08bd41e75c
- Add travel-svc microservice (Amadeus, TravelPayouts, 2GIS, OpenRouteService) - Add travel orchestrator with parallel collectors (events, POI, hotels, flights) - Add 2GIS road routing with transport cost calculation (car/bus/taxi) - Add TravelMap (2GIS MapGL) and TravelWidgets components - Add useTravelChat hook for streaming travel agent responses - Add finance heatmap providers refactor - Add SearXNG settings, API proxy routes, Docker compose updates - Update Dockerfiles, config, types, and all UI pages for consistency Made-with: Cursor
661 lines
19 KiB
Go
661 lines
19 KiB
Go
package travel
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import (
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"bufio"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"strconv"
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"strings"
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"time"
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"github.com/google/uuid"
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)
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type Service struct {
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repo *Repository
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amadeus *AmadeusClient
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openRoute *OpenRouteClient
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travelPayouts *TravelPayoutsClient
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twoGIS *TwoGISClient
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llmClient LLMClient
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useRussianAPIs bool
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}
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type LLMClient interface {
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StreamChat(ctx context.Context, messages []ChatMessage, onChunk func(string)) error
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}
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type ChatMessage 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 ServiceConfig struct {
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Repository *Repository
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AmadeusConfig AmadeusConfig
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OpenRouteConfig OpenRouteConfig
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TravelPayoutsConfig TravelPayoutsConfig
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TwoGISConfig TwoGISConfig
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LLMClient LLMClient
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UseRussianAPIs bool
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}
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func NewService(cfg ServiceConfig) *Service {
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return &Service{
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repo: cfg.Repository,
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amadeus: NewAmadeusClient(cfg.AmadeusConfig),
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openRoute: NewOpenRouteClient(cfg.OpenRouteConfig),
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travelPayouts: NewTravelPayoutsClient(cfg.TravelPayoutsConfig),
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twoGIS: NewTwoGISClient(cfg.TwoGISConfig),
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llmClient: cfg.LLMClient,
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useRussianAPIs: cfg.UseRussianAPIs,
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}
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}
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func (s *Service) PlanTrip(ctx context.Context, req TravelPlanRequest, writer io.Writer) error {
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systemPrompt := `Ты - AI планировщик путешествий GooSeek.
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ГЛАВНОЕ ПРАВИЛО: Если пользователь упоминает ЛЮБОЕ место, город, страну, регион или маршрут - ты ОБЯЗАН сразу построить маршрут с JSON. НЕ задавай уточняющих вопросов, НЕ здоровайся - сразу давай маршрут!
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Примеры запросов, на которые нужно СРАЗУ давать маршрут:
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- "золотое кольцо" → маршрут по городам Золотого кольца
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- "путешествие по Италии" → маршрут по Италии
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- "хочу в Париж" → маршрут по Парижу
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- "куда поехать в Крыму" → маршрут по Крыму
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Отвечай на русском языке. В ответе:
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1. Кратко опиши маршрут (2-3 предложения)
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2. Перечисли точки с описанием каждой
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3. Укажи примерный бюджет
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4. В КОНЦЕ ОБЯЗАТЕЛЬНО добавь JSON блок
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КООРДИНАТЫ ГОРОДОВ ЗОЛОТОГО КОЛЬЦА:
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- Сергиев Посад: lat 56.3100, lng 38.1326
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- Переславль-Залесский: lat 56.7389, lng 38.8533
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- Ростов Великий: lat 57.1848, lng 39.4142
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- Ярославль: lat 57.6261, lng 39.8845
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- Кострома: lat 57.7679, lng 40.9269
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- Иваново: lat 56.9994, lng 40.9728
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- Суздаль: lat 56.4212, lng 40.4496
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- Владимир: lat 56.1366, lng 40.3966
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ДРУГИЕ ПОПУЛЯРНЫЕ МЕСТА:
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- Москва, Красная площадь: lat 55.7539, lng 37.6208
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- Санкт-Петербург, Эрмитаж: lat 59.9398, lng 30.3146
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- Казань, Кремль: lat 55.7982, lng 49.1064
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- Сочи, центр: lat 43.5855, lng 39.7231
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- Калининград: lat 54.7104, lng 20.4522
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ФОРМАТ JSON (ОБЯЗАТЕЛЕН В КОНЦЕ КАЖДОГО ОТВЕТА):
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` + "```json" + `
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{
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"route": [
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{
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"name": "Название места",
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"lat": 55.7539,
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"lng": 37.6208,
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"type": "attraction",
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"aiComment": "Комментарий о месте",
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"duration": 120,
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"order": 1
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}
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],
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"suggestions": [
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{
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"type": "activity",
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"title": "Название",
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"description": "Описание",
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"lat": 55.7539,
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"lng": 37.6208
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}
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]
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}
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` + "```" + `
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ТИПЫ ТОЧЕК: airport, hotel, attraction, restaurant, transport, custom
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ТИПЫ SUGGESTIONS: destination, activity, restaurant, transport
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ПРАВИЛА:
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1. lat и lng - ЧИСЛА (не строки!)
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2. duration - минуты (число)
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3. order - порядковый номер с 1
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4. Минимум 5 точек для маршрута
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5. JSON ОБЯЗАТЕЛЕН даже для простых вопросов!
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6. НИКОГДА не отвечай без JSON блока!`
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messages := []ChatMessage{
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{Role: "system", Content: systemPrompt},
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}
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for _, h := range req.History {
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messages = append(messages, ChatMessage{Role: "user", Content: h[0]})
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messages = append(messages, ChatMessage{Role: "assistant", Content: h[1]})
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}
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userMsg := req.Query
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if req.StartDate != "" && req.EndDate != "" {
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userMsg += fmt.Sprintf("\n\nДаты: %s - %s", req.StartDate, req.EndDate)
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}
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if req.Travelers > 0 {
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userMsg += fmt.Sprintf("\nКоличество путешественников: %d", req.Travelers)
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}
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if req.Budget > 0 {
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currency := req.Currency
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if currency == "" {
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currency = "RUB"
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}
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userMsg += fmt.Sprintf("\nБюджет: %.0f %s", req.Budget, currency)
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}
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if req.Preferences != nil {
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if req.Preferences.TravelStyle != "" {
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userMsg += fmt.Sprintf("\nСтиль путешествия: %s", req.Preferences.TravelStyle)
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}
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if len(req.Preferences.Interests) > 0 {
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userMsg += fmt.Sprintf("\nИнтересы: %s", strings.Join(req.Preferences.Interests, ", "))
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}
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}
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messages = append(messages, ChatMessage{Role: "user", Content: userMsg})
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writeEvent := func(eventType string, data interface{}) {
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event := map[string]interface{}{
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"type": eventType,
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"data": data,
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}
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jsonData, _ := json.Marshal(event)
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writer.Write(jsonData)
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writer.Write([]byte("\n"))
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if bw, ok := writer.(*bufio.Writer); ok {
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bw.Flush()
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}
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}
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writeEvent("messageStart", nil)
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var fullResponse strings.Builder
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err := s.llmClient.StreamChat(ctx, messages, func(chunk string) {
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fullResponse.WriteString(chunk)
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writeEvent("textChunk", map[string]string{"chunk": chunk})
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})
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if err != nil {
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writeEvent("error", map[string]string{"message": err.Error()})
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return err
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}
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responseText := fullResponse.String()
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fmt.Printf("[travel] Full LLM response length: %d chars\n", len(responseText))
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routeData := s.extractRouteFromResponse(ctx, responseText)
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if routeData == nil || len(routeData.Route) == 0 {
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fmt.Println("[travel] No valid route in response, requesting route generation from LLM...")
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routeData = s.requestRouteGeneration(ctx, userMsg, responseText)
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}
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if routeData != nil && len(routeData.Route) > 0 {
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routeData = s.geocodeMissingCoordinates(ctx, routeData)
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}
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if routeData != nil && len(routeData.Route) > 0 {
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for i, p := range routeData.Route {
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fmt.Printf("[travel] Point %d: %s (lat=%.6f, lng=%.6f)\n", i+1, p.Name, p.Lat, p.Lng)
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}
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writeEvent("route", routeData)
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fmt.Printf("[travel] Sent route event with %d points\n", len(routeData.Route))
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} else {
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fmt.Println("[travel] No route data after all attempts")
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}
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writeEvent("messageEnd", nil)
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return nil
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}
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func (s *Service) requestRouteGeneration(ctx context.Context, userQuery string, originalResponse string) *RouteData {
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if s.llmClient == nil {
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return nil
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}
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genPrompt := `Пользователь запросил: "` + userQuery + `"
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Ты должен СРАЗУ создать маршрут путешествия. ВЕРНИ ТОЛЬКО JSON без пояснений:
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{
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"route": [
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{"name": "Место 1", "lat": 56.31, "lng": 38.13, "type": "attraction", "aiComment": "Описание", "duration": 120, "order": 1},
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{"name": "Место 2", "lat": 56.74, "lng": 38.85, "type": "attraction", "aiComment": "Описание", "duration": 90, "order": 2}
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],
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"suggestions": []
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}
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КООРДИНАТЫ ПОПУЛЯРНЫХ МЕСТ:
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Золотое кольцо: Сергиев Посад (56.31, 38.13), Переславль-Залесский (56.74, 38.85), Ростов Великий (57.18, 39.41), Ярославль (57.63, 39.88), Кострома (57.77, 40.93), Суздаль (56.42, 40.45), Владимир (56.14, 40.40)
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Москва: Красная площадь (55.75, 37.62), Арбат (55.75, 37.59), ВДНХ (55.83, 37.64)
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Питер: Эрмитаж (59.94, 30.31), Петергоф (59.88, 29.91), Невский (59.93, 30.35)
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Крым: Ялта (44.49, 34.17), Севастополь (44.62, 33.52), Бахчисарай (44.75, 33.86)
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ВАЖНО:
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- lat и lng - ЧИСЛА
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- Минимум 5 точек
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- type: airport, hotel, attraction, restaurant, transport, custom
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- ТОЛЬКО JSON, без текста до и после!`
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messages := []ChatMessage{
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{Role: "user", Content: genPrompt},
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}
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var genResponse strings.Builder
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err := s.llmClient.StreamChat(ctx, messages, func(chunk string) {
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genResponse.WriteString(chunk)
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})
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if err != nil {
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fmt.Printf("[travel] LLM route generation failed: %v\n", err)
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return nil
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}
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result := genResponse.String()
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fmt.Printf("[travel] LLM generated route: %s\n", result)
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return s.extractRouteFromResponse(ctx, result)
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}
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func (s *Service) geocodeMissingCoordinates(ctx context.Context, data *RouteData) *RouteData {
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if data == nil {
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return nil
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}
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validPoints := make([]RoutePoint, 0, len(data.Route))
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for _, point := range data.Route {
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if (point.Lat == 0 && point.Lng == 0) && point.Name != "" {
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loc, err := s.Geocode(ctx, point.Name)
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if err == nil && loc != nil {
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point.Lat = loc.Lat
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point.Lng = loc.Lng
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if point.Address == "" {
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point.Address = loc.Name
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}
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fmt.Printf("[travel] Geocoded '%s' -> lat=%.4f, lng=%.4f\n", point.Name, point.Lat, point.Lng)
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} else {
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fmt.Printf("[travel] Failed to geocode '%s': %v\n", point.Name, err)
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}
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}
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if point.Lat != 0 || point.Lng != 0 {
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validPoints = append(validPoints, point)
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}
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}
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data.Route = validPoints
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return data
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}
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type RouteData struct {
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Route []RoutePoint `json:"route"`
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Suggestions []TravelSuggestion `json:"suggestions"`
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}
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func (s *Service) extractRouteFromResponse(_ context.Context, response string) *RouteData {
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var jsonStr string
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start := strings.Index(response, "```json")
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if start != -1 {
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start += 7
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end := strings.Index(response[start:], "```")
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if end != -1 {
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jsonStr = strings.TrimSpace(response[start : start+end])
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}
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}
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if jsonStr == "" {
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start = strings.Index(response, "```")
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if start != -1 {
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start += 3
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if start < len(response) {
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for start < len(response) && (response[start] == '\n' || response[start] == '\r') {
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start++
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}
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end := strings.Index(response[start:], "```")
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if end != -1 {
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candidate := strings.TrimSpace(response[start : start+end])
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if strings.HasPrefix(candidate, "{") {
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jsonStr = candidate
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}
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}
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}
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}
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}
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if jsonStr == "" {
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routeStart := strings.Index(response, `"route"`)
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if routeStart != -1 {
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braceStart := strings.LastIndex(response[:routeStart], "{")
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if braceStart != -1 {
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depth := 0
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braceEnd := -1
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for i := braceStart; i < len(response); i++ {
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if response[i] == '{' {
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depth++
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} else if response[i] == '}' {
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depth--
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if depth == 0 {
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braceEnd = i + 1
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break
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}
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}
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}
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if braceEnd != -1 {
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jsonStr = response[braceStart:braceEnd]
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}
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}
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}
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}
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if jsonStr == "" {
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return nil
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}
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var rawResult struct {
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Route []struct {
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ID string `json:"id"`
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Lat interface{} `json:"lat"`
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Lng interface{} `json:"lng"`
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Name string `json:"name"`
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Address string `json:"address,omitempty"`
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Type string `json:"type"`
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AIComment string `json:"aiComment,omitempty"`
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Duration interface{} `json:"duration,omitempty"`
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Order interface{} `json:"order"`
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} `json:"route"`
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Suggestions []struct {
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ID string `json:"id"`
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Type string `json:"type"`
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Title string `json:"title"`
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Description string `json:"description"`
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Lat interface{} `json:"lat,omitempty"`
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Lng interface{} `json:"lng,omitempty"`
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} `json:"suggestions"`
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}
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if err := json.Unmarshal([]byte(jsonStr), &rawResult); err != nil {
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fmt.Printf("[travel] JSON parse error: %v, json: %s\n", err, jsonStr)
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return nil
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}
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result := &RouteData{
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Route: make([]RoutePoint, 0, len(rawResult.Route)),
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Suggestions: make([]TravelSuggestion, 0, len(rawResult.Suggestions)),
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}
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for i, raw := range rawResult.Route {
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point := RoutePoint{
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ID: raw.ID,
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Name: raw.Name,
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Address: raw.Address,
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Type: RoutePointType(raw.Type),
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AIComment: raw.AIComment,
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Order: i + 1,
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}
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if point.ID == "" {
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point.ID = uuid.New().String()
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}
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point.Lat = toFloat64(raw.Lat)
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point.Lng = toFloat64(raw.Lng)
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point.Duration = toInt(raw.Duration)
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if orderVal := toInt(raw.Order); orderVal > 0 {
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point.Order = orderVal
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}
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if point.Type == "" {
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point.Type = RoutePointCustom
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}
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if point.Name != "" {
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result.Route = append(result.Route, point)
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}
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}
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for _, raw := range rawResult.Suggestions {
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sug := TravelSuggestion{
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ID: raw.ID,
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Type: raw.Type,
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Title: raw.Title,
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Description: raw.Description,
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}
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if sug.ID == "" {
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sug.ID = uuid.New().String()
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}
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sug.Lat = toFloat64(raw.Lat)
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sug.Lng = toFloat64(raw.Lng)
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result.Suggestions = append(result.Suggestions, sug)
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}
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fmt.Printf("[travel] Extracted %d route points, %d suggestions\n", len(result.Route), len(result.Suggestions))
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return result
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}
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func toFloat64(v interface{}) float64 {
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if v == nil {
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return 0
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}
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switch val := v.(type) {
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case float64:
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return val
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case float32:
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return float64(val)
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case int:
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return float64(val)
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case int64:
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return float64(val)
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case string:
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f, _ := strconv.ParseFloat(val, 64)
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return f
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}
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return 0
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}
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func toInt(v interface{}) int {
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if v == nil {
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return 0
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}
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switch val := v.(type) {
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case int:
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return val
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case int64:
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return int(val)
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case float64:
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return int(val)
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case float32:
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return int(val)
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case string:
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i, _ := strconv.Atoi(val)
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return i
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}
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return 0
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}
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|
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func (s *Service) SearchFlights(ctx context.Context, req FlightSearchRequest) ([]FlightOffer, error) {
|
||
if s.useRussianAPIs && s.travelPayouts != nil {
|
||
return s.travelPayouts.SearchFlights(ctx, req)
|
||
}
|
||
return s.amadeus.SearchFlights(ctx, req)
|
||
}
|
||
|
||
func (s *Service) SearchHotels(ctx context.Context, req HotelSearchRequest) ([]HotelOffer, error) {
|
||
return s.amadeus.SearchHotels(ctx, req)
|
||
}
|
||
|
||
func (s *Service) GetRoute(ctx context.Context, points []GeoLocation, profile string) (*RouteDirection, error) {
|
||
if s.twoGIS != nil && s.twoGIS.HasAPIKey() {
|
||
transport := mapProfileToTwoGISTransport(profile)
|
||
dir, err := s.twoGIS.GetRoute(ctx, points, transport)
|
||
if err == nil {
|
||
return dir, nil
|
||
}
|
||
fmt.Printf("[travel] 2GIS routing failed (transport=%s): %v, trying OpenRouteService\n", transport, err)
|
||
}
|
||
|
||
if s.openRoute != nil && s.openRoute.HasAPIKey() {
|
||
return s.openRoute.GetDirections(ctx, points, profile)
|
||
}
|
||
|
||
return nil, fmt.Errorf("no routing provider available")
|
||
}
|
||
|
||
func mapProfileToTwoGISTransport(profile string) string {
|
||
switch profile {
|
||
case "driving-car", "driving", "car":
|
||
return "driving"
|
||
case "taxi":
|
||
return "taxi"
|
||
case "foot-walking", "walking", "pedestrian":
|
||
return "walking"
|
||
case "cycling-regular", "cycling", "bicycle":
|
||
return "bicycle"
|
||
default:
|
||
return "driving"
|
||
}
|
||
}
|
||
|
||
func (s *Service) Geocode(ctx context.Context, query string) (*GeoLocation, error) {
|
||
if query == "" {
|
||
return nil, fmt.Errorf("empty query")
|
||
}
|
||
|
||
if s.twoGIS != nil && s.twoGIS.HasAPIKey() {
|
||
loc, err := s.twoGIS.Geocode(ctx, query)
|
||
if err == nil && loc != nil {
|
||
fmt.Printf("[travel] 2GIS geocoded '%s' -> lat=%.4f, lng=%.4f\n", query, loc.Lat, loc.Lng)
|
||
return loc, nil
|
||
}
|
||
fmt.Printf("[travel] 2GIS geocode failed for '%s': %v\n", query, err)
|
||
}
|
||
|
||
if s.openRoute != nil && s.openRoute.HasAPIKey() {
|
||
loc, err := s.openRoute.Geocode(ctx, query)
|
||
if err == nil && loc != nil {
|
||
fmt.Printf("[travel] OpenRoute geocoded '%s' -> lat=%.4f, lng=%.4f\n", query, loc.Lat, loc.Lng)
|
||
return loc, nil
|
||
}
|
||
fmt.Printf("[travel] OpenRoute geocode failed for '%s': %v\n", query, err)
|
||
}
|
||
|
||
return nil, fmt.Errorf("geocode failed for '%s': no API keys configured", query)
|
||
}
|
||
|
||
func (s *Service) SearchPOI(ctx context.Context, req POISearchRequest) ([]POI, error) {
|
||
return s.openRoute.SearchPOI(ctx, req)
|
||
}
|
||
|
||
func (s *Service) GetPopularDestinations(ctx context.Context, origin string) ([]TravelSuggestion, error) {
|
||
if s.useRussianAPIs && s.travelPayouts != nil {
|
||
return s.travelPayouts.GetPopularDestinations(ctx, origin)
|
||
}
|
||
return nil, nil
|
||
}
|
||
|
||
func (s *Service) SearchPlaces(ctx context.Context, query string, lat, lng float64, radius int) ([]TwoGISPlace, error) {
|
||
if s.twoGIS != nil && s.twoGIS.HasAPIKey() {
|
||
return s.twoGIS.SearchPlaces(ctx, query, lat, lng, radius)
|
||
}
|
||
return nil, fmt.Errorf("2GIS API key not configured")
|
||
}
|
||
|
||
func (s *Service) CreateTrip(ctx context.Context, trip *Trip) error {
|
||
return s.repo.CreateTrip(ctx, trip)
|
||
}
|
||
|
||
func (s *Service) GetTrip(ctx context.Context, id string) (*Trip, error) {
|
||
return s.repo.GetTrip(ctx, id)
|
||
}
|
||
|
||
func (s *Service) GetUserTrips(ctx context.Context, userID string, limit, offset int) ([]Trip, error) {
|
||
return s.repo.GetTripsByUser(ctx, userID, limit, offset)
|
||
}
|
||
|
||
func (s *Service) UpdateTrip(ctx context.Context, trip *Trip) error {
|
||
return s.repo.UpdateTrip(ctx, trip)
|
||
}
|
||
|
||
func (s *Service) DeleteTrip(ctx context.Context, id string) error {
|
||
return s.repo.DeleteTrip(ctx, id)
|
||
}
|
||
|
||
func (s *Service) GetUpcomingTrips(ctx context.Context, userID string) ([]Trip, error) {
|
||
trips, err := s.repo.GetTripsByStatus(ctx, userID, TripStatusPlanned)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
booked, err := s.repo.GetTripsByStatus(ctx, userID, TripStatusBooked)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
now := time.Now()
|
||
var upcoming []Trip
|
||
for _, t := range append(trips, booked...) {
|
||
if t.StartDate.After(now) {
|
||
upcoming = append(upcoming, t)
|
||
}
|
||
}
|
||
|
||
return upcoming, nil
|
||
}
|
||
|
||
func (s *Service) BuildRouteFromPoints(ctx context.Context, trip *Trip) (*RouteDirection, error) {
|
||
if len(trip.Route) < 2 {
|
||
return nil, fmt.Errorf("need at least 2 points for route")
|
||
}
|
||
|
||
points := make([]GeoLocation, len(trip.Route))
|
||
for i, p := range trip.Route {
|
||
points[i] = GeoLocation{
|
||
Lat: p.Lat,
|
||
Lng: p.Lng,
|
||
Name: p.Name,
|
||
}
|
||
}
|
||
|
||
return s.openRoute.GetDirections(ctx, points, "driving-car")
|
||
}
|
||
|
||
func (s *Service) EnrichTripWithAI(ctx context.Context, trip *Trip) error {
|
||
if len(trip.Route) == 0 {
|
||
return nil
|
||
}
|
||
|
||
for i := range trip.Route {
|
||
point := &trip.Route[i]
|
||
if point.AIComment == "" {
|
||
pois, err := s.openRoute.SearchPOI(ctx, POISearchRequest{
|
||
Lat: point.Lat,
|
||
Lng: point.Lng,
|
||
Radius: 500,
|
||
Limit: 5,
|
||
})
|
||
if err == nil && len(pois) > 0 {
|
||
var nearbyNames []string
|
||
for _, poi := range pois {
|
||
if poi.Name != "" && poi.Name != point.Name {
|
||
nearbyNames = append(nearbyNames, poi.Name)
|
||
}
|
||
}
|
||
if len(nearbyNames) > 0 {
|
||
point.AIComment = fmt.Sprintf("Рядом: %s", strings.Join(nearbyNames, ", "))
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
return nil
|
||
}
|