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eatvio_app/lib/presentation/feed/feed_screen/bloc/feed_bloc.dart

74 lines
2.6 KiB
Dart

//import 'package:eatvio_app/presentation/auth/auth_screen/auth_screen.dart';
import 'dart:async';
import 'package:eatvio_app/app_router.dart';
import 'package:equatable/equatable.dart';
import 'package:flutter/material.dart';
import '/core/app_export.dart';
import 'package:eatvio_app/presentation/feed/feed_screen/models/feed_model.dart';
import 'package:http/http.dart' as http;
import 'dart:convert';
import 'package:hive/hive.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:image_picker/image_picker.dart';
import 'package:go_router/go_router.dart';
part 'feed_event.dart';
part 'feed_state.dart';
/// A bloc that manages the state of a Feed according to the event that is dispatched to it.
class FeedBloc extends Bloc<FeedEvent, FeedState> {
FeedBloc(FeedState initialState) : super(initialState) {
on<FeedInitialEvent>(_onInitialize);
}
Future<void> _onInitialize(
FeedInitialEvent event,
Emitter<FeedState> emit,
) async {
try {
final box = await Hive.openBox('token');
final token = box.get('token');
if (token == null) {
AppRouter.navigatorKey.currentContext?.goNamed('authScreen');
}
final response = await http.get(
Uri.parse(dotenv.env['SERVER_ROOT']! + '/feed/index'),
headers: {
'Authorization': 'Bearer $token',
},
);
print('Got response');
if (response.statusCode == 200) {
print('Got 200');
final data = jsonDecode(response.body);
if (data is List<dynamic>) {
print('Got List');
if (state is FeedLoadedState) {
print('Got loaded');
var currentState = state as FeedLoadedState;
emit((currentState).copyWith(
posts: data,
myProfileModelObj: currentState.myProfileModelObj,
));
} else {
print('Got unloaded');
emit(FeedLoadedState(
posts: data,
));
}
} else {
// Один или несколько ключевых полей отсутствуют, обрабатываем ошибку
emit(FeedErrorState('Неверный формат ответа API.'));
}
} else {
// Статус ответа не равен 200, обрабатываем ошибку
emit(FeedErrorState('Ошибка сервера: ${response.statusCode}'));
}
} catch (e) {
// Ошибка при декодировании JSON или другая ошибка выполнения
emit(FeedErrorState('Ошибка при получении данных ленты: $e'));
}
}
}