PIbd-31-Makarov-DV-MobilePr.../lib/views/home_page/bloc/bloc.dart

41 lines
1.1 KiB
Dart

import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_project/data/repositories/anime_repository.dart';
import 'package:flutter_project/views/home_page/bloc/events.dart';
import 'package:flutter_project/views/home_page/bloc/state.dart';
class HomeBloc extends Bloc<HomeEvent, HomeState> {
final AnimeRepository repo;
HomeBloc(this.repo) : super(const HomeState()) {
on<HomeLoadDataEvent>(_onLoadData);
}
Future<void> _onLoadData(
HomeLoadDataEvent event, Emitter<HomeState> emit) async {
if (event.hasError != null && event.hasError == true) {
emit(state.copyWith(error: null));
}
if (event.nextPage == null) {
emit(state.copyWith(isLoading: true));
} else {
emit(state.copyWith(isPaginationLoading: true));
}
String? error;
final data = await repo.loadData(
q: event.search, page: event.nextPage ?? 1, onError: (e) => error = e);
if (event.nextPage != null) {
data?.data?.insertAll(0, state.data?.data ?? []);
}
emit(state.copyWith(
data: data,
isLoading: false,
isPaginationLoading: false,
error: error));
}
}