88 lines
3.7 KiB
Dart
88 lines
3.7 KiB
Dart
import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:news/data/models/NewsModel.dart';
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import 'package:news/data/repositories/GetUserNews/getUserNewsRepository.dart';
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import 'package:news/utils/constant.dart';
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import 'package:news/utils/strings.dart';
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abstract class GetUserNewsState {}
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class GetUserNewsInitial extends GetUserNewsState {}
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class GetUserNewsFetchInProgress extends GetUserNewsState {}
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class GetUserNewsFetchSuccess extends GetUserNewsState {
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final List<NewsModel> getUserNews;
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final int totalGetUserNewsCount;
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final bool hasMoreFetchError;
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final bool hasMore;
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GetUserNewsFetchSuccess({required this.getUserNews, required this.totalGetUserNewsCount, required this.hasMoreFetchError, required this.hasMore});
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}
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class GetUserNewsFetchFailure extends GetUserNewsState {
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final String errorMessage;
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GetUserNewsFetchFailure(this.errorMessage);
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}
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class GetUserNewsCubit extends Cubit<GetUserNewsState> {
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final GetUserNewsRepository _getUserNewsRepository;
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GetUserNewsCubit(this._getUserNewsRepository) : super(GetUserNewsInitial());
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void getGetUserNews({String? latitude, String? longitude}) async {
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try {
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emit(GetUserNewsFetchInProgress());
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final result = await _getUserNewsRepository.getGetUserNews(limit: limitOfAPIData.toString(), offset: "0", latitude: latitude, longitude: longitude);
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(!result[ERROR])
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? emit(GetUserNewsFetchSuccess(
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getUserNews: result['GetUserNews'], totalGetUserNewsCount: result[TOTAL], hasMoreFetchError: false, hasMore: (result['GetUserNews'] as List<NewsModel>).length < result[TOTAL]))
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: emit(GetUserNewsFetchFailure(result[MESSAGE]));
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} catch (e) {
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emit(GetUserNewsFetchFailure(e.toString()));
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}
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}
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bool hasMoreGetUserNews() {
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return (state is GetUserNewsFetchSuccess) ? (state as GetUserNewsFetchSuccess).hasMore : false;
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}
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void getMoreGetUserNews({String? latitude, String? longitude}) async {
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if (state is GetUserNewsFetchSuccess) {
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try {
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final result = await _getUserNewsRepository.getGetUserNews(
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limit: limitOfAPIData.toString(), offset: (state as GetUserNewsFetchSuccess).getUserNews.length.toString(), latitude: latitude, longitude: longitude);
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List<NewsModel> updatedResults = (state as GetUserNewsFetchSuccess).getUserNews;
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updatedResults.addAll(result['GetUserNews'] as List<NewsModel>);
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emit(GetUserNewsFetchSuccess(getUserNews: updatedResults, totalGetUserNewsCount: result[TOTAL], hasMoreFetchError: false, hasMore: updatedResults.length < result[TOTAL]));
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} catch (e) {
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emit(GetUserNewsFetchSuccess(
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getUserNews: (state as GetUserNewsFetchSuccess).getUserNews,
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hasMoreFetchError: true,
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totalGetUserNewsCount: (state as GetUserNewsFetchSuccess).totalGetUserNewsCount,
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hasMore: (state as GetUserNewsFetchSuccess).hasMore));
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}
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}
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}
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void deleteNews(int index) {
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if (state is GetUserNewsFetchSuccess) {
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List<NewsModel> newsList = List.from((state as GetUserNewsFetchSuccess).getUserNews)..removeAt(index);
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emit(GetUserNewsFetchSuccess(
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getUserNews: newsList, hasMore: (state as GetUserNewsFetchSuccess).hasMore, hasMoreFetchError: false, totalGetUserNewsCount: (state as GetUserNewsFetchSuccess).totalGetUserNewsCount - 1));
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}
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}
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void deleteImageId(int index) {
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if (state is GetUserNewsFetchSuccess) {
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List<NewsModel> newsList = (state as GetUserNewsFetchSuccess).getUserNews;
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newsList[index].imageDataList!.removeAt(index);
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emit(GetUserNewsFetchSuccess(
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getUserNews: newsList, hasMore: (state as GetUserNewsFetchSuccess).hasMore, hasMoreFetchError: false, totalGetUserNewsCount: (state as GetUserNewsFetchSuccess).totalGetUserNewsCount));
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}
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}
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}
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