65 lines
2.0 KiB
Dart
65 lines
2.0 KiB
Dart
import 'package:equatable/equatable.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import '../../models/user_credit.dart';
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import '../../services/api_service/repositories/credit_repository.dart';
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import '../../utils/logger.dart';
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part 'credit_event.dart';
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part 'credit_state.dart';
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/// 用户积分BLoC
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/// 负责管理用户积分状态和数据获取
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class CreditBloc extends Bloc<CreditEvent, CreditState> {
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final CreditRepository _repository;
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static const String _tag = 'CreditBloc';
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CreditBloc({required CreditRepository repository})
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: _repository = repository,
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super(const CreditInitial()) {
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on<LoadUserCredits>(_onLoadUserCredits);
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on<RefreshUserCredits>(_onRefreshUserCredits);
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on<ClearCredits>(_onClearCredits);
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}
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/// 处理加载用户积分事件
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Future<void> _onLoadUserCredits(
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LoadUserCredits event,
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Emitter<CreditState> emit,
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) async {
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emit(const CreditLoading());
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await _loadCredits(emit);
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}
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/// 处理刷新用户积分事件
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Future<void> _onRefreshUserCredits(
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RefreshUserCredits event,
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Emitter<CreditState> emit,
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) async {
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// 刷新不显示loading状态，保持当前显示
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await _loadCredits(emit);
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}
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/// 处理清空用户积分事件
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Future<void> _onClearCredits(
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ClearCredits event,
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Emitter<CreditState> emit,
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) async {
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AppLogger.i(_tag, '清空用户积分状态，重置为初始状态');
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emit(const CreditInitial());
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}
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/// 加载积分的公共方法
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Future<void> _loadCredits(Emitter<CreditState> emit) async {
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try {
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AppLogger.i(_tag, '开始加载用户积分');
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final userCredit = await _repository.getUserCredits();
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AppLogger.i(_tag, '用户积分加载成功: ${userCredit.credits}');
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emit(CreditLoaded(userCredit: userCredit));
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} catch (e, stackTrace) {
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AppLogger.e(_tag, '加载用户积分失败', e, stackTrace);
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emit(CreditError(message: '加载用户积分失败: ${e.toString()}'));
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}
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}
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} |