TF-438 Implement method for get/store/delete StateToRefresh and get email changes

lib/features/push_notification/data/datasource_impl/hive_fcm_datasource_impl.dart

@@ -1,3 +1,5 @@
+import 'package:fcm/model/type_name.dart';
+import 'package:jmap_dart_client/jmap/core/state.dart' as jmap;
 import 'package:model/fcm/fcm_token_dto.dart';
 import 'package:tmail_ui_user/features/push_notification/data/datasource/fcm_datasource.dart';
 import 'package:tmail_ui_user/features/push_notification/data/local/fcm_cache_manager.dart';
@@ -36,4 +38,31 @@ class HiveFCMDatasourceImpl extends FCMDatasource {
       _exceptionThrower.throwException(error);
     });
   }
+
+  @override
+  Future<bool> storeStateToRefresh(TypeName typeName, jmap.State newState) {
+    return Future.sync(() async {
+      return await _firebaseCacheManager.storeStateToRefresh(typeName, newState);
+    }).catchError((error) {
+      _exceptionThrower.throwException(error);
+    });
+  }
+
+  @override
+  Future<jmap.State> getStateToRefresh(TypeName typeName) {
+    return Future.sync(() async {
+      return await _firebaseCacheManager.getStateToRefresh(typeName);
+    }).catchError((error) {
+      _exceptionThrower.throwException(error);
+    });
+  }
+
+  @override
+  Future<bool> deleteStateToRefresh(TypeName typeName) {
+    return Future.sync(() async {
+      return await _firebaseCacheManager.deleteStateToRefresh(typeName);
+    }).catchError((error) {
+      _exceptionThrower.throwException(error);
+    });
+  }
 }

lib/features/push_notification/data/local/fcm_cache_manager.dart

@@ -1,14 +1,18 @@
 import 'package:core/utils/app_logger.dart';
+import 'package:fcm/model/type_name.dart';
 import 'package:model/fcm/fcm_token_dto.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 import 'package:tmail_ui_user/features/caching/fcm_token_cache_client.dart';
 import 'package:tmail_ui_user/features/push_notification/data/extensions/fcm_cache_extensions.dart';
 import 'package:tmail_ui_user/features/push_notification/data/extensions/fcm_extensions.dart';
 import 'package:tmail_ui_user/features/push_notification/domain/exceptions/fcm_exception.dart';
+import 'package:jmap_dart_client/jmap/core/state.dart' as jmap;
 
 class FCMCacheManager {
   final FcmTokenCacheClient _fcmTokenCacheClient;
+  final SharedPreferences _sharedPreferences;
 
-  FCMCacheManager(this._fcmTokenCacheClient);
+  FCMCacheManager(this._fcmTokenCacheClient, this._sharedPreferences);
 
   Future<FCMTokenDto> getFCMToken(String accountId) async {
     try {
@@ -33,4 +37,36 @@ class FCMCacheManager {
     log('FCMCacheManager::deleteSelectedFCM(): $accountId');
     return _fcmTokenCacheClient.deleteItem(accountId);
   }
+
+  Future<bool> storeStateToRefresh(TypeName typeName, jmap.State newState) {
+    return _sharedPreferences.setString(typeName.value, newState.value);
+  }
+
+  Future<jmap.State> getStateToRefresh(TypeName typeName) async {
+    log('FCMCacheManager::getStoredFcmStateChange():keys_BEFORE: ${_sharedPreferences.getKeys().toString()}');
+    await _sharedPreferences.reload();
+    log('FCMCacheManager::getStoredFcmStateChange():keys_AFTER: ${_sharedPreferences.getKeys().toString()}');
+    final stateValue = _sharedPreferences.getString(typeName.value);
+    if (stateValue != null) {
+      return jmap.State(stateValue);
+    } else {
+      if (typeName == TypeName.emailDelivery) {
+        throw NotFoundEmailDeliveryStateException();
+      } else {
+        throw NotFoundStateToRefreshException();
+      }
+    }
+  }
+
+  Future<bool> deleteStateToRefresh(TypeName typeName) {
+    return _sharedPreferences.remove(typeName.value);
+  }
+
+  Future<bool> clearAllStateToRefresh() async {
+    return await Future.wait([
+      _sharedPreferences.remove(TypeName.emailType.value),
+      _sharedPreferences.remove(TypeName.mailboxType.value),
+      _sharedPreferences.remove(TypeName.emailDelivery.value)
+    ]).then((listResult) => listResult.every((result) => result));
+  }
 }

lib/features/push_notification/data/repository/fcm_repository_impl.dart

@@ -1,13 +1,24 @@
 import 'package:core/utils/app_logger.dart';
+import 'package:fcm/model/type_name.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/properties/properties.dart';
 import 'package:model/fcm/fcm_token_dto.dart';
 import 'package:tmail_ui_user/features/push_notification/data/datasource/fcm_datasource.dart';
 import 'package:tmail_ui_user/features/push_notification/domain/repository/fcm_repository.dart';
+import 'package:tmail_ui_user/features/thread/data/datasource/thread_datasource.dart';
+import 'package:tmail_ui_user/features/thread/data/model/email_change_response.dart';
+import 'package:jmap_dart_client/jmap/core/state.dart' as jmap;
+import 'package:tmail_ui_user/features/thread/domain/model/email_response.dart';
 
 class FCMRepositoryImpl extends FCMRepository {
 
   final FCMDatasource _fcmDatasource;
+  final ThreadDataSource _threadDataSource;
 
-  FCMRepositoryImpl(this._fcmDatasource);
+  FCMRepositoryImpl(
+    this._fcmDatasource,
+    this._threadDataSource
+  );
 
   @override
   Future<FCMTokenDto> getFCMToken(String accountId) {
@@ -24,4 +35,57 @@ class FCMRepositoryImpl extends FCMRepository {
   Future<void> deleteFCMToken(String accountId) {
     return _fcmDatasource.deleteFCMToken(accountId);
   }
+
+  @override
+  Future<EmailsResponse> getEmailChangesToPushNotification(
+    AccountId accountId,
+    jmap.State currentState,
+    {
+      Properties? propertiesCreated,
+      Properties? propertiesUpdated
+    }
+  ) async {
+    EmailChangeResponse? emailChangeResponse;
+    bool hasMoreChanges = true;
+    jmap.State? sinceState = currentState;
+
+    while (hasMoreChanges && sinceState != null) {
+      final changesResponse = await _threadDataSource.getChanges(
+        accountId,
+        sinceState,
+        propertiesCreated: propertiesCreated,
+        propertiesUpdated: propertiesUpdated
+      );
+
+      hasMoreChanges = changesResponse.hasMoreChanges;
+      sinceState = changesResponse.newStateChanges;
+
+      if (emailChangeResponse != null) {
+        emailChangeResponse.union(changesResponse);
+      } else {
+        emailChangeResponse = changesResponse;
+      }
+    }
+
+    if (emailChangeResponse != null) {
+      return EmailsResponse(emailList: emailChangeResponse.created ?? []);
+    } else {
+      return EmailsResponse();
+    }
+  }
+
+  @override
+  Future<bool> storeStateToRefresh(TypeName typeName, jmap.State newState) {
+    return _fcmDatasource.storeStateToRefresh(typeName, newState);
+  }
+
+  @override
+  Future<jmap.State> getStateToRefresh(TypeName typeName) {
+    return _fcmDatasource.getStateToRefresh(typeName);
+  }
+
+  @override
+  Future<bool> deleteStateToRefresh(TypeName typeName) {
+    return _fcmDatasource.deleteStateToRefresh(typeName);
+  }
 }