517 lines
18 KiB
Dart
517 lines
18 KiB
Dart
import 'package:cached_network_image/cached_network_image.dart';
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import 'package:esys_flutter_share/esys_flutter_share.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/gestures.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:intl/intl.dart';
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import 'package:lemmy_api_client/lemmy_api_client.dart';
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import 'package:timeago/timeago.dart' as timeago;
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import 'package:url_launcher/url_launcher.dart' as ul;
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import '../hooks/delayed_loading.dart';
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import '../hooks/stores.dart';
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import '../pages/full_post.dart';
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import '../url_launcher.dart';
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import '../util/api_extensions.dart';
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import '../util/goto.dart';
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import 'bottom_modal.dart';
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import 'fullscreenable_image.dart';
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import 'markdown_text.dart';
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enum MediaType {
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image,
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gallery,
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video,
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other,
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}
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MediaType whatType(String url) {
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if (url == null) return MediaType.other;
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// TODO: make detection more nuanced
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if (url.endsWith('.jpg') ||
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url.endsWith('.jpeg') ||
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url.endsWith('.png') ||
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url.endsWith('.gif') ||
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url.endsWith('.webp') ||
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url.endsWith('.bmp') ||
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url.endsWith('.wbpm')) {
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return MediaType.image;
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}
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return MediaType.other;
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}
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class Post extends HookWidget {
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final PostView post;
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final String instanceUrl;
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final bool fullPost;
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Post(this.post, {this.fullPost = false}) : instanceUrl = post.instanceUrl;
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// == ACTIONS ==
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void _savePost() {
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print('SAVE POST');
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}
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void _upvotePost() {
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print('UPVOTE POST');
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}
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void _downvotePost() {
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print('DOWNVOTE POST');
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}
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static void showMoreMenu(BuildContext context, PostView post) {
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showModalBottomSheet(
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backgroundColor: Colors.transparent,
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context: context,
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builder: (context) => BottomModal(
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child: Column(
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children: [
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ListTile(
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leading: Icon(Icons.open_in_browser),
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title: Text('Open in browser'),
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onTap: () async => await ul.canLaunch(post.apId)
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? ul.launch(post.apId)
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: Scaffold.of(context).showSnackBar(
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SnackBar(content: Text("can't open in browser"))),
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),
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ListTile(
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leading: Icon(Icons.info_outline),
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title: Text('Nerd stuff'),
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onTap: () {
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showDialog(
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context: context,
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child: SimpleDialog(
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 20,
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vertical: 15,
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),
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children: [
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Table(
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children: [
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TableRow(children: [
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Text('upvotes:'),
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Text(post.upvotes.toString()),
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]),
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TableRow(children: [
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Text('downvotes:'),
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Text(post.downvotes.toString()),
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]),
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TableRow(children: [
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Text('score:'),
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Text(post.score.toString()),
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]),
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TableRow(children: [
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Text('% of upvotes:'),
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Text(
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'''${(100 * (post.upvotes / (post.upvotes + post.downvotes))).toInt()}%'''),
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]),
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TableRow(children: [
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Text('hotrank:'),
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Text(post.hotRank.toString()),
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]),
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TableRow(children: [
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Text('hotrank active:'),
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Text(post.hotRankActive.toString()),
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]),
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TableRow(children: [
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Text('published:'),
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Text(
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'''${DateFormat.yMMMd().format(post.published)}'''
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''' ${DateFormat.Hms().format(post.published)}'''),
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]),
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TableRow(children: [
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Text('updated:'),
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Text(post.updated != null
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? '''${DateFormat.yMMMd().format(post.updated)}'''
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''' ${DateFormat.Hms().format(post.updated)}'''
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: 'never'),
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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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),
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],
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),
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),
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);
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}
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// == UI ==
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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void _openLink() =>
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linkLauncher(context: context, url: post.url, instanceUrl: instanceUrl);
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final urlDomain = () {
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if (post.url == null) return null;
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final url = post.url.split('/')[2];
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if (url.startsWith('www.')) return url.substring(4);
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return url;
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}();
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/// assemble info section
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Widget info() => Column(children: [
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Padding(
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padding: const EdgeInsets.all(10),
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child: Row(children: [
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Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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if (post.communityIcon != null)
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Padding(
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padding: const EdgeInsets.only(right: 10),
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child: InkWell(
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onTap: () => goToCommunity.byId(
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context, instanceUrl, post.communityId),
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child: SizedBox(
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height: 40,
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width: 40,
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child: CachedNetworkImage(
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imageBuilder: (context, imageProvider) => Container(
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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image: DecorationImage(
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fit: BoxFit.cover,
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image: imageProvider,
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),
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),
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),
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imageUrl: post.communityIcon,
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errorWidget: (context, url, error) =>
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Text(error.toString()),
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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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Column(
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children: [
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Row(children: [
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RichText(
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overflow: TextOverflow.ellipsis, // TODO: fix overflowing
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text: TextSpan(
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style: TextStyle(
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fontSize: 15,
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color: theme.textTheme.bodyText1.color),
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children: [
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TextSpan(
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text: '!',
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style: TextStyle(fontWeight: FontWeight.w300)),
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TextSpan(
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text: post.communityName,
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style: TextStyle(fontWeight: FontWeight.w600),
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recognizer: TapGestureRecognizer()
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..onTap = () => goToCommunity.byId(
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context, instanceUrl, post.communityId)),
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TextSpan(
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text: '@',
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style: TextStyle(fontWeight: FontWeight.w300)),
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TextSpan(
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text: instanceUrl,
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style: TextStyle(fontWeight: FontWeight.w600),
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recognizer: TapGestureRecognizer()
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..onTap =
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() => goToInstance(context, instanceUrl)),
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],
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),
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)
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]),
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Row(children: [
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RichText(
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overflow: TextOverflow.ellipsis,
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text: TextSpan(
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style: TextStyle(
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fontSize: 13,
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color: theme.textTheme.bodyText1.color),
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children: [
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TextSpan(
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text: 'by',
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style: TextStyle(fontWeight: FontWeight.w300)),
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TextSpan(
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text:
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''' ${post.creatorPreferredUsername ?? post.creatorName}''',
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style: TextStyle(fontWeight: FontWeight.w600),
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recognizer: TapGestureRecognizer()
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..onTap = () => goToUser.byId(
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context, post.instanceUrl, post.creatorId),
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),
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TextSpan(
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text:
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''' · ${timeago.format(post.published, locale: 'en_short')}'''),
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if (post.locked) TextSpan(text: ' · 🔒'),
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if (post.stickied) TextSpan(text: ' · 📌'),
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if (post.nsfw) TextSpan(text: ' · '),
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if (post.nsfw)
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TextSpan(
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text: 'NSFW',
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style: TextStyle(color: Colors.red)),
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if (urlDomain != null)
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TextSpan(text: ' · $urlDomain'),
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if (post.removed) TextSpan(text: ' · REMOVED'),
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if (post.deleted) TextSpan(text: ' · DELETED'),
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],
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))
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]),
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],
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crossAxisAlignment: CrossAxisAlignment.start,
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),
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Spacer(),
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if (!fullPost)
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Column(
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children: [
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IconButton(
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onPressed: () => showMoreMenu(context, post),
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icon: Icon(Icons.more_vert),
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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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/// assemble title section
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Widget title() => Padding(
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padding: const EdgeInsets.only(left: 10, right: 10, bottom: 10),
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child: Row(
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children: [
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Expanded(
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flex: 100,
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child: Text(
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'${post.name}',
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textAlign: TextAlign.left,
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softWrap: true,
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600),
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),
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),
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if (post.url != null &&
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whatType(post.url) == MediaType.other &&
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post.thumbnailUrl != null) ...[
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Spacer(),
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InkWell(
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onTap: _openLink,
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child: Stack(children: [
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ClipRRect(
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borderRadius: BorderRadius.circular(20),
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child: CachedNetworkImage(
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imageUrl: post.thumbnailUrl,
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width: 70,
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height: 70,
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fit: BoxFit.cover,
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errorWidget: (context, url, error) =>
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Text(error.toString()),
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)),
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Positioned(
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top: 8,
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right: 8,
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child: Icon(
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Icons.launch,
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size: 20,
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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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);
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/// assemble link preview
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Widget linkPreview() {
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assert(post.url != null);
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return Padding(
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padding: const EdgeInsets.all(10),
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child: InkWell(
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onTap: _openLink,
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child: Container(
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decoration: BoxDecoration(
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border: Border.all(
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width: 1,
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color: Theme.of(context).iconTheme.color.withAlpha(170)),
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borderRadius: BorderRadius.circular(5)),
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child: Padding(
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padding: const EdgeInsets.all(10),
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child: Column(
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children: [
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Row(children: [
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Spacer(),
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Text('$urlDomain ',
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style: theme.textTheme.caption
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.apply(fontStyle: FontStyle.italic)),
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Icon(Icons.launch, size: 12),
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]),
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Row(children: [
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Flexible(
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child: Text('${post.embedTitle}',
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style: theme.textTheme.subtitle1
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.apply(fontWeightDelta: 2)))
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]),
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if (post.embedDescription != null)
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Row(children: [
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Flexible(child: Text(post.embedDescription))
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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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}
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/// assemble image
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Widget postImage() {
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assert(post.url != null);
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return FullscreenableImage(
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url: post.url,
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child: CachedNetworkImage(
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imageUrl: post.url,
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errorWidget: (_, __, ___) => Icon(Icons.warning),
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progressIndicatorBuilder: (context, url, progress) =>
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CircularProgressIndicator(value: progress.progress),
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),
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);
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}
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/// assemble actions section
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Widget actions() => Padding(
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padding: const EdgeInsets.fromLTRB(10, 5, 10, 5),
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child: Row(
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children: [
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Icon(Icons.comment),
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Expanded(
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flex: 999,
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child: Text(
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''' ${NumberFormat.compact().format(post.numberOfComments)} comment${post.numberOfComments == 1 ? '' : 's'}''',
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overflow: TextOverflow.fade,
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softWrap: false,
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),
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),
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Spacer(),
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if (!fullPost)
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IconButton(
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icon: Icon(Icons.share),
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onPressed: () => Share.text('Share post url', post.apId,
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'text/plain')), // TODO: find a way to mark it as url
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if (!fullPost)
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IconButton(
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icon: post.saved == true
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? Icon(Icons.bookmark)
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: Icon(Icons.bookmark_border),
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onPressed: _savePost),
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_Voting(post),
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// IconButton(
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// icon: Icon(Icons.arrow_upward), onPressed: _upvotePost),
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// Text(NumberFormat.compact().format(post.score)),
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// IconButton(
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// icon: Icon(Icons.arrow_downward), onPressed: _downvotePost),
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],
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),
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);
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return Container(
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decoration: BoxDecoration(
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boxShadow: [BoxShadow(blurRadius: 10, color: Colors.black54)],
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color: theme.cardColor,
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borderRadius: BorderRadius.all(Radius.circular(20)),
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),
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child: InkWell(
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onTap: fullPost
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? null
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: () => goTo(
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context,
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(context) =>
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FullPostPage.fromPostView(post)), //, instanceUrl, post.id),
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child: Column(
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children: [
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info(),
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title(),
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if (whatType(post.url) != MediaType.other)
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postImage()
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else if (post.url != null)
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linkPreview(),
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if (post.body != null)
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Padding(
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padding: const EdgeInsets.all(10),
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child: MarkdownText(post.body, instanceUrl: instanceUrl)),
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actions(),
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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 _Voting extends HookWidget {
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final PostView post;
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_Voting(this.post);
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final myVote = useState(post.myVote ?? 0);
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final store = useAccountsStore();
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final loading = useDelayedLoading(Duration(milliseconds: 500));
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vote(VoteType vote) async {
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final api = LemmyApi(post.instanceUrl).v1;
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final token = store.defaultTokenFor(post.instanceUrl);
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if (token == null) {
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Scaffold.of(context).showSnackBar(
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SnackBar(content: Text("can't vote if you ain't logged in")));
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return;
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}
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loading.start();
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try {
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final res = await api.createPostLike(
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postId: post.id, score: vote, auth: token.raw);
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myVote.value = res.myVote;
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} catch (e) {
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Scaffold.of(context)
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.showSnackBar(SnackBar(content: Text('voting failed :(')));
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return;
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}
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loading.cancel();
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}
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return Row(
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children: [
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IconButton(
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icon: Icon(
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Icons.arrow_upward,
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color: myVote.value == 1 ? theme.accentColor : null,
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),
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onPressed: () =>
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vote(myVote.value == 1 ? VoteType.none : VoteType.up),
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),
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if (loading.loading)
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SizedBox(child: CircularProgressIndicator(), width: 20, height: 20)
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else
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Text(NumberFormat.compact().format(post.score + myVote.value)),
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IconButton(
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icon: Icon(
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Icons.arrow_downward,
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color: myVote.value == -1 ? Colors.red : null,
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),
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onPressed: () =>
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vote(myVote.value == -1 ? VoteType.none : VoteType.down),
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),
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],
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);
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}
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}
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