chore: add ansible backend docker frontend-prep

backend/gestion/services/tomtom.go

@@ -0,0 +1,66 @@
+// ============================================
+// services/tomtom.go - SERVICE TOMTOM ROUTING
+// ============================================
+
+package services
+
+import (
+	"encoding/json"
+	"fmt"
+	"gestion/models"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"time"
+)
+
+// GetETAWithTraffic calcule l'ETA avec le trafic réel via TomTom
+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")
+	}
+
+	// API TomTom Routing: Calculate Route avec trafic
+	url := fmt.Sprintf(
+		"https://api.tomtom.com/routing/1/calculateRoute/%f,%f:%f,%f/json?key=%s&traffic=true&travelMode=car",
+		from.Latitude, from.Longitude, to.Latitude, to.Longitude, apiKey,
+	)
+
+	client := &http.Client{Timeout: 10 * time.Second}
+	resp, err := client.Get(url)
+	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
+}