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