82 lines
3.3 KiB
Dart
82 lines
3.3 KiB
Dart
import 'package:flutter_bloc/flutter_bloc.dart';
|
|
import 'package:news/data/models/NewsModel.dart';
|
|
import 'package:news/data/repositories/SubCatNews/subCatRepository.dart';
|
|
import 'package:news/utils/ErrorMessageKeys.dart';
|
|
import 'package:news/utils/constant.dart';
|
|
import 'package:news/utils/strings.dart';
|
|
|
|
abstract class SubCatNewsState {}
|
|
|
|
class SubCatNewsInitial extends SubCatNewsState {}
|
|
|
|
class SubCatNewsFetchInProgress extends SubCatNewsState {}
|
|
|
|
class SubCatNewsFetchSuccess extends SubCatNewsState {
|
|
final List<NewsModel> subCatNews;
|
|
final int totalSubCatNewsCount;
|
|
final bool hasMoreFetchError;
|
|
final bool hasMore;
|
|
final bool isFirst;
|
|
|
|
SubCatNewsFetchSuccess({required this.subCatNews, required this.totalSubCatNewsCount, required this.hasMoreFetchError, required this.hasMore, required this.isFirst});
|
|
}
|
|
|
|
class SubCatNewsFetchFailure extends SubCatNewsState {
|
|
final String errorMessage;
|
|
|
|
SubCatNewsFetchFailure(this.errorMessage);
|
|
}
|
|
|
|
class SubCatNewsCubit extends Cubit<SubCatNewsState> {
|
|
final SubCatNewsRepository _subCatNewsRepository;
|
|
|
|
SubCatNewsCubit(this._subCatNewsRepository) : super(SubCatNewsInitial());
|
|
|
|
void getSubCatNews({String? catId, String? subCatId, String? latitude, String? longitude, required String langId}) async {
|
|
try {
|
|
emit(SubCatNewsFetchInProgress());
|
|
final result =
|
|
await _subCatNewsRepository.getSubCatNews(limit: limitOfAPIData.toString(), offset: "0", subCatId: subCatId, langId: langId, catId: catId, latitude: latitude, longitude: longitude);
|
|
(!result[ERROR])
|
|
? emit(SubCatNewsFetchSuccess(
|
|
subCatNews: result['SubCatNews'],
|
|
totalSubCatNewsCount: result[TOTAL],
|
|
hasMoreFetchError: false,
|
|
hasMore: (result['SubCatNews'] as List<NewsModel>).length < result[TOTAL],
|
|
isFirst: true))
|
|
: emit(SubCatNewsFetchFailure(ErrorMessageKeys.noDataMessage));
|
|
} catch (e) {
|
|
if (!isClosed) emit(SubCatNewsFetchFailure(e.toString()));
|
|
}
|
|
}
|
|
|
|
bool hasMoreSubCatNews() {
|
|
return (state is SubCatNewsFetchSuccess) ? (state as SubCatNewsFetchSuccess).hasMore : false;
|
|
}
|
|
|
|
void getMoreSubCatNews({String? catId, String? subCatId, String? latitude, String? longitude, required String langId}) async {
|
|
if (state is SubCatNewsFetchSuccess) {
|
|
try {
|
|
final result = await _subCatNewsRepository.getSubCatNews(
|
|
limit: limitOfAPIData.toString(),
|
|
offset: (state as SubCatNewsFetchSuccess).subCatNews.length.toString(),
|
|
langId: langId,
|
|
catId: catId,
|
|
subCatId: subCatId,
|
|
latitude: latitude,
|
|
longitude: longitude);
|
|
List<NewsModel> updatedResults = (state as SubCatNewsFetchSuccess).subCatNews;
|
|
updatedResults.addAll(result['SubCatNews'] as List<NewsModel>);
|
|
emit(SubCatNewsFetchSuccess(subCatNews: updatedResults, totalSubCatNewsCount: result[TOTAL], hasMoreFetchError: false, hasMore: updatedResults.length < result[TOTAL], isFirst: false));
|
|
} catch (e) {
|
|
emit(SubCatNewsFetchSuccess(
|
|
subCatNews: (state as SubCatNewsFetchSuccess).subCatNews,
|
|
hasMoreFetchError: true,
|
|
totalSubCatNewsCount: (state as SubCatNewsFetchSuccess).totalSubCatNewsCount,
|
|
hasMore: (state as SubCatNewsFetchSuccess).hasMore,
|
|
isFirst: false));
|
|
}
|
|
}
|
|
}
|
|
}
|