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

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import 'package:esys_flutter_share/esys_flutter_share.dart';
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import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:lemmy_api_client/v2.dart';
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import '../hooks/logged_in_action.dart';
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import '../hooks/refreshable.dart';
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import '../hooks/stores.dart';
import '../util/more_icon.dart';
import '../widgets/comment_section.dart';
import '../widgets/post.dart';
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import '../widgets/save_post_button.dart';
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import '../widgets/write_comment.dart';
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/// Displays a post with its comment section
class FullPostPage extends HookWidget {
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final int id;
final String instanceHost;
final PostView post;
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const FullPostPage({@required this.id, @required this.instanceHost})
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: assert(id != null),
assert(instanceHost != null),
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post = null;
FullPostPage.fromPostView(this.post)
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: id = post.post.id,
instanceHost = post.instanceHost;
@override
Widget build(BuildContext context) {
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final accStore = useAccountsStore();
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final fullPostRefreshable =
useRefreshable(() => LemmyApiV2(instanceHost).run(GetPost(
id: id,
auth: accStore.defaultTokenFor(instanceHost)?.raw,
)));
final loggedInAction = useLoggedInAction(instanceHost);
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final newComments = useState(const <CommentView>[]);
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// FALLBACK VIEW
if (!fullPostRefreshable.snapshot.hasData && this.post == null) {
return Scaffold(
appBar: AppBar(),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
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if (fullPostRefreshable.snapshot.hasError)
Text(fullPostRefreshable.snapshot.error.toString())
else
const CircularProgressIndicator(),
],
),
),
);
}
// VARIABLES
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final post = fullPostRefreshable.snapshot.hasData
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? fullPostRefreshable.snapshot.data.postView
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: this.post;
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final fullPost = fullPostRefreshable.snapshot.data;
// FUNCTIONS
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refresh() async {
await HapticFeedback.mediumImpact();
try {
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await fullPostRefreshable.refresh();
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// ignore: avoid_catches_without_on_clauses
} catch (e) {
Scaffold.of(context).showSnackBar(SnackBar(
content: Text(e.toString()),
));
}
}
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sharePost() => Share.text('Share post', post.post.apId, 'text/plain');
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comment() async {
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final newComment = await showCupertinoModalPopup<CommentView>(
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context: context,
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builder: (_) => WriteComment.toPost(post),
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);
if (newComment != null) {
newComments.value = [...newComments.value, newComment];
}
}
return Scaffold(
appBar: AppBar(
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leading: const BackButton(),
actions: [
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IconButton(icon: const Icon(Icons.share), onPressed: sharePost),
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SavePostButton(post),
IconButton(
icon: Icon(moreIcon),
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onPressed: () => PostWidget.showMoreMenu(context, post)),
],
),
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floatingActionButton: FloatingActionButton(
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onPressed: loggedInAction((_) => comment()),
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child: const Icon(Icons.comment)),
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body: RefreshIndicator(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: [
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PostWidget(post, fullPost: true),
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if (fullPostRefreshable.snapshot.hasData)
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CommentSection(
newComments.value.followedBy(fullPost.comments).toList(),
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postCreatorId: fullPost.postView.creator.id)
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else if (fullPostRefreshable.snapshot.hasError)
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Padding(
padding:
const EdgeInsets.symmetric(horizontal: 10, vertical: 30),
child: Column(
children: [
const Icon(Icons.error),
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Text('Error: ${fullPostRefreshable.snapshot.error}')
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],
),
)
else
const Padding(
padding: EdgeInsets.only(top: 40),
child: Center(child: CircularProgressIndicator()),
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),
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],
),
));
}
}