bsky-app/src/view/screens/CustomFeed.tsx
2023-05-24 18:50:19 -05:00

349 lines
11 KiB
TypeScript

import React, {useMemo, useRef} from 'react'
import {NativeStackScreenProps} from '@react-navigation/native-stack'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import {usePalette} from 'lib/hooks/usePalette'
import {HeartIcon, HeartIconSolid} from 'lib/icons'
import {CommonNavigatorParams} from 'lib/routes/types'
import {makeRecordUri} from 'lib/strings/url-helpers'
import {colors, s} from 'lib/styles'
import {observer} from 'mobx-react-lite'
import {FlatList, StyleSheet, View} from 'react-native'
import {useStores} from 'state/index'
import {PostsFeedModel} from 'state/models/feeds/posts'
import {useCustomFeed} from 'lib/hooks/useCustomFeed'
import {withAuthRequired} from 'view/com/auth/withAuthRequired'
import {Feed} from 'view/com/posts/Feed'
import {pluralize} from 'lib/strings/helpers'
import {TextLink} from 'view/com/util/Link'
import {UserAvatar} from 'view/com/util/UserAvatar'
import {ViewHeader} from 'view/com/util/ViewHeader'
import {Button} from 'view/com/util/forms/Button'
import {Text} from 'view/com/util/text/Text'
import * as Toast from 'view/com/util/Toast'
import {isDesktopWeb} from 'platform/detection'
import {useSetTitle} from 'lib/hooks/useSetTitle'
import {shareUrl} from 'lib/sharing'
import {toShareUrl} from 'lib/strings/url-helpers'
import {Haptics} from 'lib/haptics'
import {ComposeIcon2} from 'lib/icons'
import {FAB} from '../com/util/fab/FAB'
import {LoadLatestBtn} from 'view/com/util/load-latest/LoadLatestBtn'
import {useOnMainScroll} from 'lib/hooks/useOnMainScroll'
type Props = NativeStackScreenProps<CommonNavigatorParams, 'CustomFeed'>
export const CustomFeedScreen = withAuthRequired(
observer(({route}: Props) => {
const store = useStores()
const pal = usePalette('default')
const {rkey, name} = route.params
const uri = useMemo(
() => makeRecordUri(name, 'app.bsky.feed.generator', rkey),
[rkey, name],
)
const scrollElRef = useRef<FlatList>(null)
const currentFeed = useCustomFeed(uri)
const algoFeed: PostsFeedModel = useMemo(() => {
const feed = new PostsFeedModel(store, 'custom', {
feed: uri,
})
feed.setup()
return feed
}, [store, uri])
const isPinned = store.me.savedFeeds.isPinned(uri)
const [onMainScroll, isScrolledDown, resetMainScroll] =
useOnMainScroll(store)
useSetTitle(currentFeed?.displayName)
const onToggleSaved = React.useCallback(async () => {
try {
Haptics.default()
if (currentFeed?.isSaved) {
await currentFeed?.unsave()
} else {
await currentFeed?.save()
}
} catch (err) {
Toast.show(
'There was an an issue updating your feeds, please check your internet connection and try again.',
)
store.log.error('Failed up update feeds', {err})
}
}, [store, currentFeed])
const onToggleLiked = React.useCallback(async () => {
Haptics.default()
try {
if (currentFeed?.isLiked) {
await currentFeed?.unlike()
} else {
await currentFeed?.like()
}
} catch (err) {
Toast.show(
'There was an an issue contacting the server, please check your internet connection and try again.',
)
store.log.error('Failed up toggle like', {err})
}
}, [store, currentFeed])
const onTogglePinned = React.useCallback(async () => {
Haptics.default()
store.me.savedFeeds.togglePinnedFeed(currentFeed!).catch(e => {
Toast.show('There was an issue contacting the server')
store.log.error('Failed to toggle pinned feed', {e})
})
}, [store, currentFeed])
const onPressShare = React.useCallback(() => {
const url = toShareUrl(`/profile/${name}/feed/${rkey}`)
shareUrl(url)
}, [name, rkey])
const onScrollToTop = React.useCallback(() => {
scrollElRef.current?.scrollToOffset({offset: 0, animated: true})
resetMainScroll()
}, [scrollElRef, resetMainScroll])
const onPressCompose = React.useCallback(() => {
store.shell.openComposer({})
}, [store])
const renderHeaderBtns = React.useCallback(() => {
return (
<View style={styles.headerBtns}>
<Button
testID="shareBtn"
type="default"
accessibilityLabel="Share this feed"
accessibilityHint=""
onPress={onPressShare}>
<FontAwesomeIcon icon="share" size={18} color={pal.colors.icon} />
</Button>
<Button
type="default"
testID="toggleLikeBtn"
accessibilityLabel="Like this feed"
accessibilityHint=""
onPress={onToggleLiked}>
{currentFeed?.isLiked ? (
<HeartIconSolid size={18} style={styles.liked} />
) : (
<HeartIcon strokeWidth={3} size={18} style={pal.textLight} />
)}
</Button>
<Button
type={currentFeed?.isSaved ? 'default' : 'inverted'}
onPress={onToggleSaved}
accessibilityLabel={
currentFeed?.isSaved ? 'Remove from my feeds' : 'Add to my feeds'
}
accessibilityHint=""
label={
currentFeed?.isSaved ? 'Remove from My Feeds' : 'Add to My Feeds'
}
/>
</View>
)
}, [
pal,
currentFeed?.isSaved,
currentFeed?.isLiked,
onToggleSaved,
onToggleLiked,
onPressShare,
])
const renderListHeaderComponent = React.useCallback(() => {
return (
<>
<View style={[styles.header, pal.border]}>
<View style={s.flex1}>
<Text
testID="feedName"
type="title-xl"
style={[pal.text, s.bold]}>
{currentFeed?.displayName}
</Text>
{currentFeed && (
<Text type="md" style={[pal.textLight]} numberOfLines={1}>
by{' '}
{currentFeed.data.creator.did === store.me.did ? (
'you'
) : (
<TextLink
text={`@${currentFeed.data.creator.handle}`}
href={`/profile/${currentFeed.data.creator.did}`}
style={[pal.textLight]}
/>
)}
</Text>
)}
{isDesktopWeb && (
<View style={styles.headerBtns}>
<Button
type={currentFeed?.isSaved ? 'default' : 'inverted'}
onPress={onToggleSaved}
accessibilityLabel={
currentFeed?.isSaved
? 'Unsave this feed'
: 'Save this feed'
}
accessibilityHint=""
label={
currentFeed?.isSaved
? 'Remove from My Feeds'
: 'Add to My Feeds'
}
/>
<Button
type="default"
accessibilityLabel="Like this feed"
accessibilityHint=""
onPress={onToggleLiked}>
{currentFeed?.isLiked ? (
<HeartIconSolid size={18} style={styles.liked} />
) : (
<HeartIcon strokeWidth={3} size={18} style={pal.icon} />
)}
</Button>
<Button
type="default"
accessibilityLabel="Share this feed"
accessibilityHint=""
onPress={onPressShare}>
<FontAwesomeIcon
icon="share"
size={18}
color={pal.colors.icon}
/>
</Button>
</View>
)}
</View>
<View>
<UserAvatar
type="algo"
avatar={currentFeed?.data.avatar}
size={64}
/>
</View>
</View>
<View style={styles.headerDetails}>
{currentFeed?.data.description ? (
<Text style={[pal.text, s.mb10]} numberOfLines={6}>
{currentFeed.data.description}
</Text>
) : null}
<View style={styles.headerDetailsFooter}>
{currentFeed ? (
<TextLink
type="md-medium"
style={pal.textLight}
href={`/profile/${name}/feed/${rkey}/liked-by`}
text={`Liked by ${currentFeed.data.likeCount} ${pluralize(
currentFeed?.data.likeCount || 0,
'user',
)}`}
/>
) : null}
<Button
type={'default'}
accessibilityLabel={
isPinned ? 'Unpin this feed' : 'Pin this feed'
}
accessibilityHint=""
onPress={onTogglePinned}>
<FontAwesomeIcon
icon="thumb-tack"
size={20}
color={isPinned ? colors.blue3 : pal.colors.icon}
/>
</Button>
</View>
</View>
<View style={[styles.fakeSelector, pal.border]}>
<View
style={[styles.fakeSelectorItem, {borderColor: pal.colors.link}]}>
<Text type="md-medium" style={[pal.text]}>
Feed
</Text>
</View>
</View>
</>
)
}, [
pal,
currentFeed,
store.me.did,
onToggleSaved,
onToggleLiked,
onPressShare,
name,
rkey,
isPinned,
onTogglePinned,
])
return (
<View style={s.hContentRegion}>
<ViewHeader title="" renderButton={renderHeaderBtns} />
<Feed
scrollElRef={scrollElRef}
feed={algoFeed}
onScroll={onMainScroll}
scrollEventThrottle={100}
ListHeaderComponent={renderListHeaderComponent}
extraData={[uri, isPinned]}
/>
{isScrolledDown ? (
<LoadLatestBtn onPress={onScrollToTop} label="Scroll to top" />
) : null}
<FAB
testID="composeFAB"
onPress={onPressCompose}
icon={<ComposeIcon2 strokeWidth={1.5} size={29} style={s.white} />}
accessibilityRole="button"
accessibilityLabel="Compose post"
accessibilityHint=""
/>
</View>
)
}),
)
const styles = StyleSheet.create({
header: {
flexDirection: 'row',
gap: 12,
paddingHorizontal: 16,
paddingTop: 12,
paddingBottom: 16,
borderTopWidth: 1,
},
headerBtns: {
flexDirection: 'row',
gap: 8,
marginTop: 10,
},
headerDetails: {
paddingHorizontal: 16,
paddingBottom: 16,
},
headerDetailsFooter: {
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'space-between',
},
fakeSelector: {
flexDirection: 'row',
paddingHorizontal: isDesktopWeb ? 16 : 6,
},
fakeSelectorItem: {
paddingHorizontal: 12,
paddingBottom: 8,
borderBottomWidth: 3,
},
liked: {
color: colors.red3,
},
})