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import React from 'react'
import {ActivityIndicator, StyleSheet, View} from 'react-native'
import {AppBskyActorDefs as ActorDefs} from '@atproto/api'
import {CenteredView} from '../util/Views'
import {LoadingScreen} from '../util/LoadingScreen'
import {List} from '../util/List'
import {ErrorMessage} from '../util/error/ErrorMessage'
import {ProfileCardWithFollowBtn} from './ProfileCard'
import {useProfileFollowersQuery} from '#/state/queries/profile-followers'
import {useResolveDidQuery} from '#/state/queries/resolve-uri'
import {logger} from '#/logger'
import {cleanError} from '#/lib/strings/errors'
export function ProfileFollowers({name}: {name: string}) {
const [isPTRing, setIsPTRing] = React.useState(false)
const {
data: resolvedDid,
error: resolveError,
isFetching: isFetchingDid,
} = useResolveDidQuery(name)
const {
data,
isFetching,
isFetched,
isFetchingNextPage,
hasNextPage,
fetchNextPage,
isError,
error,
refetch,
} = useProfileFollowersQuery(resolvedDid)
const followers = React.useMemo(() => {
if (data?.pages) {
return data.pages.flatMap(page => page.followers)
}
}, [data])
const onRefresh = React.useCallback(async () => {
setIsPTRing(true)
try {
await refetch()
} catch (err) {
logger.error('Failed to refresh followers', {message: err})
}
setIsPTRing(false)
}, [refetch, setIsPTRing])
const onEndReached = async () => {
if (isFetching || !hasNextPage || isError) return
try {
await fetchNextPage()
} catch (err) {
logger.error('Failed to load more followers', {message: err})
}
}
const renderItem = React.useCallback(
({item}: {item: ActorDefs.ProfileViewBasic}) => (
<ProfileCardWithFollowBtn key={item.did} profile={item} />
),
[],
)
if (isFetchingDid || !isFetched) {
return <LoadingScreen />
}
// error
// =
if (resolveError || isError) {
return (
<CenteredView>
<ErrorMessage
message={cleanError(resolveError || error)}
onPressTryAgain={onRefresh}
/>
</CenteredView>
)
}
// loaded
// =
return (
<List
data={followers}
keyExtractor={item => item.did}
refreshing={isPTRing}
onRefresh={onRefresh}
onEndReached={onEndReached}
renderItem={renderItem}
initialNumToRender={15}
// FIXME(dan)
// eslint-disable-next-line react/no-unstable-nested-components
ListFooterComponent={() => (
<View style={styles.footer}>
{(isFetching || isFetchingNextPage) && <ActivityIndicator />}
</View>
)}
// @ts-ignore our .web version only -prf
desktopFixedHeight
/>
)
}
const styles = StyleSheet.create({
footer: {
height: 200,
paddingTop: 20,
},
})
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