40 lines
1.1 KiB
Dart
40 lines
1.1 KiB
Dart
import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:mobiles_labs_5th_semester/data/repositories/games_repository.dart';
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import 'events.dart';
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import 'state.dart';
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class HomeBloc extends Bloc<HomeEvent, HomeState> {
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final GamesRepository repo;
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//связывание метода с конкретным событием в конструкторе
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HomeBloc(this.repo) : super (const HomeState()) {
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on<HomeLoadDataEvent>(_onLoadData);
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}
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//Emitter - генератор событий
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Future<void> _onLoadData(HomeLoadDataEvent event, Emitter<HomeState> emit) async{
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if (event.nextPage == null) {
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emit(state.copyWith(isLoading: true));
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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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q: event.search,
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page: event.nextPage ?? 1,
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onError: (e) => error = e
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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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data: data,
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isLoading: false,
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isPaginationLoading: false,
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error: error
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));
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}
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} |