112 lines
3.1 KiB
Dart
112 lines
3.1 KiB
Dart
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// ignore_for_file: public_member_api_docs, sort_constructors_first
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import 'package:ebroker/data/Repositories/project_repository.dart';
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import 'package:ebroker/data/model/data_output.dart';
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import 'package:ebroker/data/model/project_model.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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abstract class FetchProjectsState {}
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class FetchProjectsInitial extends FetchProjectsState {}
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class FetchProjectsInProgress extends FetchProjectsState {}
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class FetchProjectsSuccess extends FetchProjectsState {
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final List<ProjectModel> projects;
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final bool isLoadingMore;
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final bool hasError;
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final int offset;
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final int total;
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FetchProjectsSuccess({
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required this.projects,
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required this.isLoadingMore,
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required this.hasError,
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required this.offset,
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required this.total,
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});
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FetchProjectsSuccess copyWith({
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List<ProjectModel>? projects,
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bool? isLoadingMore,
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bool? hasError,
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int? offset,
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int? total,
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}) {
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return FetchProjectsSuccess(
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projects: projects ?? this.projects,
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isLoadingMore: isLoadingMore ?? this.isLoadingMore,
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hasError: hasError ?? this.hasError,
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offset: offset ?? this.offset,
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total: total ?? this.total,
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);
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}
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}
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class FetchProjectsFailure extends FetchProjectsState {
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final dynamic errorMessage;
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FetchProjectsFailure(this.errorMessage);
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}
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class FetchProjectsCubit extends Cubit<FetchProjectsState> {
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FetchProjectsCubit() : super(FetchProjectsInitial());
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final ProjectRepository _projectRepository = ProjectRepository();
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Future<void> fetchProjects() async {
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try {
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emit(FetchProjectsInProgress());
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DataOutput<ProjectModel> result =
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await _projectRepository.getProjects(offset: 0);
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emit(FetchProjectsSuccess(
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projects: result.modelList,
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offset: 0,
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isLoadingMore: false,
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total: result.total,
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hasError: false));
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} catch (e) {
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emit(FetchProjectsFailure(e));
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}
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}
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bool hasMore() {
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if (state is FetchProjectsSuccess) {
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return (state as FetchProjectsSuccess).projects.length <
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(state as FetchProjectsSuccess).total;
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}
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return false;
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}
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isProjectEmpty() {
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if (state is FetchProjectsSuccess) {
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return (state as FetchProjectsSuccess).projects.isEmpty;
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}
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return true;
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}
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fetchMoreProjects() async {
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if (state is FetchProjectsInProgress) {
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return;
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}
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try {
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if (state is FetchProjectsSuccess) {
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emit((state as FetchProjectsSuccess).copyWith(isLoadingMore: true));
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DataOutput<ProjectModel> result = await _projectRepository.getProjects(
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offset: (state as FetchProjectsSuccess).projects.length,
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);
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List<ProjectModel> projects = (state as FetchProjectsSuccess).projects;
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projects.addAll(result.modelList);
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emit(FetchProjectsSuccess(
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projects: projects,
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isLoadingMore: false,
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hasError: false,
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offset: projects.length,
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total: result.total));
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}
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} catch (e) {
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emit((state as FetchProjectsSuccess)
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.copyWith(isLoadingMore: false, hasError: true));
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}
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}
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}
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