player really join rooms

Assets/Scripts/DatabaseClasses/Player.cs

@@ -8,6 +8,12 @@ public class Player
     public string name;
     public string id;
 
+    public Player(string _name)
+    {
+        id = System.Guid.NewGuid().ToString();
+        name = _name;
+    }
+
     /// <summary>
     /// Will sanitize the text and set it for the player
     /// </summary>

Assets/Scripts/GameManager.cs

@@ -58,6 +58,7 @@ public class GameManager : MonoBehaviour
 
     private DatabaseReference realtimeDB;
     private Room myRoom;
+    private DatabaseReference myOnlineRoom;
 
     private void Awake()
     {
@@ -89,17 +90,24 @@ private void Initialize()
     /// </summary>
     public void PlayerValidateNameAndServerRoom(string _name, string _code)
     {
-        //check if the room exists, if not display an error message
+        if (string.IsNullOrEmpty(_name))
-        realtimeDB.Child("rooms").Child(_code).GetValueAsync().ContinueWithOnMainThread(task =>
         {
-            if (task.IsFaulted)
+            Debug.LogError("Player name is empty", this);
-            {
+            //TODO : MARINE : use the error label to explain to the user that they have forget to put a name
-                Debug.LogException(task.Exception);
+            return;
         }
-            else if (task.IsCompleted)
+
+        if (string.IsNullOrEmpty(_code))
         {
-                DataSnapshot snapshot = task.Result;
+            Debug.LogError("Room code is empty", this);
-                if (snapshot == null)
+            //TODO : MARINE : use the error label to explain to the user that they have forget to put a room code
+            return;
+        }
+
+        //check if the room exists, if not display an error message
+        CheckIfRoomExists(_code, room =>
+        {
+            if (room == null)
             {
                 Debug.LogError("The room doesn't exists");
                 roomError.text = "Error: the room doesn't exists";
@@ -107,11 +115,19 @@ public void PlayerValidateNameAndServerRoom(string _name, string _code)
             }
             else
             {
-                    myRoom = JsonUtility.FromJson<Room>(snapshot.GetRawJsonValue());
+                //if room exists, join it
-                    realtimeDB.Child("rooms").Child(_code).ChildChanged += OnRoomUpdate;
+                JoinRoom(() =>
-                }
+                {
+                    //then subscribe to it
+                    myOnlineRoom = realtimeDB.Child("rooms").Child(_code);
+                    myOnlineRoom.ChildChanged += OnRoomUpdate;
+                    Debug.Log($"room {myRoom.code} exists, I subscribe to it");
+                });
             }
         });
+
+
+
         string playerName = playerNameField.text;
         string roomCode = roomCodeField.text;
 
@@ -130,7 +146,7 @@ public void PlayerValidateNameAndServerRoom(string _name, string _code)
 
 
             //TEMP 
-            Player player = new Player();
+            Player player = new Player(playerName);
             player.SetName(playerName);
             player.id = "1";
 
@@ -140,19 +156,19 @@ public void PlayerValidateNameAndServerRoom(string _name, string _code)
                 submitStartGame.SetActive(true);
             }
 
-            Player player2 = new Player();
+            Player player2 = new Player("3J");
             player2.SetName("3J");
             player2.id = "2";
-            Player player3 = new Player();
+            Player player3 = new Player("3J");
             player3.SetName("3J");
             player3.id = "3";
-            Player player4 = new Player();
+            Player player4 = new Player("3J");
             player4.SetName("3J");
             player4.id = "4";
-            Player player5 = new Player();
+            Player player5 = new Player("3J");
             player5.SetName("3J");
             player5.id = "5";
-            Player player6 = new Player();
+            Player player6 = new Player("3J");
             player6.SetName("3J");
             player6.id = "6";
 
@@ -171,6 +187,53 @@ public void PlayerValidateNameAndServerRoom(string _name, string _code)
 
     }
 
+    private void CheckIfRoomExists(string _roomCode, Action<Room> callback_Room)
+    {
+        realtimeDB.Child("rooms").Child(_roomCode).GetValueAsync().ContinueWithOnMainThread(task =>
+        {
+            if (task.IsFaulted)
+            {
+                Debug.LogException(task.Exception);
+            }
+            else if (task.IsCompleted)
+            {
+                DataSnapshot snapshot = task.Result;
+                if (snapshot == null)
+                {
+                    callback_Room?.Invoke(null);
+                }
+                else
+                {
+                    callback_Room?.Invoke(JsonUtility.FromJson<Room>(snapshot.GetRawJsonValue()));
+                }
+            }
+        });
+
+    }
+
+    /// <summary>
+    /// Add this player to the room
+    /// </summary>
+    private void JoinRoom(Action callback_OnRoomJoined)
+    {
+        //TODO marine : uncomment aftter merge
+        /*
+        string JSON = JsonUtility.ToJson(currentPlayer);
+        myOnlineRoom.Child("players").Child(currentPlayer.id).SetRawJsonValueAsync(JSON).ContinueWithOnMainThread(task =>
+        {
+            if (task.IsFaulted)
+            {
+                Debug.LogException(task.Exception);
+            }
+            else
+            {
+                Debug.Log($"{currentPlayer.name} has been added to the room", this);
+                callback_OnRoomJoined?.Invoke();
+            }
+        });
+        */
+    }
+
     /// <summary>
     /// Call this only by the first player
     /// </summary>