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322 lines
9.8 KiB
Go
322 lines
9.8 KiB
Go
package ai
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"regexp"
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"strings"
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"git.techease.ru/Smart-search/smart-search-back/internal/model"
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"git.techease.ru/Smart-search/smart-search-back/pkg/errors"
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)
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type PerplexityClient struct {
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apiKey string
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client *http.Client
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}
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type perplexityRequest struct {
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Model string `json:"model"`
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Messages []perplexityMessage `json:"messages"`
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}
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type perplexityMessage struct {
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Role string `json:"role"`
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Content string `json:"content"`
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}
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type perplexityResponse struct {
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Choices []struct {
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Message perplexityMessage `json:"message"`
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} `json:"choices"`
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Usage *struct {
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PromptTokens int `json:"prompt_tokens"`
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CompletionTokens int `json:"completion_tokens"`
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} `json:"usage,omitempty"`
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Error *struct {
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Message string `json:"message"`
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} `json:"error,omitempty"`
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}
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type supplierData struct {
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CompanyName string `json:"company_name"`
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Email string `json:"email"`
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Phone string `json:"phone"`
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Address string `json:"address"`
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URL string `json:"url"`
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}
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func NewPerplexityClient(apiKey string) *PerplexityClient {
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return &PerplexityClient{
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apiKey: apiKey,
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client: &http.Client{},
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}
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}
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func (c *PerplexityClient) isMockMode() bool {
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return c.apiKey == ""
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}
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func (c *PerplexityClient) FindSuppliers(tzText string) ([]*model.Supplier, int, int, error) {
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if c.isMockMode() {
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return c.generateMockSuppliers(), 1000, 500, nil
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}
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prompt := fmt.Sprintf(`Ты — эксперт по поиску поставщиков на российском рынке.
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ЗАДАЧА:
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Найти компании-поставщики/производители для технического задания:
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%s
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ОПРЕДЕЛЕНИЕ ТИПА ПОИСКА:
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- Если ТЗ требует производства/изготовления → ищи производителей
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- Если ТЗ требует готовый товар/услугу → ищи компании, которые это продают
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КРИТЕРИИ:
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1. Максимальная релевантность
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2. Действующие компании с полными контактами
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3. Приоритет: производители > дистрибьюторы
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ПРИМЕРЫ ОТВЕТОВ:
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Пример 1 - ТЗ: "Поставка офисной мебели: столы 20 шт, стулья 50 шт"
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[
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{
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"company_name": "ООО Мебельная фабрика Союз",
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"email": "zakaz@mebelsoyuz.ru",
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"phone": "+7 495 123-45-67",
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"adress": "г. Москва, ул. Промышленная, д. 15",
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"url": ""
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}
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]
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Пример 2 - ТЗ: "Производство кованых изделий: ворота, решётки, перила"
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[
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{
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"company_name": "ООО Кузня Премиум",
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"email": "info@kuzniya.ru",
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"phone": "",
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"adress": "г. Москва, ул. Заводская, д. 42",
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"url": "www.mebelsoyuz.ru"
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}
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]
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ФОРМАТ ОТВЕТА - ТОЛЬКО JSON:
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[
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{
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"company_name": "...",
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"email": "...",
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"phone": "...",
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"adress": "...",
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"url": "..."
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}
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]
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ПРАВИЛА:
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- Минимум 15 компаний, максимум 100
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- Только валидный JSON массив, без текста вокруг
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- email и url всегда заполнены (не null)
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- Если другие поля пустые, то можно оставить пустую строку -> ""
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- Сортируй по релевантности`, tzText)
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reqBody := perplexityRequest{
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Model: "gpt-4.1-mini",
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Messages: []perplexityMessage{
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{
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Role: "user",
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Content: prompt,
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},
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},
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}
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jsonData, err := json.Marshal(reqBody)
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if err != nil {
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return nil, 0, 0, errors.NewInternalError(errors.AIAPIError, "failed to marshal request", err)
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}
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req, err := http.NewRequest("POST", "https://api.perplexity.ai/chat/completions", bytes.NewBuffer(jsonData))
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if err != nil {
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return nil, 0, 0, errors.NewInternalError(errors.AIAPIError, "failed to create request", err)
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("Authorization", "Bearer "+c.apiKey)
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resp, err := c.client.Do(req)
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if err != nil {
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return nil, 0, 0, errors.NewInternalError(errors.AIAPIError, "failed to send request", err)
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}
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defer func() { _ = resp.Body.Close() }()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, 0, 0, errors.NewInternalError(errors.AIAPIError, "failed to read response", err)
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}
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var aiResp perplexityResponse
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if err := json.Unmarshal(body, &aiResp); err != nil {
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return nil, 0, 0, errors.NewInternalError(errors.AIAPIError, "failed to unmarshal response", err)
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}
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if aiResp.Error != nil {
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return nil, 0, 0, errors.NewInternalError(errors.AIAPIError, aiResp.Error.Message, nil)
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}
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if len(aiResp.Choices) == 0 {
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return nil, 0, 0, errors.NewInternalError(errors.AIAPIError, "no choices in response", nil)
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}
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content := aiResp.Choices[0].Message.Content
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content = strings.TrimPrefix(content, "```json")
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content = strings.TrimPrefix(content, "```")
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content = strings.TrimSuffix(content, "```")
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content = strings.TrimSpace(content)
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var supplierDataList []supplierData
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if err := json.Unmarshal([]byte(content), &supplierDataList); err != nil {
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re := regexp.MustCompile(`\[[\s\S]*\]`)
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match := re.FindString(content)
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if match != "" {
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if err := json.Unmarshal([]byte(match), &supplierDataList); err != nil {
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return nil, 0, 0, errors.NewInternalError(errors.AIAPIError, "failed to parse suppliers response", err)
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}
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} else {
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return nil, 0, 0, errors.NewInternalError(errors.AIAPIError, "failed to parse suppliers response", err)
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}
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}
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suppliers := make([]*model.Supplier, 0, len(supplierDataList))
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for _, sd := range supplierDataList {
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suppliers = append(suppliers, &model.Supplier{
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Name: sd.CompanyName,
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Email: sd.Email,
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Phone: sd.Phone,
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Address: sd.Address,
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URL: sd.URL,
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})
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}
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promptTokens := 0
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responseTokens := 0
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if aiResp.Usage != nil {
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promptTokens = aiResp.Usage.PromptTokens
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responseTokens = aiResp.Usage.CompletionTokens
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}
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return suppliers, promptTokens, responseTokens, nil
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}
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func (c *PerplexityClient) generateMockSuppliers() []*model.Supplier {
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return []*model.Supplier{
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{
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Name: "ООО Поставщик-1 (Mock)",
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Email: "supplier1@example.com",
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Phone: "+7 (495) 123-45-67",
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Address: "г. Москва, ул. Примерная, д. 1",
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URL: "https://supplier1.example.com",
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},
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{
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Name: "ООО Поставщик-2 (Mock)",
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Email: "supplier2@example.com",
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Phone: "+7 (495) 234-56-78",
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Address: "г. Москва, ул. Примерная, д. 2",
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URL: "https://supplier2.example.com",
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},
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{
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Name: "ООО Поставщик-3 (Mock)",
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Email: "supplier3@example.com",
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Phone: "+7 (495) 345-67-89",
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Address: "г. Москва, ул. Примерная, д. 3",
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URL: "https://supplier3.example.com",
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},
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{
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Name: "ООО Производитель-1 (Mock)",
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Email: "producer1@example.com",
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Phone: "+7 (495) 456-78-90",
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Address: "г. Санкт-Петербург, ул. Тестовая, д. 10",
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URL: "https://producer1.example.com",
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},
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{
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Name: "ООО Производитель-2 (Mock)",
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Email: "producer2@example.com",
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Phone: "+7 (495) 567-89-01",
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Address: "г. Санкт-Петербург, ул. Тестовая, д. 20",
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URL: "https://producer2.example.com",
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},
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{
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Name: "ООО Дистрибьютор-1 (Mock)",
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Email: "distributor1@example.com",
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Phone: "+7 (495) 678-90-12",
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Address: "г. Казань, ул. Демо, д. 5",
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URL: "https://distributor1.example.com",
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},
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{
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Name: "ООО Дистрибьютор-2 (Mock)",
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Email: "distributor2@example.com",
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Phone: "+7 (495) 789-01-23",
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Address: "г. Казань, ул. Демо, д. 15",
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URL: "https://distributor2.example.com",
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},
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{
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Name: "ООО Импортер-1 (Mock)",
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Email: "importer1@example.com",
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Phone: "+7 (495) 890-12-34",
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Address: "г. Новосибирск, ул. Примера, д. 100",
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URL: "https://importer1.example.com",
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},
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{
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Name: "ООО Импортер-2 (Mock)",
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Email: "importer2@example.com",
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Phone: "+7 (495) 901-23-45",
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Address: "г. Новосибирск, ул. Примера, д. 200",
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URL: "https://importer2.example.com",
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},
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{
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Name: "ООО Оптовик-1 (Mock)",
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Email: "wholesale1@example.com",
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Phone: "+7 (495) 012-34-56",
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Address: "г. Екатеринбург, ул. Тестовая, д. 50",
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URL: "https://wholesale1.example.com",
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},
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{
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Name: "ООО Оптовик-2 (Mock)",
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Email: "wholesale2@example.com",
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Phone: "+7 (495) 123-45-67",
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Address: "г. Екатеринбург, ул. Тестовая, д. 60",
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URL: "https://wholesale2.example.com",
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},
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{
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Name: "ООО Фабрика-1 (Mock)",
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Email: "factory1@example.com",
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Phone: "+7 (495) 234-56-78",
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Address: "г. Нижний Новгород, Промзона, д. 1",
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URL: "https://factory1.example.com",
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},
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{
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Name: "ООО Фабрика-2 (Mock)",
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Email: "factory2@example.com",
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Phone: "+7 (495) 345-67-89",
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Address: "г. Нижний Новгород, Промзона, д. 2",
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URL: "https://factory2.example.com",
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},
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{
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Name: "ООО Завод-1 (Mock)",
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Email: "plant1@example.com",
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Phone: "+7 (495) 456-78-90",
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Address: "г. Челябинск, Индустриальная, д. 10",
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URL: "https://plant1.example.com",
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},
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{
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Name: "ООО Завод-2 (Mock)",
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Email: "plant2@example.com",
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Phone: "+7 (495) 567-89-01",
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Address: "г. Челябинск, Индустриальная, д. 20",
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URL: "https://plant2.example.com",
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},
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}
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}
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