forked from eatvio/eatvio_app
125 lines
5.4 KiB
Dart
125 lines
5.4 KiB
Dart
import 'package:eatvio_app/core/theme/custom_text_style.dart';
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import 'package:eatvio_app/core/theme/theme_helper.dart';
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import 'package:eatvio_app/core/widgets/custom_divider.dart';
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import 'package:eatvio_app/core/widgets/custom_outlined_button.dart';
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import 'package:eatvio_app/core/widgets/loader.dart';
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import 'package:eatvio_app/features/notifications/presentation/notifications_cubit/notifications_cubit.dart';
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import 'package:eatvio_app/features/notifications/presentation/notifications_cubit/notifications_state.dart';
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import 'package:eatvio_app/features/notifications/presentation/widgets/notification_widget.dart';
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import 'package:eatvio_app/generated/l10n.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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class NotificationsScreen extends StatefulWidget {
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const NotificationsScreen({super.key});
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@override
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State<NotificationsScreen> createState() => _NotificationsScreenState();
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}
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class _NotificationsScreenState extends State<NotificationsScreen> {
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final ScrollController _scrollController = ScrollController();
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@override
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void initState() {
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super.initState();
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_scrollController.addListener(_onScroll);
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// Инициализация NotificationsCubit при первом открытии экрана
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WidgetsBinding.instance.addPostFrameCallback((_) {
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final cubit = context.read<NotificationsCubit>();
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final state = cubit.state;
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if (state is! NotificationsStateLoaded && state is! NotificationsStateError) {
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cubit.getNotifications();
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}
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});
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}
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@override
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void dispose() {
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_scrollController.dispose();
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super.dispose();
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}
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void _onScroll() {
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if (_scrollController.position.pixels >= _scrollController.position.maxScrollExtent - 200) {
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final cubit = context.read<NotificationsCubit>();
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final state = cubit.state;
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if (state is NotificationsStateLoaded && state.hasNextPage && !state.isLoadingMore) {
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cubit.loadMoreNotifications();
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}
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}
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}
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@override
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Widget build(BuildContext context) {
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final s = S.of(context);
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return BlocBuilder<NotificationsCubit, NotificationsState>(
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builder: (BuildContext context, NotificationsState state) {
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return Scaffold(
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backgroundColor: appTheme.gray100,
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appBar: AppBar(title: const Text('Уведомления')),
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body: state is NotificationsStateLoaded
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? Stack(
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children: [
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Padding(
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padding: const EdgeInsets.only(top: 8.0),
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child: Container(
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padding: const EdgeInsets.only(top: 16),
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decoration: BoxDecoration(
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color: appTheme.whiteA700,
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borderRadius: const BorderRadius.only(topLeft: Radius.circular(12), topRight: Radius.circular(12)),
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),
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child: state.isLoading
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? const Center(child: Loader())
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: CustomScrollView(
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controller: _scrollController,
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slivers: [
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SliverList.separated(
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separatorBuilder: (context, index) =>
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const Padding(padding: EdgeInsets.symmetric(vertical: 12, horizontal: 16), child: CustomDivider()),
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itemBuilder: (context, index) {
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: NotificationWidget(notification: state.notifications[index]),
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);
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},
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itemCount: state.notifications.length,
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),
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if (state.isLoadingMore)
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const SliverToBoxAdapter(
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child: Padding(
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padding: EdgeInsets.all(16.0),
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child: Center(child: Loader()),
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),
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),
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],
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),
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),
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),
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Align(
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alignment: Alignment.bottomCenter,
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child: Padding(
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padding: const EdgeInsets.only(left: 16, right: 16, bottom: 16),
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child: CustomOutlinedButton(
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text: s.markAsRead,
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height: 52,
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buttonTextStyle: TextStyles.textMSemibold.copyWith(color: appTheme.whiteA700),
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buttonStyle: ButtonStyle(
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side: const WidgetStatePropertyAll(BorderSide.none),
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backgroundColor: WidgetStatePropertyAll(appTheme.blueA400),
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),
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onPressed: () async {
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context.read<NotificationsCubit>().markNotificationsAsRead();
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},
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),
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),
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),
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],
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)
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: const SizedBox(),
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);
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},
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);
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}
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}
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