380 lines
12 KiB
Dart
380 lines
12 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/gestures.dart';
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import 'package:flutter/material.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 '../pages/full_post.dart';
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import '../url_launcher.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') || url.endsWith('.png') || url.endsWith('.gif')) {
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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 StatelessWidget {
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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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/// nullable
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final String postUrlDomain;
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Post(this.post, {this.fullPost = false})
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: instanceUrl = post.communityActorId.split('/')[2],
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postUrlDomain = post.url != null ? post.url.split('/')[2] : null;
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// == ACTIONS ==
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void _openLink() {
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print('OPEN LINK');
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urlLauncher(post.url);
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}
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void _goToUser() {
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print('GO TO USER');
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}
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void _goToPost(BuildContext context) {
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Navigator.of(context).push(MaterialPageRoute(
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builder: (context) => FullPostPage.fromPostView(post)));
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}
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void _goToCommunity() {
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print('GO TO COMMUNITY');
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}
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void _goToInstance() {
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print('GO TO INSTANCE');
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}
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void _openFullImage() {
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print('OPEN FULL IMAGE');
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}
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// POST 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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void _showMoreMenu() {
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print('SHOW MORE MENU');
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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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// TODO: add NSFW, locked, removed, deleted, stickied
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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,
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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),
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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 = _goToInstance),
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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,
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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 (postUrlDomain != null)
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TextSpan(text: ' · $postUrlDomain'),
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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,
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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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Flexible(
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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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if (post.url != null &&
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whatType(post.url) == MediaType.other &&
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post.thumbnailUrl != null)
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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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/// assemble link preview
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Widget linkPreview() {
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assert(post.url != null);
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var url = post.url.split('/')[2];
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if (url.startsWith('www.')) {
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url = url.substring(4);
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}
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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('$url ',
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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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Row(children: [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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/// assemble image
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Widget postImage() {
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assert(post.url != null);
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return InkWell(
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onTap: _openFullImage,
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child: CachedNetworkImage(
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imageUrl: post.url,
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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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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.colorScheme.surface,
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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 ? null : () => _goToPost(context),
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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)),
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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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