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import React, {useEffect} from 'react'
import {observer} from 'mobx-react-lite'
import {ActivityIndicator, FlatList, StyleSheet, View} from 'react-native'
import {
UserFollowersViewModel,
FollowerItem,
} from '../../../state/models/user-followers-view'
import {Link} from '../util/Link'
import {Text} from '../util/text/Text'
import {ErrorMessage} from '../util/error/ErrorMessage'
import {UserAvatar} from '../util/UserAvatar'
import {useStores} from '../../../state'
import {s} from '../../lib/styles'
import {usePalette} from '../../lib/hooks/usePalette'
export const ProfileFollowers = observer(function ProfileFollowers({
name,
}: {
name: string
}) {
const store = useStores()
const view = React.useMemo(
() => new UserFollowersViewModel(store, {user: name}),
[store, name],
)
useEffect(() => {
view
.loadMore()
.catch(err => store.log.error('Failed to fetch user followers', err))
}, [view, store.log])
const onRefresh = () => {
view.refresh()
}
const onEndReached = () => {
view
.loadMore()
.catch(err =>
view?.rootStore.log.error('Failed to load more followers', err),
)
}
if (!view.hasLoaded) {
return (
<View>
<ActivityIndicator />
</View>
)
}
// error
// =
if (view.hasError) {
return (
<View>
<ErrorMessage
message={view.error}
style={{margin: 6}}
onPressTryAgain={onRefresh}
/>
</View>
)
}
// loaded
// =
const renderItem = ({item}: {item: FollowerItem}) => (
<User key={item.did} item={item} />
)
return (
<FlatList
data={view.followers}
keyExtractor={item => item.did}
refreshing={view.isRefreshing}
onRefresh={onRefresh}
onEndReached={onEndReached}
renderItem={renderItem}
initialNumToRender={15}
ListFooterComponent={() => (
<View style={styles.footer}>
{view.isLoading && <ActivityIndicator />}
</View>
)}
extraData={view.isLoading}
/>
)
})
const User = ({item}: {item: FollowerItem}) => {
const pal = usePalette('default')
return (
<Link
style={[styles.outer, pal.view, pal.border]}
href={`/profile/${item.handle}`}
title={item.handle}
noFeedback>
<View style={styles.layout}>
<View style={styles.layoutAvi}>
<UserAvatar
size={40}
displayName={item.displayName}
handle={item.handle}
avatar={item.avatar}
/>
</View>
<View style={styles.layoutContent}>
<Text style={[s.bold, pal.text]}>
{item.displayName || item.handle}
</Text>
<Text type="sm" style={[pal.textLight]}>
@{item.handle}
</Text>
</View>
</View>
</Link>
)
}
const styles = StyleSheet.create({
outer: {
borderTopWidth: 1,
},
layout: {
flexDirection: 'row',
},
layoutAvi: {
width: 60,
paddingLeft: 10,
paddingTop: 10,
paddingBottom: 10,
},
layoutContent: {
flex: 1,
paddingRight: 10,
paddingTop: 10,
paddingBottom: 10,
},
footer: {
height: 200,
paddingTop: 20,
},
})
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