First version of retrieving a gamesession from the db

lib/data/db/dao/game_session_dao.dart

@@ -1,10 +1,39 @@
 import 'package:cabo_counter/data/db/database.dart';
+import 'package:cabo_counter/data/db/tables/game_session_table.dart';
+import 'package:cabo_counter/data/dto/game_session.dart';
+import 'package:cabo_counter/data/dto/player.dart';
+import 'package:cabo_counter/data/dto/round.dart';
 import 'package:drift/drift.dart';
 
 part 'game_session_dao.g.dart';
 
-@DriftAccessor(tables: [])
+@DriftAccessor(tables: [GameSessionTable])
 class GameSessionDao extends DatabaseAccessor<AppDatabase>
     with _$GameSessionDaoMixin {
   GameSessionDao(super.db);
+
+  /// Retrieves a game session by its ID.
+  Future<GameSession> getGameSession(String id) async {
+    final query = select(gameSessionTable)..where((tbl) => tbl.id.equals(id));
+    final gameSessionResult = await query.getSingle();
+
+    List<Player> playerList = await db.playerDao.getPlayersByGameId(id);
+    List<Round> roundList = await db.roundsDao.getRoundsByGameId(id);
+
+    GameSession gameSession = GameSession(
+        id: gameSessionResult.id,
+        createdAt: gameSessionResult.createdAt,
+        gameTitle: gameSessionResult.gameTitle,
+        players: playerList.map((player) => player.name).toList(),
+        pointLimit: gameSessionResult.pointLimit,
+        caboPenalty: gameSessionResult.caboPenalty,
+        isPointsLimitEnabled: gameSessionResult.isPointsLimitEnabled,
+        isGameFinished: gameSessionResult.isGameFinished,
+        winner: gameSessionResult.winner ?? '',
+        roundNumber: gameSessionResult.roundNumber,
+        playerScores: playerList.map((player) => player.totalScore).toList(),
+        roundList: roundList);
+
+    return gameSession;
+  }
 }