74 lines
3.0 KiB
Dart
74 lines
3.0 KiB
Dart
import 'package:news/utils/api.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:news/data/models/locationCityModel.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 LocationCityState {}
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class LocationCityInitial extends LocationCityState {}
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class LocationCityFetchInProgress extends LocationCityState {}
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class LocationCityFetchSuccess extends LocationCityState {
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final List<LocationCityModel> locationCity;
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final int totalLocations;
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final bool hasMoreFetchError;
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final bool hasMore;
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LocationCityFetchSuccess({required this.locationCity, required this.totalLocations, required this.hasMoreFetchError, required this.hasMore});
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}
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class LocationCityFetchFailure extends LocationCityState {
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final String errorMessage;
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LocationCityFetchFailure(this.errorMessage);
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}
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class LocationCityCubit extends Cubit<LocationCityState> {
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LocationCityCubit() : super(LocationCityInitial());
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void getLocationCity() async {
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try {
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final result = await Api.sendApiRequest(body: {LIMIT: limitOfAPIData, OFFSET: 0}, url: Api.getLocationCityApi);
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emit(LocationCityFetchSuccess(
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totalLocations: result[TOTAL],
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locationCity: (result[DATA] as List).map((e) => LocationCityModel.fromJson(e)).toList(),
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hasMore: (result[DATA] as List).map((e) => LocationCityModel.fromJson(e)).toList().length < result[TOTAL],
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hasMoreFetchError: false));
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} catch (e) {
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emit(LocationCityFetchFailure(e.toString()));
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}
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}
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void getMoreLocationCity() async {
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if (state is LocationCityFetchSuccess) {
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try {
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await Api.sendApiRequest(body: {LIMIT: limitOfAPIData, OFFSET: (state as LocationCityFetchSuccess).locationCity.length.toString()}, url: Api.getLocationCityApi).then((value) {
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List<LocationCityModel> updatedResults = (state as LocationCityFetchSuccess).locationCity;
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updatedResults.addAll((value[DATA] as List).map((e) => LocationCityModel.fromJson(e)).toList());
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emit(LocationCityFetchSuccess(locationCity: updatedResults, totalLocations: value[TOTAL], hasMoreFetchError: false, hasMore: updatedResults.length < value[TOTAL]));
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});
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} catch (e) {
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emit(LocationCityFetchSuccess(
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locationCity: (state as LocationCityFetchSuccess).locationCity,
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totalLocations: (state as LocationCityFetchSuccess).totalLocations,
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hasMoreFetchError: true,
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hasMore: (state as LocationCityFetchSuccess).hasMore));
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}
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}
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}
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bool hasMoreLocation() {
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return (state is LocationCityFetchSuccess) ? (state as LocationCityFetchSuccess).hasMore : false;
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}
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List<LocationCityModel> getLocationCityList() {
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return (state is LocationCityFetchSuccess) ? (state as LocationCityFetchSuccess).locationCity : [];
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}
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int getLocationIndex({required String locationName}) {
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return (state is LocationCityFetchSuccess) ? (state as LocationCityFetchSuccess).locationCity.indexWhere((element) => element.locationName == locationName) : 0;
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}
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}
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