Solian/lib/screens/feed.dart

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import 'package:flutter/material.dart';
import 'package:get/get.dart';
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import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
import 'package:solian/models/feed.dart';
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import 'package:solian/models/pagination.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';
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';
import 'package:solian/widgets/posts/feed_list.dart';
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class FeedScreen extends StatefulWidget {
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> {
final PagingController<int, FeedRecord> _pagingController =
PagingController(firstPageKey: 0);
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getPosts(int pageKey) async {
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final PostProvider provider = Get.find();
Response resp;
try {
resp = await provider.listFeed(pageKey);
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} catch (e) {
_pagingController.error = e;
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return;
}
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final PaginationResult result = PaginationResult.fromJson(resp.body);
final parsed = result.data?.map((e) => FeedRecord.fromJson(e)).toList();
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if (parsed != null && parsed.length >= 10) {
_pagingController.appendPage(parsed, pageKey + parsed.length);
} else if (parsed != null) {
_pagingController.appendLastPage(parsed);
}
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}
@override
void initState() {
super.initState();
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_pagingController.addPageRequestListener(getPosts);
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}
@override
Widget build(BuildContext context) {
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return Scaffold(
body: Material(
color: Theme.of(context).colorScheme.surface,
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child: RefreshIndicator(
onRefresh: () => Future.sync(() => _pagingController.refresh()),
child: CustomScrollView(
slivers: [
SliverAppBar(
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title: AppBarTitle('feed'.tr),
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centerTitle: false,
floating: true,
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titleSpacing: SolianTheme.titleSpacing(context),
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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FeedCreationButton(
onCreated: () {
_pagingController.refresh();
},
),
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SizedBox(
width: SolianTheme.isLargeScreen(context) ? 8 : 16,
),
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],
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),
FeedListWidget(controller: _pagingController),
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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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final Function? onCreated;
const FeedCreationButton({super.key, this.onCreated});
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@override
Widget build(BuildContext context) {
final AuthProvider auth = Get.find();
return FutureBuilder(
future: auth.isAuthorized,
builder: (context, snapshot) {
if (snapshot.hasData && snapshot.data == true) {
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return PopupMenuButton(
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icon: const Icon(Icons.add_circle),
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itemBuilder: (BuildContext context) => [
PopupMenuItem(
child: ListTile(
title: Text('postCreate'.tr),
leading: const Icon(Icons.article),
contentPadding: const EdgeInsets.symmetric(horizontal: 8),
),
onTap: () {
AppRouter.instance.pushNamed('postPublishing').then((val) {
if (val != null && onCreated != null) {
onCreated!();
}
});
},
),
PopupMenuItem(
child: ListTile(
title: Text('articleCreate'.tr),
leading: const Icon(Icons.newspaper),
contentPadding: const EdgeInsets.symmetric(horizontal: 8),
),
onTap: () {},
),
PopupMenuItem(
child: ListTile(
title: Text('draftBoxOpen'.tr),
leading: const Icon(Icons.drafts),
contentPadding: const EdgeInsets.symmetric(horizontal: 8),
),
onTap: () {},
),
],
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);
}
return const SizedBox();
});
}
}