mirror of https://github.com/tooot-app/app
169 lines
5.4 KiB
TypeScript
169 lines
5.4 KiB
TypeScript
import { HeaderLeft } from '@components/Header'
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import Timeline from '@components/Timeline'
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import TimelineDefault from '@components/Timeline/Default'
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import { TabSharedStackScreenProps } from '@utils/navigation/navigators'
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import { QueryKeyTimeline } from '@utils/queryHooks/timeline'
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import React, { useEffect, useRef, useState } from 'react'
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import { useTranslation } from 'react-i18next'
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import { FlatList, View } from 'react-native'
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import { InfiniteQueryObserver, useQueryClient } from '@tanstack/react-query'
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import ComponentSeparator from '@components/Separator'
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import { StyleConstants } from '@utils/styles/constants'
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const TabSharedToot: React.FC<TabSharedStackScreenProps<'Tab-Shared-Toot'>> = ({
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navigation,
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route: {
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params: { toot, rootQueryKey }
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}
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}) => {
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const { t } = useTranslation('screenTabs')
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useEffect(() => {
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navigation.setOptions({
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title: t('shared.toot.name'),
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headerLeft: () => <HeaderLeft onPress={() => navigation.goBack()} />
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})
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}, [])
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const queryKey: QueryKeyTimeline = ['Timeline', { page: 'Toot', toot: toot.id }]
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const flRef = useRef<FlatList>(null)
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const [itemsLength, setItemsLength] = useState(0)
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const scrolled = useRef(false)
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const queryClient = useQueryClient()
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const observer = new InfiniteQueryObserver(queryClient, {
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queryKey,
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enabled: false
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})
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const replyLevels = useRef<{ id: string; level: number }[]>([])
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const data = useRef<Mastodon.Status[]>()
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const highlightIndex = useRef<number>(0)
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useEffect(() => {
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return observer.subscribe(result => {
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if (result.isSuccess) {
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const flattenData = result.data?.pages
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? // @ts-ignore
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result.data.pages.flatMap(d => [...d.body])
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: []
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// Auto go back when toot page is empty
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if (flattenData.length < 1) {
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navigation.goBack()
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return
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}
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data.current = flattenData
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highlightIndex.current = flattenData.findIndex(({ id }) => id === toot.id)
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for (const [index, status] of flattenData.entries()) {
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if (status.id === toot.id) continue
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if (status.in_reply_to_id === toot.id) continue
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if (!replyLevels.current.find(reply => reply.id === status.in_reply_to_id)) {
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const prevLevel =
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replyLevels.current.find(reply => reply.id === flattenData[index - 1].in_reply_to_id)
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?.level || 0
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replyLevels.current.push({
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id: status.in_reply_to_id,
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level: prevLevel + 1
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})
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}
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}
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setItemsLength(flattenData.length)
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if (!scrolled.current) {
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scrolled.current = true
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const pointer = flattenData.findIndex(({ id }) => id === toot.id)
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if (pointer < 1) return
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const length = flRef.current?.props.data?.length
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if (!length) return
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try {
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setTimeout(() => {
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try {
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flRef.current?.scrollToIndex({
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index: pointer,
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viewOffset: 100
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})
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} catch {}
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}, 500)
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} catch (error) {
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return
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}
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}
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}
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})
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}, [scrolled.current, replyLevels.current])
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return (
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<Timeline
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flRef={flRef}
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queryKey={queryKey}
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queryOptions={{ staleTime: 0, refetchOnMount: true }}
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customProps={{
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ItemSeparatorComponent: ({ leadingItem }) => {
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const levels = {
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current:
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replyLevels.current.find(reply => reply.id === leadingItem.in_reply_to_id)?.level || 0
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}
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return (
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<ComponentSeparator
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extraMarginLeft={
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toot.id === leadingItem.id
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? 0
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: StyleConstants.Avatar.XS +
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StyleConstants.Spacing.S +
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Math.max(0, levels.current - 1) * 8
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}
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/>
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)
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},
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renderItem: ({ item, index }) => {
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const levels = {
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previous:
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replyLevels.current.find(
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reply => reply.id === data.current?.[index - 1]?.in_reply_to_id
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)?.level || 0,
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current:
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replyLevels.current.find(reply => reply.id === item.in_reply_to_id)?.level || 0,
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next:
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replyLevels.current.find(
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reply => reply.id === data.current?.[index + 1]?.in_reply_to_id
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)?.level || 0
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}
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return (
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<View style={{ marginLeft: Math.max(0, levels.current - 1) * StyleConstants.Spacing.S }}>
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<TimelineDefault
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item={item}
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queryKey={queryKey}
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rootQueryKey={rootQueryKey}
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highlighted={toot.id === item.id}
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isConversation={toot.id !== item.id}
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/>
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</View>
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)
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},
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onScrollToIndexFailed: error => {
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const offset = error.averageItemLength * error.index
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flRef.current?.scrollToOffset({ offset })
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try {
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error.index < itemsLength &&
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setTimeout(
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() =>
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flRef.current?.scrollToIndex({
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index: error.index,
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viewOffset: 100
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}),
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500
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)
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} catch {}
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}
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}}
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disableRefresh
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disableInfinity
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/>
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)
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}
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export default TabSharedToot
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