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import React, {MutableRefObject} from 'react'
import {
RefreshControl,
StyleProp,
StyleSheet,
View,
ViewStyle,
FlatList,
} from 'react-native'
import {observer} from 'mobx-react-lite'
import {
FontAwesomeIcon,
FontAwesomeIconStyle,
} from '@fortawesome/react-native-fontawesome'
import {AppBskyGraphDefs as GraphDefs} from '@atproto/api'
import {ListCard} from './ListCard'
import {ProfileCardFeedLoadingPlaceholder} from '../util/LoadingPlaceholder'
import {ErrorMessage} from '../util/error/ErrorMessage'
import {LoadMoreRetryBtn} from '../util/LoadMoreRetryBtn'
import {Button} from '../util/forms/Button'
import {Text} from '../util/text/Text'
import {ListsListModel} from 'state/models/lists/lists-list'
import {useAnalytics} from 'lib/analytics/analytics'
import {usePalette} from 'lib/hooks/usePalette'
import {s} from 'lib/styles'
const LOADING_ITEM = {_reactKey: '__loading__'}
const CREATENEW_ITEM = {_reactKey: '__loading__'}
const EMPTY_ITEM = {_reactKey: '__empty__'}
const ERROR_ITEM = {_reactKey: '__error__'}
const LOAD_MORE_ERROR_ITEM = {_reactKey: '__load_more_error__'}
export const ListsList = observer(
({
listsList,
showAddBtns,
style,
scrollElRef,
onPressTryAgain,
onPressCreateNew,
renderItem,
renderEmptyState,
testID,
headerOffset = 0,
}: {
listsList: ListsListModel
showAddBtns?: boolean
style?: StyleProp<ViewStyle>
scrollElRef?: MutableRefObject<FlatList<any> | null>
onPressCreateNew: () => void
onPressTryAgain?: () => void
renderItem?: (list: GraphDefs.ListView) => JSX.Element
renderEmptyState?: () => JSX.Element
testID?: string
headerOffset?: number
}) => {
const pal = usePalette('default')
const {track} = useAnalytics()
const [isRefreshing, setIsRefreshing] = React.useState(false)
const data = React.useMemo(() => {
let items: any[] = []
if (listsList.hasLoaded) {
if (listsList.hasError) {
items = items.concat([ERROR_ITEM])
}
if (listsList.isEmpty) {
items = items.concat([EMPTY_ITEM])
} else {
if (showAddBtns) {
items = items.concat([CREATENEW_ITEM])
}
items = items.concat(listsList.lists)
}
if (listsList.loadMoreError) {
items = items.concat([LOAD_MORE_ERROR_ITEM])
}
} else if (listsList.isLoading) {
items = items.concat([LOADING_ITEM])
}
return items
}, [
listsList.hasError,
listsList.hasLoaded,
listsList.isLoading,
listsList.isEmpty,
listsList.lists,
listsList.loadMoreError,
showAddBtns,
])
// events
// =
const onRefresh = React.useCallback(async () => {
track('Lists:onRefresh')
setIsRefreshing(true)
try {
await listsList.refresh()
} catch (err) {
listsList.rootStore.log.error('Failed to refresh lists', err)
}
setIsRefreshing(false)
}, [listsList, track, setIsRefreshing])
const onEndReached = React.useCallback(async () => {
track('Lists:onEndReached')
try {
await listsList.loadMore()
} catch (err) {
listsList.rootStore.log.error('Failed to load more lists', err)
}
}, [listsList, track])
const onPressRetryLoadMore = React.useCallback(() => {
listsList.retryLoadMore()
}, [listsList])
// rendering
// =
const renderItemInner = React.useCallback(
({item}: {item: any}) => {
if (item === EMPTY_ITEM) {
if (renderEmptyState) {
return renderEmptyState()
}
return <View />
} else if (item === CREATENEW_ITEM) {
return <CreateNewItem onPress={onPressCreateNew} />
} else if (item === ERROR_ITEM) {
return (
<ErrorMessage
message={listsList.error}
onPressTryAgain={onPressTryAgain}
/>
)
} else if (item === LOAD_MORE_ERROR_ITEM) {
return (
<LoadMoreRetryBtn
label="There was an issue fetching your lists. Tap here to try again."
onPress={onPressRetryLoadMore}
/>
)
} else if (item === LOADING_ITEM) {
return <ProfileCardFeedLoadingPlaceholder />
}
return renderItem ? (
renderItem(item)
) : (
<ListCard
list={item}
testID={`list-${item.name}`}
style={styles.item}
/>
)
},
[
listsList,
onPressTryAgain,
onPressRetryLoadMore,
onPressCreateNew,
renderItem,
renderEmptyState,
],
)
return (
<View testID={testID} style={style}>
{data.length > 0 && (
<FlatList
testID={testID ? `${testID}-flatlist` : undefined}
ref={scrollElRef}
data={data}
keyExtractor={item => item._reactKey}
renderItem={renderItemInner}
refreshControl={
<RefreshControl
refreshing={isRefreshing}
onRefresh={onRefresh}
tintColor={pal.colors.text}
titleColor={pal.colors.text}
progressViewOffset={headerOffset}
/>
}
contentContainerStyle={[s.contentContainer]}
style={{paddingTop: headerOffset}}
onEndReached={onEndReached}
onEndReachedThreshold={0.6}
removeClippedSubviews={true}
contentOffset={{x: 0, y: headerOffset * -1}}
// @ts-ignore our .web version only -prf
desktopFixedHeight
/>
)}
</View>
)
},
)
function CreateNewItem({onPress}: {onPress: () => void}) {
const pal = usePalette('default')
return (
<View style={[styles.createNewContainer]}>
<Button type="default" onPress={onPress} style={styles.createNewButton}>
<FontAwesomeIcon icon="plus" style={pal.text as FontAwesomeIconStyle} />
<Text type="button" style={pal.text}>
New Mute List
</Text>
</Button>
</View>
)
}
const styles = StyleSheet.create({
createNewContainer: {
flexDirection: 'row',
alignItems: 'center',
paddingHorizontal: 18,
paddingTop: 18,
paddingBottom: 16,
},
createNewButton: {
flexDirection: 'row',
alignItems: 'center',
gap: 8,
},
feedFooter: {paddingTop: 20},
item: {
paddingHorizontal: 18,
},
})
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