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import {View} from 'react-native'
import {AppBskyUnspeccedDefs} from '@atproto/api'
import {Trans} from '@lingui/macro'
import {logEvent} from '#/lib/statsig/statsig'
import {isWeb} from '#/platform/detection'
import {
DEFAULT_LIMIT as RECOMMENDATIONS_COUNT,
useTrendingTopics,
} from '#/state/queries/trending/useTrendingTopics'
import {useTrendingConfig} from '#/state/trending-config'
import {atoms as a, useGutters, useTheme} from '#/alf'
import {Hashtag_Stroke2_Corner0_Rounded} from '#/components/icons/Hashtag'
import {
TrendingTopic,
TrendingTopicLink,
TrendingTopicSkeleton,
} from '#/components/TrendingTopics'
import {Text} from '#/components/Typography'
export function ExploreRecommendations() {
const {enabled} = useTrendingConfig()
return enabled ? <Inner /> : null
}
function Inner() {
const t = useTheme()
const gutters = useGutters([0, 'compact'])
const {data: trending, error, isLoading} = useTrendingTopics()
const noRecs = !isLoading && !error && !trending?.suggested?.length
const allFeeds = trending?.suggested && isAllFeeds(trending.suggested)
return error || noRecs ? null : (
<>
<View
style={[
a.flex_row,
isWeb
? [a.px_lg, a.py_lg, a.pt_2xl, a.gap_md]
: [a.p_lg, a.pt_2xl, a.gap_md],
a.border_b,
t.atoms.border_contrast_low,
]}>
<View style={[a.flex_1, a.gap_sm]}>
<View style={[a.flex_row, a.align_center, a.gap_sm]}>
<Hashtag_Stroke2_Corner0_Rounded
size="lg"
fill={t.palette.primary_500}
style={{marginLeft: -2}}
/>
<Text style={[a.text_2xl, a.font_heavy, t.atoms.text]}>
<Trans>Recommended</Trans>
</Text>
</View>
{!allFeeds ? (
<Text style={[t.atoms.text_contrast_high, a.leading_snug]}>
<Trans>
Content from across the network we think you might like.
</Trans>
</Text>
) : (
<Text style={[t.atoms.text_contrast_high, a.leading_snug]}>
<Trans>Feeds we think you might like.</Trans>
</Text>
)}
</View>
</View>
<View style={[a.pt_md, a.pb_lg]}>
<View
style={[
a.flex_row,
a.justify_start,
a.flex_wrap,
{rowGap: 8, columnGap: 6},
gutters,
]}>
{isLoading ? (
Array(RECOMMENDATIONS_COUNT)
.fill(0)
.map((_, i) => <TrendingTopicSkeleton key={i} index={i} />)
) : !trending?.suggested ? null : (
<>
{trending.suggested.map(topic => (
<TrendingTopicLink
key={topic.link}
topic={topic}
onPress={() => {
logEvent('recommendedTopic:click', {context: 'explore'})
}}>
{({hovered}) => (
<TrendingTopic
topic={topic}
style={[
hovered && [
t.atoms.border_contrast_high,
t.atoms.bg_contrast_25,
],
]}
/>
)}
</TrendingTopicLink>
))}
</>
)}
</View>
</View>
</>
)
}
function isAllFeeds(topics: AppBskyUnspeccedDefs.TrendingTopic[]) {
return topics.every(topic => {
const segments = topic.link.split('/').slice(1)
return segments[0] === 'profile' && segments[2] === 'feed'
})
}
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