112 lines
4.1 KiB
Dart
112 lines
4.1 KiB
Dart
// lib/presentation/discount_management/bloc/discount_management_bloc.dart
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import 'package:bloc/bloc.dart';
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import 'package:business_panel/core/config/api_config.dart';
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import 'package:business_panel/core/services/token_storage_service.dart';
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import 'package:business_panel/core/utils/logging_interceptor.dart';
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import 'package:business_panel/domain/entities/discount_entity.dart';
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import 'package:dio/dio.dart';
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import 'package:flutter/foundation.dart';
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part 'discount_management_event.dart';
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part 'discount_management_state.dart';
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class DiscountManagementBloc extends Bloc<DiscountManagementEvent, DiscountManagementState> {
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final Dio _dio = Dio();
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final TokenStorageService _tokenStorage = TokenStorageService();
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DiscountManagementBloc() : super(DiscountManagementInitial()) {
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_dio.interceptors.add(LoggingInterceptor());
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on<FetchManagedDiscounts>((event, emit) async {
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await _fetchDiscounts(emit, status: event.status);
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});
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on<SearchManagedDiscounts>((event, emit) async {
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await _fetchDiscounts(emit, searchQuery: event.query, status: event.status);
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});
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// **NEW EVENT HANDLER**
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on<DeleteDiscount>((event, emit) async {
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emit(DiscountDeleteInProgress());
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try {
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final token = await _tokenStorage.getAccessToken();
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if (token == null || token.isEmpty) {
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emit(DiscountDeleteFailure("خطای احراز هویت."));
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return;
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}
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final response = await _dio.get(
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ApiConfig.deleteDiscount(event.discountId),
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options: Options(
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headers: {'Authorization': 'Bearer $token'},
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),
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);
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if (response.statusCode == 200) {
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emit(DiscountDeleteSuccess("تخفیف با موفقیت حذف شد."));
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} else {
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emit(DiscountDeleteFailure(response.data['message'] ?? 'خطا در حذف تخفیف'));
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}
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} on DioException catch (e) {
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emit(DiscountDeleteFailure(e.response?.data['message'] ?? 'خطای شبکه'));
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} catch (e) {
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emit(DiscountDeleteFailure('خطای پیشبینی نشده: ${e.toString()}'));
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}
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});
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}
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Future<void> _fetchDiscounts(Emitter<DiscountManagementState> emit,
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{String? searchQuery, int? status}) async {
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// To prevent showing old data, we start with loading
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// but only if the current state is not about deletion status
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if (state is! DiscountDeleteSuccess && state is! DiscountDeleteFailure) {
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emit(DiscountManagementLoading());
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}
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try {
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final token = await _tokenStorage.getAccessToken();
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if (token == null || token.isEmpty) {
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emit(DiscountManagementError("خطای احراز هویت. لطفا دوباره وارد شوید."));
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return;
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}
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String url = ApiConfig.getDiscounts;
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Map<String, dynamic> queryParameters = {};
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if (status != null) {
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queryParameters['status'] = status;
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}
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if (searchQuery != null && searchQuery.isNotEmpty) {
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queryParameters['search'] = searchQuery;
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}
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final response = await _dio.get(
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url,
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queryParameters: queryParameters,
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options: Options(
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headers: {'Authorization': 'Bearer $token'},
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),
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);
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if (response.statusCode == 200 && response.data['data'] != null) {
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final List<dynamic> data = response.data['data']['discounts'] ?? [];
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final discounts =
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data.map((json) => DiscountEntity.fromJson(json)).toList();
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emit(DiscountManagementLoaded(discounts));
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} else {
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emit(DiscountManagementError(response.data['message'] ?? 'خطا در دریافت اطلاعات'));
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}
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} on DioException catch (e) {
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if (kDebugMode) {
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print('DioException in DiscountManagementBloc: ${e.response?.data}');
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}
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emit(DiscountManagementError(e.response?.data['message'] ?? 'خطای شبکه'));
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} catch (e, stackTrace) {
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if (kDebugMode) {
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print('Error in DiscountManagementBloc: $e');
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print(stackTrace);
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}
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emit(DiscountManagementError('خطای پیشبینی نشده رخ داد: ${e.toString()}'));
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}
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}
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} |