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import React, {useCallback} from 'react'
import {Dimensions, StyleProp, View, ViewStyle} from 'react-native'
import {AppBskyActorDefs, AppBskyGraphDefs} from '@atproto/api'
import {msg} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import {useWebMediaQueries} from '#/lib/hooks/useWebMediaQueries'
import {cleanError} from '#/lib/strings/errors'
import {logger} from '#/logger'
import {useModalControls} from '#/state/modals'
import {useListMembersQuery} from '#/state/queries/list-members'
import {useSession} from '#/state/session'
import {ListFooter} from '#/components/Lists'
import {ProfileCard} from '../profile/ProfileCard'
import {ErrorMessage} from '../util/error/ErrorMessage'
import {Button} from '../util/forms/Button'
import {List, ListRef} from '../util/List'
import {ProfileCardFeedLoadingPlaceholder} from '../util/LoadingPlaceholder'
import {LoadMoreRetryBtn} from '../util/LoadMoreRetryBtn'
const LOADING_ITEM = {_reactKey: '__loading__'}
const EMPTY_ITEM = {_reactKey: '__empty__'}
const ERROR_ITEM = {_reactKey: '__error__'}
const LOAD_MORE_ERROR_ITEM = {_reactKey: '__load_more_error__'}
export function ListMembers({
list,
style,
scrollElRef,
onScrolledDownChange,
onPressTryAgain,
renderHeader,
renderEmptyState,
testID,
headerOffset = 0,
desktopFixedHeightOffset,
}: {
list: string
style?: StyleProp<ViewStyle>
scrollElRef?: ListRef
onScrolledDownChange: (isScrolledDown: boolean) => void
onPressTryAgain?: () => void
renderHeader: () => JSX.Element
renderEmptyState: () => JSX.Element
testID?: string
headerOffset?: number
desktopFixedHeightOffset?: number
}) {
const {_} = useLingui()
const [isRefreshing, setIsRefreshing] = React.useState(false)
const {isMobile} = useWebMediaQueries()
const {openModal} = useModalControls()
const {currentAccount} = useSession()
const {
data,
isFetching,
isFetched,
isError,
error,
refetch,
fetchNextPage,
hasNextPage,
isFetchingNextPage,
} = useListMembersQuery(list)
const isEmpty = !isFetching && !data?.pages[0].items.length
const isOwner =
currentAccount && data?.pages[0].list.creator.did === currentAccount.did
const items = React.useMemo(() => {
let items: any[] = []
if (isFetched) {
if (isEmpty && isError) {
items = items.concat([ERROR_ITEM])
}
if (isEmpty) {
items = items.concat([EMPTY_ITEM])
} else if (data) {
for (const page of data.pages) {
items = items.concat(page.items)
}
}
if (!isEmpty && isError) {
items = items.concat([LOAD_MORE_ERROR_ITEM])
}
} else if (isFetching) {
items = items.concat([LOADING_ITEM])
}
return items
}, [isFetched, isEmpty, isError, data, isFetching])
// events
// =
const onRefresh = React.useCallback(async () => {
setIsRefreshing(true)
try {
await refetch()
} catch (err) {
logger.error('Failed to refresh lists', {message: err})
}
setIsRefreshing(false)
}, [refetch, setIsRefreshing])
const onEndReached = React.useCallback(async () => {
if (isFetching || !hasNextPage || isError) return
try {
await fetchNextPage()
} catch (err) {
logger.error('Failed to load more lists', {message: err})
}
}, [isFetching, hasNextPage, isError, fetchNextPage])
const onPressRetryLoadMore = React.useCallback(() => {
fetchNextPage()
}, [fetchNextPage])
const onPressEditMembership = React.useCallback(
(profile: AppBskyActorDefs.ProfileViewBasic) => {
openModal({
name: 'user-add-remove-lists',
subject: profile.did,
displayName: profile.displayName || profile.handle,
handle: profile.handle,
})
},
[openModal],
)
// rendering
// =
const renderMemberButton = React.useCallback(
(profile: AppBskyActorDefs.ProfileViewBasic) => {
if (!isOwner) {
return null
}
return (
<Button
testID={`user-${profile.handle}-editBtn`}
type="default"
label={_(msg({message: 'Edit', context: 'action'}))}
onPress={() => onPressEditMembership(profile)}
/>
)
},
[isOwner, onPressEditMembership, _],
)
const renderItem = React.useCallback(
({item}: {item: any}) => {
if (item === EMPTY_ITEM) {
return renderEmptyState()
} else if (item === ERROR_ITEM) {
return (
<ErrorMessage
message={cleanError(error)}
onPressTryAgain={onPressTryAgain}
/>
)
} else if (item === LOAD_MORE_ERROR_ITEM) {
return (
<LoadMoreRetryBtn
label={_(
msg`There was an issue fetching the list. Tap here to try again.`,
)}
onPress={onPressRetryLoadMore}
/>
)
} else if (item === LOADING_ITEM) {
return <ProfileCardFeedLoadingPlaceholder />
}
return (
<ProfileCard
testID={`user-${
(item as AppBskyGraphDefs.ListItemView).subject.handle
}`}
profile={(item as AppBskyGraphDefs.ListItemView).subject}
renderButton={renderMemberButton}
style={{paddingHorizontal: isMobile ? 8 : 14, paddingVertical: 4}}
noModFilter
/>
)
},
[
renderMemberButton,
renderEmptyState,
error,
onPressTryAgain,
onPressRetryLoadMore,
isMobile,
_,
],
)
const renderFooter = useCallback(() => {
if (isEmpty) return null
return (
<ListFooter
hasNextPage={hasNextPage}
error={cleanError(error)}
isFetchingNextPage={isFetchingNextPage}
onRetry={fetchNextPage}
/>
)
}, [hasNextPage, error, isFetchingNextPage, fetchNextPage, isEmpty])
return (
<View testID={testID} style={style}>
<List
testID={testID ? `${testID}-flatlist` : undefined}
ref={scrollElRef}
data={items}
keyExtractor={(item: any) => item.subject?.did || item._reactKey}
renderItem={renderItem}
ListHeaderComponent={!isEmpty ? renderHeader : undefined}
ListFooterComponent={renderFooter}
refreshing={isRefreshing}
onRefresh={onRefresh}
headerOffset={headerOffset}
contentContainerStyle={{
minHeight: Dimensions.get('window').height * 1.5,
}}
onScrolledDownChange={onScrolledDownChange}
onEndReached={onEndReached}
onEndReachedThreshold={0.6}
removeClippedSubviews={true}
// @ts-ignore our .web version only -prf
desktopFixedHeight={desktopFixedHeightOffset || true}
/>
</View>
)
}
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