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import {useCallback, useMemo, useState} from 'react'
import {AppBskyFeedGetLikes as GetLikes} from '@atproto/api'
import {msg} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import {useInitialNumToRender} from '#/lib/hooks/useInitialNumToRender'
import {cleanError} from '#/lib/strings/errors'
import {logger} from '#/logger'
import {useLikedByQuery} from '#/state/queries/post-liked-by'
import {useResolveUriQuery} from '#/state/queries/resolve-uri'
import {ProfileCardWithFollowBtn} from '#/view/com/profile/ProfileCard'
import {List} from '#/view/com/util/List'
import {ListFooter, ListMaybePlaceholder} from '#/components/Lists'
function renderItem({item, index}: {item: GetLikes.Like; index: number}) {
return (
<ProfileCardWithFollowBtn
key={item.actor.did}
profile={item.actor}
noBorder={index === 0}
/>
)
}
function keyExtractor(item: GetLikes.Like) {
return item.actor.did
}
export function PostLikedBy({uri}: {uri: string}) {
const {_} = useLingui()
const initialNumToRender = useInitialNumToRender()
const [isPTRing, setIsPTRing] = useState(false)
const {
data: resolvedUri,
error: resolveError,
isLoading: isLoadingUri,
} = useResolveUriQuery(uri)
const {
data,
isLoading: isLoadingLikes,
isFetchingNextPage,
hasNextPage,
fetchNextPage,
error,
refetch,
} = useLikedByQuery(resolvedUri?.uri)
const isError = Boolean(resolveError || error)
const likes = useMemo(() => {
if (data?.pages) {
return data.pages.flatMap(page => page.likes)
}
return []
}, [data])
const onRefresh = useCallback(async () => {
setIsPTRing(true)
try {
await refetch()
} catch (err) {
logger.error('Failed to refresh likes', {message: err})
}
setIsPTRing(false)
}, [refetch, setIsPTRing])
const onEndReached = useCallback(async () => {
if (isFetchingNextPage || !hasNextPage || isError) return
try {
await fetchNextPage()
} catch (err) {
logger.error('Failed to load more likes', {message: err})
}
}, [isFetchingNextPage, hasNextPage, isError, fetchNextPage])
if (likes.length < 1) {
return (
<ListMaybePlaceholder
isLoading={isLoadingUri || isLoadingLikes}
isError={isError}
emptyType="results"
emptyTitle={_(msg`No likes yet`)}
emptyMessage={_(
msg`Nobody has liked this yet. Maybe you should be the first!`,
)}
errorMessage={cleanError(resolveError || error)}
sideBorders={false}
topBorder={false}
/>
)
}
return (
<List
data={likes}
renderItem={renderItem}
keyExtractor={keyExtractor}
refreshing={isPTRing}
onRefresh={onRefresh}
onEndReached={onEndReached}
onEndReachedThreshold={4}
ListFooterComponent={
<ListFooter
isFetchingNextPage={isFetchingNextPage}
error={cleanError(error)}
onRetry={fetchNextPage}
/>
}
desktopFixedHeight
initialNumToRender={initialNumToRender}
windowSize={11}
sideBorders={false}
/>
)
}
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