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import React, {useState, useEffect, useMemo} from 'react'
import {View} from 'react-native'
import {observer} from 'mobx-react-lite'
import {ViewHeader} from '../com/util/ViewHeader'
import {Feed} from '../com/posts/Feed'
import {FAB} from '../com/util/FloatingActionButton'
import {useStores} from '../../state'
import {FeedModel} from '../../state/models/feed-view'
import {ScreenParams} from '../routes'
import {s} from '../lib/styles'
import {BUILD} from '../../env'
export const Home = observer(function Home({
visible,
scrollElRef,
}: ScreenParams) {
const store = useStores()
const [hasSetup, setHasSetup] = useState<boolean>(false)
const defaultFeedView = useMemo<FeedModel>(
() =>
new FeedModel(store, 'home', {
algorithm: 'reverse-chronological',
}),
[store],
)
useEffect(() => {
let aborted = false
if (!visible) {
return
}
if (hasSetup) {
console.log('Updating home feed')
defaultFeedView.update()
} else {
store.nav.setTitle('Home')
console.log('Fetching home feed')
defaultFeedView.setup().then(() => {
if (aborted) return
setHasSetup(true)
})
}
return () => {
aborted = true
}
}, [visible, store])
const onComposePress = () => {
store.shell.openComposer({onPost: onCreatePost})
}
const onCreatePost = () => {
defaultFeedView.loadLatest()
}
return (
<View style={s.flex1}>
<ViewHeader
title="Bluesky"
subtitle={`Private Beta${BUILD !== 'prod' ? ` [${BUILD}]` : ''}`}
/>
<Feed key="default" feed={defaultFeedView} scrollElRef={scrollElRef} />
<FAB icon="pen-nib" onPress={onComposePress} />
</View>
)
})
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