elCaribe app - customization and branding

news-app/lib/cubits/locationCityCubit.dart

@@ -0,0 +1,73 @@
+import 'package:news/utils/api.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:news/data/models/locationCityModel.dart';
+import 'package:news/utils/constant.dart';
+import 'package:news/utils/strings.dart';
+
+abstract class LocationCityState {}
+
+class LocationCityInitial extends LocationCityState {}
+
+class LocationCityFetchInProgress extends LocationCityState {}
+
+class LocationCityFetchSuccess extends LocationCityState {
+  final List<LocationCityModel> locationCity;
+  final int totalLocations;
+  final bool hasMoreFetchError;
+  final bool hasMore;
+
+  LocationCityFetchSuccess({required this.locationCity, required this.totalLocations, required this.hasMoreFetchError, required this.hasMore});
+}
+
+class LocationCityFetchFailure extends LocationCityState {
+  final String errorMessage;
+
+  LocationCityFetchFailure(this.errorMessage);
+}
+
+class LocationCityCubit extends Cubit<LocationCityState> {
+  LocationCityCubit() : super(LocationCityInitial());
+
+  void getLocationCity() async {
+    try {
+      final result = await Api.sendApiRequest(body: {LIMIT: limitOfAPIData, OFFSET: 0}, url: Api.getLocationCityApi);
+      emit(LocationCityFetchSuccess(
+          totalLocations: result[TOTAL],
+          locationCity: (result[DATA] as List).map((e) => LocationCityModel.fromJson(e)).toList(),
+          hasMore: (result[DATA] as List).map((e) => LocationCityModel.fromJson(e)).toList().length < result[TOTAL],
+          hasMoreFetchError: false));
+    } catch (e) {
+      emit(LocationCityFetchFailure(e.toString()));
+    }
+  }
+
+  void getMoreLocationCity() async {
+    if (state is LocationCityFetchSuccess) {
+      try {
+        await Api.sendApiRequest(body: {LIMIT: limitOfAPIData, OFFSET: (state as LocationCityFetchSuccess).locationCity.length.toString()}, url: Api.getLocationCityApi).then((value) {
+          List<LocationCityModel> updatedResults = (state as LocationCityFetchSuccess).locationCity;
+          updatedResults.addAll((value[DATA] as List).map((e) => LocationCityModel.fromJson(e)).toList());
+          emit(LocationCityFetchSuccess(locationCity: updatedResults, totalLocations: value[TOTAL], hasMoreFetchError: false, hasMore: updatedResults.length < value[TOTAL]));
+        });
+      } catch (e) {
+        emit(LocationCityFetchSuccess(
+            locationCity: (state as LocationCityFetchSuccess).locationCity,
+            totalLocations: (state as LocationCityFetchSuccess).totalLocations,
+            hasMoreFetchError: true,
+            hasMore: (state as LocationCityFetchSuccess).hasMore));
+      }
+    }
+  }
+
+  bool hasMoreLocation() {
+    return (state is LocationCityFetchSuccess) ? (state as LocationCityFetchSuccess).hasMore : false;
+  }
+
+  List<LocationCityModel> getLocationCityList() {
+    return (state is LocationCityFetchSuccess) ? (state as LocationCityFetchSuccess).locationCity : [];
+  }
+
+  int getLocationIndex({required String locationName}) {
+    return (state is LocationCityFetchSuccess) ? (state as LocationCityFetchSuccess).locationCity.indexWhere((element) => element.locationName == locationName) : 0;
+  }
+}