add service

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
 }

tests/repository_test.go

@@ -243,6 +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)