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elcaribe/news-app/lib/cubits/featureSectionCubit.dart

72 lines
2.9 KiB
Dart

import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:news/data/models/FeatureSectionModel.dart';
import 'package:news/data/repositories/FeatureSection/sectionRepository.dart';
import 'package:news/utils/constant.dart';
import 'package:news/utils/strings.dart';
abstract class SectionState {}
class SectionInitial extends SectionState {}
class SectionFetchInProgress extends SectionState {}
class SectionFetchSuccess extends SectionState {
final List<FeatureSectionModel> section;
final int totalCount;
final bool hasMoreFetchError;
final bool hasMore;
SectionFetchSuccess({required this.section, required this.totalCount, required this.hasMore, required this.hasMoreFetchError});
}
class SectionFetchFailure extends SectionState {
final String errorMessage;
SectionFetchFailure(this.errorMessage);
}
class SectionCubit extends Cubit<SectionState> {
final SectionRepository _sectionRepository;
SectionCubit(this._sectionRepository) : super(SectionInitial());
void getSection({required String langId, String? latitude, String? longitude}) async {
try {
emit(SectionFetchInProgress());
final result = await _sectionRepository.getSection(langId: langId, latitude: latitude, longitude: longitude, limit: limitOfAPIData.toString(), offset: "0", sectionOffset: "0");
(!result[ERROR])
? emit(SectionFetchSuccess(
section: result['Section'],
totalCount: result[TOTAL],
hasMore: result['Section'].length < result[TOTAL],
hasMoreFetchError: false,
))
: emit(SectionFetchFailure(result[MESSAGE]));
} catch (e) {
emit(SectionFetchFailure(e.toString()));
}
}
bool hasMoreSections() {
return (state is SectionFetchSuccess) ? (state as SectionFetchSuccess).hasMore : false;
}
void getMoreSections({required String langId, String? latitude, String? longitude}) async {
if (state is SectionFetchSuccess) {
try {
final result = await _sectionRepository.getSection(
langId: langId, latitude: latitude, longitude: longitude, limit: limitOfAPIData.toString(), offset: "0", sectionOffset: (state as SectionFetchSuccess).section.length.toString());
if (!result[ERROR]) {
List<FeatureSectionModel> updatedResults = (state as SectionFetchSuccess).section;
updatedResults.addAll(result['Section'] as List<FeatureSectionModel>);
emit(SectionFetchSuccess(section: updatedResults, totalCount: result[TOTAL], hasMoreFetchError: false, hasMore: updatedResults.length < result[TOTAL]));
} else {
emit(SectionFetchFailure(result[MESSAGE]));
}
} catch (e) {
emit(SectionFetchSuccess(
section: (state as SectionFetchSuccess).section, hasMoreFetchError: true, totalCount: (state as SectionFetchSuccess).totalCount, hasMore: (state as SectionFetchSuccess).hasMore));
}
}
}
}