TF-2877 Create notification data source & repo

android/app/src/main/kotlin/com/linagora/android/tmail/MainActivity.kt

@@ -1,11 +1,17 @@
 package com.linagora.android.tmail
 
+import android.app.NotificationManager
+import android.content.Context
 import android.os.Bundle
 import android.os.PersistableBundle
 import io.flutter.embedding.android.FlutterFragmentActivity
 import io.flutter.embedding.engine.FlutterEngine
 import io.flutter.plugins.GeneratedPluginRegistrant
 import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
+import android.os.Build
+import android.text.TextUtils
+import androidx.core.app.NotificationManagerCompat
+import io.flutter.plugin.common.MethodChannel
 
 class MainActivity: FlutterFragmentActivity() {
 
@@ -20,5 +26,7 @@ class MainActivity: FlutterFragmentActivity() {
 
     override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
         GeneratedPluginRegistrant.registerWith(flutterEngine)
+
+        NotificationGroup().register(flutterEngine, applicationContext)
     }
 }

android/app/src/main/kotlin/com/linagora/android/tmail/NotificationGroup.kt

@@ -0,0 +1,48 @@
+package com.linagora.android.tmail
+
+import android.app.NotificationManager
+import android.content.Context
+import android.os.Build
+import android.text.TextUtils
+import androidx.core.app.NotificationManagerCompat
+import io.flutter.embedding.android.FlutterFragmentActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.MethodChannel
+
+class NotificationGroup {
+    private val channel = "com.linagora.android.teammail.notification.group.permission"
+
+    fun register(flutterEngine: FlutterEngine, applicationContext: Context) {
+        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, channel).setMethodCallHandler { call, result ->
+            try {
+                if (call.method == "getNotificationGroupPermission") {
+                    val groupId = call.arguments
+                    if (groupId is String) {
+                        val isEnabled = getNotificationChannelGroupStatus(applicationContext, groupId)
+                        result.success(isEnabled)
+                    } else {
+                        result.error("Unavailable", "No such group", "")
+                    }
+                } else {
+                    result.notImplemented()
+                }
+            } catch (exception: Throwable) {
+                result.error("UnknownError", exception.message, "")
+            }
+        }
+    }
+
+    private fun getNotificationChannelGroupStatus(context: Context, groupId: String?): Boolean {
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+            if (!TextUtils.isEmpty(groupId)) {
+                val manager = context.getSystemService(FlutterFragmentActivity.NOTIFICATION_SERVICE) as NotificationManager
+                val group = manager.getNotificationChannelGroup(groupId)
+                return !group.isBlocked
+            }
+
+            return false
+        } else {
+            NotificationManagerCompat.from(context).areNotificationsEnabled()
+        }
+    }
+}

ios/Podfile

@@ -71,7 +71,7 @@ post_install do |installer|
           'PERMISSION_LOCATION=0',
 
           ## dart: PermissionGroup.notification
-          'PERMISSION_NOTIFICATIONS=0',
+          'PERMISSION_NOTIFICATIONS=1',
 
           ## dart: PermissionGroup.mediaLibrary
           'PERMISSION_MEDIA_LIBRARY=0',

ios/Podfile.lock

@@ -1,4 +1,6 @@
 PODS:
+  - app_settings (5.1.1):
+    - Flutter
   - AppAuth (1.7.4):
     - AppAuth/Core (= 1.7.4)
     - AppAuth/ExternalUserAgent (= 1.7.4)
@@ -185,6 +187,7 @@ PODS:
     - Flutter
 
 DEPENDENCIES:
+  - app_settings (from `.symlinks/plugins/app_settings/ios`)
   - better_open_file (from `.symlinks/plugins/better_open_file/ios`)
   - connectivity_plus (from `.symlinks/plugins/connectivity_plus/ios`)
   - contacts_service (from `.symlinks/plugins/contacts_service/ios`)
@@ -237,6 +240,8 @@ SPEC REPOS:
     - SwiftyGif
 
 EXTERNAL SOURCES:
+  app_settings:
+    :path: ".symlinks/plugins/app_settings/ios"
   better_open_file:
     :path: ".symlinks/plugins/better_open_file/ios"
   connectivity_plus:
@@ -295,6 +300,7 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/workmanager/ios"
 
 SPEC CHECKSUMS:
+  app_settings: 017320c6a680cdc94c799949d95b84cb69389ebc
   AppAuth: 182c5b88630569df5acb672720534756c29b3358
   better_open_file: 03cf320415d4d3f46b6e00adc4a567d76c1a399d
   connectivity_plus: 413a8857dd5d9f1c399a39130850d02fe0feaf7e
@@ -343,6 +349,6 @@ SPEC CHECKSUMS:
   url_launcher_ios: 68d46cc9766d0c41dbdc884310529557e3cd7a86
   workmanager: 0afdcf5628bbde6924c21af7836fed07b42e30e6
 
-PODFILE CHECKSUM: 91d9116a6c482e0d0b230a68097981fae7e4d07a
+PODFILE CHECKSUM: ded4724b53568389542fa0f7d7a64c05ffc03971
 
 COCOAPODS: 1.14.3

lib/features/manage_account/data/datasource/notification_datasource.dart

@@ -0,0 +1,7 @@
+import 'package:jmap_dart_client/jmap/core/user_name.dart';
+
+abstract class NotificationDataSource {
+  Future<bool> getNotificationSetting(UserName userName);
+
+  Future<void> toggleNotificationSetting();
+}

lib/features/manage_account/data/datasource_impl/notification_datasource_impl.dart

@@ -0,0 +1,42 @@
+import 'package:app_settings/app_settings.dart';
+import 'package:core/utils/platform_info.dart';
+import 'package:jmap_dart_client/jmap/core/user_name.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:tmail_ui_user/features/manage_account/data/datasource/notification_datasource.dart';
+import 'package:tmail_ui_user/main/exceptions/exception_thrower.dart';
+import 'package:tmail_ui_user/main/permissions/notification_permission_service.dart';
+
+class NotificationDataSourceImpl implements NotificationDataSource {
+  final NotificationPermissionService _permissionService;
+  final ExceptionThrower _exceptionThrower;
+
+  NotificationDataSourceImpl(
+    this._permissionService,
+    this._exceptionThrower);
+
+  @override
+  Future<bool> getNotificationSetting(UserName userName) {
+    return Future.sync(() async {
+      if (PlatformInfo.isIOS) {
+        return await _checkIosNotificationPermissionEnabled();
+      } else {
+        return await _checkAndroidNotificationPermissionEnabled(userName);
+      }
+    }).catchError(_exceptionThrower.throwException);
+  }
+  
+  @override
+  Future<void> toggleNotificationSetting() async {
+    return Future.sync(() async {
+      return await AppSettings.openAppSettings(type: AppSettingsType.notification);
+    }).catchError(_exceptionThrower.throwException);
+  }
+
+  Future<bool> _checkIosNotificationPermissionEnabled() {
+    return _permissionService.isGranted(Permission.notification);
+  }
+
+  Future<bool> _checkAndroidNotificationPermissionEnabled(UserName userName) {
+    return _permissionService.checkNotificationPermissionEnabled(userName.value);
+  }
+}

lib/features/manage_account/data/repository/notification_repository_impl.dart

@@ -0,0 +1,19 @@
+import 'package:jmap_dart_client/jmap/core/user_name.dart';
+import 'package:tmail_ui_user/features/manage_account/data/datasource/notification_datasource.dart';
+import 'package:tmail_ui_user/features/manage_account/domain/repository/notification_repository.dart';
+
+class NotificationRepositoryImpl implements NotificationRepository {
+  final NotificationDataSource _notificationDataSource;
+
+  NotificationRepositoryImpl(this._notificationDataSource);
+  
+  @override
+  Future<bool> getNotificationSetting(UserName userName) {
+    return _notificationDataSource.getNotificationSetting(userName);
+  }
+  
+  @override
+  Future<void> toggleNotificationSetting() {
+    return _notificationDataSource.toggleNotificationSetting();
+  }
+}

lib/features/manage_account/domain/repository/notification_repository.dart

@@ -0,0 +1,7 @@
+import 'package:jmap_dart_client/jmap/core/user_name.dart';
+
+abstract class NotificationRepository {
+  Future<bool> getNotificationSetting(UserName userName);
+
+  Future<void> toggleNotificationSetting();
+}

lib/main/permissions/notification_permission_service.dart

@@ -0,0 +1,28 @@
+import 'package:permission_handler/permission_handler.dart';
+import 'package:tmail_ui_user/features/base/isolate/background_isolate_binary_messenger/background_isolate_binary_messenger_mobile.dart';
+import 'package:tmail_ui_user/main/permissions/permission_service.dart';
+
+class NotificationPermissionService extends PermissionService {
+
+  Future<bool> checkGroupPermissionByGroupId(String groupId) async {
+    if (groupId.isEmpty) {
+      return false;
+    }
+
+    const methodChannel = MethodChannel('com.linagora.android.teammail.notification.group.permission');
+    const methodName = 'getNotificationGroupPermission';
+    final invokeResult = await methodChannel.invokeMethod<bool>(
+      methodName,
+      groupId);
+    return invokeResult ?? false;
+  }
+
+  Future<bool> checkNotificationPermissionEnabled(String groupId) async {
+    final permissionGranted = await isGranted(Permission.notification);
+    if (!permissionGranted) {
+      return false;
+    }
+
+    return await checkGroupPermissionByGroupId(groupId);
+  }
+}

lib/main/permissions/permission_service.dart

@@ -0,0 +1,17 @@
+import 'package:permission_handler/permission_handler.dart';
+
+class PermissionService {
+  Future<bool> isGranted(Permission permission) async {
+    final current = await permission.status;
+    switch (current) {
+      case PermissionStatus.granted:
+        return true;
+      case PermissionStatus.denied:
+        final requestResult = await permission.request();
+        final permissionGranted = requestResult == PermissionStatus.granted;
+        return permissionGranted;
+      default:
+        return false;
+    }
+  }
+}

pubspec.lock

@@ -25,6 +25,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.13.0"
+  app_settings:
+    dependency: "direct main"
+    description:
+      name: app_settings
+      sha256: "09bc7fe0313a507087bec1a3baf555f0576e816a760cbb31813a88890a09d9e5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
   archive:
     dependency: transitive
     description:

pubspec.yaml

@@ -244,6 +244,8 @@ dependencies:
 
   file_picker: 5.3.1
 
+  app_settings: 5.1.1
+
 dev_dependencies:
   flutter_test:
     sdk: flutter

test/features/manage_account/data/datasource_impl/notification_datasource_impl_test.dart

@@ -0,0 +1,101 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:jmap_dart_client/jmap/core/user_name.dart';
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:tmail_ui_user/features/manage_account/data/datasource_impl/notification_datasource_impl.dart';
+import 'package:tmail_ui_user/main/exceptions/exception_thrower.dart';
+import 'package:tmail_ui_user/main/permissions/notification_permission_service.dart';
+
+import 'notification_datasource_impl_test.mocks.dart';
+
+@GenerateNiceMocks([
+  MockSpec<NotificationPermissionService>(),
+  MockSpec<ExceptionThrower>()])
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  
+  final permissionService = MockNotificationPermissionService();
+  final exceptionThrower = MockExceptionThrower();
+  final notificationDatasourceImpl = NotificationDataSourceImpl(
+    permissionService,
+    exceptionThrower);
+
+  final userName = UserName('value');
+
+  void setMockNotificationPermission({
+    VoidCallback? openAppSettingsCallback,
+  }) {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+      .setMockMethodCallHandler(
+        const MethodChannel('com.spencerccf.app_settings/methods'),
+        (message) async {
+          if (message.method == 'openSettings') {
+            openAppSettingsCallback?.call();
+            return true;
+          }
+
+          return null;
+        });
+  }
+
+  group('notification datasource test:', () {
+    group('getAppNotificationSetting test:', () {
+      test(
+        'should return true '
+        'when user grants notification permission',
+      () async {
+        // arrange
+        debugDefaultTargetPlatformOverride = TargetPlatform.android;
+        when(permissionService.checkNotificationPermissionEnabled(any)).thenAnswer((_) async => true);
+
+        // act
+        final result = await notificationDatasourceImpl.getNotificationSetting(userName);
+
+        // assert
+        verify(permissionService.checkNotificationPermissionEnabled(userName.value));
+        expect(result, true);
+        debugDefaultTargetPlatformOverride = null;
+      });
+
+      test(
+        'should return false '
+        'when user denies notification permission',
+      () async {
+        // arrange
+        debugDefaultTargetPlatformOverride = TargetPlatform.android;
+        when(permissionService.checkNotificationPermissionEnabled(any)).thenAnswer((_) async => false);
+
+        // act
+        final result = await notificationDatasourceImpl.getNotificationSetting(userName);
+
+        // assert
+        verify(permissionService.checkNotificationPermissionEnabled(userName.value));
+        expect(result, false);
+        debugDefaultTargetPlatformOverride = null;
+      });
+    });
+
+    group('toggleAppNotificationSetting test:', () {
+      test(
+        'should call openAppSettings '
+        'when user toggles notification setting on',
+      () async {
+        // arrange
+        debugDefaultTargetPlatformOverride = TargetPlatform.android;
+        bool openAppSettingsCalled = false;
+        setMockNotificationPermission(openAppSettingsCallback: () {
+          openAppSettingsCalled = true;
+        });
+
+        // act
+        await notificationDatasourceImpl.toggleNotificationSetting();
+
+        // assert
+        expect(openAppSettingsCalled, true);
+        debugDefaultTargetPlatformOverride = null;
+      });
+    });
+  });
+}

test/features/manage_account/data/repository/notification_repository_impl_test.dart

@@ -0,0 +1,48 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:jmap_dart_client/jmap/core/user_name.dart';
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:tmail_ui_user/features/manage_account/data/datasource/notification_datasource.dart';
+import 'package:tmail_ui_user/features/manage_account/data/repository/notification_repository_impl.dart';
+
+import 'notification_repository_impl_test.mocks.dart';
+
+@GenerateNiceMocks([MockSpec<NotificationDataSource>()])
+void main() {
+  final notificationDataSource = MockNotificationDataSource();
+  final notificationRepositoryImpl = NotificationRepositoryImpl(notificationDataSource);
+
+  final userName = UserName('value');
+
+  group('notification repository impl test:', () {
+    test(
+      'should call getNotificationSetting '
+      'when getNotificationSetting in datasource is called',
+    () {
+      // arrange
+      when(notificationDataSource.getNotificationSetting(any))
+        .thenAnswer((_) async => true);
+
+      // act
+      notificationRepositoryImpl.getNotificationSetting(userName);
+
+      // assert
+      verify(notificationDataSource.getNotificationSetting(userName)).called(1);
+    });
+
+    test(
+      'should call toggleNotificationSetting '
+      'when toggleNotificationSetting in datasource is called',
+    () {
+      // arrange
+      when(notificationDataSource.toggleNotificationSetting())
+        .thenAnswer((_) async => true);
+
+      // act
+      notificationRepositoryImpl.toggleNotificationSetting();
+
+      // assert
+      verify(notificationDataSource.toggleNotificationSetting()).called(1);
+    });
+  });
+}

test/main/permissions/notification_permission_service_test.dart

@@ -0,0 +1,123 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:tmail_ui_user/features/base/isolate/background_isolate_binary_messenger/background_isolate_binary_messenger_mobile.dart';
+import 'package:tmail_ui_user/main/permissions/notification_permission_service.dart';
+
+class TestNotificationPermissionService extends NotificationPermissionService {
+  bool callCheckGroupPermission = false;
+
+  @override
+  Future<bool> checkGroupPermissionByGroupId(String groupId) {
+    callCheckGroupPermission = true;
+    return super.checkGroupPermissionByGroupId(groupId);
+  }
+}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  final notificationPermissionService = TestNotificationPermissionService();
+
+  void setMockNotificationPermission({
+    required PermissionStatus currentStatus,
+    PermissionStatus? requestedStatus,
+  }) {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+      .setMockMethodCallHandler(
+        const MethodChannel('flutter.baseflow.com/permissions/methods'),
+        (message) async {
+          if (message.method == 'checkPermissionStatus') {
+            return currentStatus.index;
+          } else if (message.method == 'requestPermissions') {
+            assert(
+              requestedStatus != null,
+              'mock requested status must not be null '
+              'when requesting permission');
+
+            return {Permission.notification.value: requestedStatus!.index};
+          }
+
+          return null;
+        });
+  }
+
+  void setMockNotificationGroupStatus({
+    required bool groupIsBlocked,
+  }) {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+      .setMockMethodCallHandler(
+        const MethodChannel('com.linagora.android.teammail.notification.group.permission'),
+        (message) async {
+          if (message.method == 'getNotificationGroupPermission') {
+            return groupIsBlocked;
+          }
+
+          return null;
+        });
+  }
+
+  group('notification permission service test', () {
+    test(
+      'should return false '
+      'when checkGroupPermission is called '
+      'and group id is empty',
+    () async {
+      // arrange
+      setMockNotificationGroupStatus(groupIsBlocked: true);
+
+      // act
+      final result = await notificationPermissionService.checkGroupPermissionByGroupId('');
+      
+      // assert
+      expect(notificationPermissionService.callCheckGroupPermission, true);
+      expect(result, false);
+    });
+
+    test(
+      'should return the status of notification group '
+      'when checkGroupPermission is called '
+      'and group id is not empty',
+    () async {
+      // arrange
+      setMockNotificationGroupStatus(groupIsBlocked: true);
+
+      // act
+      final result = await notificationPermissionService.checkGroupPermissionByGroupId('test');
+      
+      // assert
+      expect(notificationPermissionService.callCheckGroupPermission, true);
+      expect(result, true);
+    });
+    
+    test(
+      'should return false '
+      'when checkNotificationPermissionEnabled is called '
+      'and permission is not granted',
+    () async {
+      // arrange
+      setMockNotificationPermission(currentStatus: PermissionStatus.permanentlyDenied);
+
+      // act
+      final result = await notificationPermissionService.checkNotificationPermissionEnabled('');
+      
+      // assert
+      expect(result, false);
+    });
+
+    test(
+      'should return the status of notification group '
+      'when checkNotificationPermissionEnabled is called '
+      'and permission is not granted',
+    () async {
+      // arrange
+      setMockNotificationPermission(currentStatus: PermissionStatus.granted);
+      setMockNotificationGroupStatus(groupIsBlocked: true);
+
+      // act
+      final result = await notificationPermissionService.checkGroupPermissionByGroupId('test');
+      
+      // assert
+      expect(result, true);
+    });
+  });
+}

test/main/permissions/permission_service_test.dart

@@ -0,0 +1,84 @@
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:tmail_ui_user/main/permissions/permission_service.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  final permissionService = PermissionService();
+  
+  void setMockNotificationPermission({
+    required PermissionStatus currentStatus,
+    PermissionStatus? requestedStatus,
+  }) {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+      .setMockMethodCallHandler(
+        const MethodChannel('flutter.baseflow.com/permissions/methods'),
+        (message) async {
+          if (message.method == 'checkPermissionStatus') {
+            return currentStatus.index;
+          } else if (message.method == 'requestPermissions') {
+            assert(
+              requestedStatus != null,
+              'mock requested status must not be null '
+              'when requesting permission');
+
+            return {Permission.notification.value: requestedStatus!.index};
+          }
+
+          return null;
+        });
+  }
+
+  group('permission service test:', () {
+    group('isGranted test:', () {
+      test(
+        'should return true '
+        'when permission is granted before',
+      () async {
+        // arrange
+        setMockNotificationPermission(currentStatus: PermissionStatus.granted);
+
+        // act
+        final result = await permissionService.isGranted(Permission.notification);
+
+        // assert
+        expect(result, true);
+      });
+
+      test(
+        'should return true '
+        'when permission is not granted before '
+        'and granted when request',
+      () async {
+        // arrange
+        setMockNotificationPermission(
+          currentStatus: PermissionStatus.denied,
+          requestedStatus: PermissionStatus.granted);
+
+        // act
+        final result = await permissionService.isGranted(Permission.notification);
+
+        // assert
+        expect(result, true);
+      });
+
+      test(
+        'should return false '
+        'when permission is not granted before '
+        'and denied when request',
+      () async {
+        // arrange
+        setMockNotificationPermission(
+          currentStatus: PermissionStatus.denied,
+          requestedStatus: PermissionStatus.denied);
+
+        // act
+        final result = await permissionService.isGranted(Permission.notification);
+
+        // assert
+        expect(result, false);
+      });
+    });
+  });
+}