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

120 lines
3.7 KiB
Dart

import 'package:esys_flutter_share/esys_flutter_share.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:lemmy_api_client/lemmy_api_client.dart';
import '../hooks/logged_in_action.dart';
import '../hooks/memo_future.dart';
import '../hooks/stores.dart';
import '../util/extensions/api.dart';
import '../widgets/comment_section.dart';
import '../widgets/post.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 instanceUrl;
final PostView post;
FullPostPage({@required this.id, @required this.instanceUrl})
: assert(id != null),
assert(instanceUrl != null),
post = null;
FullPostPage.fromPostView(this.post)
: id = post.id,
instanceUrl = post.instanceUrl;
@override
Widget build(BuildContext context) {
final accStore = useAccountsStore();
final fullPostSnap = useMemoFuture(() => LemmyApi(instanceUrl)
.v1
.getPost(id: id, auth: accStore.defaultTokenFor(instanceUrl)?.raw));
final loggedInAction = useLoggedInAction(instanceUrl);
final newComments = useState(const <CommentView>[]);
// FALLBACK VIEW
if (!fullPostSnap.hasData && this.post == null) {
return Scaffold(
appBar: AppBar(),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
if (fullPostSnap.hasError)
Text(fullPostSnap.error.toString())
else
const CircularProgressIndicator(),
],
),
),
);
}
// VARIABLES
final post = fullPostSnap.hasData ? fullPostSnap.data.post : this.post;
final fullPost = fullPostSnap.data;
// FUNCTIONS
sharePost() => Share.text('Share post', post.apId, 'text/plain');
comment() async {
final newComment = await showCupertinoModalPopup<CommentView>(
context: context,
builder: (_) => WriteComment.toPost(post),
);
if (newComment != null) {
newComments.value = [...newComments.value, newComment];
}
}
return Scaffold(
appBar: AppBar(
leading: BackButton(),
actions: [
IconButton(icon: Icon(Icons.share), onPressed: sharePost),
SavePostButton(post),
IconButton(
icon: Icon(Icons.more_vert),
onPressed: () => Post.showMoreMenu(context, post)),
],
),
floatingActionButton: FloatingActionButton(
onPressed: loggedInAction((_) => comment()),
child: Icon(Icons.comment)),
body: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: [
Post(post, fullPost: true),
if (fullPostSnap.hasData)
CommentSection(
newComments.value.followedBy(fullPost.comments).toList(),
postCreatorId: fullPost.post.creatorId)
else if (fullPostSnap.hasError)
Padding(
padding:
const EdgeInsets.symmetric(horizontal: 10, vertical: 30),
child: Column(
children: [
Icon(Icons.error),
Text('Error: ${fullPostSnap.error}')
],
),
)
else
Container(
child: Center(child: CircularProgressIndicator()),
padding: EdgeInsets.only(top: 40),
),
],
));
}
}