WIP ws messages, TODO backend receiving frontend messages

shared_models/lib/room.dart

@@ -27,12 +27,11 @@ class CreateRoomResponse {
 sealed class GameRoomMessage {
   GameRoomMessage(this.roomUuid);
   final String roomUuid;
-  abstract final String type;
+  abstract String? type;
 
   factory GameRoomMessage.fromJson(Map<String, dynamic> json) {
     return switch (json['type']) {
       'ping' => PingMessage.fromJson(json),
-      'roomPing' => RoomPingMessage.fromJson(json),
       'playerVote' => PlayerVoteMessage.fromJson(json),
       _ => throw Exception('Unknown message type'),
     };
@@ -45,41 +44,24 @@ enum PingDestination { client, server }
 
 @JsonSerializable()
 class PingMessage extends GameRoomMessage {
-  DateTime timestamp;
+  late final DateTime timestamp;
   final PingDestination dest;
-  final String userUuid;
+  String userUuid;
 
-  PingMessage(super.roomUuid, {required this.dest, required this.userUuid}) {
-    timestamp = DateTime.now();
+  PingMessage(super.roomUuid, {required this.dest, required this.userUuid, required this.timestamp}) {
     type = 'ping';
   }
 
+  factory PingMessage.now(String roomUuid, {required PingDestination dest, required String userUuid}) =>
+      PingMessage(roomUuid, userUuid: userUuid, dest: dest, timestamp: DateTime.now());
+
   factory PingMessage.fromJson(Map<String, dynamic> json) => _$PingMessageFromJson(json);
 
   @override
   Map<String, dynamic> toJson() => _$PingMessageToJson(this);
 
   @override
-  late final String type;
-}
-
-@JsonSerializable()
-class RoomPingMessage extends GameRoomMessage {
-  late final DateTime timestamp;
-  final PingDestination dest;
-
-  RoomPingMessage(super.roomUuid, {required this.dest}) {
-    timestamp = DateTime.now();
-    type = 'roomPing';
-  }
-
-  factory RoomPingMessage.fromJson(Map<String, dynamic> json) => _$RoomPingMessageFromJson(json);
-
-  @override
-  Map<String, dynamic> toJson() => _$RoomPingMessageToJson(this);
-
-  @override
-  late final String type;
+  String? type;
 }
 
 @JsonSerializable()
@@ -97,5 +79,5 @@ class PlayerVoteMessage extends GameRoomMessage {
   Map<String, dynamic> toJson() => _$PlayerVoteMessageToJson(this);
 
   @override
-  late final String type;
+  String? type;
 }