.gitea/ISSUE_TEMPLATE/BUG_REPORT.md

@@ -1,6 +1,6 @@
 ---
 name: Bug report
-about: Create a report for something does not work as it should
+about: Erstelle eine Meldung für etwas, das nicht Funktioniert, wie es soll.
 title: ''
 labels: 'Task/Bug'
 assignees: ''
@@ -9,28 +9,27 @@ assignees: ''
 
 # Bug Report  
 
-## Description
+## Beschreibung
-[A clear and concise description of the bug]  
+[Eine klare und prägnante Beschreibung des Bugs]  
 
-## Steps to Reproduce
+## Schritte zur Reproduktion
-1. Step 1  
+1. Schritt 1  
-2. Step 2  
+2. Schritt 2  
 3. ...  
 
-## Expected Behavior
+## Erwartetes Verhalten
-[What should have happened]  
+[Was hätte passieren sollen]  
 
-## Actual Behavior
+## Tatsächliches Verhalten
-[What actually happened]  
+[Was tatsächlich passiert ist]   
 
-## Screenshots/Logs
+## Screenshots/Protokolle
-[If applicable, add screenshots, error logs, or stack traces]  
+[Falls zutreffend, füge Screenshots, Error Logs oder Stack Traces hinzu]   
 
-## Environment
+## Umgebung
-- OS: [e.g., iOS 18.5, Android 14]  
+- Plattform: Android, iOS, Web
+- OS: [z. B. iOS 18.5, Android 14]  
+- Flutter Version: [z.B. 3.35.6]
 
-## Possible Fix (Optional)
+## Verwandte Issues
-[Any suggestions on how to resolve the issue]  
+[Verweisen Sie auf ähnliche Issues oder PRs]
-
-## Related Issues (Optional)
-[Reference similar issues or PRs]

.gitea/ISSUE_TEMPLATE/ENHANCEMENT.md

@@ -9,14 +9,14 @@ assignees: ''
 
 # Enhancement  
 
-## Current Behavior
+## Aktuelles Verhalten
-[Describe the existing functionality]  
+[Beschreibe die bestehende Funktionalität]  
 
-## Limitations/Problems 
+## Einschränkungen/Probleme 
-[What are the current shortcomings?]  
+[Was sind die aktuellen Mängel?]  
 
-## Suggested Improvement  
+## Vorgeschlagene Verbesserung  
-[How can this be enhanced? Be specific.]  
+[Wie kann das Problem bzw. die Einschränkung verbessert werden?]  
 
-## Benefits
+## Zugehörige Issues
-[How will this improve the product?]  
+[Links zu verwandten oder blockierenden Issues]

.gitea/ISSUE_TEMPLATE/FEATURE.md

@@ -1,22 +1,19 @@
 ---
 name: Feature
-about: New feature for the app
+about: Neues Feature für die App
 title: ''
 labels: 'Task\Feature'
 assignees: ''
 
 ---
 
-# 🚀 Feature  
+# Feature  
 
-## Description
+## Beschreibung
-[Detailed explanation of the proposed feature]  
+[Ausführliche Erläuterung der vorgeschlagenen Funktion]  
 
-## Why is this feature needed?
+## Vorgeschlagene Lösung
-[Explain the problem or use case this feature would solve]  
+[Beschreibe, wie die Feature funktionieren soll]  
 
-## Proposed Solution
+## Zugehörige Issues
-[Describe how the feature should work]  
+[Links zu verwandten oder blockierenden Issues]
-
-## Related Issues (Optional)
-[Links to related discussions or requests]

.gitea/PULL_REQUEST_TEMPLATE.md

@@ -1,16 +1,16 @@
-# [PR Title]
+# [PR Titel]
 
-**Related Issue(s):**  
+**Zugehörige Issue(s):**  
 Closes `<issue-no>`
 
-## Description  
+## Beschreibung  
-*A clear and concise overview of the changes made. Explain the "why" behind the PR, not just the "what".*  
+*Eine klare und prägnante Übersicht über die vorgenommenen Änderungen. Erläutere nicht nur das was gemacht wurde, sondern auch warum.*
 
-## Changes Made  
+## Änderungen  
-- [ ] Added new feature X  
+- [ ] Neue Funktion X hinzugefügt
-- [ ] Fixed bug in component Y  
+- [ ] Bug in Komponente Y behoben
-- [ ] Refactored module Z for better performance  
+- [ ] Modul Z für bessere Leistung refactored
-- [ ] Updated dependencies
+- [ ] Dependencies aktualisiert
 
-## Additional Notes  
+## Zusätzliche Anmerkungen  
-*Any extra context, limitations, or decisions that reviewers should know about?*  
+*Gibt es zusätzlichen Kontext, Einschränkungen oder Informationen, die Reviewer wissen sollten?*  

lib/data/dao/game_dao.dart

@@ -2,6 +2,8 @@ import 'package:drift/drift.dart';
 import 'package:game_tracker/data/db/database.dart';
 import 'package:game_tracker/data/db/tables/game_table.dart';
 import 'package:game_tracker/data/dto/game.dart';
+import 'package:game_tracker/data/dto/group.dart';
+import 'package:game_tracker/data/dto/player.dart';
 
 part 'game_dao.g.dart';
 
@@ -16,11 +18,58 @@ class GameDao extends DatabaseAccessor<AppDatabase> with _$GameDaoMixin {
     return result.map((row) => Game(id: row.id, name: row.name)).toList();
   }
 
-  /// Retrieves a [Game] by its [id].
+  /// Retrieves a [Game] by its [gameId].
-  Future<Game> getGameById(String id) async {
+  Future<Game> getGameById({required String gameId}) async {
-    final query = select(gameTable)..where((g) => g.id.equals(id));
+    final query = select(gameTable)..where((g) => g.id.equals(gameId));
     final result = await query.getSingle();
-    return Game(id: result.id, name: result.name);
+
+    List<Player>? players;
+    if (await db.playerGameDao.gameHasPlayers(gameId: gameId)) {
+      players = await db.playerGameDao.getPlayersByGameId(gameId: gameId);
+    }
+    Group? group;
+    if (await db.groupGameDao.hasGameGroup(gameId: gameId)) {
+      group = await db.groupGameDao.getGroupByGameId(gameId: gameId);
+    }
+
+    return Game(
+      id: result.id,
+      name: result.name,
+      players: players,
+      group: group,
+      winner: result.winnerId,
+    );
+  }
+
+  /// Adds a new [Game] to the database.
+  /// Also adds associated players and group if they exist.
+  Future<void> addGame({required Game game}) async {
+    await db.transaction(() async {
+      for (final p in game.players ?? []) {
+        await db.playerDao.addPlayer(player: p);
+        await db.playerGameDao.addPlayerToGame(gameId: game.id, playerId: p.id);
+      }
+      if (game.group != null) {
+        await db.groupDao.addGroup(group: game.group!);
+        await db.groupGameDao.addGroupToGame(game.id, game.group!.id);
+      }
+      await into(gameTable).insert(
+        GameTableCompanion.insert(
+          id: game.id,
+          name: game.name,
+          winnerId: game.winner,
+        ),
+        mode: InsertMode.insertOrReplace,
+      );
+    });
+  }
+
+  /// Deletes the game with the given [gameId] from the database.
+  /// Returns `true` if more than 0 rows were affected, otherwise `false`.
+  Future<bool> deleteGame({required String gameId}) async {
+    final query = delete(gameTable)..where((g) => g.id.equals(gameId));
+    final rowsAffected = await query.go();
+    return rowsAffected > 0;
   }
 
   /// Retrieves the number of games in the database.
@@ -31,4 +80,12 @@ class GameDao extends DatabaseAccessor<AppDatabase> with _$GameDaoMixin {
             .getSingle();
     return count ?? 0;
   }
+
+  /// Checks if a game with the given [gameId] exists in the database.
+  /// Returns `true` if the game exists, otherwise `false`.
+  Future<bool> gameExists({required String gameId}) async {
+    final query = select(gameTable)..where((g) => g.id.equals(gameId));
+    final result = await query.getSingleOrNull();
+    return result != null;
+  }
 }

lib/data/dao/game_dao.g.dart

@@ -4,5 +4,6 @@ part of 'game_dao.dart';
 
 // ignore_for_file: type=lint
 mixin _$GameDaoMixin on DatabaseAccessor<AppDatabase> {
+  $PlayerTableTable get playerTable => attachedDatabase.playerTable;
   $GameTableTable get gameTable => attachedDatabase.gameTable;
 }

lib/data/dao/group_dao.dart

@@ -19,39 +19,60 @@ class GroupDao extends DatabaseAccessor<AppDatabase> with _$GroupDaoMixin {
         .toList();
   }
 
-  /// Retrieves a [Group] by its [id], including its members.
+  /// Retrieves a [Group] by its [groupId], including its members.
-  Future<Group> getGroupById(String id) async {
+  Future<Group> getGroupById({required String groupId}) async {
-    final query = select(groupTable)..where((g) => g.id.equals(id));
+    final query = select(groupTable)..where((g) => g.id.equals(groupId));
     final result = await query.getSingle();
 
-    List<Player> members = [];
+    List<Player> members = await db.playerGroupDao.getPlayersOfGroupById(
-
+      groupId: groupId,
-    members = await db.playerGroupDao.getPlayersOfGroupById(id);
+    );
 
     return Group(id: result.id, name: result.name, members: members);
   }
 
   /// Adds a new group with the given [id] and [name] to the database.
-  /// Returns `true` if more than 0 rows were affected, otherwise `false`.
+  /// This method also adds the group's members to the [PlayerGroupTable].
-  Future<void> addGroup(String id, String name) async {
+  Future<void> addGroup({required Group group}) async {
+    await db.transaction(() async {
       await into(
         groupTable,
-    ).insert(GroupTableCompanion.insert(id: id, name: name));
+      ).insert(GroupTableCompanion.insert(id: group.id, name: group.name));
+      await db.batch(
+        (b) => b.insertAll(
+          db.playerGroupTable,
+          group.members
+              .map(
+                (member) => PlayerGroupTableCompanion.insert(
+                  playerId: member.id,
+                  groupId: group.id,
+                ),
+              )
+              .toList(),
+        ),
+      );
+      await Future.wait(
+        group.members.map((player) => db.playerDao.addPlayer(player: player)),
+      );
+    });
   }
 
   /// Deletes the group with the given [id] from the database.
   /// Returns `true` if more than 0 rows were affected, otherwise `false`.
-  Future<bool> deleteGroup(String id) async {
+  Future<bool> deleteGroup({required String groupId}) async {
-    final query = (delete(groupTable)..where((g) => g.id.equals(id)));
+    final query = (delete(groupTable)..where((g) => g.id.equals(groupId)));
     final rowsAffected = await query.go();
     return rowsAffected > 0;
   }
 
   /// Updates the name of the group with the given [id] to [newName].
   /// Returns `true` if more than 0 rows were affected, otherwise `false`.
-  Future<bool> updateGroupname(String id, String newName) async {
+  Future<bool> updateGroupname({
+    required String groupId,
+    required String newName,
+  }) async {
     final rowsAffected =
-        await (update(groupTable)..where((g) => g.id.equals(id))).write(
+        await (update(groupTable)..where((g) => g.id.equals(groupId))).write(
           GroupTableCompanion(name: Value(newName)),
         );
     return rowsAffected > 0;
@@ -65,4 +86,12 @@ class GroupDao extends DatabaseAccessor<AppDatabase> with _$GroupDaoMixin {
             .getSingle();
     return count ?? 0;
   }
+
+  /// Checks if a group with the given [groupId] exists in the database.
+  /// Returns `true` if the group exists, `false` otherwise.
+  Future<bool> groupExists({required String groupId}) async {
+    final query = select(groupTable)..where((g) => g.id.equals(groupId));
+    final result = await query.getSingleOrNull();
+    return result != null;
+  }
 }

lib/data/dao/group_game_dao.dart

@@ -0,0 +1,42 @@
+import 'package:drift/drift.dart';
+import 'package:game_tracker/data/db/database.dart';
+import 'package:game_tracker/data/db/tables/group_game_table.dart';
+import 'package:game_tracker/data/dto/group.dart';
+
+part 'group_game_dao.g.dart';
+
+@DriftAccessor(tables: [GroupGameTable])
+class GroupGameDao extends DatabaseAccessor<AppDatabase>
+    with _$GroupGameDaoMixin {
+  GroupGameDao(super.db);
+
+  /// Checks if there is a group associated with the given [gameId].
+  /// Returns `true` if there is a group, otherwise `false`.
+  Future<bool> hasGameGroup({required String gameId}) async {
+    final count =
+        await (selectOnly(groupGameTable)
+              ..where(groupGameTable.gameId.equals(gameId))
+              ..addColumns([groupGameTable.groupId.count()]))
+            .map((row) => row.read(groupGameTable.groupId.count()))
+            .getSingle();
+    return (count ?? 0) > 0;
+  }
+
+  /// Retrieves the [Group] associated with the given [gameId].
+  Future<Group> getGroupByGameId({required String gameId}) async {
+    final result = await (select(
+      groupGameTable,
+    )..where((g) => g.gameId.equals(gameId))).getSingle();
+
+    final group = await db.groupDao.getGroupById(groupId: result.groupId);
+    return group;
+  }
+
+  /// Associates a group with a game by inserting a record into the
+  /// [GroupGameTable].
+  Future<void> addGroupToGame(String gameId, String groupId) async {
+    await into(
+      groupGameTable,
+    ).insert(GroupGameTableCompanion.insert(groupId: groupId, gameId: gameId));
+  }
+}

lib/data/dao/group_game_dao.g.dart

@@ -0,0 +1,11 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'group_game_dao.dart';
+
+// ignore_for_file: type=lint
+mixin _$GroupGameDaoMixin on DatabaseAccessor<AppDatabase> {
+  $GroupTableTable get groupTable => attachedDatabase.groupTable;
+  $PlayerTableTable get playerTable => attachedDatabase.playerTable;
+  $GameTableTable get gameTable => attachedDatabase.gameTable;
+  $GroupGameTableTable get groupGameTable => attachedDatabase.groupGameTable;
+}

lib/data/dao/player_dao.dart

@@ -17,39 +17,57 @@ class PlayerDao extends DatabaseAccessor<AppDatabase> with _$PlayerDaoMixin {
   }
 
   /// Retrieves a [Player] by their [id].
-  Future<Player> getPlayerById(String id) async {
+  Future<Player> getPlayerById({required String playerId}) async {
-    final query = select(playerTable)..where((p) => p.id.equals(id));
+    final query = select(playerTable)..where((p) => p.id.equals(playerId));
     final result = await query.getSingle();
     return Player(id: result.id, name: result.name);
   }
 
   /// Adds a new [player] to the database.
-  Future<void> addPlayer(Player player) async {
+  /// If a player with the same ID already exists, updates their name to
+  /// the new one.
+  Future<void> addPlayer({required Player player}) async {
+    if (!await playerExists(playerId: player.id)) {
       await into(
         playerTable,
       ).insert(PlayerTableCompanion.insert(id: player.id, name: player.name));
+    } else {
+      await updatePlayername(playerId: player.id, newName: player.name);
+    }
   }
 
   /// Deletes the player with the given [id] from the database.
   /// Returns `true` if the player was deleted, `false` if the player did not exist.
-  Future<bool> deletePlayer(String id) async {
+  Future<bool> deletePlayer({required String playerId}) async {
-    final query = delete(playerTable)..where((p) => p.id.equals(id));
+    final query = delete(playerTable)..where((p) => p.id.equals(playerId));
     final rowsAffected = await query.go();
     return rowsAffected > 0;
   }
 
   /// Checks if a player with the given [id] exists in the database.
   /// Returns `true` if the player exists, `false` otherwise.
-  Future<bool> playerExists(String id) async {
+  Future<bool> playerExists({required String playerId}) async {
-    final query = select(playerTable)..where((p) => p.id.equals(id));
+    final query = select(playerTable)..where((p) => p.id.equals(playerId));
     final result = await query.getSingleOrNull();
     return result != null;
   }
 
-  /// Updates the name of the player with the given [id] to [newName].
+  /// Updates the name of the player with the given [playerId] to [newName].
-  Future<void> updatePlayername(String id, String newName) async {
+  Future<void> updatePlayername({
-    await (update(playerTable)..where((p) => p.id.equals(id))).write(
+    required String playerId,
+    required String newName,
+  }) async {
+    await (update(playerTable)..where((p) => p.id.equals(playerId))).write(
       PlayerTableCompanion(name: Value(newName)),
     );
   }
+
+  /// Retrieves the total count of players in the database.
+  Future<int> getPlayerCount() async {
+    final count =
+        await (selectOnly(playerTable)..addColumns([playerTable.id.count()]))
+            .map((row) => row.read(playerTable.id.count()))
+            .getSingle();
+    return count ?? 0;
+  }
 }

lib/data/dao/player_game_dao.dart

@@ -0,0 +1,51 @@
+import 'package:drift/drift.dart';
+import 'package:game_tracker/data/db/database.dart';
+import 'package:game_tracker/data/db/tables/player_game_table.dart';
+import 'package:game_tracker/data/dto/player.dart';
+
+part 'player_game_dao.g.dart';
+
+@DriftAccessor(tables: [PlayerGameTable])
+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;
+  }
+
+  /// Retrieves a list of [Player]s associated with the given [gameId].
+  /// Returns an empty list if no players are found.
+  Future<List<Player>> getPlayersByGameId({required String gameId}) async {
+    final result = await (select(
+      playerGameTable,
+    )..where((p) => p.gameId.equals(gameId))).get();
+
+    if (result.isEmpty) return <Player>[];
+
+    final futures = result.map(
+      (row) => db.playerDao.getPlayerById(playerId: row.playerId),
+    );
+    final players = await Future.wait(futures);
+    return players.whereType<Player>().toList();
+  }
+
+  /// 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),
+    );
+  }
+}

lib/data/dao/player_game_dao.g.dart

@@ -0,0 +1,10 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'player_game_dao.dart';
+
+// ignore_for_file: type=lint
+mixin _$PlayerGameDaoMixin on DatabaseAccessor<AppDatabase> {
+  $PlayerTableTable get playerTable => attachedDatabase.playerTable;
+  $GameTableTable get gameTable => attachedDatabase.gameTable;
+  $PlayerGameTableTable get playerGameTable => attachedDatabase.playerGameTable;
+}

lib/data/dao/player_group_dao.dart

@@ -11,34 +11,65 @@ class PlayerGroupDao extends DatabaseAccessor<AppDatabase>
   PlayerGroupDao(super.db);
 
   /// Retrieves all players belonging to a specific group by [groupId].
-  Future<List<Player>> getPlayersOfGroupById(String groupId) async {
+  Future<List<Player>> getPlayersOfGroupById({required String groupId}) async {
     final query = select(playerGroupTable)
       ..where((pG) => pG.groupId.equals(groupId));
     final result = await query.get();
 
-    List<Player> groupMembers = [];
+    List<Player> groupMembers = List.empty(growable: true);
 
     for (var entry in result) {
-      final player = await db.playerDao.getPlayerById(entry.userId);
+      final player = await db.playerDao.getPlayerById(playerId: entry.playerId);
       groupMembers.add(player);
     }
 
     return groupMembers;
   }
 
-  /// Removes a player from a group based on [userId] and [groupId].
+  /// Removes a player from a group based on [playerId] and [groupId].
   /// Returns `true` if more than 0 rows were affected, otherwise `false`.
-  Future<bool> removePlayerFromGroup(String userId, String groupId) async {
+  Future<bool> removePlayerFromGroup({
+    required String playerId,
+    required String groupId,
+  }) async {
     final query = delete(playerGroupTable)
-      ..where((p) => p.userId.equals(userId) & p.groupId.equals(groupId));
+      ..where((p) => p.playerId.equals(playerId) & p.groupId.equals(groupId));
     final rowsAffected = await query.go();
     return rowsAffected > 0;
   }
 
-  /// Adds a player to a group with the given [userId] and [groupId].
+  /// Adds a [player] to a group with the given [groupId].
-  Future<void> addPlayerToGroup(String userId, String groupId) async {
+  /// If the player is already in the group, no action is taken.
+  /// If the player does not exist in the player table, they are added.
+  /// Returns `true` if the player was added, otherwise `false`.
+  Future<bool> addPlayerToGroup({
+    required Player player,
+    required String groupId,
+  }) async {
+    if (await isPlayerInGroup(playerId: player.id, groupId: groupId)) {
+      return false;
+    }
+
+    if (await db.playerDao.playerExists(playerId: player.id) == false) {
+      db.playerDao.addPlayer(player: player);
+    }
+
     await into(playerGroupTable).insert(
-      PlayerGroupTableCompanion.insert(userId: userId, groupId: groupId),
+      PlayerGroupTableCompanion.insert(playerId: player.id, groupId: groupId),
     );
+
+    return true;
+  }
+
+  /// Checks if a player with [playerId] is in the group with [groupId].
+  /// Returns `true` if the player is in the group, otherwise `false`.
+  Future<bool> isPlayerInGroup({
+    required String playerId,
+    required String groupId,
+  }) async {
+    final query = select(playerGroupTable)
+      ..where((p) => p.playerId.equals(playerId) & p.groupId.equals(groupId));
+    final result = await query.getSingleOrNull();
+    return result != null;
   }
 }

lib/data/db/database.dart

@@ -2,10 +2,14 @@ import 'package:drift/drift.dart';
 import 'package:drift_flutter/drift_flutter.dart';
 import 'package:game_tracker/data/dao/game_dao.dart';
 import 'package:game_tracker/data/dao/group_dao.dart';
+import 'package:game_tracker/data/dao/group_game_dao.dart';
 import 'package:game_tracker/data/dao/player_dao.dart';
+import 'package:game_tracker/data/dao/player_game_dao.dart';
 import 'package:game_tracker/data/dao/player_group_dao.dart';
 import 'package:game_tracker/data/db/tables/game_table.dart';
+import 'package:game_tracker/data/db/tables/group_game_table.dart';
 import 'package:game_tracker/data/db/tables/group_table.dart';
+import 'package:game_tracker/data/db/tables/player_game_table.dart';
 import 'package:game_tracker/data/db/tables/player_group_table.dart';
 import 'package:game_tracker/data/db/tables/player_table.dart';
 import 'package:path_provider/path_provider.dart';
@@ -13,8 +17,22 @@ import 'package:path_provider/path_provider.dart';
 part 'database.g.dart';
 
 @DriftDatabase(
-  tables: [PlayerTable, GroupTable, PlayerGroupTable, GameTable],
+  tables: [
-  daos: [GroupDao, PlayerDao, PlayerGroupDao, GameDao],
+    PlayerTable,
+    GroupTable,
+    GameTable,
+    PlayerGroupTable,
+    PlayerGameTable,
+    GroupGameTable,
+  ],
+  daos: [
+    PlayerDao,
+    GroupDao,
+    GameDao,
+    PlayerGroupDao,
+    PlayerGameDao,
+    GroupGameDao,
+  ],
 )
 class AppDatabase extends _$AppDatabase {
   AppDatabase([QueryExecutor? executor]) : super(executor ?? _openConnection());

lib/data/db/tables/game_table.dart

@@ -1,8 +1,11 @@
 import 'package:drift/drift.dart';
+import 'package:game_tracker/data/db/tables/player_table.dart';
 
 class GameTable extends Table {
   TextColumn get id => text()();
   TextColumn get name => text()();
+  TextColumn get winnerId =>
+      text().references(PlayerTable, #id, onDelete: KeyAction.cascade)();
 
   @override
   Set<Column<Object>> get primaryKey => {id};

lib/data/db/tables/group_game_table.dart

@@ -0,0 +1,13 @@
+import 'package:drift/drift.dart';
+import 'package:game_tracker/data/db/tables/game_table.dart';
+import 'package:game_tracker/data/db/tables/group_table.dart';
+
+class GroupGameTable extends Table {
+  TextColumn get groupId =>
+      text().references(GroupTable, #id, onDelete: KeyAction.cascade)();
+  TextColumn get gameId =>
+      text().references(GameTable, #id, onDelete: KeyAction.cascade)();
+
+  @override
+  Set<Column<Object>> get primaryKey => {groupId, gameId};
+}

lib/data/db/tables/player_game_table.dart

@@ -0,0 +1,13 @@
+import 'package:drift/drift.dart';
+import 'package:game_tracker/data/db/tables/game_table.dart';
+import 'package:game_tracker/data/db/tables/player_table.dart';
+
+class PlayerGameTable extends Table {
+  TextColumn get playerId =>
+      text().references(PlayerTable, #id, onDelete: KeyAction.cascade)();
+  TextColumn get gameId =>
+      text().references(GameTable, #id, onDelete: KeyAction.cascade)();
+
+  @override
+  Set<Column<Object>> get primaryKey => {playerId, gameId};
+}

lib/data/db/tables/player_group_table.dart

@@ -3,9 +3,11 @@ import 'package:game_tracker/data/db/tables/group_table.dart';
 import 'package:game_tracker/data/db/tables/player_table.dart';
 
 class PlayerGroupTable extends Table {
-  TextColumn get userId => text().references(PlayerTable, #id)();
+  TextColumn get playerId =>
-  TextColumn get groupId => text().references(GroupTable, #id)();
+      text().references(PlayerTable, #id, onDelete: KeyAction.cascade)();
+  TextColumn get groupId =>
+      text().references(GroupTable, #id, onDelete: KeyAction.cascade)();
 
   @override
-  Set<Column<Object>> get primaryKey => {userId, groupId};
+  Set<Column<Object>> get primaryKey => {playerId, groupId};
 }

lib/data/dto/game.dart

@@ -1,6 +1,23 @@
+import 'package:game_tracker/data/dto/group.dart';
+import 'package:game_tracker/data/dto/player.dart';
+
 class Game {
   final String id;
   final String name;
+  final List<Player>? players;
+  final Group? group;
+  final String winner;
 
-  Game({required this.id, required this.name});
+  Game({
+    this.players,
+    this.group,
+    this.winner = '',
+    required this.id,
+    required this.name,
+  });
+
+  @override
+  String toString() {
+    return 'Game{\n\tid: $id,\n\tname: $name,\n\tplayers: $players,\n\tgroup: $group,\n\twinner: $winner\n}';
+  }
 }

lib/data/dto/group.dart

@@ -6,4 +6,9 @@ class Group {
   final List<Player> members;
 
   Group({required this.id, required this.name, required this.members});
+
+  @override
+  String toString() {
+    return 'Group{id: $id, name: $name,members: $members}';
+  }
 }

lib/data/dto/player.dart

@@ -3,4 +3,9 @@ class Player {
   final String name;
 
   Player({required this.id, required this.name});
+
+  @override
+  String toString() {
+    return 'Player{id: $id,name: $name}';
+  }
 }

lib/main.dart

@@ -8,14 +8,14 @@ void main() {
   runApp(
     Provider<AppDatabase>(
       create: (context) => AppDatabase(),
-      child: const MyApp(),
+      child: const GameTracker(),
       dispose: (context, db) => db.close(),
     ),
   );
 }
 
-class MyApp extends StatelessWidget {
+class GameTracker extends StatelessWidget {
-  const MyApp({super.key});
+  const GameTracker({super.key});
 
   @override
   Widget build(BuildContext context) {

test/db_tests/game_test.dart

@@ -0,0 +1,109 @@
+import 'package:drift/drift.dart';
+import 'package:drift/native.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:game_tracker/data/db/database.dart';
+import 'package:game_tracker/data/dto/game.dart';
+import 'package:game_tracker/data/dto/group.dart';
+import 'package:game_tracker/data/dto/player.dart';
+
+void main() {
+  late AppDatabase database;
+  late Player player1;
+  late Player player2;
+  late Player player3;
+  late Player player4;
+  late Group testgroup;
+  late Game testgame;
+
+  setUp(() {
+    database = AppDatabase(
+      DatabaseConnection(
+        NativeDatabase.memory(),
+        // Recommended for widget tests to avoid test errors.
+        closeStreamsSynchronously: true,
+      ),
+    );
+
+    player1 = Player(id: 'p1', name: 'Alice');
+    player2 = Player(id: 'p2', name: 'Bob');
+    player3 = Player(id: 'p3', name: 'Charlie');
+    player4 = Player(id: 'p4', name: 'Diana');
+    testgroup = Group(
+      id: 'gr1',
+      name: 'Test Group',
+      members: [player1, player2, player3],
+    );
+    testgame = Game(
+      id: 'ga1',
+      name: 'Test Game',
+      group: testgroup,
+      players: [player4],
+    );
+  });
+  tearDown(() async {
+    await database.close();
+  });
+
+  group('game tests', () {
+    test('game is added correctly', () async {
+      await database.gameDao.addGame(game: testgame);
+
+      final result = await database.gameDao.getGameById(gameId: testgame.id);
+
+      expect(result.id, testgame.id);
+      expect(result.name, testgame.name);
+      expect(result.winner, testgame.winner);
+
+      if (result.group != null) {
+        expect(result.group!.members.length, testgroup.members.length);
+
+        for (int i = 0; i < testgroup.members.length; i++) {
+          expect(result.group!.members[i].id, testgroup.members[i].id);
+          expect(result.group!.members[i].name, testgroup.members[i].name);
+        }
+      } else {
+        fail('Group is null');
+      }
+      if (result.players != null) {
+        expect(result.players!.length, testgame.players!.length);
+
+        for (int i = 0; i < testgame.players!.length; i++) {
+          expect(result.players![i].id, testgame.players![i].id);
+          expect(result.players![i].name, testgame.players![i].name);
+        }
+      } else {
+        fail('Players is null');
+      }
+    });
+
+    test('game is deleted correctly', () async {
+      await database.gameDao.addGame(game: testgame);
+
+      final gameDeleted = await database.gameDao.deleteGame(
+        gameId: testgame.id,
+      );
+      expect(gameDeleted, true);
+
+      final gameExists = await database.gameDao.gameExists(gameId: testgame.id);
+      expect(gameExists, false);
+    });
+
+    test('get game count works correctly', () async {
+      final initialCount = await database.gameDao.getGameCount();
+      expect(initialCount, 0);
+
+      await database.gameDao.addGame(game: testgame);
+
+      final gameAdded = await database.gameDao.getGameCount();
+      expect(gameAdded, 1);
+
+      final gameRemoved = await database.gameDao.deleteGame(
+        gameId: testgame.id,
+      );
+      expect(gameRemoved, true);
+
+      final finalCount = await database.gameDao.getGameCount();
+      expect(finalCount, 0);
+    });
+  });
+}

test/db_tests/group_test.dart

@@ -0,0 +1,148 @@
+import 'package:drift/drift.dart';
+import 'package:drift/native.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:game_tracker/data/db/database.dart';
+import 'package:game_tracker/data/dto/group.dart';
+import 'package:game_tracker/data/dto/player.dart';
+
+void main() {
+  late AppDatabase database;
+  late Player player1;
+  late Player player2;
+  late Player player3;
+  late Player player4;
+  late Group testgroup;
+
+  setUp(() {
+    database = AppDatabase(
+      DatabaseConnection(
+        NativeDatabase.memory(),
+        // Recommended for widget tests to avoid test errors.
+        closeStreamsSynchronously: true,
+      ),
+    );
+
+    player1 = Player(id: 'p1', name: 'Alice');
+    player2 = Player(id: 'p2', name: 'Bob');
+    player3 = Player(id: 'p3', name: 'Charlie');
+    player4 = Player(id: 'p4', name: 'Diana');
+    testgroup = Group(
+      id: 'gr1',
+      name: 'Test Group',
+      members: [player1, player2, player3],
+    );
+  });
+  tearDown(() async {
+    await database.close();
+  });
+
+  test('group and group members gets added correctly', () async {
+    await database.groupDao.addGroup(group: testgroup);
+
+    final result = await database.groupDao.getGroupById(groupId: testgroup.id);
+
+    expect(result.id, testgroup.id);
+    expect(result.name, testgroup.name);
+
+    expect(result.members.length, testgroup.members.length);
+    for (int i = 0; i < testgroup.members.length; i++) {
+      expect(result.members[i].id, testgroup.members[i].id);
+      expect(result.members[i].name, testgroup.members[i].name);
+    }
+  });
+
+  test('group gets deleted correctly', () async {
+    await database.groupDao.addGroup(group: testgroup);
+
+    final groupDeleted = await database.groupDao.deleteGroup(
+      groupId: testgroup.id,
+    );
+    expect(groupDeleted, true);
+
+    final groupExists = await database.groupDao.groupExists(
+      groupId: testgroup.id,
+    );
+    expect(groupExists, false);
+  });
+
+  test('group name gets updated correcly ', () async {
+    await database.groupDao.addGroup(group: testgroup);
+
+    const newGroupName = 'new group name';
+
+    await database.groupDao.updateGroupname(
+      groupId: testgroup.id,
+      newName: newGroupName,
+    );
+
+    final result = await database.groupDao.getGroupById(groupId: testgroup.id);
+    expect(result.name, newGroupName);
+  });
+
+  test('Adding player to group works correctly', () async {
+    await database.groupDao.addGroup(group: testgroup);
+
+    await database.playerGroupDao.addPlayerToGroup(
+      player: player4,
+      groupId: testgroup.id,
+    );
+
+    final playerAdded = await database.playerGroupDao.isPlayerInGroup(
+      playerId: player4.id,
+      groupId: testgroup.id,
+    );
+
+    expect(playerAdded, true);
+
+    final playerAdded2 = await database.playerGroupDao.isPlayerInGroup(
+      playerId: 'a',
+      groupId: testgroup.id,
+    );
+
+    expect(playerAdded2, false);
+
+    expect(playerAdded, true);
+
+    final result = await database.groupDao.getGroupById(groupId: testgroup.id);
+    expect(result.members.length, testgroup.members.length + 1);
+
+    final addedPlayer = result.members.firstWhere((p) => p.id == player4.id);
+    expect(addedPlayer.name, player4.name);
+  });
+
+  test('Removing player from group works correctly', () async {
+    await database.groupDao.addGroup(group: testgroup);
+
+    final playerToRemove = testgroup.members[0];
+
+    final removed = await database.playerGroupDao.removePlayerFromGroup(
+      playerId: playerToRemove.id,
+      groupId: testgroup.id,
+    );
+    expect(removed, true);
+
+    final result = await database.groupDao.getGroupById(groupId: testgroup.id);
+    expect(result.members.length, testgroup.members.length - 1);
+
+    final playerExists = result.members.any((p) => p.id == playerToRemove.id);
+    expect(playerExists, false);
+  });
+
+  test('get group count works correctly', () async {
+    final initialCount = await database.groupDao.getGroupCount();
+    expect(initialCount, 0);
+
+    await database.groupDao.addGroup(group: testgroup);
+
+    final groupAdded = await database.groupDao.getGroupCount();
+    expect(groupAdded, 1);
+
+    final groupRemoved = await database.groupDao.deleteGroup(
+      groupId: testgroup.id,
+    );
+    expect(groupRemoved, true);
+
+    final finalCount = await database.groupDao.getGroupCount();
+    expect(finalCount, 0);
+  });
+}

test/db_tests/player_test.dart

@@ -0,0 +1,84 @@
+import 'package:drift/drift.dart';
+import 'package:drift/native.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:game_tracker/data/db/database.dart';
+import 'package:game_tracker/data/dto/player.dart';
+
+void main() {
+  late AppDatabase database;
+  late Player testPlayer;
+
+  setUp(() {
+    database = AppDatabase(
+      DatabaseConnection(
+        NativeDatabase.memory(),
+        // Recommended for widget tests to avoid test errors.
+        closeStreamsSynchronously: true,
+      ),
+    );
+
+    testPlayer = Player(id: 'test_id', name: 'Test Player');
+  });
+  tearDown(() async {
+    await database.close();
+  });
+
+  group('player tests', () {
+    test('players get inserted correcly ', () async {
+      await database.playerDao.addPlayer(player: testPlayer);
+      final result = await database.playerDao.getPlayerById(
+        playerId: testPlayer.id,
+      );
+
+      expect(result.id, testPlayer.id);
+      expect(result.name, testPlayer.name);
+    });
+
+    test('players get deleted correcly ', () async {
+      await database.playerDao.addPlayer(player: testPlayer);
+      final playerDeleted = await database.playerDao.deletePlayer(
+        playerId: testPlayer.id,
+      );
+      expect(playerDeleted, true);
+
+      final playerExists = await database.playerDao.playerExists(
+        playerId: testPlayer.id,
+      );
+      expect(playerExists, false);
+    });
+
+    test('player name gets updated correcly ', () async {
+      await database.playerDao.addPlayer(player: testPlayer);
+
+      const newPlayerName = 'new player name';
+
+      await database.playerDao.updatePlayername(
+        playerId: testPlayer.id,
+        newName: newPlayerName,
+      );
+
+      final result = await database.playerDao.getPlayerById(
+        playerId: testPlayer.id,
+      );
+      expect(result.name, newPlayerName);
+    });
+
+    test('get player count works correctly', () async {
+      final initialCount = await database.playerDao.getPlayerCount();
+      expect(initialCount, 0);
+
+      await database.playerDao.addPlayer(player: testPlayer);
+
+      final playerAdded = await database.playerDao.getPlayerCount();
+      expect(playerAdded, 1);
+
+      final playerRemoved = await database.playerDao.deletePlayer(
+        playerId: testPlayer.id,
+      );
+      expect(playerRemoved, true);
+
+      final finalCount = await database.playerDao.getPlayerCount();
+      expect(finalCount, 0);
+    });
+  });
+}

test/widget_test.dart

@@ -1,30 +0,0 @@
-// This is a basic Flutter widget test.
-//
-// To perform an interaction with a widget in your test, use the WidgetTester
-// utility in the flutter_test package. For example, you can send tap and scroll
-// gestures. You can also use WidgetTester to find child widgets in the widget
-// tree, read text, and verify that the values of widget properties are correct.
-
-import 'package:flutter/material.dart';
-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:game_tracker/main.dart';
-
-void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
-    // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
-
-    // Verify that our counter starts at 0.
-    expect(find.text('0'), findsOneWidget);
-    expect(find.text('1'), findsNothing);
-
-    // Tap the '+' icon and trigger a frame.
-    await tester.tap(find.byIcon(Icons.add));
-    await tester.pump();
-
-    // Verify that our counter has incremented.
-    expect(find.text('0'), findsNothing);
-    expect(find.text('1'), findsOneWidget);
-  });
-}