feat: Update joinGame endpoint to accept gameId as a path parameter

knockoutwhistweb/app/controllers/MainMenuController.scala

@@ -55,13 +55,8 @@ class MainMenuController @Inject()(
 
   }
 
-  def joinGame(): Action[AnyContent] = authAction { implicit request: AuthenticatedRequest[AnyContent] =>
-    val jsonBody = request.body.asJson
-    val gameId: Option[String] = jsonBody.flatMap { jsValue =>
-      (jsValue \ "gameId").asOpt[String]
-    }
-    if (gameId.isDefined) {
-      val game = PodManager.getGame(gameId.get)
+  def joinGame(gameId: String): Action[AnyContent] = authAction { implicit request: AuthenticatedRequest[AnyContent] =>
+    val game = PodManager.getGame(gameId)
     game match {
       case Some(g) =>
         g.addUser(request.user)
@@ -76,12 +71,6 @@ class MainMenuController @Inject()(
           "errorMessage" -> "No Game found"
         ))
     }
-    } else {
-      BadRequest(Json.obj(
-        "status" -> "failure",
-        "errorMessage" -> "Invalid form submission"
-      ))
-    }
   }
 
   def rules(): Action[AnyContent] = authAction { implicit request: AuthenticatedRequest[AnyContent] =>

knockoutwhistweb/conf/routes

@@ -15,7 +15,7 @@ GET         /rules                   controllers.MainMenuController.rules()
 GET         /navSPA/:pType           controllers.MainMenuController.navSPA(pType)
 
 POST        /createGame              controllers.MainMenuController.createGame()
-POST        /joinGame                controllers.MainMenuController.joinGame()
+POST        /joinGame/:gameId        controllers.MainMenuController.joinGame(gameId: String)
 
 # User authentication routes
 POST        /login                   controllers.UserController.login_Post()