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import React, {useEffect, useMemo} from 'react'
import {StyleSheet, View} from 'react-native'
import {makeRecordUri} from 'lib/strings/url-helpers'
import {ViewHeader} from '../com/util/ViewHeader'
import {PostThread as PostThreadComponent} from '../com/post-thread/PostThread'
import {ComposePrompt} from 'view/com/composer/Prompt'
import {PostThreadViewModel} from 'state/models/post-thread-view'
import {ScreenParams} from '../routes'
import {useStores} from 'state/index'
import {s} from 'lib/styles'
import {useSafeAreaInsets} from 'react-native-safe-area-context'
import {clamp} from 'lodash'
const SHELL_FOOTER_HEIGHT = 44
export const PostThread = ({navIdx, visible, params}: ScreenParams) => {
const store = useStores()
const safeAreaInsets = useSafeAreaInsets()
const {name, rkey} = params
const uri = makeRecordUri(name, 'app.bsky.feed.post', rkey)
const view = useMemo<PostThreadViewModel>(
() => new PostThreadViewModel(store, {uri}),
[store, uri],
)
useEffect(() => {
let aborted = false
const threadCleanup = view.registerListeners()
const setTitle = () => {
const author = view.thread?.post.author
const niceName = author?.handle || name
store.nav.setTitle(navIdx, `Post by ${niceName}`)
}
if (!visible) {
return threadCleanup
}
setTitle()
store.shell.setMinimalShellMode(false)
if (!view.hasLoaded && !view.isLoading) {
view.setup().then(
() => {
if (!aborted) {
setTitle()
}
},
err => {
store.log.error('Failed to fetch thread', err)
},
)
}
return () => {
aborted = true
threadCleanup()
}
}, [visible, store.nav, store.log, store.shell, name, navIdx, view])
const onPressReply = React.useCallback(() => {
if (!view.thread) {
return
}
store.shell.openComposer({
replyTo: {
uri: view.thread.post.uri,
cid: view.thread.post.cid,
text: view.thread.postRecord?.text as string,
author: {
handle: view.thread.post.author.handle,
displayName: view.thread.post.author.displayName,
avatar: view.thread.post.author.avatar,
},
},
onPost: () => view.refresh(),
})
}, [view, store])
return (
<View style={s.hContentRegion}>
<ViewHeader title="Post" />
<View style={s.hContentRegion}>
<PostThreadComponent uri={uri} view={view} />
</View>
<View
style={[
styles.prompt,
{bottom: SHELL_FOOTER_HEIGHT + clamp(safeAreaInsets.bottom, 15, 30)},
]}>
<ComposePrompt onPressCompose={onPressReply} />
</View>
</View>
)
}
const styles = StyleSheet.create({
prompt: {
position: 'absolute',
left: 0,
right: 0,
},
})
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