TF-1217 Create local notification manager

lib/features/push_notification/presentation/notification/local_notification_config.dart

@@ -0,0 +1,38 @@
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+
+class LocalNotificationConfig {
+  static const channelId = 'team_mail_channel_id';
+  static const channelKey = 'team_mail_channel_key';
+  static const channelName = 'Team Mail notifications';
+  static const channelDescription = 'Team Mail notifications';
+
+  static const iosInitializationSettings = DarwinInitializationSettings();
+
+  static const androidInitializationSettings = AndroidInitializationSettings('background');
+
+  static const androidNotificationChannel = AndroidNotificationChannel(
+    channelId,
+    channelName,
+    description: channelDescription,
+    importance: Importance.max,
+    enableLights: true,
+  );
+
+  static const pushNotificationDetails = NotificationDetails(
+    android: AndroidNotificationDetails(
+      channelId,
+      channelName,
+      channelDescription: channelDescription,
+      visibility: NotificationVisibility.public,
+      importance: Importance.max,
+      ledOnMs: 100,
+      ledOffMs: 1000,
+      category: AndroidNotificationCategory.message,
+    ),
+    iOS: DarwinNotificationDetails(
+      presentSound: true,
+      presentAlert: true,
+      presentBadge: true,
+    ),
+  );
+}

lib/features/push_notification/presentation/notification/local_notification_manager.dart

@@ -0,0 +1,101 @@
+
+import 'dart:io';
+
+import 'package:core/utils/app_logger.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:tmail_ui_user/features/push_notification/presentation/notification/local_notification_config.dart';
+
+@pragma('vm:entry-point')
+void _handleReceiveBackgroundNotificationResponse(NotificationResponse notificationResponse) {
+  log('LocalNotificationManager::_handleReceiveBackgroundNotificationResponse():notificationResponse: $notificationResponse');
+}
+
+class LocalNotificationManager {
+
+  LocalNotificationManager._internal();
+
+  static final LocalNotificationManager _instance = LocalNotificationManager._internal();
+
+  static LocalNotificationManager get instance => _instance;
+
+  final _localNotificationsPlugin = FlutterLocalNotificationsPlugin();
+  bool notificationsEnabled = false;
+
+  Future<void> setUp() async {
+    try {
+      await _initLocalNotification();
+      _checkLocalNotificationPermission();
+      if (Platform.isAndroid) {
+        await _createAndroidNotificationChannels();
+      }
+    } catch (e) {
+      logError('LocalNotificationManager::setUp(): ERROR: ${e.toString()}');
+    }
+  }
+
+  Future<bool?> _initLocalNotification() async {
+    return await _localNotificationsPlugin.initialize(
+      const InitializationSettings(
+        android: LocalNotificationConfig.androidInitializationSettings,
+        iOS: LocalNotificationConfig.iosInitializationSettings
+      ),
+      onDidReceiveNotificationResponse: _handleReceiveNotificationResponse,
+      onDidReceiveBackgroundNotificationResponse: _handleReceiveBackgroundNotificationResponse
+    );
+  }
+
+  void _handleReceiveNotificationResponse(NotificationResponse response) {
+    log('LocalNotificationManager::handleReceiveNotificationResponse(): $response');
+  }
+
+  void _checkLocalNotificationPermission() async {
+    if (notificationsEnabled) {
+      return;
+    }
+
+    if (Platform.isAndroid) {
+      final granted = await _isAndroidPermissionGranted();
+      if (!granted) {
+        notificationsEnabled = await _requestPermissions();
+      }
+    } else {
+      notificationsEnabled = await _requestPermissions();
+    }
+  }
+
+  Future<bool> _isAndroidPermissionGranted() async {
+    return await _localNotificationsPlugin
+      .resolvePlatformSpecificImplementation<AndroidFlutterLocalNotificationsPlugin>()
+      ?.areNotificationsEnabled() ?? false;
+  }
+
+  Future<bool> _requestPermissions() async {
+    if (Platform.isAndroid) {
+      return await _localNotificationsPlugin
+        .resolvePlatformSpecificImplementation<AndroidFlutterLocalNotificationsPlugin>()
+        ?.requestPermission() ?? false;
+    } else {
+      return await _localNotificationsPlugin
+        .resolvePlatformSpecificImplementation<IOSFlutterLocalNotificationsPlugin>()
+        ?.requestPermissions(alert: true, badge: true, sound: true) ?? false;
+    }
+  }
+
+  Future<void> _createAndroidNotificationChannels() async {
+    return await _localNotificationsPlugin
+      .resolvePlatformSpecificImplementation<AndroidFlutterLocalNotificationsPlugin>()
+      ?.createNotificationChannel(LocalNotificationConfig.androidNotificationChannel);
+  }
+
+  void showPushNotification({String? title, String? message, String? payload}) async {
+    final generateNotificationId = DateTime.now().millisecondsSinceEpoch.remainder(100000);
+
+    await _localNotificationsPlugin.show(
+      generateNotificationId,
+      title ?? LocalNotificationConfig.channelName,
+      message ?? LocalNotificationConfig.channelDescription,
+      LocalNotificationConfig.pushNotificationDetails,
+      payload: payload
+    );
+  }
+}

pubspec.lock

@@ -623,6 +623,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.4"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "12.0.3"
+  flutter_local_notifications_linux:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.0"
   flutter_localizations:
     dependency: "direct main"
     description: flutter
@@ -1386,6 +1407,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.2.2"
+  timezone:
+    dependency: transitive
+    description:
+      name: timezone
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.0"
   timing:
     dependency: transitive
     description:

pubspec.yaml

@@ -198,6 +198,7 @@ dependencies:
   url_launcher: 6.1.5
   firebase_core: 2.2.0
   firebase_messaging: 14.0.4
+  flutter_local_notifications: 12.0.3
 
 dev_dependencies:
   flutter_test: