2024-12-09 03:31:50 +04:00

44 lines
1.2 KiB
Dart

import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:pmu/data/repositories/cats_repository.dart';
import 'package:pmu/presentation/home_page/bloc/events.dart';
import 'package:pmu/presentation/home_page/bloc/state.dart';
import '../../../domain/models/home.dart';
class HomeBloc extends Bloc<HomeEvent, HomeState> {
final CatsRepository repo;
HomeBloc(this.repo) : super(const HomeState()) {
on<HomeLoadDataEvent>(_onLoadData);
}
Future<void> _onLoadData(HomeLoadDataEvent event, Emitter<HomeState> emit) async {
if (event.nextPage == 0) {
emit(state.copyWith(isLoading: true));
} else {
emit(state.copyWith(isPaginationLoading: true));
}
String? error;
final data = await repo.loadData(
q: event.search,
offset: event.nextPage ?? 0,
onError: (e) => error = e,
);
final updatedData = event.nextPage != null && data != null
? HomeData(
data: [...state.data?.data ?? [], ...data.data!],
nextPage: (event.nextPage! + 1),
)
: data;
emit(state.copyWith(
isLoading: false,
isPaginationLoading: false,
data: updatedData,
error: error,
));
}
}