Refreshing map URL (#2144)

* Refreshing map URL

When a "refresh" message is sent from the admin to the pusher, the map details endpoint is now called again.
If the Map URL is changed, the variable manager is refreshed.

back/src/Model/GameRoom.ts

@@ -520,7 +520,16 @@ export class GameRoom {
         this.admins.delete(admin);
     }
 
-    public incrementVersion(): number {
+    public async incrementVersion(): Promise<number> {
+        // Let's check if the mapUrl has changed
+        const mapDetails = await GameRoom.getMapDetails(this.roomUrl);
+        if (this.mapUrl !== mapDetails.mapUrl) {
+            this.mapUrl = mapDetails.mapUrl;
+            this.mapPromise = undefined;
+            // Reset the variable manager
+            this.variableManagerPromise = undefined;
+        }
+
         this.versionNumber++;
         return this.versionNumber;
     }

back/src/Services/SocketManager.ts

@@ -852,14 +852,14 @@ export class SocketManager {
             return;
         }
 
-        const versionNumber = room.incrementVersion();
+        const versionNumber = await room.incrementVersion();
         room.getUsers().forEach((recipient) => {
-            const worldFullMessage = new RefreshRoomMessage();
+            const refreshRoomMessage = new RefreshRoomMessage();
-            worldFullMessage.setRoomid(roomId);
+            refreshRoomMessage.setRoomid(roomId);
-            worldFullMessage.setVersionnumber(versionNumber);
+            refreshRoomMessage.setVersionnumber(versionNumber);
 
             const clientMessage = new ServerToClientMessage();
-            clientMessage.setRefreshroommessage(worldFullMessage);
+            clientMessage.setRefreshroommessage(refreshRoomMessage);
 
             recipient.socket.write(clientMessage);
         });