News aggregator module #345
+8,662
−1,252
Create top tab view for each news feed category and create correspond…
…ing widgets
commit c8fbbee2aa062fa2deb76c0ca68ade5ccb025275
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:intl/intl.dart'; | ||
| import 'package:provider/provider.dart'; | ||
|
|
||
| import '../../../generated/l10n.dart'; | ||
| import '../../../widgets/error_page.dart'; | ||
| import '../../../widgets/scaffold.dart'; | ||
| import '../model/news_feed_item.dart'; | ||
| import '../service/news_provider.dart'; | ||
| import 'news_item_details_page.dart'; | ||
|
|
||
| class NewsFeedFavoritePage extends StatefulWidget { | ||
| const NewsFeedFavoritePage({final Key key}) : super(key: key); | ||
|
|
||
| @override | ||
| _NewsFeedFavoritePageState createState() => _NewsFeedFavoritePageState(); | ||
| } | ||
|
|
||
| class _NewsFeedFavoritePageState extends State<NewsFeedFavoritePage> { | ||
| String _formatDate(final String date) { | ||
| final DateTime dateTime = DateTime.parse(date); | ||
| return DateFormat('yyyy-MM-dd').format(dateTime); | ||
| } | ||
|
|
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| @override | ||
| Widget build(final BuildContext context) { | ||
| final newsFeedProvider = Provider.of<NewsProvider>(context); | ||
|
|
||
| return FutureBuilder( | ||
| future: newsFeedProvider.fetchFavoriteNewsFeedItems(), | ||
| builder: (final _, final snapshot) { | ||
| if (snapshot.connectionState != ConnectionState.done) { | ||
| return const Center(child: CircularProgressIndicator()); | ||
| } | ||
|
|
||
| final List<NewsFeedItem> newsFeedItems = snapshot.data; | ||
| if (newsFeedItems == null) { | ||
| return ErrorPage( | ||
| errorMessage: S.current.warningUnableToReachNewsFeed, | ||
| info: [TextSpan(text: S.current.warningInternetConnection)], | ||
| actionText: S.current.actionRefresh, | ||
| actionOnTap: () => setState(() {}), | ||
| ); | ||
| } else if (newsFeedItems.isEmpty) { | ||
| return ErrorPage( | ||
| imgPath: 'assets/illustrations/undraw_empty.png', | ||
| errorMessage: S.current.warningNoNews, | ||
| ); | ||
| } | ||
|
|
||
| return ListView( | ||
| children: ListTile.divideTiles( | ||
| context: context, | ||
| tiles: newsFeedItems | ||
| .map( | ||
| (final item) => ListTile( | ||
| title: Text(item.title), | ||
| subtitle: Text(_formatDate(item.createdAt)), | ||
| trailing: const Icon(Icons.arrow_forward_ios_outlined), | ||
| onTap: () => Navigator.push( | ||
| context, | ||
| MaterialPageRoute<Map<dynamic, dynamic>>( | ||
| builder: (final context) => | ||
| NewsItemDetailsPage(newsItemGuid: item.itemGuid), | ||
| ), | ||
| ), | ||
| dense: true, | ||
| ), | ||
| ) | ||
| .toList(), | ||
| ).toList()); | ||
| }, | ||
| ); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:intl/intl.dart'; | ||
| import 'package:provider/provider.dart'; | ||
|
|
||
| import '../../../generated/l10n.dart'; | ||
| import '../../../widgets/error_page.dart'; | ||
| import '../../../widgets/scaffold.dart'; | ||
| import '../model/news_feed_item.dart'; | ||
| import '../service/news_provider.dart'; | ||
| import 'news_item_details_page.dart'; | ||
|
|
||
| class NewsFeedPersonalPage extends StatefulWidget { | ||
| const NewsFeedPersonalPage({final Key key}) : super(key: key); | ||
|
|
||
| @override | ||
| _NewsFeedPersonalPageState createState() => _NewsFeedPersonalPageState(); | ||
| } | ||
|
|
||
| class _NewsFeedPersonalPageState extends State<NewsFeedPersonalPage> { | ||
| String _formatDate(final String date) { | ||
| final DateTime dateTime = DateTime.parse(date); | ||
| return DateFormat('yyyy-MM-dd').format(dateTime); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(final BuildContext context) { | ||
| final newsFeedProvider = Provider.of<NewsProvider>(context); | ||
|
|
||
| return FutureBuilder( | ||
| future: newsFeedProvider.fetchPersonalNewsFeedItem(), | ||
| builder: (final _, final snapshot) { | ||
| if (snapshot.connectionState != ConnectionState.done) { | ||
| return const Center(child: CircularProgressIndicator()); | ||
| } | ||
|
|
||
| final List<NewsFeedItem> newsFeedItems = snapshot.data; | ||
| if (newsFeedItems == null) { | ||
| return ErrorPage( | ||
| errorMessage: S.current.warningUnableToReachNewsFeed, | ||
| info: [TextSpan(text: S.current.warningInternetConnection)], | ||
| actionText: S.current.actionRefresh, | ||
| actionOnTap: () => setState(() {}), | ||
| ); | ||
| } else if (newsFeedItems.isEmpty) { | ||
| return ErrorPage( | ||
| imgPath: 'assets/illustrations/undraw_empty.png', | ||
| errorMessage: S.current.warningNoNews, | ||
| ); | ||
| } | ||
|
|
||
| return ListView( | ||
| children: ListTile.divideTiles( | ||
| context: context, | ||
| tiles: newsFeedItems | ||
| .map( | ||
| (final item) => ListTile( | ||
| title: Text(item.title), | ||
| subtitle: Text(_formatDate(item.createdAt)), | ||
| trailing: const Icon(Icons.arrow_forward_ios_outlined), | ||
| onTap: () => Navigator.push( | ||
| context, | ||
| MaterialPageRoute<Map<dynamic, dynamic>>( | ||
| builder: (final context) => | ||
| NewsItemDetailsPage(newsItemGuid: item.itemGuid), | ||
| ), | ||
| ), | ||
| dense: true, | ||
| ), | ||
| ) | ||
| .toList(), | ||
| ).toList()); | ||
| }, | ||
| ); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:provider/provider.dart'; | ||
|
|
||
| import '../../../authentication/service/auth_provider.dart'; | ||
| import '../../../generated/l10n.dart'; | ||
| import '../../../widgets/scaffold.dart'; | ||
| import '../../settings/view/source_page.dart'; | ||
| import 'news_feed_favorite_page.dart'; | ||
| import 'news_feed_page.dart'; | ||
| import 'news_feed_personal_page.dart'; | ||
|
|
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| class NewsNavigationBar extends StatefulWidget { | ||
| const NewsNavigationBar({this.tabIndex = 0}); | ||
|
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| static const String routeName = '/news_feed'; | ||
| final int tabIndex; | ||
|
|
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| @override | ||
| _NewsNavigationBarState createState() => _NewsNavigationBarState(); | ||
| } | ||
|
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| class _NewsNavigationBarState extends State<NewsNavigationBar> | ||
| with TickerProviderStateMixin { | ||
| int currentTab = 0; | ||
| List<Widget> tabs; | ||
| TabController tabController; | ||
| final PageStorageBucket bucket = PageStorageBucket(); | ||
|
|
||
| @override | ||
| void initState() { | ||
| super.initState(); | ||
| tabController = TabController(vsync: this, length: 3); | ||
| tabController.addListener(() { | ||
| if (!tabController.indexIsChanging) { | ||
| setState(() { | ||
| currentTab = tabController.index; | ||
| }); | ||
| } | ||
| }); | ||
| tabs = [ | ||
| const NewsFeedPage(key: PageStorageKey('NewsFeed')), | ||
| const NewsFeedFavoritePage(key: PageStorageKey('NeqSnawsFeedFavorite')), | ||
| const NewsFeedPersonalPage(key: PageStorageKey('NewsFeedPersonal')), | ||
| ]; | ||
|
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||
| // Show "Select sources" page if user has no preference set | ||
| final authProvider = Provider.of<AuthProvider>(context, listen: false); | ||
| if (!authProvider.isAnonymous) { | ||
| authProvider.currentUser.then((final user) { | ||
| if (user?.sources?.isEmpty ?? true) { | ||
| Navigator.of(context).push(MaterialPageRoute<SourcePage>( | ||
| builder: (final context) => SourcePage())); | ||
| } | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| @override | ||
| void dispose() { | ||
| tabController.dispose(); | ||
| super.dispose(); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(final BuildContext context) { | ||
| return DefaultTabController( | ||
| length: tabs.length, | ||
| initialIndex: widget.tabIndex, | ||
| child: AppScaffold( | ||
| title: const Text('News feed'), | ||
| body: PageStorage( | ||
| child: TabBarView(controller: tabController, children: tabs), | ||
| bucket: bucket, | ||
| ), | ||
| appBarBottom: newsNavigationBar(context), | ||
| ), | ||
| ); | ||
| } | ||
|
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| Widget newsNavigationBar(final BuildContext context) => TabBar( | ||
| controller: tabController, | ||
| tabs: [ | ||
| const Tab(text: 'News'), | ||
| const Tab(text: 'Favorites'), | ||
| const Tab(text: 'Personal'), | ||
| ], | ||
| labelColor: Colors.white, | ||
| unselectedLabelColor: Theme.of(context).unselectedWidgetColor, | ||
| indicatorColor: Colors.white, | ||
| ); | ||
| } |
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