lemmur-app-android/lib/pages/full_post.dart

155 lines
4.8 KiB
Dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:lemmy_api_client/v3.dart';
import '../hooks/logged_in_action.dart';
import '../hooks/refreshable.dart';
import '../hooks/stores.dart';
import '../util/extensions/api.dart';
import '../util/more_icon.dart';
import '../util/share.dart';
import '../widgets/comment_section.dart';
import '../widgets/post.dart';
import '../widgets/reveal_after_scroll.dart';
import '../widgets/save_post_button.dart';
import '../widgets/write_comment.dart';
/// Displays a post with its comment section
class FullPostPage extends HookWidget {
final int id;
final String instanceHost;
final PostView? post;
const FullPostPage({required this.id, required this.instanceHost})
: post = null;
FullPostPage.fromPostView(PostView this.post)
: id = post.post.id,
instanceHost = post.instanceHost;
@override
Widget build(BuildContext context) {
final accStore = useAccountsStore();
final scrollController = useScrollController();
final fullPostRefreshable =
useRefreshable(() => LemmyApiV3(instanceHost).run(GetPost(
id: id,
auth: accStore.defaultTokenFor(instanceHost)?.raw,
)));
final loggedInAction = useLoggedInAction(instanceHost);
final newComments = useState(const <CommentView>[]);
// FALLBACK VIEW
if (!fullPostRefreshable.snapshot.hasData && this.post == null) {
return Scaffold(
appBar: AppBar(),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
if (fullPostRefreshable.snapshot.hasError)
Text(fullPostRefreshable.snapshot.error.toString())
else
const CircularProgressIndicator(),
],
),
),
);
}
// VARIABLES
final post = fullPostRefreshable.snapshot.hasData
? fullPostRefreshable.snapshot.data!.postView
: this.post!;
final fullPost = fullPostRefreshable.snapshot.data;
// FUNCTIONS
refresh() async {
await HapticFeedback.mediumImpact();
try {
await fullPostRefreshable.refresh();
// ignore: avoid_catches_without_on_clauses
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(e.toString()),
));
}
}
sharePost() => share(post.post.apId, context: context);
comment() async {
final newComment = await showCupertinoModalPopup<CommentView>(
context: context,
builder: (_) => WriteComment.toPost(post.post),
);
if (newComment != null) {
newComments.value = [...newComments.value, newComment];
}
}
return Scaffold(
appBar: AppBar(
centerTitle: false,
title: RevealAfterScroll(
scrollController: scrollController,
after: 65,
child: Text(
post.community.originDisplayName,
overflow: TextOverflow.fade,
),
),
actions: [
IconButton(icon: const Icon(Icons.share), onPressed: sharePost),
SavePostButton(post),
IconButton(
icon: Icon(moreIcon),
onPressed: () => PostWidget.showMoreMenu(context, post)),
],
),
floatingActionButton: post.post.locked
? null
: FloatingActionButton(
onPressed: loggedInAction((_) => comment()),
child: const Icon(Icons.comment),
),
body: RefreshIndicator(
onRefresh: refresh,
child: ListView(
controller: scrollController,
physics: const AlwaysScrollableScrollPhysics(),
children: [
const SizedBox(height: 15),
PostWidget(post, fullPost: true),
if (fullPost != null)
CommentSection(
newComments.value.followedBy(fullPost.comments).toList(),
postCreatorId: fullPost.postView.creator.id)
else if (fullPostRefreshable.snapshot.hasError)
Padding(
padding:
const EdgeInsets.symmetric(horizontal: 10, vertical: 30),
child: Column(
children: [
const Icon(Icons.error),
Text('Error: ${fullPostRefreshable.snapshot.error}')
],
),
)
else
const Padding(
padding: EdgeInsets.only(top: 40),
child: Center(child: CircularProgressIndicator()),
),
],
),
));
}
}