Log("Creating connection pool...")
@@ -94,7 +95,6 @@ func (s *IntegrationSuite) SetupSuite() {
 	s.Require().NoError(err)
 
 	s.T().Log("Creating gRPC server...")
-	logger, _ := zap.NewDevelopment()
 
 	authHandler, userHandler, inviteHandler, requestHandler, supplierHandler := grpchandlers.NewHandlers(
 		pool,
@@ -179,8 +179,8 @@ func (s *IntegrationSuite) createTestUser(email, password string) {
 func (s *IntegrationSuite) createActiveInviteCode(canBeUsedCount int) int64 {
 	var inviteCode int64
 	query := `
-		INSERT INTO invite_codes (user_id, code, can_be_used_count, used_count, is_active, expires_at)
-		VALUES (1, FLOOR(100000 + RANDOM() * 900000)::bigint, $1, 0, true, NOW() + INTERVAL '30 days')
+		INSERT INTO invite_codes (user_id, code, can_be_used_count, is_active, expires_at)
+		VALUES (1, FLOOR(100000 + RANDOM() * 900000)::bigint, $1, true, NOW() + INTERVAL '30 days')
 		RETURNING code
 	`
 	err := s.pool.QueryRow(s.ctx, query, canBeUsedCount).Scan(&inviteCode)
@@ -191,8 +191,8 @@ func (s *IntegrationSuite) createActiveInviteCode(canBeUsedCount int) int64 {
 func (s *IntegrationSuite) createExpiredInviteCode() int64 {
 	var inviteCode int64
 	query := `
-		INSERT INTO invite_codes (user_id, code, can_be_used_count, used_count, is_active, expires_at)
-		VALUES (1, FLOOR(100000 + RANDOM() * 900000)::bigint, 5, 0, true, NOW() - INTERVAL '1 day')
+		INSERT INTO invite_codes (user_id, code, can_be_used_count, is_active, expires_at)
+		VALUES (1, FLOOR(100000 + RANDOM() * 900000)::bigint, 5, true, NOW() - INTERVAL '1 day')
 		RETURNING code
 	`
 	err := s.pool.QueryRow(s.ctx, query).Scan(&inviteCode)
@@ -233,3 +233,146 @@ func (s *IntegrationSuite) TearDownTest() {
 	_, _ = s.pool.Exec(s.ctx, "DELETE FROM suppliers")
 	_, _ = s.pool.Exec(s.ctx, "DELETE FROM requests_for_suppliers")
 }
+
+func (s *IntegrationSuite) createSecondTestUser() (email string, password string, userID int64) {
+	email = "second_user@example.com"
+	password = "secondpassword"
+
+	cryptoHelper := crypto.NewCrypto(testCryptoSecret)
+
+	encryptedEmail, err := cryptoHelper.Encrypt(email)
+	s.Require().NoError(err)
+
+	encryptedPhone, err := cryptoHelper.Encrypt("+9876543210")
+	s.Require().NoError(err)
+
+	encryptedUserName, err := cryptoHelper.Encrypt("Second User")
+	s.Require().NoError(err)
+
+	emailHash := cryptoHelper.EmailHash(email)
+	passwordHash := crypto.PasswordHash(password)
+
+	query := `
+		INSERT INTO users (email, email_hash, password_hash, phone, user_name, company_name, balance, payment_status, invites_issued, invites_limit)
+		VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
+		ON CONFLICT (email_hash) DO UPDATE SET balance = $7
+		RETURNING id
+	`
+
+	err = s.pool.QueryRow(s.ctx, query,
+		encryptedEmail,
+		emailHash,
+		passwordHash,
+		encryptedPhone,
+		encryptedUserName,
+		"Second Company",
+		1000.0,
+		"active",
+		0,
+		10,
+	).Scan(&userID)
+	s.Require().NoError(err)
+
+	return email, password, userID
+}
+
+func (s *IntegrationSuite) getInviteCodeUsageCount(code int64) int {
+	var count int
+	err := s.pool.QueryRow(s.ctx,
+		"SELECT can_be_used_count FROM invite_codes WHERE code = $1",
+		code,
+	).Scan(&count)
+	if err != nil {
+		return -1
+	}
+	return count
+}
+
+func (s *IntegrationSuite) getRequestSuppliersCount(requestID string) int {
+	var count int
+	err := s.pool.QueryRow(s.ctx,
+		"SELECT COUNT(*) FROM suppliers WHERE request_id = $1::uuid",
+		requestID,
+	).Scan(&count)
+	if err != nil {
+		return -1
+	}
+	return count
+}
+
+func (s *IntegrationSuite) getUserBalance(userID int) float64 {
+	var balance float64
+	err := s.pool.QueryRow(s.ctx,
+		"SELECT balance FROM users WHERE id = $1",
+		userID,
+	).Scan(&balance)
+	if err != nil {
+		return -1
+	}
+	return balance
+}
+
+func (s *IntegrationSuite) getTokenUsageCount(requestID string) int {
+	var count int
+	err := s.pool.QueryRow(s.ctx,
+		"SELECT COUNT(*) FROM request_token_usage WHERE request_id = $1::uuid",
+		requestID,
+	).Scan(&count)
+	if err != nil {
+		return -1
+	}
+	return count
+}
+
+func (s *IntegrationSuite) createUniqueTestUser(suffix string, balance float64) (email string, password string, userID int) {
+	email = fmt.Sprintf("user_%s_%d@example.com", suffix, time.Now().UnixNano())
+	password = "testpassword"
+
+	cryptoHelper := crypto.NewCrypto(testCryptoSecret)
+
+	encryptedEmail, err := cryptoHelper.Encrypt(email)
+	s.Require().NoError(err)
+
+	encryptedPhone, err := cryptoHelper.Encrypt(fmt.Sprintf("+1%d", time.Now().UnixNano()%10000000000))
+	s.Require().NoError(err)
+
+	encryptedUserName, err := cryptoHelper.Encrypt(fmt.Sprintf("User %s", suffix))
+	s.Require().NoError(err)
+
+	emailHash := cryptoHelper.EmailHash(email)
+	passwordHash := crypto.PasswordHash(password)
+
+	query := `
+		INSERT INTO users (email, email_hash, password_hash, phone, user_name, company_name, balance, payment_status, invites_issued, invites_limit)
+		VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
+		RETURNING id
+	`
+
+	err = s.pool.QueryRow(s.ctx, query,
+		encryptedEmail,
+		emailHash,
+		passwordHash,
+		encryptedPhone,
+		encryptedUserName,
+		"Test Company",
+		balance,
+		"active",
+		0,
+		10,
+	).Scan(&userID)
+	s.Require().NoError(err)
+
+	return email, password, userID
+}
+
+func (s *IntegrationSuite) isInviteCodeActive(code int64) bool {
+	var isActive bool
+	err := s.pool.QueryRow(s.ctx,
+		"SELECT is_active FROM invite_codes WHERE code = $1",
+		code,
+	).Scan(&isActive)
+	if err != nil {
+		return false
+	}
+	return isActive
+}

tests/invite_handler_test.go

@@ -26,9 +26,9 @@ func (s *IntegrationSuite) TestInviteHandler_GenerateWithNonExistentUser() {
 	s.Contains([]codes.Code{codes.NotFound, codes.Internal, codes.Unknown}, st.Code())
 }
 
-func (s *IntegrationSuite) TestInviteHandler_GetInfoWithInvalidCode() {
+func (s *IntegrationSuite) TestInviteHandler_GetInfoWithNonExistentUser() {
 	req := &invitepb.GetInfoRequest{
-		Code: "999999999",
+		UserId: 999999,
 	}
 
 	resp, err := s.inviteClient.GetInfo(context.Background(), req)
@@ -41,17 +41,6 @@ func (s *IntegrationSuite) TestInviteHandler_GetInfoWithInvalidCode() {
 	s.Equal(codes.NotFound, st.Code())
 }
 
-func (s *IntegrationSuite) TestInviteHandler_GetInfoWithInvalidCodeFormat() {
-	req := &invitepb.GetInfoRequest{
-		Code: "invalid-code",
-	}
-
-	resp, err := s.inviteClient.GetInfo(context.Background(), req)
-
-	s.Error(err)
-	s.Nil(resp)
-}
-
 func (s *IntegrationSuite) TestInviteHandler_GenerateAndGetInfoFlow() {
 	ctx := context.Background()
 
@@ -87,17 +76,14 @@ func (s *IntegrationSuite) TestInviteHandler_GenerateAndGetInfoFlow() {
 	s.NotNil(generateResp.ExpiresAt)
 
 	getInfoReq := &invitepb.GetInfoRequest{
-		Code: generateResp.Code,
+		UserId: validateResp.UserId,
 	}
 
 	infoResp, err := s.inviteClient.GetInfo(ctx, getInfoReq)
 	s.NoError(err)
 	s.NotNil(infoResp)
 	s.Equal(generateResp.Code, infoResp.Code)
-	s.Equal(validateResp.UserId, infoResp.UserId)
 	s.Equal(generateResp.MaxUses, infoResp.CanBeUsedCount)
-	s.Equal(int32(0), infoResp.UsedCount)
-	s.True(infoResp.IsActive)
 }
 
 func (s *IntegrationSuite) TestInviteHandler_GenerateWithInvalidTTL() {

tests/ownership_test.go

@@ -0,0 +1,214 @@
+package tests
+
+import (
+	"context"
+
+	authpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/auth"
+	requestpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/request"
+	supplierpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/supplier"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+func (s *IntegrationSuite) TestOwnership_GetMailingListByID_AnotherUsersRequest() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+	user1ID := validateResp.UserId
+
+	createTZReq := &requestpb.CreateTZRequest{
+		UserId:     user1ID,
+		RequestTxt: "Нужны поставщики для теста ownership",
+	}
+
+	createTZResp, err := s.requestClient.CreateTZ(ctx, createTZReq)
+	s.NoError(err)
+	s.NotEmpty(createTZResp.RequestId)
+	requestID := createTZResp.RequestId
+
+	_, _, user2ID := s.createSecondTestUser()
+
+	getMailingByIDReq := &requestpb.GetMailingListByIDRequest{
+		RequestId: requestID,
+		UserId:    user2ID,
+	}
+
+	resp, err := s.requestClient.GetMailingListByID(ctx, getMailingByIDReq)
+	s.Error(err)
+	s.Nil(resp)
+
+	st, ok := status.FromError(err)
+	s.True(ok)
+	s.Equal(codes.PermissionDenied, st.Code())
+}
+
+func (s *IntegrationSuite) TestOwnership_ApproveTZ_AnotherUsersRequest() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+	user1ID := validateResp.UserId
+
+	createTZReq := &requestpb.CreateTZRequest{
+		UserId:     user1ID,
+		RequestTxt: "Нужны поставщики для теста ownership approve",
+	}
+
+	createTZResp, err := s.requestClient.CreateTZ(ctx, createTZReq)
+	s.NoError(err)
+	s.NotEmpty(createTZResp.RequestId)
+	requestID := createTZResp.RequestId
+
+	_, _, user2ID := s.createSecondTestUser()
+
+	approveTZReq := &requestpb.ApproveTZRequest{
+		RequestId: requestID,
+		FinalTz:   "Утвержденное ТЗ от чужого пользователя",
+		UserId:    user2ID,
+	}
+
+	resp, err := s.requestClient.ApproveTZ(ctx, approveTZReq)
+	s.Error(err)
+	s.Nil(resp)
+
+	st, ok := status.FromError(err)
+	s.True(ok)
+	s.Equal(codes.PermissionDenied, st.Code())
+}
+
+func (s *IntegrationSuite) TestOwnership_ExportExcel_AnotherUsersRequest() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+	user1ID := validateResp.UserId
+
+	createTZReq := &requestpb.CreateTZRequest{
+		UserId:     user1ID,
+		RequestTxt: "Нужны поставщики для теста ownership export",
+	}
+
+	createTZResp, err := s.requestClient.CreateTZ(ctx, createTZReq)
+	s.NoError(err)
+	s.NotEmpty(createTZResp.RequestId)
+	requestID := createTZResp.RequestId
+
+	approveTZReq := &requestpb.ApproveTZRequest{
+		RequestId: requestID,
+		FinalTz:   "Утвержденное ТЗ для экспорта",
+		UserId:    user1ID,
+	}
+
+	_, err = s.requestClient.ApproveTZ(ctx, approveTZReq)
+	s.NoError(err)
+
+	_, _, user2ID := s.createSecondTestUser()
+
+	exportReq := &supplierpb.ExportExcelRequest{
+		RequestId: requestID,
+		UserId:    user2ID,
+	}
+
+	resp, err := s.supplierClient.ExportExcel(ctx, exportReq)
+	s.Error(err)
+	s.Nil(resp)
+
+	st, ok := status.FromError(err)
+	s.True(ok)
+	s.Equal(codes.PermissionDenied, st.Code())
+}
+
+func (s *IntegrationSuite) TestOwnership_GetMailingListByID_OwnRequest_Success() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+	userID := validateResp.UserId
+
+	createTZReq := &requestpb.CreateTZRequest{
+		UserId:     userID,
+		RequestTxt: "Нужны поставщики для теста ownership success",
+	}
+
+	createTZResp, err := s.requestClient.CreateTZ(ctx, createTZReq)
+	s.NoError(err)
+	s.NotEmpty(createTZResp.RequestId)
+	requestID := createTZResp.RequestId
+
+	approveTZReq := &requestpb.ApproveTZRequest{
+		RequestId: requestID,
+		FinalTz:   "Утвержденное ТЗ",
+		UserId:    userID,
+	}
+
+	_, err = s.requestClient.ApproveTZ(ctx, approveTZReq)
+	s.NoError(err)
+
+	getMailingByIDReq := &requestpb.GetMailingListByIDRequest{
+		RequestId: requestID,
+		UserId:    userID,
+	}
+
+	resp, err := s.requestClient.GetMailingListByID(ctx, getMailingByIDReq)
+	s.NoError(err)
+	s.NotNil(resp)
+	s.NotNil(resp.Detail)
+	s.Equal(requestID, resp.Detail.RequestId)
+}

tests/repository_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/google/uuid"
 )
 
-func (s *IntegrationSuite) TestRepository_InviteIncrementUsedCount() {
+func (s *IntegrationSuite) TestRepository_InviteDecrementCanBeUsedCount() {
 	inviteRepo := repository.NewInviteRepository(s.pool)
 	ctx := context.Background()
 
@@ -28,12 +28,19 @@ func (s *IntegrationSuite) TestRepository_InviteIncrementUsedCount() {
 	err = inviteRepo.Create(ctx, invite)
 	s.Require().NoError(err)
 
-	err = inviteRepo.IncrementUsedCount(ctx, invite.Code)
+	tx, err := s.pool.Begin(ctx)
+	s.Require().NoError(err)
+	defer func() { _ = tx.Rollback(ctx) }()
+
+	err = inviteRepo.DecrementCanBeUsedCountTx(ctx, tx, invite.Code)
+	s.NoError(err)
+
+	err = tx.Commit(ctx)
 	s.NoError(err)
 
 	found, err := inviteRepo.FindByCode(ctx, invite.Code)
 	s.NoError(err)
-	s.Equal(1, found.UsedCount)
+	s.Equal(9, found.CanBeUsedCount)
 }
 
 func (s *IntegrationSuite) TestRepository_InviteDeactivateExpired() {
@@ -78,6 +85,43 @@ func (s *IntegrationSuite) TestRepository_InviteGetUserInvites() {
 	s.GreaterOrEqual(len(invites), 1)
 }
 
+func (s *IntegrationSuite) TestRepository_InviteFindActiveByUserID() {
+	inviteRepo := repository.NewInviteRepository(s.pool)
+	ctx := context.Background()
+
+	var userID int
+	err := s.pool.QueryRow(ctx, "SELECT id FROM users LIMIT 1").Scan(&userID)
+	s.Require().NoError(err)
+
+	_, err = s.pool.Exec(ctx, "UPDATE invite_codes SET is_active = false WHERE user_id = $1", userID)
+	s.Require().NoError(err)
+
+	invite := &model.InviteCode{
+		UserID:         userID,
+		Code:           time.Now().UnixNano(),
+		CanBeUsedCount: 5,
+		ExpiresAt:      time.Now().Add(24 * time.Hour),
+	}
+	err = inviteRepo.Create(ctx, invite)
+	s.Require().NoError(err)
+
+	found, err := inviteRepo.FindActiveByUserID(ctx, userID)
+	s.NoError(err)
+	s.NotNil(found)
+	s.Equal(invite.Code, found.Code)
+	s.Equal(userID, found.UserID)
+	s.True(found.IsActive)
+}
+
+func (s *IntegrationSuite) TestRepository_InviteFindActiveByUserIDNotFound() {
+	inviteRepo := repository.NewInviteRepository(s.pool)
+	ctx := context.Background()
+
+	found, err := inviteRepo.FindActiveByUserID(ctx, 999999)
+	s.Error(err)
+	s.Nil(found)
+}
+
 func (s *IntegrationSuite) TestRepository_SessionRevoke() {
 	sessionRepo := repository.NewSessionRepository(s.pool)
 	ctx := context.Background()
@@ -199,6 +243,42 @@ func (s *IntegrationSuite) TestRepository_SupplierBulkInsertAndDelete() {
 	s.Equal(0, len(found))
 }
 
+func (s *IntegrationSuite) TestRepository_SupplierBulkInsertReturnsIDs() {
+	supplierRepo := repository.NewSupplierRepository(s.pool)
+	requestRepo := repository.NewRequestRepository(s.pool)
+	ctx := context.Background()
+
+	var userID int
+	err := s.pool.QueryRow(ctx, "SELECT id FROM users LIMIT 1").Scan(&userID)
+	s.Require().NoError(err)
+
+	req := &model.Request{
+		UserID:     userID,
+		RequestTxt: "Test request for supplier IDs",
+	}
+	err = requestRepo.Create(ctx, req)
+	s.Require().NoError(err)
+
+	suppliers := []*model.Supplier{
+		{Name: "Supplier A", Email: "a@test.com", Phone: "+7111"},
+		{Name: "Supplier B", Email: "b@test.com", Phone: "+7222"},
+		{Name: "Supplier C", Email: "c@test.com", Phone: "+7333"},
+	}
+
+	err = supplierRepo.BulkInsert(ctx, req.ID, suppliers)
+	s.NoError(err)
+
+	for i, sup := range suppliers {
+		s.NotZero(sup.ID, "Supplier %d should have non-zero ID after BulkInsert", i)
+		s.Equal(req.ID, sup.RequestID, "Supplier %d should have correct RequestID", i)
+	}
+
+	s.NotEqual(suppliers[0].ID, suppliers[1].ID, "Suppliers should have different IDs")
+	s.NotEqual(suppliers[1].ID, suppliers[2].ID, "Suppliers should have different IDs")
+
+	_ = supplierRepo.DeleteByRequestID(ctx, req.ID)
+}
+
 func (s *IntegrationSuite) TestRepository_TokenUsageCreate() {
 	tokenRepo := repository.NewTokenUsageRepository(s.pool)
 	requestRepo := repository.NewRequestRepository(s.pool)
@@ -226,6 +306,64 @@ func (s *IntegrationSuite) TestRepository_TokenUsageCreate() {
 	s.NoError(err)
 }
 
+func (s *IntegrationSuite) TestRepository_TokenUsageGetBalanceStatistics() {
+	tokenRepo := repository.NewTokenUsageRepository(s.pool)
+	requestRepo := repository.NewRequestRepository(s.pool)
+	ctx := context.Background()
+
+	var userID int
+	err := s.pool.QueryRow(ctx, "SELECT id FROM users LIMIT 1").Scan(&userID)
+	s.Require().NoError(err)
+
+	req := &model.Request{
+		UserID:     userID,
+		RequestTxt: "Test request for balance statistics",
+	}
+	err = requestRepo.Create(ctx, req)
+	s.Require().NoError(err)
+
+	usage1 := &model.TokenUsage{
+		RequestID:          req.ID,
+		RequestTokenCount:  100,
+		ResponseTokenCount: 50,
+		TokenCost:          10.0,
+		Type:               "openai",
+	}
+	err = tokenRepo.Create(ctx, usage1)
+	s.Require().NoError(err)
+
+	usage2 := &model.TokenUsage{
+		RequestID:          req.ID,
+		RequestTokenCount:  200,
+		ResponseTokenCount: 100,
+		TokenCost:          20.0,
+		Type:               "perplexity",
+	}
+	err = tokenRepo.Create(ctx, usage2)
+	s.Require().NoError(err)
+
+	averageCost, history, err := tokenRepo.GetBalanceStatistics(ctx, userID)
+	s.NoError(err)
+	s.Greater(averageCost, 0.0)
+	s.GreaterOrEqual(len(history), 2)
+
+	for _, item := range history {
+		s.NotEmpty(item.OperationID)
+		s.NotEmpty(item.Data)
+		s.GreaterOrEqual(item.Amount, 0.0)
+	}
+}
+
+func (s *IntegrationSuite) TestRepository_TokenUsageGetBalanceStatisticsEmpty() {
+	tokenRepo := repository.NewTokenUsageRepository(s.pool)
+	ctx := context.Background()
+
+	averageCost, history, err := tokenRepo.GetBalanceStatistics(ctx, 999999)
+	s.NoError(err)
+	s.Equal(0.0, averageCost)
+	s.Empty(history)
+}
+
 func (s *IntegrationSuite) TestRepository_UserCreate() {
 	userRepo := repository.NewUserRepository(s.pool, testCryptoSecret)
 	ctx := context.Background()

tests/request_handler_test.go

@@ -136,3 +136,133 @@ func (s *IntegrationSuite) TestRequestHandler_GetMailingListWithValidUser() {
 	s.NoError(err)
 	s.NotNil(resp)
 }
+
+func (s *IntegrationSuite) TestRequestHandler_CreateTZWithFile() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+
+	req := &requestpb.CreateTZRequest{
+		UserId:     validateResp.UserId,
+		RequestTxt: "Нужны поставщики металлоконструкций",
+		FileData:   []byte("Содержимое файла с дополнительными требованиями"),
+		FileName:   "requirements.txt",
+	}
+
+	resp, err := s.requestClient.CreateTZ(ctx, req)
+	s.NoError(err)
+	s.NotNil(resp)
+	s.NotEmpty(resp.RequestId)
+	s.NotEmpty(resp.TzText)
+}
+
+func (s *IntegrationSuite) TestRequestHandler_ApproveTZSuccess() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+	userID := validateResp.UserId
+
+	createReq := &requestpb.CreateTZRequest{
+		UserId:     userID,
+		RequestTxt: "Нужны поставщики кирпича для строительства",
+	}
+
+	createResp, err := s.requestClient.CreateTZ(ctx, createReq)
+	s.NoError(err)
+	s.NotEmpty(createResp.RequestId)
+
+	approveReq := &requestpb.ApproveTZRequest{
+		RequestId: createResp.RequestId,
+		FinalTz:   "Утвержденное техническое задание на поставку кирпича",
+		UserId:    userID,
+	}
+
+	approveResp, err := s.requestClient.ApproveTZ(ctx, approveReq)
+	s.NoError(err)
+	s.NotNil(approveResp)
+	s.NotEmpty(approveResp.RequestId)
+	s.NotNil(approveResp.Suppliers)
+}
+
+func (s *IntegrationSuite) TestRequestHandler_GetMailingListByIDSuccess() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+	userID := validateResp.UserId
+
+	createReq := &requestpb.CreateTZRequest{
+		UserId:     userID,
+		RequestTxt: "Нужны поставщики бетона",
+	}
+
+	createResp, err := s.requestClient.CreateTZ(ctx, createReq)
+	s.NoError(err)
+	s.NotEmpty(createResp.RequestId)
+	requestID := createResp.RequestId
+
+	approveReq := &requestpb.ApproveTZRequest{
+		RequestId: requestID,
+		FinalTz:   "Утвержденное ТЗ на поставку бетона",
+		UserId:    userID,
+	}
+
+	_, err = s.requestClient.ApproveTZ(ctx, approveReq)
+	s.NoError(err)
+
+	getByIDReq := &requestpb.GetMailingListByIDRequest{
+		RequestId: requestID,
+		UserId:    userID,
+	}
+
+	getByIDResp, err := s.requestClient.GetMailingListByID(ctx, getByIDReq)
+	s.NoError(err)
+	s.NotNil(getByIDResp)
+	s.NotNil(getByIDResp.Detail)
+	s.Equal(requestID, getByIDResp.Detail.RequestId)
+	s.Greater(len(getByIDResp.Detail.Suppliers), 0)
+}

tests/statistics_test.go

@@ -0,0 +1,131 @@
+package tests
+
+import (
+	"context"
+
+	"git.techease.ru/Smart-search/smart-search-back/internal/model"
+	"git.techease.ru/Smart-search/smart-search-back/internal/repository"
+	userpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/user"
+)
+
+func (s *IntegrationSuite) TestStatistics_CorrectCountWithMultipleUsers() {
+	ctx := context.Background()
+
+	_, _, user1ID := s.createUniqueTestUser("stats_user1", 1000.0)
+	_, _, user2ID := s.createUniqueTestUser("stats_user2", 1000.0)
+
+	requestRepo := repository.NewRequestRepository(s.pool)
+	supplierRepo := repository.NewSupplierRepository(s.pool)
+
+	req1 := &model.Request{UserID: user1ID, RequestTxt: "Request 1 with TZ"}
+	err := requestRepo.Create(ctx, req1)
+	s.Require().NoError(err)
+
+	req2 := &model.Request{UserID: user1ID, RequestTxt: "Request 2 with TZ"}
+	err = requestRepo.Create(ctx, req2)
+	s.Require().NoError(err)
+
+	_, err = s.pool.Exec(ctx, `
+		INSERT INTO requests_for_suppliers (user_id, request_txt, mailling_status_id)
+		VALUES ($1, NULL, 1)
+	`, user1ID)
+	s.Require().NoError(err)
+
+	suppliers1 := []*model.Supplier{
+		{Name: "Supplier 1", Email: "s1@test.com"},
+		{Name: "Supplier 2", Email: "s2@test.com"},
+		{Name: "Supplier 3", Email: "s3@test.com"},
+	}
+	err = supplierRepo.BulkInsert(ctx, req1.ID, suppliers1)
+	s.Require().NoError(err)
+
+	suppliers2 := []*model.Supplier{
+		{Name: "Supplier 4", Email: "s4@test.com"},
+		{Name: "Supplier 5", Email: "s5@test.com"},
+	}
+	err = supplierRepo.BulkInsert(ctx, req2.ID, suppliers2)
+	s.Require().NoError(err)
+
+	req4 := &model.Request{UserID: user2ID, RequestTxt: "User2 Request with TZ"}
+	err = requestRepo.Create(ctx, req4)
+	s.Require().NoError(err)
+
+	suppliers3 := []*model.Supplier{
+		{Name: "Supplier 6", Email: "s6@test.com"},
+		{Name: "Supplier 7", Email: "s7@test.com"},
+		{Name: "Supplier 8", Email: "s8@test.com"},
+		{Name: "Supplier 9", Email: "s9@test.com"},
+		{Name: "Supplier 10", Email: "s10@test.com"},
+	}
+	err = supplierRepo.BulkInsert(ctx, req4.ID, suppliers3)
+	s.Require().NoError(err)
+
+	resp, err := s.userClient.GetStatistics(ctx, &userpb.GetStatisticsRequest{
+		UserId: int64(user1ID),
+	})
+	s.NoError(err)
+	s.NotNil(resp)
+
+	s.Equal("3", resp.RequestsCount)
+	s.Equal("5", resp.SuppliersCount)
+	s.Equal("2", resp.CreatedTz)
+
+	resp2, err := s.userClient.GetStatistics(ctx, &userpb.GetStatisticsRequest{
+		UserId: int64(user2ID),
+	})
+	s.NoError(err)
+	s.NotNil(resp2)
+
+	s.Equal("1", resp2.RequestsCount)
+	s.Equal("5", resp2.SuppliersCount)
+	s.Equal("1", resp2.CreatedTz)
+}
+
+func (s *IntegrationSuite) TestStatistics_CreatedTZNotMultipliedBySuppliers() {
+	ctx := context.Background()
+
+	_, _, userID := s.createUniqueTestUser("stats_multiply", 1000.0)
+
+	requestRepo := repository.NewRequestRepository(s.pool)
+	supplierRepo := repository.NewSupplierRepository(s.pool)
+
+	req := &model.Request{UserID: userID, RequestTxt: "Single request with TZ"}
+	err := requestRepo.Create(ctx, req)
+	s.Require().NoError(err)
+
+	suppliers := make([]*model.Supplier, 10)
+	for i := 0; i < 10; i++ {
+		suppliers[i] = &model.Supplier{
+			Name:  "Supplier",
+			Email: "supplier@test.com",
+		}
+	}
+	err = supplierRepo.BulkInsert(ctx, req.ID, suppliers)
+	s.Require().NoError(err)
+
+	resp, err := s.userClient.GetStatistics(ctx, &userpb.GetStatisticsRequest{
+		UserId: int64(userID),
+	})
+	s.NoError(err)
+	s.NotNil(resp)
+
+	s.Equal("1", resp.RequestsCount)
+	s.Equal("10", resp.SuppliersCount)
+	s.Equal("1", resp.CreatedTz)
+}
+
+func (s *IntegrationSuite) TestStatistics_EmptyForNewUser() {
+	ctx := context.Background()
+
+	_, _, userID := s.createUniqueTestUser("stats_empty", 1000.0)
+
+	resp, err := s.userClient.GetStatistics(ctx, &userpb.GetStatisticsRequest{
+		UserId: int64(userID),
+	})
+	s.NoError(err)
+	s.NotNil(resp)
+
+	s.Equal("0", resp.RequestsCount)
+	s.Equal("0", resp.SuppliersCount)
+	s.Equal("0", resp.CreatedTz)
+}

tests/supplier_handler_test.go

@@ -93,3 +93,58 @@ func (s *IntegrationSuite) TestSupplierHandler_ExportExcelWithValidRequest() {
 	s.NotEmpty(exportResp.FileName)
 	s.Equal("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", exportResp.MimeType)
 }
+
+func (s *IntegrationSuite) TestSupplierHandler_ExportExcelWithSuppliers() {
+	ctx := context.Background()
+
+	loginReq := &authpb.LoginRequest{
+		Email:     "test@example.com",
+		Password:  "testpassword",
+		Ip:        "127.0.0.1",
+		UserAgent: "integration-test",
+	}
+
+	loginResp, err := s.authClient.Login(ctx, loginReq)
+	s.NoError(err)
+
+	validateReq := &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	}
+
+	validateResp, err := s.authClient.Validate(ctx, validateReq)
+	s.NoError(err)
+	userID := validateResp.UserId
+
+	createReq := &requestpb.CreateTZRequest{
+		UserId:     userID,
+		RequestTxt: "Нужны поставщики офисной мебели для большого офиса",
+	}
+
+	createResp, err := s.requestClient.CreateTZ(ctx, createReq)
+	s.NoError(err)
+	s.NotEmpty(createResp.RequestId)
+	requestID := createResp.RequestId
+
+	approveReq := &requestpb.ApproveTZRequest{
+		RequestId: requestID,
+		FinalTz:   "Техническое задание на поставку офисной мебели",
+		UserId:    userID,
+	}
+
+	approveResp, err := s.requestClient.ApproveTZ(ctx, approveReq)
+	s.NoError(err)
+	s.NotEmpty(approveResp.RequestId)
+
+	exportReq := &supplierpb.ExportExcelRequest{
+		RequestId: requestID,
+		UserId:    userID,
+	}
+
+	exportResp, err := s.supplierClient.ExportExcel(ctx, exportReq)
+	s.NoError(err)
+	s.NotNil(exportResp)
+	s.NotEmpty(exportResp.FileName)
+	s.NotEmpty(exportResp.FileData)
+	s.Equal("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", exportResp.MimeType)
+	s.Greater(len(exportResp.FileData), 1000)
+}

tests/transaction_rollback_test.go

@@ -0,0 +1,194 @@
+package tests
+
+import (
+	"sync"
+	"sync/atomic"
+
+	authpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/auth"
+	requestpb "git.techease.ru/Smart-search/smart-search-back/pkg/pb/request"
+)
+
+func (s *IntegrationSuite) TestTransaction_CreateTZ_InsufficientBalance_Rollback() {
+	email, password, userID := s.createUniqueTestUser("insufficient_tz", 0.001)
+
+	loginResp, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email,
+		Password:  password,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+
+	validateResp, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	})
+	s.Require().NoError(err)
+
+	initialBalance := s.getUserBalance(userID)
+	s.T().Logf("Initial balance: %.4f", initialBalance)
+
+	_, err = s.requestClient.CreateTZ(s.ctx, &requestpb.CreateTZRequest{
+		UserId:     validateResp.UserId,
+		RequestTxt: "Тест с недостаточным балансом",
+	})
+
+	if err != nil {
+		s.T().Logf("CreateTZ failed as expected: %v", err)
+
+		finalBalance := s.getUserBalance(userID)
+		s.T().Logf("Final balance after failed CreateTZ: %.4f", finalBalance)
+
+		s.GreaterOrEqual(finalBalance, 0.0,
+			"Баланс не должен быть отрицательным после rollback")
+	}
+}
+
+func (s *IntegrationSuite) TestTransaction_ApproveTZ_InsufficientBalance_NoSuppliers() {
+	email, password, userID := s.createUniqueTestUser("approve_insufficient", 1000.0)
+
+	loginResp, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email,
+		Password:  password,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+
+	validateResp, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	})
+	s.Require().NoError(err)
+
+	createResp, err := s.requestClient.CreateTZ(s.ctx, &requestpb.CreateTZRequest{
+		UserId:     validateResp.UserId,
+		RequestTxt: "Тест approve с недостаточным балансом",
+	})
+	s.Require().NoError(err)
+	requestID := createResp.RequestId
+
+	_, err = s.pool.Exec(s.ctx, "UPDATE users SET balance = 0.001 WHERE id = $1", userID)
+	s.Require().NoError(err)
+
+	suppliersBeforeApprove := s.getRequestSuppliersCount(requestID)
+	s.T().Logf("Suppliers before ApproveTZ: %d", suppliersBeforeApprove)
+
+	_, err = s.requestClient.ApproveTZ(s.ctx, &requestpb.ApproveTZRequest{
+		RequestId: requestID,
+		FinalTz:   "Утвержденное ТЗ",
+		UserId:    validateResp.UserId,
+	})
+
+	if err != nil {
+		s.T().Logf("ApproveTZ failed as expected: %v", err)
+
+		suppliersAfterApprove := s.getRequestSuppliersCount(requestID)
+		s.T().Logf("Suppliers after failed ApproveTZ: %d", suppliersAfterApprove)
+
+		finalBalance := s.getUserBalance(userID)
+		s.GreaterOrEqual(finalBalance, 0.0,
+			"Баланс не должен быть отрицательным")
+	}
+}
+
+func (s *IntegrationSuite) TestTransaction_ConcurrentCreateTZ_BalanceAtomicity() {
+	email, password, userID := s.createUniqueTestUser("concurrent_tz", 100.0)
+
+	loginResp, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email,
+		Password:  password,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+
+	validateResp, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	})
+	s.Require().NoError(err)
+
+	var wg sync.WaitGroup
+	var successCount int32
+	var errorCount int32
+	goroutines := 10
+
+	startBarrier := make(chan struct{})
+
+	for i := 0; i < goroutines; i++ {
+		wg.Add(1)
+		go func(idx int) {
+			defer wg.Done()
+
+			<-startBarrier
+
+			_, err := s.requestClient.CreateTZ(s.ctx, &requestpb.CreateTZRequest{
+				UserId:     validateResp.UserId,
+				RequestTxt: "Параллельный тест CreateTZ",
+			})
+
+			if err == nil {
+				atomic.AddInt32(&successCount, 1)
+			} else {
+				atomic.AddInt32(&errorCount, 1)
+			}
+		}(i)
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("Concurrent CreateTZ - Success: %d, Errors: %d", successCount, errorCount)
+
+	finalBalance := s.getUserBalance(userID)
+	s.T().Logf("Final balance: %.4f", finalBalance)
+
+	s.GreaterOrEqual(finalBalance, 0.0,
+		"Баланс не должен быть отрицательным после параллельных операций")
+}
+
+func (s *IntegrationSuite) TestTransaction_TokenUsage_BalanceConsistency() {
+	email, password, userID := s.createUniqueTestUser("token_consistency", 1000.0)
+
+	initialBalance := s.getUserBalance(userID)
+	s.T().Logf("Initial balance: %.4f", initialBalance)
+
+	loginResp, err := s.authClient.Login(s.ctx, &authpb.LoginRequest{
+		Email:     email,
+		Password:  password,
+		Ip:        "127.0.0.1",
+		UserAgent: "test-agent",
+	})
+	s.Require().NoError(err)
+
+	validateResp, err := s.authClient.Validate(s.ctx, &authpb.ValidateRequest{
+		AccessToken: loginResp.AccessToken,
+	})
+	s.Require().NoError(err)
+
+	createResp, err := s.requestClient.CreateTZ(s.ctx, &requestpb.CreateTZRequest{
+		UserId:     validateResp.UserId,
+		RequestTxt: "Тест consistency token_usage и balance",
+	})
+	s.Require().NoError(err)
+	requestID := createResp.RequestId
+
+	tokenUsageCount := s.getTokenUsageCount(requestID)
+	s.T().Logf("Token usage records for request: %d", tokenUsageCount)
+
+	finalBalance := s.getUserBalance(userID)
+	balanceDelta := initialBalance - finalBalance
+	s.T().Logf("Balance delta: %.4f", balanceDelta)
+
+	if tokenUsageCount > 0 {
+		s.Greater(balanceDelta, 0.0,
+			"Баланс должен уменьшиться при наличии token_usage записей")
+	}
+
+	var totalTokenCost float64
+	err = s.pool.QueryRow(s.ctx,
+		"SELECT COALESCE(SUM(token_cost), 0) FROM request_token_usage WHERE request_id = $1::uuid",
+		requestID,
+	).Scan(&totalTokenCost)
+	s.NoError(err)
+
+	s.T().Logf("Total token cost from DB: %.4f, Balance delta: %.4f", totalTokenCost, balanceDelta)
+}

tests/user_handler_test.go

@@ -54,7 +54,7 @@ func (s *IntegrationSuite) TestUserHandler_GetStatisticsWithNonExistentUser() {
 	}
 
 	s.NotNil(resp)
-	s.Equal(int32(0), resp.TotalRequests)
+	s.Equal("0", resp.RequestsCount)
 }
 
 func (s *IntegrationSuite) TestUserHandler_GetBalanceStatistics() {
@@ -72,8 +72,7 @@ func (s *IntegrationSuite) TestUserHandler_GetBalanceStatistics() {
 	}
 
 	s.NotNil(resp)
-	s.GreaterOrEqual(resp.Balance, 0.0)
-	s.GreaterOrEqual(resp.TotalRequests, int32(0))
+	s.GreaterOrEqual(resp.AverageCost, 0.0)
 }
 
 func (s *IntegrationSuite) TestUserHandler_GetInfoWithValidUser() {
@@ -167,8 +166,7 @@ func (s *IntegrationSuite) TestUserHandler_GetStatisticsWithValidUser() {
 	resp, err := s.userClient.GetStatistics(ctx, req)
 	s.NoError(err)
 	s.NotNil(resp)
-	s.GreaterOrEqual(resp.TotalRequests, int32(0))
-	s.GreaterOrEqual(resp.SuccessfulRequests, int32(0))
-	s.GreaterOrEqual(resp.FailedRequests, int32(0))
-	s.GreaterOrEqual(resp.TotalSpent, 0.0)
+	s.NotEmpty(resp.SuppliersCount)
+	s.NotEmpty(resp.RequestsCount)
+	s.NotEmpty(resp.CreatedTz)
 }

tests/worker_concurrent_test.go

@@ -0,0 +1,181 @@
+package tests
+
+import (
+	"fmt"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+func (s *IntegrationSuite) TestWorkerConcurrent_SessionCleanup_MassExpired() {
+	_, _, userID := s.createUniqueTestUser("session_cleanup", 100.0)
+
+	expiredTime := time.Now().Add(-24 * time.Hour)
+	validTime := time.Now().Add(24 * time.Hour)
+
+	expiredCount := 100
+	validCount := 50
+
+	for i := 0; i < expiredCount; i++ {
+		_, err := s.pool.Exec(s.ctx, `
+			INSERT INTO sessions (user_id, access_token, refresh_token, ip, user_agent, expires_at)
+			VALUES ($1, $2, $3, '127.0.0.1', 'test-agent', $4)
+		`, userID,
+			fmt.Sprintf("expired_access_%d_%s", i, uuid.New().String()),
+			fmt.Sprintf("expired_refresh_%d_%s", i, uuid.New().String()),
+			expiredTime,
+		)
+		s.Require().NoError(err)
+	}
+
+	for i := 0; i < validCount; i++ {
+		_, err := s.pool.Exec(s.ctx, `
+			INSERT INTO sessions (user_id, access_token, refresh_token, ip, user_agent, expires_at)
+			VALUES ($1, $2, $3, '127.0.0.1', 'test-agent', $4)
+		`, userID,
+			fmt.Sprintf("valid_access_%d_%s", i, uuid.New().String()),
+			fmt.Sprintf("valid_refresh_%d_%s", i, uuid.New().String()),
+			validTime,
+		)
+		s.Require().NoError(err)
+	}
+
+	var totalBefore int
+	err := s.pool.QueryRow(s.ctx,
+		"SELECT COUNT(*) FROM sessions WHERE user_id = $1", userID,
+	).Scan(&totalBefore)
+	s.Require().NoError(err)
+	s.T().Logf("Sessions before cleanup: %d", totalBefore)
+
+	var wg sync.WaitGroup
+	var totalDeleted int32
+	goroutines := 10
+
+	startBarrier := make(chan struct{})
+
+	for i := 0; i < goroutines; i++ {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			<-startBarrier
+
+			result, err := s.pool.Exec(s.ctx, `
+				DELETE FROM sessions 
+				WHERE expires_at < now() 
+				OR (revoked_at IS NOT NULL AND revoked_at < now() - interval '30 days')
+			`)
+
+			if err == nil {
+				atomic.AddInt32(&totalDeleted, int32(result.RowsAffected()))
+			}
+		}()
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("Total deleted by concurrent cleanup: %d", totalDeleted)
+
+	var validRemaining int
+	err = s.pool.QueryRow(s.ctx,
+		"SELECT COUNT(*) FROM sessions WHERE user_id = $1 AND expires_at > now()", userID,
+	).Scan(&validRemaining)
+	s.NoError(err)
+
+	s.T().Logf("Valid sessions remaining: %d (expected: %d)", validRemaining, validCount)
+
+	s.Equal(validCount, validRemaining,
+		"Все валидные сессии должны остаться после cleanup")
+
+	s.GreaterOrEqual(int(totalDeleted), expiredCount,
+		"Все истекшие сессии должны быть удалены")
+}
+
+func (s *IntegrationSuite) TestWorkerConcurrent_InviteCleanup_MassExpired() {
+	_, _, userID := s.createUniqueTestUser("invite_cleanup", 100.0)
+
+	_, err := s.pool.Exec(s.ctx, "UPDATE users SET invites_limit = 200 WHERE id = $1", userID)
+	s.Require().NoError(err)
+
+	expiredTime := time.Now().Add(-24 * time.Hour)
+	validTime := time.Now().Add(24 * time.Hour)
+
+	expiredCount := 100
+	validCount := 50
+
+	for i := 0; i < expiredCount; i++ {
+		code := int64(30000000 + i)
+		_, err := s.pool.Exec(s.ctx, `
+			INSERT INTO invite_codes (user_id, code, can_be_used_count, expires_at, is_active)
+			VALUES ($1, $2, 5, $3, true)
+		`, userID, code, expiredTime)
+		s.Require().NoError(err)
+	}
+
+	for i := 0; i < validCount; i++ {
+		code := int64(40000000 + i)
+		_, err := s.pool.Exec(s.ctx, `
+			INSERT INTO invite_codes (user_id, code, can_be_used_count, expires_at, is_active)
+			VALUES ($1, $2, 5, $3, true)
+		`, userID, code, validTime)
+		s.Require().NoError(err)
+	}
+
+	var activeBefore int
+	err = s.pool.QueryRow(s.ctx,
+		"SELECT COUNT(*) FROM invite_codes WHERE user_id = $1 AND is_active = true", userID,
+	).Scan(&activeBefore)
+	s.Require().NoError(err)
+	s.T().Logf("Active invites before cleanup: %d", activeBefore)
+
+	var wg sync.WaitGroup
+	var totalDeactivated int32
+	goroutines := 10
+
+	startBarrier := make(chan struct{})
+
+	for i := 0; i < goroutines; i++ {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			<-startBarrier
+
+			result, err := s.pool.Exec(s.ctx, `
+				UPDATE invite_codes 
+				SET is_active = false 
+				WHERE expires_at < now() AND is_active = true
+			`)
+
+			if err == nil {
+				atomic.AddInt32(&totalDeactivated, int32(result.RowsAffected()))
+			}
+		}()
+	}
+
+	close(startBarrier)
+	wg.Wait()
+
+	s.T().Logf("Total deactivated by concurrent cleanup: %d", totalDeactivated)
+
+	var activeRemaining int
+	err = s.pool.QueryRow(s.ctx,
+		"SELECT COUNT(*) FROM invite_codes WHERE user_id = $1 AND is_active = true", userID,
+	).Scan(&activeRemaining)
+	s.NoError(err)
+
+	s.T().Logf("Active invites remaining: %d (expected: %d)", activeRemaining, validCount)
+
+	s.Equal(validCount, activeRemaining,
+		"Все валидные инвайты должны остаться активными после cleanup")
+
+	var expiredStillActive int
+	err = s.pool.QueryRow(s.ctx,
+		"SELECT COUNT(*) FROM invite_codes WHERE user_id = $1 AND expires_at < now() AND is_active = true", userID,
+	).Scan(&expiredStillActive)
+	s.NoError(err)
+
+	s.Equal(0, expiredStillActive,
+		"Не должно остаться активных истекших инвайтов")
+}