import 'package:flutter/material.dart'; import 'package:get/get.dart'; import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart'; import 'package:solian/models/pagination.dart'; import 'package:solian/models/post.dart'; import 'package:solian/providers/auth.dart'; import 'package:solian/providers/content/post.dart'; import 'package:solian/router.dart'; import 'package:solian/screens/account/notification.dart'; import 'package:solian/theme.dart'; import 'package:solian/widgets/app_bar_title.dart'; import 'package:solian/widgets/current_state_action.dart'; import 'package:solian/widgets/posts/post_list.dart'; class FeedScreen extends StatefulWidget { const FeedScreen({super.key}); @override State createState() => _FeedScreenState(); } class _FeedScreenState extends State { final PagingController _pagingController = PagingController(firstPageKey: 0); getPosts(int pageKey) async { final PostProvider provider = Get.find(); Response resp; try { resp = await provider.listPost(pageKey); } catch (e) { _pagingController.error = e; return; } final PaginationResult result = PaginationResult.fromJson(resp.body); final parsed = result.data?.map((e) => Post.fromJson(e)).toList(); if (parsed != null && parsed.length >= 10) { _pagingController.appendPage(parsed, pageKey + parsed.length); } else if (parsed != null) { _pagingController.appendLastPage(parsed); } } @override void initState() { super.initState(); _pagingController.addPageRequestListener(getPosts); } @override Widget build(BuildContext context) { return Scaffold( body: Material( color: Theme.of(context).colorScheme.surface, child: RefreshIndicator( onRefresh: () => Future.sync(() => _pagingController.refresh()), child: CustomScrollView( slivers: [ SliverAppBar( title: AppBarTitle('feed'.tr), centerTitle: false, floating: true, titleSpacing: SolianTheme.titleSpacing(context), toolbarHeight: SolianTheme.toolbarHeight(context), actions: [ const BackgroundStateWidget(), const NotificationButton(), const FeedCreationButton(), SizedBox( width: SolianTheme.isLargeScreen(context) ? 8 : 16, ), ], ), PostListWidget(controller: _pagingController), ], ), ), ), ); } } class FeedCreationButton extends StatelessWidget { const FeedCreationButton({super.key}); @override Widget build(BuildContext context) { final AuthProvider auth = Get.find(); return FutureBuilder( future: auth.isAuthorized, builder: (context, snapshot) { if (snapshot.hasData && snapshot.data == true) { return IconButton( icon: const Icon(Icons.add_circle), onPressed: () { AppRouter.instance.pushNamed('postPublishing'); }, ); } return const SizedBox(); }); } }