ProductListBloc

import 'package:bloc/bloc.dart';
import 'package:equatable/equatable.dart';
import 'package:module_category/domain/entities/category_product_list.dart';
import 'package:module_category/domain/usecases/get_category_product_list.dart';
import 'package:module_category/domain/usecases/get_category_product_list_sorting.dart';
import 'package:module_core/common/state_enum.dart';

part 'category_product_list_event.dart';
part 'category_product_list_state.dart';

class CategoryProductListBloc
    extends Bloc<CategoryProductListEvent, CategoryProductListState> {
  final GetCategoryProductList _getCategoryProductList;
  final GetCategoryProductListSorting _getCategoryProductListSorting;
  CategoryProductListBloc(
      this._getCategoryProductList, this._getCategoryProductListSorting)
      : super(CategoryProductListState.initial()) {
    on<FetchCategoryProductList>(
      (event, emit) async {
        final slug = event.slug;
        emit(state.copyWith(state: RequestState.Loading));
        final result = await _getCategoryProductList.execute(slug);

        result.fold(
          (failure) => emit(state.copyWith(
              state: RequestState.Error, errorMessage: failure.message)),
          (categoryProductList) {
            emit(state.copyWith(
                state: RequestState.Loaded, data: categoryProductList));
            if (categoryProductList.response.data.isEmpty) {
              emit(state.copyWith(
                  state: RequestState.Empty,
                  errorMessage: 'Empty Category Product'));
            }
          },
        );
      },
    );
    on<FetchCategoryProductListSorting>(
      (event, emit) async {
        final slug = event.slug;
        final sort = event.sort;
        emit(state.copyWith(state: RequestState.Loading));
        final result = await _getCategoryProductListSorting.execute(slug, sort);

        result.fold(
          (failure) => emit(state.copyWith(
              state: RequestState.Error, errorMessage: failure.message)),
          (categoryProductList) {
            emit(state.copyWith(
                state: RequestState.Loaded, data: categoryProductList));
            if (categoryProductList.response.data.isEmpty) {
              emit(state.copyWith(
                  state: RequestState.Empty,
                  errorMessage: 'Empty Category Product'));
            }
          },
        );
      },
    );
  }
}