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import React, {useEffect} from 'react'
import {ScrollView, View} from 'react-native'
import {AppBskyEmbedVideo, AtUri} from '@atproto/api'
import {msg, Trans} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import {useQueryClient} from '@tanstack/react-query'
import {VIDEO_FEED_URI} from '#/lib/constants'
import {makeCustomFeedLink} from '#/lib/routes/links'
import {logEvent} from '#/lib/statsig/statsig'
import {useTrendingSettingsApi} from '#/state/preferences/trending'
import {usePostFeedQuery} from '#/state/queries/post-feed'
import {RQKEY} from '#/state/queries/post-feed'
import {BlockDrawerGesture} from '#/view/shell/BlockDrawerGesture'
import {atoms as a, useGutters, useTheme} from '#/alf'
import {Button, ButtonIcon} from '#/components/Button'
import {ChevronRight_Stroke2_Corner0_Rounded as ChevronRight} from '#/components/icons/Chevron'
import {TimesLarge_Stroke2_Corner0_Rounded as X} from '#/components/icons/Times'
import {Trending2_Stroke2_Corner2_Rounded as Graph} from '#/components/icons/Trending2'
import {Link} from '#/components/Link'
import * as Prompt from '#/components/Prompt'
import {Text} from '#/components/Typography'
import {
CompactVideoPostCard,
CompactVideoPostCardPlaceholder,
} from '#/components/VideoPostCard'
const CARD_WIDTH = 100
const FEED_DESC = `feedgen|${VIDEO_FEED_URI}`
const FEED_PARAMS: {
feedCacheKey: 'discover'
} = {
feedCacheKey: 'discover',
}
export function TrendingVideos() {
const t = useTheme()
const {_} = useLingui()
const gutters = useGutters([0, 'base'])
const {data, isLoading, error} = usePostFeedQuery(FEED_DESC, FEED_PARAMS)
// Refetch on unmount if nothing else is using this query.
const queryClient = useQueryClient()
useEffect(() => {
return () => {
const query = queryClient
.getQueryCache()
.find({queryKey: RQKEY(FEED_DESC, FEED_PARAMS)})
if (query && query.getObserversCount() <= 1) {
query.fetch()
}
}
}, [queryClient])
const {setTrendingVideoDisabled} = useTrendingSettingsApi()
const trendingPrompt = Prompt.usePromptControl()
const onConfirmHide = React.useCallback(() => {
setTrendingVideoDisabled(true)
logEvent('trendingVideos:hide', {context: 'interstitial:discover'})
}, [setTrendingVideoDisabled])
if (error) {
return null
}
return (
<View
style={[
a.pt_lg,
a.pb_lg,
a.border_t,
t.atoms.border_contrast_low,
t.atoms.bg_contrast_25,
]}>
<View
style={[
gutters,
a.pb_sm,
a.flex_row,
a.align_center,
a.justify_between,
]}>
<View style={[a.flex_1, a.flex_row, a.align_center, a.gap_xs]}>
<Graph />
<Text style={[a.text_md, a.font_bold, a.leading_snug]}>
<Trans>Trending Videos</Trans>
</Text>
</View>
<Button
label={_(msg`Dismiss this section`)}
size="tiny"
variant="ghost"
color="secondary"
shape="round"
onPress={() => trendingPrompt.open()}>
<ButtonIcon icon={X} />
</Button>
</View>
<BlockDrawerGesture>
<ScrollView
horizontal
showsHorizontalScrollIndicator={false}
decelerationRate="fast"
snapToInterval={CARD_WIDTH + a.gap_sm.gap}>
<View
style={[
a.flex_row,
a.gap_sm,
{
paddingLeft: gutters.paddingLeft,
paddingRight: gutters.paddingRight,
},
]}>
{isLoading ? (
Array(10)
.fill(0)
.map((_, i) => (
<View key={i} style={[{width: CARD_WIDTH}]}>
<CompactVideoPostCardPlaceholder />
</View>
))
) : error || !data ? (
<Text>
<Trans>Whoops! Trending videos failed to load.</Trans>
</Text>
) : (
<VideoCards data={data} />
)}
</View>
</ScrollView>
</BlockDrawerGesture>
<Prompt.Basic
control={trendingPrompt}
title={_(msg`Hide trending videos?`)}
description={_(msg`You can update this later from your settings.`)}
confirmButtonCta={_(msg`Hide`)}
onConfirm={onConfirmHide}
/>
</View>
)
}
function VideoCards({
data,
}: {
data: Exclude<ReturnType<typeof usePostFeedQuery>['data'], undefined>
}) {
const t = useTheme()
const {_} = useLingui()
const items = React.useMemo(() => {
return data.pages
.flatMap(page => page.slices)
.map(slice => slice.items[0])
.filter(Boolean)
.filter(item => AppBskyEmbedVideo.isView(item.post.embed))
.slice(0, 8)
}, [data])
const href = React.useMemo(() => {
const urip = new AtUri(VIDEO_FEED_URI)
return makeCustomFeedLink(urip.host, urip.rkey, undefined, 'discover')
}, [])
return (
<>
{items.map(item => (
<View key={item.post.uri} style={[{width: CARD_WIDTH}]}>
<CompactVideoPostCard
post={item.post}
moderation={item.moderation}
sourceContext={{
type: 'feedgen',
uri: VIDEO_FEED_URI,
sourceInterstitial: 'discover',
}}
onInteract={() => {
logEvent('videoCard:click', {
context: 'interstitial:discover',
})
}}
/>
</View>
))}
<View style={[{width: CARD_WIDTH * 2}]}>
<Link
to={href}
label={_(msg`View more`)}
style={[
a.justify_center,
a.align_center,
a.flex_1,
a.rounded_md,
t.atoms.bg,
]}>
{({pressed}) => (
<View
style={[
a.flex_row,
a.align_center,
a.gap_md,
{
opacity: pressed ? 0.6 : 1,
},
]}>
<Text style={[a.text_md]}>
<Trans>View more</Trans>
</Text>
<View
style={[
a.align_center,
a.justify_center,
a.rounded_full,
{
width: 34,
height: 34,
backgroundColor: t.palette.primary_500,
},
]}>
<ButtonIcon icon={ChevronRight} />
</View>
</View>
)}
</Link>
</View>
</>
)
}
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