Files
projet_gestion_commande/backend/gestion/services/tomtom.go
T

77 lines
2.0 KiB
Go

// ============================================
// services/tomtom.go - SERVICE TOMTOM ROUTING
// ============================================
package services
import (
"encoding/json"
"fmt"
"gestion/models"
"io"
"log"
"net/http"
"net/url"
"os"
"time"
)
func GetETAWithTraffic(from, to Coordinates) (etaMinutes int, distanceKm float64, err error) {
apiKey := os.Getenv("TOMTOM_API_KEY")
if apiKey == "" {
return 0, 0, fmt.Errorf("TOMTOM_API_KEY non configurée")
}
u := &url.URL{
Scheme: "https",
Host: "api.tomtom.com",
Path: fmt.Sprintf("/routing/1/calculateRoute/%f,%f:%f,%f/json", from.Latitude, from.Longitude, to.Latitude, to.Longitude),
}
q := url.Values{}
q.Set("key", apiKey)
q.Set("traffic", "true")
q.Set("travelMode", "car")
u.RawQuery = q.Encode()
req, err := http.NewRequest(http.MethodGet, u.String(), nil)
if err != nil {
return 0, 0, fmt.Errorf("erreur construction requête TomTom: %w", err)
}
client := &http.Client{Timeout: 10 * time.Second}
resp, err := client.Do(req)
if err != nil {
return 0, 0, fmt.Errorf("erreur requête TomTom: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
body, _ := io.ReadAll(resp.Body)
return 0, 0, fmt.Errorf("erreur API TomTom %d: %s", resp.StatusCode, string(body))
}
body, err := io.ReadAll(resp.Body)
if err != nil {
return 0, 0, fmt.Errorf("erreur lecture: %w", err)
}
var routeResponse models.RouteResponse
if err := json.Unmarshal(body, &routeResponse); err != nil {
return 0, 0, fmt.Errorf("erreur parsing: %w", err)
}
if len(routeResponse.Routes) == 0 {
return 0, 0, fmt.Errorf("aucun itinéraire trouvé")
}
summary := routeResponse.Routes[0].Summary
// Calculer ETA en minutes (arrondi supérieur)
etaMinutes = (summary.TravelTimeInSeconds + 59) / 60
distanceKm = float64(summary.LengthInMeters) / 1000.0
log.Printf("🛣️ TomTom Routing: %.2f km → %d min (trafic inclus)", distanceKm, etaMinutes)
return etaMinutes, distanceKm, nil
}