feat: travel service with 2GIS routing, POI, hotels + finance providers + UI overhaul
- 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
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276
backend/internal/travel/travelpayouts.go
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276
backend/internal/travel/travelpayouts.go
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@@ -0,0 +1,276 @@
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package travel
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import (
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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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"net/http"
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"net/url"
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"time"
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)
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type TravelPayoutsClient struct {
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token string
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marker string
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baseURL string
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httpClient *http.Client
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}
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type TravelPayoutsConfig struct {
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Token string
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Marker string
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BaseURL string
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}
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func NewTravelPayoutsClient(cfg TravelPayoutsConfig) *TravelPayoutsClient {
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baseURL := cfg.BaseURL
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if baseURL == "" {
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baseURL = "https://api.travelpayouts.com"
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}
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return &TravelPayoutsClient{
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token: cfg.Token,
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marker: cfg.Marker,
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baseURL: baseURL,
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httpClient: &http.Client{
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Timeout: 30 * time.Second,
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},
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}
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}
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func (c *TravelPayoutsClient) doRequest(ctx context.Context, path string, query url.Values) ([]byte, error) {
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if query == nil {
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query = url.Values{}
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}
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query.Set("token", c.token)
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if c.marker != "" {
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query.Set("marker", c.marker)
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}
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fullURL := c.baseURL + path + "?" + query.Encode()
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req, err := http.NewRequestWithContext(ctx, "GET", fullURL, nil)
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if err != nil {
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return nil, fmt.Errorf("create request: %w", err)
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}
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req.Header.Set("Accept", "application/json")
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resp, err := c.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("execute request: %w", err)
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}
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defer 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, fmt.Errorf("read response: %w", err)
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}
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if resp.StatusCode >= 400 {
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return nil, fmt.Errorf("API error %d: %s", resp.StatusCode, string(body))
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}
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return body, nil
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}
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func (c *TravelPayoutsClient) SearchFlights(ctx context.Context, req FlightSearchRequest) ([]FlightOffer, error) {
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query := url.Values{}
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query.Set("origin", req.Origin)
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query.Set("destination", req.Destination)
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query.Set("depart_date", req.DepartureDate)
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if req.ReturnDate != "" {
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query.Set("return_date", req.ReturnDate)
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}
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query.Set("adults", fmt.Sprintf("%d", req.Adults))
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if req.Currency != "" {
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query.Set("currency", req.Currency)
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} else {
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query.Set("currency", "rub")
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}
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query.Set("limit", "10")
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body, err := c.doRequest(ctx, "/aviasales/v3/prices_for_dates", query)
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if err != nil {
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return nil, err
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}
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var response struct {
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Success bool `json:"success"`
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Data []struct {
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Origin string `json:"origin"`
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Destination string `json:"destination"`
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OriginAirport string `json:"origin_airport"`
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DestAirport string `json:"destination_airport"`
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Price float64 `json:"price"`
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Airline string `json:"airline"`
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FlightNumber string `json:"flight_number"`
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DepartureAt string `json:"departure_at"`
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ReturnAt string `json:"return_at"`
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Transfers int `json:"transfers"`
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ReturnTransfers int `json:"return_transfers"`
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Duration int `json:"duration"`
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Link string `json:"link"`
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} `json:"data"`
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}
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if err := json.Unmarshal(body, &response); err != nil {
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return nil, fmt.Errorf("unmarshal flights: %w", err)
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}
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offers := make([]FlightOffer, 0, len(response.Data))
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for _, d := range response.Data {
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offer := FlightOffer{
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ID: fmt.Sprintf("%s-%s-%s", d.Origin, d.Destination, d.DepartureAt),
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Airline: d.Airline,
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FlightNumber: d.FlightNumber,
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DepartureAirport: d.OriginAirport,
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DepartureCity: d.Origin,
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DepartureTime: d.DepartureAt,
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ArrivalAirport: d.DestAirport,
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ArrivalCity: d.Destination,
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ArrivalTime: d.ReturnAt,
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Duration: d.Duration,
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Stops: d.Transfers,
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Price: d.Price,
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Currency: req.Currency,
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BookingURL: "https://www.aviasales.ru" + d.Link,
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}
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offers = append(offers, offer)
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}
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return offers, nil
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}
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func (c *TravelPayoutsClient) GetCheapestPrices(ctx context.Context, origin, destination string, currency string) ([]FlightOffer, error) {
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query := url.Values{}
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query.Set("origin", origin)
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query.Set("destination", destination)
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if currency != "" {
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query.Set("currency", currency)
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} else {
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query.Set("currency", "rub")
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}
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body, err := c.doRequest(ctx, "/aviasales/v3/prices_for_dates", query)
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if err != nil {
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return nil, err
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}
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var response struct {
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Success bool `json:"success"`
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Data []struct {
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DepartDate string `json:"depart_date"`
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ReturnDate string `json:"return_date"`
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Origin string `json:"origin"`
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Destination string `json:"destination"`
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Price float64 `json:"price"`
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Airline string `json:"airline"`
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Transfers int `json:"number_of_changes"`
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Link string `json:"link"`
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} `json:"data"`
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}
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if err := json.Unmarshal(body, &response); err != nil {
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return nil, fmt.Errorf("unmarshal prices: %w", err)
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}
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offers := make([]FlightOffer, 0, len(response.Data))
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for _, d := range response.Data {
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offer := FlightOffer{
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ID: fmt.Sprintf("%s-%s-%s", d.Origin, d.Destination, d.DepartDate),
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Airline: d.Airline,
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DepartureCity: d.Origin,
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DepartureTime: d.DepartDate,
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ArrivalCity: d.Destination,
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ArrivalTime: d.ReturnDate,
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Stops: d.Transfers,
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Price: d.Price,
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Currency: currency,
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BookingURL: "https://www.aviasales.ru" + d.Link,
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}
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offers = append(offers, offer)
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}
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return offers, nil
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}
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func (c *TravelPayoutsClient) GetPopularDestinations(ctx context.Context, origin string) ([]TravelSuggestion, error) {
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query := url.Values{}
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query.Set("origin", origin)
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query.Set("currency", "rub")
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body, err := c.doRequest(ctx, "/aviasales/v3/city_directions", query)
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if err != nil {
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return nil, err
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}
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var response struct {
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Success bool `json:"success"`
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Data map[string]struct {
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Origin string `json:"origin"`
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Destination string `json:"destination"`
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Price float64 `json:"price"`
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Transfers int `json:"transfers"`
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Airline string `json:"airline"`
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DepartDate string `json:"departure_at"`
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ReturnDate string `json:"return_at"`
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} `json:"data"`
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}
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if err := json.Unmarshal(body, &response); err != nil {
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return nil, fmt.Errorf("unmarshal destinations: %w", err)
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}
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suggestions := make([]TravelSuggestion, 0)
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for dest, d := range response.Data {
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suggestion := TravelSuggestion{
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ID: dest,
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Type: "destination",
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Title: dest,
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Description: fmt.Sprintf("от %s, %d пересадок", d.Airline, d.Transfers),
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Price: d.Price,
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Currency: "RUB",
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}
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suggestions = append(suggestions, suggestion)
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}
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return suggestions, nil
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}
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func (c *TravelPayoutsClient) GetAirportByIATA(ctx context.Context, iata string) (*GeoLocation, error) {
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query := url.Values{}
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query.Set("code", iata)
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query.Set("locale", "ru")
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body, err := c.doRequest(ctx, "/data/ru/airports.json", query)
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if err != nil {
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return nil, err
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}
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var airports []struct {
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Code string `json:"code"`
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Name string `json:"name"`
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Coordinates []float64 `json:"coordinates"`
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Country string `json:"country_code"`
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City string `json:"city_code"`
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}
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if err := json.Unmarshal(body, &airports); err != nil {
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return nil, fmt.Errorf("unmarshal airports: %w", err)
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}
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for _, a := range airports {
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if a.Code == iata && len(a.Coordinates) >= 2 {
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return &GeoLocation{
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Lng: a.Coordinates[0],
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Lat: a.Coordinates[1],
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Name: a.Name,
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Country: a.Country,
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}, nil
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}
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}
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return nil, fmt.Errorf("airport not found: %s", iata)
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}
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