wip: starting implementing firebase messaging implementation

packages/wyatt_cloud_messaging_bloc_firebase/lib/src/cloud_messaging_bloc_firebase.dart

@@ -0,0 +1,19 @@
+// Copyright (C) 2023 WYATT GROUP
+// Please see the AUTHORS file for details.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+abstract class CloudMessagingBlocFirebase {
+  static String get testString => 'Package: Cloud Messaging Bloc Firebase';
+}

packages/wyatt_cloud_messaging_bloc_firebase/lib/src/data/data_sources/cloud_messaging_firebase_data_source.dart

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+import 'dart:async';
+import 'dart:convert';
+
+import 'package:firebase_messaging/firebase_messaging.dart'
+    hide RemoteNotification;
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:wyatt_cloud_messaging_bloc_base/wyatt_cloud_messaging_bloc.dart';
+
+class CloudMessagingFirebaseDataSource extends CloudMessagingRemoteDataSource {
+  final FirebaseMessaging _firebaseMessagingInstance =
+      FirebaseMessaging.instance;
+  final FlutterLocalNotificationsPlugin _localNotificationInstance =
+      FlutterLocalNotificationsPlugin();
+
+  @override
+  Future<Stream<RemoteNotification>> onNotification() {
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<Stream<RemoteNotification>> onNotificationBackground() {
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<Stream<RemoteNotification>> onNotificationForeground() async {
+    await _firebaseMessagingInstance
+        .setForegroundNotificationPresentationOptions(
+      alert: true,
+      badge: true,
+      sound: true,
+    );
+
+    const AndroidNotificationChannel channel = AndroidNotificationChannel(
+      'high_importance_channel',
+      'High Importance Notifications',
+      description: 'This channel is used for important notifications.',
+      importance: Importance.max,
+    );
+
+    const initializationSettingsAndroid = AndroidInitializationSettings(
+      '@drawable/ic_stat_onesignal_default',
+    );
+
+    const initializationSettings = InitializationSettings(
+      android: initializationSettingsAndroid,
+      iOS: DarwinInitializationSettings(),
+    );
+
+    final StreamController<RemoteNotification> foregroundStream =
+        StreamController<RemoteNotification>();
+
+    await _localNotificationInstance.initialize(
+      initializationSettings,
+      onDidReceiveNotificationResponse: (message) {
+        foregroundStream.add(
+          RemoteNotification(
+            data:
+                jsonDecode(message.payload.toString()) as Map<String, dynamic>,
+          ),
+        );
+      },
+    );
+
+    await _localNotificationInstance
+        .resolvePlatformSpecificImplementation<
+            AndroidFlutterLocalNotificationsPlugin>()
+        ?.createNotificationChannel(channel);
+
+    FirebaseMessaging.onMessage.listen(
+      (message) {
+        final notification = RemoteNotification(
+          title: message.notification?.title,
+          body: message.notification?.body,
+        );
+
+        final android = message.notification?.android;
+
+        if (message.notification != null && android != null) {
+          _localNotificationInstance.show(
+            notification.hashCode,
+            notification.title,
+            notification.body,
+            NotificationDetails(
+              android: AndroidNotificationDetails(
+                channel.id,
+                channel.name,
+                channelDescription: channel.description,
+                icon: android.smallIcon,
+              ),
+            ),
+            payload: message.data['path'].toString(),
+          );
+        }
+      },
+    );
+
+    return foregroundStream.stream;
+  }
+
+  @override
+  Future<String?> getToken() => _firebaseMessagingInstance.getToken();
+
+  @override
+  Future<void> requestPermissions() =>
+      _firebaseMessagingInstance.requestPermission();
+
+  @override
+  Future<void> subscribeToTopic(String topic) =>
+      _firebaseMessagingInstance.subscribeToTopic(topic);
+
+  @override
+  Future<void> unsubscribeFromTopic(String topic) =>
+      _firebaseMessagingInstance.unsubscribeFromTopic(topic);
+}

packages/wyatt_cloud_messaging_bloc_firebase/lib/wyatt_cloud_messaging_bloc_firebase.dart

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+// Copyright (C) 2023 WYATT GROUP
+// Please see the AUTHORS file for details.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+/// A
+library wyatt_cloud_messaging_bloc_firebase;
+
+export 'src/cloud_messaging_bloc_firebase.dart';