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import React from 'react'
import {StyleSheet, View} from 'react-native'
import {useFocusEffect} from '@react-navigation/native'
import {ScrollView} from '../com/util/Views'
import {observer} from 'mobx-react-lite'
import {
NativeStackScreenProps,
SearchTabNavigatorParams,
} from 'lib/routes/types'
import {useStores} from 'state/index'
import {s} from 'lib/styles'
import {WhoToFollow} from '../com/discover/WhoToFollow'
import {SuggestedPosts} from '../com/discover/SuggestedPosts'
import {usePalette} from 'lib/hooks/usePalette'
import {useOnMainScroll} from 'lib/hooks/useOnMainScroll'
const FIVE_MIN = 5 * 60 * 1e3
type Props = NativeStackScreenProps<SearchTabNavigatorParams, 'Search'>
export const SearchScreen = observer(({}: Props) => {
const pal = usePalette('default')
const store = useStores()
const scrollElRef = React.useRef<ScrollView>(null)
const onMainScroll = useOnMainScroll(store)
const [lastRenderTime, setRenderTime] = React.useState<number>(Date.now()) // used to trigger reloads
const onSoftReset = () => {
scrollElRef.current?.scrollTo({x: 0, y: 0})
}
useFocusEffect(
React.useCallback(() => {
const softResetSub = store.onScreenSoftReset(onSoftReset)
const now = Date.now()
if (now - lastRenderTime > FIVE_MIN) {
setRenderTime(Date.now()) // trigger reload of suggestions
}
store.shell.setMinimalShellMode(false)
return () => {
softResetSub.remove()
}
}, [store, lastRenderTime, setRenderTime]),
)
return (
<ScrollView
ref={scrollElRef}
testID="searchScrollView"
style={[pal.view, styles.container]}
onScroll={onMainScroll}
scrollEventThrottle={100}>
<WhoToFollow key={`wtf-${lastRenderTime}`} />
<SuggestedPosts key={`sp-${lastRenderTime}`} />
<View style={s.footerSpacer} />
</ScrollView>
)
})
const styles = StyleSheet.create({
container: {
flex: 1,
},
header: {
flexDirection: 'row',
alignItems: 'center',
paddingHorizontal: 12,
paddingTop: 4,
marginBottom: 14,
},
headerMenuBtn: {
width: 40,
height: 30,
marginLeft: 6,
},
headerSearchContainer: {
flex: 1,
flexDirection: 'row',
alignItems: 'center',
borderRadius: 30,
paddingHorizontal: 12,
paddingVertical: 8,
},
headerSearchIcon: {
marginRight: 6,
alignSelf: 'center',
},
headerSearchInput: {
flex: 1,
fontSize: 17,
},
headerCancelBtn: {
width: 60,
paddingLeft: 10,
},
searchPrompt: {
textAlign: 'center',
paddingTop: 10,
},
})
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