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import React, {useState, useEffect} from 'react'
import {observer} from 'mobx-react-lite'
import {AtUri} from '../../../third-party/uri'
import * as PostType from '../../../third-party/api/src/client/types/app/bsky/feed/post'
import {ActivityIndicator, StyleSheet, Text, View} from 'react-native'
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 {PostCtrls} from '../util/PostCtrls'
import {RichText} from '../util/RichText'
import Toast from '../util/Toast'
import {UserAvatar} from '../util/UserAvatar'
import {useStores} from '../../../state'
import {s, colors} from '../../lib/styles'
export const Post = observer(function Post({uri}: {uri: string}) {
const store = useStores()
const [view, setView] = useState<PostThreadViewModel | undefined>()
const [deleted, setDeleted] = useState(false)
useEffect(() => {
if (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 => console.error('Failed to fetch post', err))
}, [uri, view?.params.uri, store])
// deleted
// =
if (deleted) {
return <View />
}
// loading
// =
if (!view || view.isLoading || view.params.uri !== uri) {
return (
<View>
<ActivityIndicator />
</View>
)
}
// error
// =
if (view.hasError || !view.thread) {
return (
<View>
<Text>{view.error || 'Thread not found'}</Text>
</View>
)
}
// loaded
// =
const item = view.thread
const record = view.thread?.record as unknown as PostType.Record
const itemUrip = new AtUri(item.uri)
const itemHref = `/profile/${item.author.handle}/post/${itemUrip.rkey}`
const itemTitle = `Post by ${item.author.handle}`
const authorHref = `/profile/${item.author.handle}`
const authorTitle = item.author.handle
let replyAuthorDid = ''
let replyHref = ''
if (record.reply) {
const urip = new AtUri(record.reply.parent?.uri || record.reply.root.uri)
replyAuthorDid = urip.hostname
replyHref = `/profile/${urip.hostname}/post/${urip.rkey}`
}
const onPressReply = () => {
store.shell.openComposer({replyTo: {uri: item.uri, cid: item.cid}})
}
const onPressToggleRepost = () => {
item
.toggleRepost()
.catch(e => console.error('Failed to toggle repost', record, e))
}
const onPressToggleUpvote = () => {
item
.toggleUpvote()
.catch(e => console.error('Failed to toggle upvote', record, e))
}
const onPressToggleDownvote = () => {
item
.toggleDownvote()
.catch(e => console.error('Failed to toggle downvote', record, e))
}
const onDeletePost = () => {
item.delete().then(
() => {
setDeleted(true)
Toast.show('Post deleted', {
position: Toast.positions.TOP,
})
},
e => {
console.error(e)
Toast.show('Failed to delete post, please try again', {
position: Toast.positions.TOP,
})
},
)
}
return (
<Link style={styles.outer} href={itemHref} title={itemTitle}>
<View style={styles.layout}>
<View style={styles.layoutAvi}>
<Link href={authorHref} title={authorTitle}>
<UserAvatar
size={50}
displayName={item.author.displayName}
handle={item.author.handle}
/>
</Link>
</View>
<View style={styles.layoutContent}>
<PostMeta
itemHref={itemHref}
itemTitle={itemTitle}
authorHref={authorHref}
authorHandle={item.author.handle}
authorDisplayName={item.author.displayName}
timestamp={item.indexedAt}
isAuthor={item.author.did === store.me.did}
onDeletePost={onDeletePost}
/>
{replyHref !== '' && (
<View style={[s.flexRow, s.mb2, {alignItems: 'center'}]}>
<FontAwesomeIcon icon="reply" size={9} style={[s.gray4, s.mr5]} />
<Text style={[s.gray4, s.f12, s.mr2]}>Reply to</Text>
<Link href={replyHref} title="Parent post">
<UserInfoText
did={replyAuthorDid}
style={[s.f12, s.gray5]}
prefix="@"
/>
</Link>
</View>
)}
<View style={styles.postTextContainer}>
<RichText
text={record.text}
entities={record.entities}
style={styles.postText}
/>
</View>
<PostCtrls
replyCount={item.replyCount}
repostCount={item.repostCount}
upvoteCount={item.upvoteCount}
downvoteCount={item.downvoteCount}
isReposted={!!item.myState.repost}
isUpvoted={!!item.myState.upvote}
isDownvoted={!!item.myState.downvote}
onPressReply={onPressReply}
onPressToggleRepost={onPressToggleRepost}
onPressToggleUpvote={onPressToggleUpvote}
onPressToggleDownvote={onPressToggleDownvote}
/>
</View>
</View>
</Link>
)
})
const styles = StyleSheet.create({
outer: {
marginTop: 1,
borderRadius: 6,
backgroundColor: colors.white,
padding: 10,
},
layout: {
flexDirection: 'row',
},
layoutAvi: {
width: 60,
},
layoutContent: {
flex: 1,
},
postTextContainer: {
flexDirection: 'row',
alignItems: 'center',
flexWrap: 'wrap',
minHeight: 36,
paddingBottom: 8,
},
postText: {
fontFamily: 'Helvetica Neue',
fontSize: 17,
lineHeight: 22.1, // 1.3 of 17px
},
})
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