bsky-app/src/view/com/notifications/FeedItem.tsx
2023-01-20 08:35:35 -06:00

437 lines
11 KiB
TypeScript

import React from 'react'
import {observer} from 'mobx-react-lite'
import {
Animated,
TouchableOpacity,
TouchableWithoutFeedback,
StyleSheet,
View,
} from 'react-native'
import {AppBskyEmbedImages} from '@atproto/api'
import {AtUri} from '../../../third-party/uri'
import {FontAwesomeIcon, Props} from '@fortawesome/react-native-fontawesome'
import {NotificationsViewItemModel} from '../../../state/models/notifications-view'
import {PostThreadViewModel} from '../../../state/models/post-thread-view'
import {s, colors} from '../../lib/styles'
import {ago, pluralize} from '../../../lib/strings'
import {HeartIconSolid} from '../../lib/icons'
import {Text} from '../util/text/Text'
import {UserAvatar} from '../util/UserAvatar'
import {ImageHorzList} from '../util/images/ImageHorzList'
import {ErrorMessage} from '../util/error/ErrorMessage'
import {Post} from '../post/Post'
import {Link} from '../util/Link'
import {usePalette} from '../../lib/hooks/usePalette'
import {useAnimatedValue} from '../../lib/hooks/useAnimatedValue'
const MAX_AUTHORS = 8
const EXPANDED_AUTHOR_EL_HEIGHT = 35
interface Author {
href: string
handle: string
displayName?: string
avatar?: string
}
export const FeedItem = observer(function FeedItem({
item,
}: {
item: NotificationsViewItemModel
}) {
const pal = usePalette('default')
const [isAuthorsExpanded, setAuthorsExpanded] = React.useState<boolean>(false)
const itemHref = React.useMemo(() => {
if (item.isUpvote || item.isRepost) {
const urip = new AtUri(item.subjectUri)
return `/profile/${urip.host}/post/${urip.rkey}`
} else if (item.isFollow || item.isAssertion) {
return `/profile/${item.author.handle}`
} else if (item.isReply) {
const urip = new AtUri(item.uri)
return `/profile/${urip.host}/post/${urip.rkey}`
}
return ''
}, [item])
const itemTitle = React.useMemo(() => {
if (item.isUpvote || item.isRepost) {
return 'Post'
} else if (item.isFollow || item.isAssertion) {
return item.author.handle
} else if (item.isReply) {
return 'Post'
}
}, [item])
const onToggleAuthorsExpanded = () => {
setAuthorsExpanded(!isAuthorsExpanded)
}
if (item.additionalPost?.notFound) {
// don't render anything if the target post was deleted or unfindable
return <View />
}
if (item.isReply || item.isMention) {
return (
<Link href={itemHref} title={itemTitle} noFeedback>
<Post
uri={item.uri}
initView={item.additionalPost}
style={
item.isRead
? undefined
: [
styles.outerUnread,
{backgroundColor: pal.colors.unreadNotifBg},
]
}
/>
</Link>
)
}
let action = ''
let icon: Props['icon'] | 'HeartIconSolid'
let iconStyle: Props['style'] = []
if (item.isUpvote) {
action = 'liked your post'
icon = 'HeartIconSolid'
iconStyle = [s.red3, {position: 'relative', top: -4}]
} else if (item.isRepost) {
action = 'reposted your post'
icon = 'retweet'
iconStyle = [s.green3]
} else if (item.isReply) {
action = 'replied to your post'
icon = ['far', 'comment']
} else if (item.isFollow) {
action = 'followed you'
icon = 'user-plus'
iconStyle = [s.blue3]
} else {
return <></>
}
let authors: Author[] = [
{
href: `/profile/${item.author.handle}`,
handle: item.author.handle,
displayName: item.author.displayName,
avatar: item.author.avatar,
},
]
if (item.additional?.length) {
authors = authors.concat(
item.additional.map(item2 => ({
href: `/profile/${item2.author.handle}`,
handle: item2.author.handle,
displayName: item2.author.displayName,
avatar: item2.author.avatar,
})),
)
}
return (
<Link
style={[
styles.outer,
pal.view,
pal.border,
item.isRead
? undefined
: [styles.outerUnread, {backgroundColor: pal.colors.unreadNotifBg}],
]}
href={itemHref}
title={itemTitle}
noFeedback>
<View style={styles.layout}>
<View style={styles.layoutIcon}>
{icon === 'HeartIconSolid' ? (
<HeartIconSolid size={28} style={[styles.icon, ...iconStyle]} />
) : (
<FontAwesomeIcon
icon={icon}
size={24}
style={[styles.icon, ...iconStyle]}
/>
)}
</View>
<View style={styles.layoutContent}>
<TouchableWithoutFeedback
onPress={authors.length > 1 ? onToggleAuthorsExpanded : () => {}}>
<View>
<CondensedAuthorsList
visible={!isAuthorsExpanded}
authors={authors}
onToggleAuthorsExpanded={onToggleAuthorsExpanded}
/>
<ExpandedAuthorsList
visible={isAuthorsExpanded}
authors={authors}
/>
<View style={styles.meta}>
<Link
key={authors[0].href}
style={styles.metaItem}
href={authors[0].href}
title={`@${authors[0].handle}`}>
<Text style={[pal.text, s.bold]}>
{authors[0].displayName || authors[0].handle}
</Text>
</Link>
{authors.length > 1 ? (
<>
<Text style={[styles.metaItem, pal.text]}>and</Text>
<Text style={[styles.metaItem, pal.text, s.bold]}>
{authors.length - 1}{' '}
{pluralize(authors.length - 1, 'other')}
</Text>
</>
) : undefined}
<Text style={[styles.metaItem, pal.text]}>{action}</Text>
<Text style={[styles.metaItem, pal.textLight]}>
{ago(item.indexedAt)}
</Text>
</View>
</View>
</TouchableWithoutFeedback>
{item.isUpvote || item.isRepost ? (
<AdditionalPostText additionalPost={item.additionalPost} />
) : (
<></>
)}
</View>
</View>
</Link>
)
})
function CondensedAuthorsList({
visible,
authors,
onToggleAuthorsExpanded,
}: {
visible: boolean
authors: Author[]
onToggleAuthorsExpanded: () => void
}) {
const pal = usePalette('default')
if (!visible) {
return (
<View style={styles.avis}>
<TouchableOpacity
style={styles.expandedAuthorsCloseBtn}
onPress={onToggleAuthorsExpanded}>
<FontAwesomeIcon
icon="angle-up"
size={18}
style={[styles.expandedAuthorsCloseBtnIcon, pal.text]}
/>
<Text type="sm-medium" style={pal.text}>
Hide
</Text>
</TouchableOpacity>
</View>
)
}
if (authors.length === 1) {
return (
<View style={styles.avis}>
<Link
style={s.mr5}
href={authors[0].href}
title={`@${authors[0].handle}`}>
<UserAvatar
size={35}
displayName={authors[0].displayName}
handle={authors[0].handle}
avatar={authors[0].avatar}
/>
</Link>
</View>
)
}
return (
<View style={styles.avis}>
{authors.slice(0, MAX_AUTHORS).map(author => (
<View key={author.href} style={s.mr5}>
<UserAvatar
size={35}
displayName={author.displayName}
handle={author.handle}
avatar={author.avatar}
/>
</View>
))}
{authors.length > MAX_AUTHORS ? (
<Text style={[styles.aviExtraCount, pal.textLight]}>
+{authors.length - MAX_AUTHORS}
</Text>
) : undefined}
<FontAwesomeIcon
icon="angle-down"
size={18}
style={[styles.expandedAuthorsCloseBtnIcon, pal.icon]}
/>
</View>
)
}
function ExpandedAuthorsList({
visible,
authors,
}: {
visible: boolean
authors: Author[]
}) {
const pal = usePalette('default')
const heightInterp = useAnimatedValue(visible ? 1 : 0)
const targetHeight =
authors.length * (EXPANDED_AUTHOR_EL_HEIGHT + 10) /*10=margin*/
const heightStyle = {
height: Animated.multiply(heightInterp, targetHeight),
overflow: 'hidden',
}
React.useEffect(() => {
Animated.timing(heightInterp, {
toValue: visible ? 1 : 0,
duration: 200,
useNativeDriver: false,
}).start()
}, [heightInterp, visible])
return (
<Animated.View style={(s.mb5, heightStyle)}>
{authors.map(author => (
<Link
key={author.href}
href={author.href}
title={author.displayName || author.handle}
style={styles.expandedAuthor}>
<View style={styles.expandedAuthorAvi}>
<UserAvatar
size={35}
displayName={author.displayName}
handle={author.handle}
avatar={author.avatar}
/>
</View>
<View style={s.flex1}>
<Text type="lg-bold" numberOfLines={1} style={pal.text}>
{author.displayName || author.handle}
&nbsp;
<Text style={[pal.textLight]}>{author.handle}</Text>
</Text>
</View>
</Link>
))}
</Animated.View>
)
}
function AdditionalPostText({
additionalPost,
}: {
additionalPost?: PostThreadViewModel
}) {
const pal = usePalette('default')
if (!additionalPost || !additionalPost.thread?.postRecord) {
return <View />
}
if (additionalPost.error) {
return <ErrorMessage message={additionalPost.error} />
}
const text = additionalPost.thread?.postRecord.text
const images = (
additionalPost.thread.post.embed as AppBskyEmbedImages.Presented
)?.images
return (
<>
{text?.length > 0 && <Text style={pal.textLight}>{text}</Text>}
{images && images?.length > 0 && (
<ImageHorzList
uris={images?.map(img => img.thumb)}
style={styles.additionalPostImages}
/>
)}
</>
)
}
const styles = StyleSheet.create({
outer: {
padding: 10,
paddingRight: 15,
borderTopWidth: 1,
},
outerUnread: {
borderColor: colors.blue1,
},
layout: {
flexDirection: 'row',
},
layoutIcon: {
width: 70,
alignItems: 'flex-end',
paddingTop: 2,
},
icon: {
marginRight: 10,
marginTop: 4,
},
avis: {
flexDirection: 'row',
alignItems: 'center',
},
aviExtraCount: {
fontWeight: 'bold',
paddingLeft: 6,
},
layoutContent: {
flex: 1,
},
meta: {
flexDirection: 'row',
flexWrap: 'wrap',
paddingTop: 6,
paddingBottom: 2,
},
metaItem: {
paddingRight: 3,
},
postText: {
paddingBottom: 5,
color: colors.black,
},
additionalPostImages: {
marginTop: 5,
marginLeft: 2,
opacity: 0.8,
},
addedContainer: {
paddingTop: 4,
paddingLeft: 36,
},
expandedAuthorsCloseBtn: {
flexDirection: 'row',
alignItems: 'center',
paddingTop: 10,
paddingBottom: 6,
},
expandedAuthorsCloseBtnIcon: {
marginLeft: 4,
marginRight: 4,
},
expandedAuthor: {
flexDirection: 'row',
alignItems: 'center',
marginTop: 10,
height: EXPANDED_AUTHOR_EL_HEIGHT,
},
expandedAuthorAvi: {
marginRight: 5,
},
})