chore: add ansible backend docker frontend-prep

backend/gestion/db/redis_pubsub.go

@@ -0,0 +1,39 @@
+package db
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"time"
+)
+
+// PublishCommandEvent publie un événement de commande
+func (d *Database) PublishCommandEvent(commandID int, eventType, message string) {
+	channel := fmt.Sprintf("events:command:%d", commandID)
+
+	event := map[string]interface{}{
+		"command_id": commandID,
+		"type":       eventType,
+		"message":    message,
+		"timestamp":  time.Now().Unix(),
+	}
+
+	data, _ := json.Marshal(event)
+	Redis.Publish(RedisCtx, channel, data)
+}
+
+// PublishDeliveryPersonLocationUpdate publie un événement de mise à jour de position
+func (d *Database) PublishDeliveryPersonLocationUpdate(username string, lat, lon float64) {
+	message := map[string]interface{}{
+		"type":      "location_update",
+		"username":  username,
+		"latitude":  lat,
+		"longitude": lon,
+		"timestamp": time.Now().Unix(),
+	}
+
+	data, _ := json.Marshal(message)
+	Redis.Publish(RedisCtx, "delivery:events", data)
+
+	log.Printf("📡 Événement publié: Position de %s mise à jour", username)
+}