96 lines
2.4 KiB
Dart
96 lines
2.4 KiB
Dart
import 'package:flutter_android_app/presentation/home_page/bloc/events.dart';
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import 'package:flutter_android_app/presentation/home_page/bloc/state.dart';
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import 'package:flutter_android_app/repositories/api_interface.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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class HomeBloc extends Bloc<HomeEvent, HomeState> {
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final ApiInterface repo;
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HomeBloc(this.repo) : super(const HomeState()) {
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on<HomeLoadDataEvent>(_onLoadData);
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on<HomeLoadFavouritesDataEvent>(_onLoadFavouritesData);
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}
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Future<void> _onLoadData(HomeLoadDataEvent event, Emitter<HomeState> emit) async {
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const int pageSize = 20;
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if (event.nextPage == null) {
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emit(state.copyWith(
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isLoading: true,
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error: 'NO_ERROR',
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));
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} else {
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emit(state.copyWith(isPaginationLoading: true));
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}
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String? error;
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final data = await repo.loadData(
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search: event.search,
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page: event.nextPage ?? 1,
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pageSize: pageSize,
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onError: (e) => error = e,
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locale: event.locale,
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currencyId: event.currencyId,
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);
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bool isLastPage = false;
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if (data?.data != null && data!.data!.length < pageSize) {
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isLastPage = true;
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}
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if (event.nextPage != null) {
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data?.data?.insertAll(0, state.data?.data ?? []);
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}
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emit(state.copyWith(
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isLoading: false,
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isPaginationLoading: false,
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data: data,
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error: error,
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isAllPagesLoaded: isLastPage,
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));
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}
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Future<void> _onLoadFavouritesData(HomeLoadFavouritesDataEvent event, Emitter<HomeState> emit) async {
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const int pageSize = 10;
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if (event.nextPage == null) {
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emit(state.copyWith(
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isLoading: true,
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error: 'NO_ERROR',
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));
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} else {
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emit(state.copyWith(isPaginationLoading: true));
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}
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String? error;
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final data = await repo.loadDataWithIds(
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ids: event.ids ?? [],
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page: event.nextPage ?? 1,
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pageSize: pageSize,
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onError: (e) => error = e,
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locale: event.locale,
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currencyId: event.currencyId,
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);
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bool isLastPage = false;
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if (data?.data != null && data!.data!.length < pageSize) {
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isLastPage = true;
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}
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if (event.nextPage != null) {
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data?.data?.insertAll(0, state.data?.data ?? []);
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}
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emit(state.copyWith(
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isLoading: false,
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isPaginationLoading: false,
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data: data,
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error: error,
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isAllPagesLoaded: isLastPage,
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));
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}
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}
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