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import React, {useState, useEffect} from 'react'
import {View} from 'react-native'
import {observer} from 'mobx-react-lite'
import {Feed} from '../com/posts/Feed'
import {FAB} from '../com/util/FloatingActionButton'
import {useStores} from '../../state'
import {FeedViewModel} from '../../state/models/feed-view'
import {ComposePostModel} from '../../state/models/shell'
import {ScreenParams} from '../routes'
import {s} from '../lib/styles'
export const Home = observer(function Home({visible}: ScreenParams) {
const [hasSetup, setHasSetup] = useState<boolean>(false)
const [feedView, setFeedView] = useState<FeedViewModel | undefined>()
const store = useStores()
useEffect(() => {
if (!visible) {
return
}
if (hasSetup) {
console.log('Updating home feed')
feedView?.update()
} else {
store.nav.setTitle('Home')
console.log('Fetching home feed')
const newFeedView = new FeedViewModel(store, {})
setFeedView(newFeedView)
newFeedView.setup().then(() => setHasSetup(true))
}
}, [visible, store])
const onComposePress = () => {
store.shell.openModal(new ComposePostModel({onPost: onCreatePost}))
}
const onCreatePost = () => {
feedView?.loadLatest()
}
return (
<View style={s.flex1}>
{feedView && <Feed feed={feedView} />}
<FAB icon="pen-nib" onPress={onComposePress} />
</View>
)
})
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