Feat: Fügt Benachrichtigungen für nicht überprüfte Transaktionen hinzu

lib/Tasks/BackgroundHandler/background_init.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/services.dart';
 import 'package:logger/logger.dart';
 
-import '../Controller/port_controller.dart';
+import '../../Controller/port_controller.dart';
 
 /// Initialisiert benötigte Services in Background-Isolates
 Future<void> initBackground() async {

lib/Tasks/BackgroundHandler/workers.dart

@@ -2,8 +2,9 @@ import 'dart:async';
 
 import 'package:isolate_manager/isolate_manager.dart';
 
+import '../generate_transactions_task.dart';
+import '../show_notifications_task.dart';
 import 'background_init_web.dart' if (dart.library.io) 'background_init.dart';
-import 'generate_transactions_task.dart';
 
 @pragma('vm:entry-point')
 @isolateManagerWorker
@@ -32,6 +33,8 @@ Future<bool> executeTask(
   switch (taskName) {
     case 'generate_transactions':
       return GenerateTransactionsTask().execute();
+    case 'show_notifications':
+      return ShowNotificationsTask().execute();
   }
 
   return Future.value(true);

lib/Tasks/show_notifications_task.dart

@@ -0,0 +1,28 @@
+import 'package:logger/logger.dart';
+
+import '../Controller/local_notifications.dart';
+import '../Entities/drift_database.dart';
+import '../Repositories/transaction_repository.dart';
+import 'task.dart';
+
+/// Zeigt Benachrichtigungen für nicht überprüfte Transaktionen an.
+class ShowNotificationsTask extends Task {
+  final TransactionRepository _transactionRepository = TransactionRepository();
+
+  @override
+  Future<bool> execute() async {
+    final List<Transaction> transactions = await _transactionRepository.findBy(
+      checked: false,
+      dateTo: DateTime.now(),
+    );
+
+    if (transactions.isNotEmpty) {
+      Logger().i('Showing notification for unchecked transactions...');
+      await LocalNotifications().showTransactionsToCheckNotification(
+        transactions,
+      );
+    }
+
+    return Future.value(true);
+  }
+}