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import React, {useState, useEffect} from 'react'
import {
ActivityIndicator,
StyleProp,
StyleSheet,
View,
ViewStyle,
} from 'react-native'
import {observer} from 'mobx-react-lite'
import Clipboard from '@react-native-clipboard/clipboard'
import {AtUri} from '../../../third-party/uri'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import {PostThreadViewModel} from '../../../state/models/post-thread-view'
import {Link} from '../util/Link'
import {UserInfoText} from '../util/UserInfoText'
import {PostMeta} from '../util/PostMeta'
import {PostEmbeds} from '../util/PostEmbeds'
import {PostCtrls} from '../util/PostCtrls'
import {Text} from '../util/text/Text'
import {RichText} from '../util/text/RichText'
import * as Toast from '../util/Toast'
import {UserAvatar} from '../util/UserAvatar'
import {useStores} from '../../../state'
import {s, colors} from '../../lib/styles'
import {usePalette} from '../../lib/hooks/usePalette'
export const Post = observer(function Post({
uri,
initView,
showReplyLine,
style,
}: {
uri: string
initView?: PostThreadViewModel
showReplyLine?: boolean
style?: StyleProp<ViewStyle>
}) {
const pal = usePalette('default')
const store = useStores()
const [view, setView] = useState<PostThreadViewModel | undefined>(initView)
const [deleted, setDeleted] = useState(false)
useEffect(() => {
if (initView || view?.params.uri === uri) {
return // no change needed? or trigger refresh?
}
const newView = new PostThreadViewModel(store, {uri, depth: 0})
setView(newView)
newView.setup().catch(err => store.log.error('Failed to fetch post', err))
}, [initView, uri, view?.params.uri, store])
// deleted
// =
if (deleted) {
return <View />
}
// loading
// =
if (!view || view.isLoading || view.params.uri !== uri) {
return (
<View style={pal.view}>
<ActivityIndicator />
</View>
)
}
// error
// =
if (view.hasError || !view.thread || !view.thread?.postRecord) {
return (
<View style={pal.view}>
<Text>{view.error || 'Thread not found'}</Text>
</View>
)
}
// loaded
// =
const item = view.thread
const record = view.thread.postRecord
const itemUrip = new AtUri(item.post.uri)
const itemHref = `/profile/${item.post.author.handle}/post/${itemUrip.rkey}`
const itemTitle = `Post by ${item.post.author.handle}`
const authorHref = `/profile/${item.post.author.handle}`
const authorTitle = item.post.author.handle
let replyAuthorDid = ''
if (record.reply) {
const urip = new AtUri(record.reply.parent?.uri || record.reply.root.uri)
replyAuthorDid = urip.hostname
}
const onPressReply = () => {
store.shell.openComposer({
replyTo: {
uri: item.post.uri,
cid: item.post.cid,
text: record.text as string,
author: {
handle: item.post.author.handle,
displayName: item.post.author.displayName,
avatar: item.post.author.avatar,
},
},
})
}
const onPressToggleRepost = () => {
item
.toggleRepost()
.catch(e => store.log.error('Failed to toggle repost', e))
}
const onPressToggleUpvote = () => {
item
.toggleUpvote()
.catch(e => store.log.error('Failed to toggle upvote', e))
}
const onCopyPostText = () => {
Clipboard.setString(record.text)
Toast.show('Copied to clipboard')
}
const onDeletePost = () => {
item.delete().then(
() => {
setDeleted(true)
Toast.show('Post deleted')
},
e => {
store.log.error('Failed to delete post', e)
Toast.show('Failed to delete post, please try again')
},
)
}
return (
<Link
style={[styles.outer, pal.view, pal.border, style]}
href={itemHref}
title={itemTitle}
noFeedback>
{showReplyLine && <View style={styles.replyLine} />}
<View style={styles.layout}>
<View style={styles.layoutAvi}>
<Link href={authorHref} title={authorTitle}>
<UserAvatar
size={52}
displayName={item.post.author.displayName}
handle={item.post.author.handle}
avatar={item.post.author.avatar}
/>
</Link>
</View>
<View style={styles.layoutContent}>
<PostMeta
authorHandle={item.post.author.handle}
authorDisplayName={item.post.author.displayName}
timestamp={item.post.indexedAt}
/>
{replyAuthorDid !== '' && (
<View style={[s.flexRow, s.mb2, {alignItems: 'center'}]}>
<FontAwesomeIcon
icon="reply"
size={9}
style={[pal.textLight, s.mr5]}
/>
<Text type="sm" style={[pal.textLight, s.mr2]}>
Reply to
</Text>
<UserInfoText
type="sm"
did={replyAuthorDid}
attr="displayName"
style={[pal.textLight]}
/>
</View>
)}
{item.post.author.viewer?.muted ? (
<View style={[styles.mutedWarning, pal.btn]}>
<FontAwesomeIcon icon={['far', 'eye-slash']} style={s.mr2} />
<Text type="sm">This post is by a muted account.</Text>
</View>
) : record.text ? (
<View style={styles.postTextContainer}>
<RichText
type="post-text"
text={record.text}
entities={record.entities}
lineHeight={1.3}
/>
</View>
) : (
<View style={{height: 5}} />
)}
<PostEmbeds embed={item.post.embed} style={{marginBottom: 10}} />
<PostCtrls
itemHref={itemHref}
itemTitle={itemTitle}
isAuthor={item.post.author.did === store.me.did}
replyCount={item.post.replyCount}
repostCount={item.post.repostCount}
upvoteCount={item.post.upvoteCount}
isReposted={!!item.post.viewer.repost}
isUpvoted={!!item.post.viewer.upvote}
onPressReply={onPressReply}
onPressToggleRepost={onPressToggleRepost}
onPressToggleUpvote={onPressToggleUpvote}
onCopyPostText={onCopyPostText}
onDeletePost={onDeletePost}
/>
</View>
</View>
</Link>
)
})
const styles = StyleSheet.create({
outer: {
padding: 10,
paddingRight: 15,
borderTopWidth: 1,
},
layout: {
flexDirection: 'row',
},
layoutAvi: {
width: 70,
paddingLeft: 8,
},
layoutContent: {
flex: 1,
},
mutedWarning: {
flexDirection: 'row',
alignItems: 'center',
padding: 10,
marginTop: 2,
marginBottom: 6,
borderRadius: 2,
},
postTextContainer: {
flexDirection: 'row',
alignItems: 'center',
flexWrap: 'wrap',
paddingBottom: 8,
},
replyLine: {
position: 'absolute',
left: 36,
top: 70,
bottom: 0,
borderLeftWidth: 2,
borderLeftColor: colors.gray2,
},
})
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