Added methods of todos

lib/data/dao/player_game_dao.dart

@@ -10,16 +10,16 @@ class PlayerGameDao extends DatabaseAccessor<AppDatabase>
     with _$PlayerGameDaoMixin {
   PlayerGameDao(super.db);
 
-  /// Checks if there are any players associated with the given [gameId].
-  /// Returns `true` if there are players, otherwise `false`.
-  Future<bool> gameHasPlayers({required String gameId}) async {
-    final count =
-        await (selectOnly(playerGameTable)
-              ..where(playerGameTable.gameId.equals(gameId))
-              ..addColumns([playerGameTable.playerId.count()]))
-            .map((row) => row.read(playerGameTable.playerId.count()))
-            .getSingle();
-    return (count ?? 0) > 0;
+  /// Associates a player with a game by inserting a record into the
+  /// [PlayerGameTable].
+  Future<void> addPlayerToGame({
+    required String gameId,
+    required String playerId,
+  }) async {
+    await into(playerGameTable).insert(
+      PlayerGameTableCompanion.insert(playerId: playerId, gameId: gameId),
+      mode: InsertMode.insertOrReplace,
+    );
   }
 
   /// Retrieves a list of [Player]s associated with the given [gameId].
@@ -38,15 +38,45 @@ class PlayerGameDao extends DatabaseAccessor<AppDatabase>
     return players;
   }
 
-  /// Associates a player with a game by inserting a record into the
-  /// [PlayerGameTable].
-  Future<void> addPlayerToGame({
+  /// Checks if there are any players associated with the given [gameId].
+  /// Returns `true` if there are players, otherwise `false`.
+  Future<bool> gameHasPlayers({required String gameId}) async {
+    final count =
+        await (selectOnly(playerGameTable)
+              ..where(playerGameTable.gameId.equals(gameId))
+              ..addColumns([playerGameTable.playerId.count()]))
+            .map((row) => row.read(playerGameTable.playerId.count()))
+            .getSingle();
+    return (count ?? 0) > 0;
+  }
+
+  /// Checks if a specific player is associated with a specific game.
+  /// Returns `true` if the player is in the game, otherwise `false`.
+  Future<bool> isPlayerInGame({
     required String gameId,
     required String playerId,
   }) async {
-    await into(playerGameTable).insert(
-      PlayerGameTableCompanion.insert(playerId: playerId, gameId: gameId),
-      mode: InsertMode.insertOrReplace,
-    );
+    final count =
+        await (selectOnly(playerGameTable)
+              ..where(playerGameTable.gameId.equals(gameId))
+              ..where(playerGameTable.playerId.equals(playerId))
+              ..addColumns([playerGameTable.playerId.count()]))
+            .map((row) => row.read(playerGameTable.playerId.count()))
+            .getSingle();
+    return (count ?? 0) > 0;
+  }
+
+  /// Removes the association of a player with a game by deleting the record
+  /// from the [PlayerGameTable].
+  /// Returns `true` if more than 0 rows were affected, otherwise `false`.
+  Future<bool> removePlayerFromGame({
+    required String gameId,
+    required String playerId,
+  }) async {
+    final query = delete(playerGameTable)
+      ..where((pg) => pg.gameId.equals(gameId))
+      ..where((pg) => pg.playerId.equals(playerId));
+    final rowsAffected = await query.go();
+    return rowsAffected > 0;
   }
 }