Merge pull request #9 from LiquidDevelopmentDE/feature/2-setup-der-datenbank

Datenbank implementierung

lib/data/database.dart

@@ -0,0 +1,46 @@
+import 'package:drift/drift.dart';
+import 'package:drift_flutter/drift_flutter.dart';
+import 'package:path_provider/path_provider.dart';
+
+part 'database.g.dart';
+
+class User extends Table {
+  TextColumn get id => text()();
+  TextColumn get name => text()();
+
+  @override
+  Set<Column<Object>> get primaryKey => {id};
+}
+
+class Group extends Table {
+  TextColumn get id => text()();
+  TextColumn get name => text()();
+
+  @override
+  Set<Column<Object>> get primaryKey => {id};
+}
+
+class UserGroup extends Table {
+  TextColumn get userId => text().references(User, #id)();
+  TextColumn get groupId => text().references(Group, #id)();
+
+  @override
+  Set<Column<Object>> get primaryKey => {userId, groupId};
+}
+
+@DriftDatabase(tables: [User, Group, UserGroup])
+class AppDatabase extends _$AppDatabase {
+  AppDatabase([QueryExecutor? executor]) : super(executor ?? _openConnection());
+
+  @override
+  int get schemaVersion => 1;
+
+  static QueryExecutor _openConnection() {
+    return driftDatabase(
+      name: 'gametracker_db',
+      native: const DriftNativeOptions(
+        databaseDirectory: getApplicationSupportDirectory,
+      ),
+    );
+  }
+}

lib/data/methods/group.dart

@@ -0,0 +1,28 @@
+import 'package:game_tracker/data/database.dart';
+import 'package:drift/drift.dart';
+
+extension GroupMethods on AppDatabase {
+  Future<List<GroupData>> getAllGroups() async {
+    return await select(group).get();
+  }
+
+  Future<GroupData> getGroupById(String id) async {
+    return await (select(group)..where((g) => g.id.equals(id))).getSingle();
+  }
+
+  Future<void> addGroup(String id, String name) async {
+    await into(group).insert(
+      GroupCompanion.insert(id: id, name: name),
+    );
+  }
+
+  Future<void> deleteGroup(String id) async {
+    await (delete(group)..where((g) => g.id.equals(id))).go();
+  }
+
+  Future<void> updateGroupname(String id, String newName) async {
+    await (update(group)..where((g) => g.id.equals(id))).write(
+      GroupCompanion(name: Value(newName)),
+    );
+  }
+}

lib/data/methods/user.dart

@@ -0,0 +1,28 @@
+import 'package:game_tracker/data/database.dart';
+import 'package:drift/drift.dart';
+
+extension UserMethods on AppDatabase {
+  Future<List<UserData>> getAllUsers() async {
+    return await select(user).get();
+  }
+
+  Future<UserData> getUserById(String id) async {
+    return await (select(user)..where((u) => u.id.equals(id))).getSingle();
+  }
+
+  Future<void> addUser(String id, String name) async {
+    await into(user).insert(
+      UserCompanion.insert(id: id, name: name),
+    );
+  }
+
+  Future<void> deleteUser(String id) async {
+    await (delete(user)..where((u) => u.id.equals(id))).go();
+  }
+
+  Future<void> updateUsername(String id, String newName) async {
+    await (update(user)..where((u) => u.id.equals(id))).write(
+      UserCompanion(name: Value(newName)),
+    );
+  }
+}

lib/data/methods/user_group.dart

@@ -0,0 +1,26 @@
+import 'package:game_tracker/data/database.dart';
+import 'package:drift/drift.dart';
+
+extension UserGroupMethods on AppDatabase {
+  Future<List<UserGroupData>> getAllUsersAndGroups() async {
+    return await select(userGroup).get();
+  }
+
+  Future<List<UserGroupData>> getUsersGroups(String userId) async {
+    return await (select(userGroup)..where((uG) => uG.userId.equals(userId))).get();
+  }
+
+  Future<List<UserGroupData>> getGroupsUsers(String groupId) async {
+    return await (select(userGroup)..where((uG) => uG.groupId.equals(groupId))).get();
+  }
+
+  Future<void> addUserToGroup(String userId, String groupId) async {
+    await into(userGroup).insert(
+      UserGroupCompanion.insert(userId: userId, groupId: groupId),
+    );
+  }
+
+  Future<void> removeUserFromGroup(String userId, String groupId) async {
+    await (delete(userGroup)..where((uG) => uG.userId.equals(userId) & uG.groupId.equals(groupId))).go();
+  }
+}

lib/main.dart

@@ -1,8 +1,16 @@
 import 'package:flutter/material.dart';
+import 'package:game_tracker/data/database.dart';
 import 'package:game_tracker/presentation/views/home_view.dart';
+import 'package:provider/provider.dart';
 
 void main() {
-  runApp(const MyApp());
+  runApp(
+    Provider<AppDatabase>(
+      create: (context) => AppDatabase(),
+      child: const MyApp(),
+      dispose: (context, db) => db.close(),
+   ),
+  );
 }
 
 class MyApp extends StatelessWidget {

pubspec.yaml

@@ -34,6 +34,10 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
+  drift: ^2.27.0
+  drift_flutter: ^0.2.4
+  path_provider: ^2.1.5
+  provider: ^6.1.5
 
 dev_dependencies:
   flutter_test:
@@ -45,6 +49,8 @@ dev_dependencies:
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
   flutter_lints: ^5.0.0
+  drift_dev: ^2.27.0
+  build_runner: ^2.5.4
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec