336 lines
14 KiB
Dart
336 lines
14 KiB
Dart
import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:news/app/routes.dart';
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import 'package:news/cubits/appLocalizationCubit.dart';
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import 'package:news/cubits/categoryCubit.dart';
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import 'package:news/cubits/rssFeedCubit.dart';
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import 'package:news/data/models/CategoryModel.dart';
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import 'package:news/data/models/RSSFeedModel.dart';
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import 'package:news/ui/screens/AddEditNews/Widgets/customBottomsheet.dart';
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import 'package:news/ui/screens/auth/Widgets/svgPictureWidget.dart';
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import 'package:news/ui/styles/colors.dart';
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import 'package:news/ui/widgets/customTextLabel.dart';
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import 'package:news/ui/widgets/errorContainerWidget.dart';
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import 'package:news/utils/ErrorMessageKeys.dart';
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import 'package:news/utils/internetConnectivity.dart';
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import 'package:news/utils/uiUtils.dart';
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class RSSFeedScreen extends StatefulWidget {
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@override
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RSSFeedScreenState createState() => RSSFeedScreenState();
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}
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class RSSFeedScreenState extends State<RSSFeedScreen> {
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final Set<String> selectedTopics = {};
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final Random random = Random();
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late final ScrollController _controller = ScrollController()..addListener(hasMoreRssFeedScrollListener);
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String? catSel = "", subCatSel = "", subCatSelId, catSelId;
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int? catIndex, subCatIndex;
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bool isFilter = true, showSubcat = false;
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@override
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void initState() {
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super.initState();
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getRSSFeed();
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}
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setAppBar() {
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return PreferredSize(
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preferredSize: const Size(double.infinity, 52),
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child: UiUtils.applyBoxShadow(
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context: context,
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child: Padding(
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padding: EdgeInsetsDirectional.only(top: MediaQuery.of(context).padding.top + 10.0, start: 25, end: 25, bottom: 15),
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child: Row(children: [
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CustomTextLabel(
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text: 'rssFeed',
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textStyle: Theme.of(context).textTheme.titleLarge?.copyWith(color: UiUtils.getColorScheme(context).primaryContainer, fontWeight: FontWeight.w600, letterSpacing: 0.5),
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),
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Spacer(),
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GestureDetector(child: Icon(Icons.filter_list_rounded), onTap: () => setCategorySubcategoryFilter(context))
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]),
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)));
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}
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setCategorySubcategoryFilter(BuildContext context) {
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showModalBottomSheet<dynamic>(
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context: context,
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elevation: 5.0,
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isScrollControlled: true,
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shape: const RoundedRectangleBorder(borderRadius: BorderRadius.only(topLeft: Radius.circular(50), topRight: Radius.circular(50))),
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builder: (BuildContext context) {
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return StatefulBuilder(builder: (context, setBottomSheetState) {
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return Container(
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height: MediaQuery.of(context).size.height * 0.35,
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padding: const EdgeInsets.only(top: 10.0, bottom: 5, left: 10, right: 10),
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child: Column(children: [
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titleWithDropdownButton(),
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const SizedBox(height: 5),
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(isFilter) ? setCategoryFilter(setBottomSheetState) : SizedBox.shrink(),
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(isFilter) ? setSubCategoryFilter(setBottomSheetState) : SizedBox.shrink(),
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]));
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});
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});
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}
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void getRSSFeed() async {
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if (await InternetConnectivity.isNetworkAvailable()) {
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Future.delayed(Duration.zero, () {
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context.read<RSSFeedCubit>().getRSSFeed(langId: context.read<AppLocalizationCubit>().state.id, categoryId: catSelId, subCategoryId: subCatSelId);
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});
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}
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}
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void hasMoreRssFeedScrollListener() {
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if (_controller.position.maxScrollExtent == _controller.offset) {
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if (context.read<RSSFeedCubit>().hasMoreRSSFeed()) {
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context.read<RSSFeedCubit>().getMoreRSSFeed(langId: context.read<AppLocalizationCubit>().state.id);
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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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_controller.dispose();
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super.dispose();
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}
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Widget titleWithDropdownButton() {
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return InkWell(
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onTap: () {
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isFilter = !isFilter;
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setState(() {});
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},
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child: Container(
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width: double.maxFinite,
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alignment: Alignment.topLeft,
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padding: const EdgeInsets.symmetric(horizontal: 25, vertical: 15),
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child: Row(
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children: [
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CustomTextLabel(text: 'FilterBy', textStyle: Theme.of(context).textTheme.titleMedium!.copyWith(fontWeight: FontWeight.bold, color: UiUtils.getColorScheme(context).primaryContainer)),
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Spacer(),
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if (catSelId != null || subCatSelId != null) (isFilter) ? clearFilterButton() : SizedBox.shrink(),
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],
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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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return Scaffold(
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appBar: setAppBar(),
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body: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: BlocBuilder<RSSFeedCubit, RSSFeedState>(
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builder: (context, state) {
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if (state is RSSFeedFetchSuccess) {
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return RefreshIndicator(
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onRefresh: () async {
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getRSSFeed();
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},
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child: ListView.builder(
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padding: EdgeInsets.only(top: 15),
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itemCount: state.RSSFeed.length,
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controller: _controller,
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itemBuilder: (context, index) {
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return Container(
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alignment: Alignment.center,
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margin: EdgeInsets.symmetric(vertical: 5),
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child: buildRSSFeedItem(state.RSSFeed[index], index, state.RSSFeed.length, state.hasMoreFetchError, state.hasMore));
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}),
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);
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}
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if (state is RSSFeedFetchFailure) {
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return ErrorContainerWidget(
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errorMsg: (state.errorMessage.contains(ErrorMessageKeys.noInternet)) ? UiUtils.getTranslatedLabel(context, 'internetmsg') : state.errorMessage,
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onRetry: getRSSFeed); //Add category & subcategory id if selected
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}
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if (state is RSSFeedFetchInProgress || state is RSSFeedInitial) {
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return Center(child: UiUtils.showCircularProgress(true, Theme.of(context).primaryColor));
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}
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return SizedBox.shrink();
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},
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),
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),
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);
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}
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Widget buildRSSFeedItem(RSSFeedModel feed, int index, int totalCurrentFeeds, bool hasMoreFeedsFetchError, bool hasMore) {
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if (index == totalCurrentFeeds - 1 && index != 0) {
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if (hasMore) {
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if (hasMoreFeedsFetchError) {
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return const SizedBox.shrink();
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} else {
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return Center(child: Padding(padding: const EdgeInsets.symmetric(horizontal: 15.0, vertical: 8.0), child: UiUtils.showCircularProgress(true, Theme.of(context).primaryColor)));
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}
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}
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}
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return GestureDetector(
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onTap: () async {
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Navigator.of(context).pushNamed(Routes.rssFeedDetails, arguments: {"feedUrl": feed.feedUrl});
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},
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child: Container(
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height: MediaQuery.of(context).size.height * 0.08,
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decoration: BoxDecoration(borderRadius: BorderRadius.all(Radius.circular(10)), border: Border.all(color: borderColor.withAlpha((0.3 * 255).round()))),
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Row(crossAxisAlignment: CrossAxisAlignment.start, children: [
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Center(child: SvgPictureWidget(assetName: 'rss_feed', height: 20, width: 10, fit: BoxFit.fill)),
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const SizedBox(width: 12),
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Expanded(
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child: Align(
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alignment: Alignment.centerLeft,
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child: Text(feed.feedName!,
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maxLines: 3,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(color: UiUtils.getColorScheme(context).primaryContainer, fontWeight: FontWeight.bold, fontSize: 16),
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textAlign: TextAlign.start),
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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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}
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Widget setCategoryFilter(void Function(void Function()) setStater) {
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return BlocConsumer<CategoryCubit, CategoryState>(listener: (context, state) {
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if (catSel != "") catIndex = context.read<CategoryCubit>().getCategoryIndex(categoryName: catSel!);
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}, builder: (context, state) {
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if (state is CategoryFetchSuccess) {
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return Padding(
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padding: EdgeInsets.symmetric(vertical: 5),
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child: InkWell(
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onTap: () => showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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backgroundColor: Colors.transparent,
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builder: (BuildContext context) {
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return CustomBottomsheet(
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context: context,
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titleTxt: 'selCatLbl',
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language_id: context.read<AppLocalizationCubit>().state.id,
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listLength: context.read<CategoryCubit>().getCatList().length,
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listViewChild: (context, index) {
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return catListItem(index, context.read<CategoryCubit>().getCatList(), setStater);
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});
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}),
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child: UiUtils.setRowWithContainer(
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context: context,
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firstChild: CustomTextLabel(
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text: (catSel == "" || catSel == null) ? 'catLbl' : catSel!,
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textStyle: Theme.of(context)
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.textTheme
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.titleMedium!
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.copyWith(color: catSel == "" ? UiUtils.getColorScheme(context).primaryContainer.withOpacity(0.6) : UiUtils.getColorScheme(context).primaryContainer)),
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isContentTypeUpload: false),
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),
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);
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}
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return SizedBox.shrink();
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});
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}
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Widget catListItem(int index, List<CategoryModel> catList, void Function(void Function()) setStater) {
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return Padding(
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padding: EdgeInsets.only(top: 10.0),
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child: InkWell(
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onTap: () {
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setState(() {
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subCatSel = "";
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subCatSelId = null;
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catSel = catList[index].categoryName!;
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catIndex = index;
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catSelId = catList[index].id!;
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showSubcat = true;
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});
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setStater(() {});
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getRSSFeed();
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Navigator.pop(context);
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},
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child: UiUtils.setBottomsheetContainer(entryId: catSelId ?? "0", listItem: catList[index].categoryName!, compareTo: catList[index].id!, context: context),
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),
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);
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}
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Widget subCatListItem(int index, List<CategoryModel> catList, void Function(void Function()) setStater) {
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return Padding(
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padding: EdgeInsets.only(top: 10.0),
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child: InkWell(
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onTap: () {
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setState(() {
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subCatSel = catList[catIndex!].subData![index].subCatName!;
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subCatSelId = catList[catIndex!].subData![index].id!;
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});
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setStater(() {});
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getRSSFeed();
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Navigator.pop(context);
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},
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child: UiUtils.setBottomsheetContainer(
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entryId: subCatSelId ?? "0", listItem: catList[catIndex!].subData![index].subCatName!, compareTo: catList[catIndex!].subData![index].id!, context: context)),
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);
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}
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Widget setSubCategoryFilter(void Function(void Function()) setStater) {
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if ((catSel != "" && catSel != null) &&
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(catIndex != null) &&
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(!catIndex!.isNegative && context.read<CategoryCubit>().getCatList().isNotEmpty) &&
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(context.read<CategoryCubit>().getCatList()[catIndex!].subData!.isNotEmpty)) {
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return BlocBuilder<CategoryCubit, CategoryState>(
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builder: (context, state) {
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return Padding(
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padding: EdgeInsets.symmetric(vertical: 5),
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child: InkWell(
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onTap: () => showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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backgroundColor: Colors.transparent,
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builder: (BuildContext context) {
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return CustomBottomsheet(
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context: context,
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titleTxt: 'selSubCatLbl',
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language_id: context.read<AppLocalizationCubit>().state.id,
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listLength: context.read<CategoryCubit>().getCatList()[catIndex!].subData!.length,
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listViewChild: (context, index) => subCatListItem(index, context.read<CategoryCubit>().getCatList(), setStater));
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}),
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child: UiUtils.setRowWithContainer(
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context: context,
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firstChild: CustomTextLabel(
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text: (subCatSel == "" || subCatSel == null) ? 'subcatLbl' : subCatSel!,
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textStyle: Theme.of(context)
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.textTheme
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.titleMedium!
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.copyWith(color: subCatSel == "" ? UiUtils.getColorScheme(context).primaryContainer.withOpacity(0.6) : UiUtils.getColorScheme(context).primaryContainer)),
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isContentTypeUpload: false),
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),
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);
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},
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);
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} else {
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return const SizedBox.shrink();
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}
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}
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Widget clearFilterButton() {
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return Center(
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child: TextButton(
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onPressed: () {
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setState(() {
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catSelId = null;
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catSel = null;
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subCatSelId = null;
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subCatSel = null;
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showSubcat = false;
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});
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getRSSFeed(); //call API without Ids
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Navigator.of(context).pop();
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},
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child: CustomTextLabel(
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text: 'clearFilter',
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textStyle: TextStyle(decoration: TextDecoration.underline, decorationThickness: 2),
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)));
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}
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}
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