132 lines
3.4 KiB
TypeScript
132 lines
3.4 KiB
TypeScript
import React, {useState, useEffect, useMemo} from 'react'
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import {StyleSheet, Text, TouchableOpacity, View} from 'react-native'
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import {observer} from 'mobx-react-lite'
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import useAppState from 'react-native-appstate-hook'
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import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
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import {ViewHeader} from '../com/util/ViewHeader'
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import {Feed} from '../com/posts/Feed'
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import {useStores} from '../../state'
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import {FeedModel} from '../../state/models/feed-view'
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import {ScreenParams} from '../routes'
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import {s, colors} from '../lib/styles'
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const HITSLOP = {left: 20, top: 20, right: 20, bottom: 20}
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export const Home = observer(function Home({
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navIdx,
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visible,
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scrollElRef,
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}: ScreenParams) {
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const store = useStores()
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const [hasSetup, setHasSetup] = useState<boolean>(false)
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const {appState} = useAppState({
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onForeground: () => doPoll(true),
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})
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const defaultFeedView = useMemo<FeedModel>(
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() =>
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new FeedModel(store, 'home', {
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algorithm: 'reverse-chronological',
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}),
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[store],
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)
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const doPoll = (knownActive = false) => {
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if ((!knownActive && appState !== 'active') || !visible) {
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return
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}
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if (defaultFeedView.isLoading) {
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return
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}
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console.log('Polling home feed')
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defaultFeedView.checkForLatest().catch(e => {
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console.error('Failed to poll feed', e)
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})
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}
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useEffect(() => {
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let aborted = false
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const pollInterval = setInterval(() => doPoll(), 15e3)
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if (!visible) {
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return
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}
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if (hasSetup) {
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console.log('Updating home feed')
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defaultFeedView.update()
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} else {
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store.nav.setTitle(navIdx, 'Home')
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console.log('Fetching home feed')
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defaultFeedView.setup().then(() => {
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if (aborted) return
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setHasSetup(true)
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})
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}
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return () => {
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clearInterval(pollInterval)
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aborted = true
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}
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}, [visible, store])
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const onPressCompose = () => {
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store.shell.openComposer({onPost: onCreatePost})
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}
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const onCreatePost = () => {
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defaultFeedView.loadLatest()
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}
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const onPressTryAgain = () => {
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defaultFeedView.refresh()
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}
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const onPressLoadLatest = () => {
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defaultFeedView.refresh()
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scrollElRef?.current?.scrollToOffset({offset: 0})
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}
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return (
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<View style={s.flex1}>
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<ViewHeader
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title="Bluesky"
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subtitle="Private Beta"
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onPost={onCreatePost}
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/>
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<Feed
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key="default"
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feed={defaultFeedView}
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scrollElRef={scrollElRef}
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style={{flex: 1}}
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onPressCompose={onPressCompose}
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onPressTryAgain={onPressTryAgain}
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/>
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{defaultFeedView.hasNewLatest ? (
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<TouchableOpacity
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style={styles.loadLatest}
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onPress={onPressLoadLatest}
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hitSlop={HITSLOP}>
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<FontAwesomeIcon icon="arrow-up" style={{color: colors.white}} />
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<Text style={styles.loadLatestText}>Load new posts</Text>
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</TouchableOpacity>
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) : undefined}
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</View>
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)
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})
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const styles = StyleSheet.create({
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loadLatest: {
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flexDirection: 'row',
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position: 'absolute',
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left: 10,
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bottom: 15,
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backgroundColor: colors.pink3,
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paddingHorizontal: 12,
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paddingVertical: 10,
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borderRadius: 30,
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shadowColor: '#000',
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shadowOpacity: 0.3,
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shadowOffset: {width: 0, height: 1},
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},
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loadLatestText: {
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color: colors.white,
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fontWeight: 'bold',
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marginLeft: 5,
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fontSize: 16,
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},
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})
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