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import React, {useEffect, useCallback} from 'react'
import {RefreshControl, StyleSheet, View} from 'react-native'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import {usePalette} from 'lib/hooks/usePalette'
import {observer} from 'mobx-react-lite'
import {useStores} from 'state/index'
import {FlatList} from 'view/com/util/Views'
import {Text} from 'view/com/util/text/Text'
import {isDesktopWeb} from 'platform/detection'
import {s} from 'lib/styles'
import {Link, TextLink} from 'view/com/util/Link'
import {CustomFeed} from './CustomFeed'
export const SavedFeeds = observer(
({
headerOffset = 0,
isPageFocused,
}: {
headerOffset?: number
isPageFocused: boolean
}) => {
const pal = usePalette('default')
const store = useStores()
useEffect(() => {
if (isPageFocused) {
store.shell.setMinimalShellMode(false)
store.me.savedFeeds.refresh(true)
}
}, [store, isPageFocused])
const onRefresh = useCallback(() => {
store.me.savedFeeds.refresh()
}, [store])
const renderListEmptyComponent = useCallback(() => {
return (
<View
style={[
pal.border,
!isDesktopWeb && s.flex1,
pal.viewLight,
styles.empty,
]}>
<Text type="lg" style={[pal.text]}>
You don't have any saved feeds. You can find feeds by searching on
Bluesky.
</Text>
</View>
)
}, [pal])
const renderListFooterComponent = useCallback(() => {
return (
<>
<View style={[styles.footerLinks, pal.border]}>
<Link style={[styles.footerLink, pal.border]} href="/search/feeds">
<FontAwesomeIcon
icon="search"
size={18}
color={pal.colors.icon}
/>
<Text type="lg-medium" style={pal.textLight}>
Discover new feeds
</Text>
</Link>
{!store.me.savedFeeds.isEmpty && (
<Link
style={[styles.footerLink, pal.border]}
href="/settings/saved-feeds">
<FontAwesomeIcon icon="cog" size={18} color={pal.colors.icon} />
<Text type="lg-medium" style={pal.textLight}>
Change Order
</Text>
</Link>
)}
</View>
<View style={styles.footerText}>
<Text type="sm" style={pal.textLight}>
Feeds are custom algorithms that users build with a little coding
expertise.{' '}
<TextLink
type="sm"
style={pal.link}
href="https://github.com/bluesky-social/feed-generator"
text="See this guide"
/>{' '}
for more information.
</Text>
</View>
</>
)
}, [pal, store.me.savedFeeds.isEmpty])
const renderItem = useCallback(
({item}) => <CustomFeed key={item.data.uri} item={item} />,
[],
)
return (
<FlatList
style={[!isDesktopWeb && s.flex1, {paddingTop: headerOffset}]}
data={store.me.savedFeeds.feeds}
keyExtractor={item => item.data.uri}
refreshing={store.me.savedFeeds.isRefreshing}
refreshControl={
<RefreshControl
refreshing={store.me.savedFeeds.isRefreshing}
onRefresh={onRefresh}
tintColor={pal.colors.text}
titleColor={pal.colors.text}
progressViewOffset={headerOffset}
/>
}
renderItem={renderItem}
initialNumToRender={10}
ListFooterComponent={renderListFooterComponent}
ListEmptyComponent={renderListEmptyComponent}
extraData={store.me.savedFeeds.isLoading}
contentOffset={{x: 0, y: headerOffset * -1}}
// @ts-ignore our .web version only -prf
desktopFixedHeight
/>
)
},
)
const styles = StyleSheet.create({
footerLinks: {
marginTop: 8,
borderBottomWidth: 1,
},
footerLink: {
flexDirection: 'row',
borderTopWidth: 1,
paddingHorizontal: 26,
paddingVertical: 18,
gap: 18,
},
empty: {
paddingHorizontal: 18,
paddingVertical: 16,
borderRadius: 8,
marginHorizontal: 18,
marginTop: 10,
},
footerText: {
paddingHorizontal: 26,
paddingVertical: 22,
},
})
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