notifications_repository.dart

import 'package:components/api/graphql_api.dart';
import 'package:components/model/request_result_model.dart';
import 'package:components/utils/log_service.dart';

import 'notification.dart';


abstract class NotificationsRepository {
  NotificationsRepository();

  factory NotificationsRepository.create(GraphqlAPI graphqlAPI) {
    return NotificationRepositoryImpl(graphqlAPI);
  }

  Future<RequestResultModel> loadNotifications();

  Future<RequestResultModel> markAsRead(List<String> data);
}

class NotificationRepositoryImpl extends NotificationsRepository {
  GraphqlAPI graphqlAPI;

  NotificationRepositoryImpl(this.graphqlAPI);

  @override
  Future<RequestResultModel> loadNotifications() async {
    try {
      final response = await Future.delayed(Duration(seconds: 2));

      return RequestResultModel(result: true, value: mockItems());
    } on Exception catch (e) {
      LogService.log('Exception during loading notifications', exception: e);
      return RequestResultModel(result: false, value: e);
    }
  }

  @override
  Future<RequestResultModel> markAsRead(List<String> data) async {
    try {
      final response = await Future.delayed(Duration(seconds: 2));

      return RequestResultModel(result: true, value: data);
    } on Exception catch (e) {
      LogService.log('Exception during marking notifications as read', exception: e);
      return RequestResultModel(result: false, value: e);
    }
  }
}

List<MockNotification> mockItems() {
  final list = <MockNotification>[];
  for (var i = 1; i < 100; i++) {
    list.add(
      MockNotification(
        id: '$i',
        label: 'Label $i',
        dateTime: DateTime.now().subtract(
          Duration(days: 1),
        ),
        isRead: i % 2 == 0,
      ),
    );
  }
  return list;
}