feat: BAC-27 Implement the API Endpoint on the backend

knockoutwhistweb/app/controllers/StatusController.scala

@@ -0,0 +1,120 @@
+package controllers
+
+import auth.{AuthAction, AuthenticatedRequest}
+import de.knockoutwhist.control.GameState.{FinishedMatch, InGame, Lobby, MainMenu, SelectTrump, TieBreak}
+import logic.PodManager
+import logic.game.GameLobby
+import logic.user.SessionManager
+import model.users.User
+import play.api.libs.json.{JsValue, Json}
+import play.api.mvc.{Action, *}
+
+import javax.inject.Inject
+
+class StatusController @Inject()(
+                                  val controllerComponents: ControllerComponents,
+                                  val sessionManager: SessionManager,
+                                  val authAction: AuthAction
+                                ) extends BaseController {
+
+  def requestStatus(): Action[AnyContent] = {
+    Action { implicit request =>
+      val userOpt = getUserFromSession(request)
+      if (userOpt.isEmpty) {
+        Ok(
+          Json.obj(
+            "status" -> "unauthenticated"
+          )
+        )
+      } else {
+        val user = userOpt.get
+        val gameOpt = PodManager.identifyGameOfUser(user)
+        if (gameOpt.isEmpty) {
+          Ok(
+            Json.obj(
+              "status" -> "authenticated",
+              "username" -> user.name,
+              "inGame" -> "false"
+            )
+          )
+        } else {
+          val game = gameOpt.get
+          Ok(
+            Json.obj(
+              "status" -> "authenticated",
+              "username" -> user.name,
+              "inGame" -> "true",
+              "gameId" -> game.id
+            )
+          )
+        }
+      }
+    }
+  }
+
+  def game(gameId: String): Action[AnyContent] = {
+    Action { implicit request =>
+    val userOpt = getUserFromSession(request)
+    if (userOpt.isEmpty) {
+      Unauthorized("User not authenticated")
+    } else {
+      val user = userOpt.get
+      val gameOpt = PodManager.getGame(gameId)
+      if (gameOpt.isEmpty) {
+        NotFound("Game not found")
+      } else {
+        val game = gameOpt.get
+        if (!game.getPlayers.contains(user.id)) {
+          Forbidden("User not part of this game")
+        } else {
+          Ok(
+            Json.obj(
+              "gameId" -> game.id,
+              "state" -> game.logic.getCurrentState.toString,
+              "data" -> mapGameState(game, user) 
+            )
+          )
+        }
+      }
+    }
+  }}
+
+  private def getUserFromSession(request: RequestHeader): Option[User] = {
+    val session = request.cookies.get("sessionId")
+    if (session.isDefined)
+      return sessionManager.getUserBySession(session.get.value)
+    None
+  }
+  
+  private def mapGameState(gameLobby: GameLobby, user: User): JsValue = {
+    val userSession = gameLobby.getUserSession(user.id)
+    gameLobby.logic.getCurrentState match {
+      case Lobby =>
+        Json.obj(
+          "host" -> userSession.host,
+          "players" -> gameLobby.getUsers.map(p => Json.obj("id" -> p.id, "name" -> p.name, "isSelf" -> (p.id == user.id)))
+        )
+      case SelectTrump =>
+        Json.obj(
+          
+        )
+      case MainMenu =>
+        Json.obj(
+
+        )
+      case InGame =>
+        Json.obj(
+
+        )
+      case TieBreak =>
+        Json.obj(
+
+        )
+      case FinishedMatch =>
+        Json.obj(
+
+      )
+    }
+  }
+
+}