bsky-app/src/view/com/notifications/FeedItem.tsx
2023-09-28 20:45:11 -07:00

529 lines
14 KiB
TypeScript

import React, {useMemo, useState, useEffect} from 'react'
import {observer} from 'mobx-react-lite'
import {
Animated,
TouchableOpacity,
Pressable,
StyleSheet,
View,
} from 'react-native'
import {
AppBskyEmbedImages,
ProfileModeration,
moderateProfile,
AppBskyEmbedRecordWithMedia,
} from '@atproto/api'
import {AtUri} from '@atproto/api'
import {
FontAwesomeIcon,
FontAwesomeIconStyle,
Props,
} from '@fortawesome/react-native-fontawesome'
import {NotificationsFeedItemModel} from 'state/models/feeds/notifications'
import {PostThreadModel} from 'state/models/content/post-thread'
import {s, colors} from 'lib/styles'
import {niceDate} from 'lib/strings/time'
import {sanitizeDisplayName} from 'lib/strings/display-names'
import {sanitizeHandle} from 'lib/strings/handles'
import {pluralize} from 'lib/strings/helpers'
import {HeartIconSolid} from 'lib/icons'
import {Text} from '../util/text/Text'
import {UserAvatar, PreviewableUserAvatar} from '../util/UserAvatar'
import {UserPreviewLink} from '../util/UserPreviewLink'
import {ImageHorzList} from '../util/images/ImageHorzList'
import {Post} from '../post/Post'
import {Link, TextLink} from '../util/Link'
import {useStores} from 'state/index'
import {usePalette} from 'lib/hooks/usePalette'
import {useAnimatedValue} from 'lib/hooks/useAnimatedValue'
import {formatCount} from '../util/numeric/format'
import {makeProfileLink} from 'lib/routes/links'
import {TimeElapsed} from '../util/TimeElapsed'
import {isWeb} from 'platform/detection'
const MAX_AUTHORS = 5
const EXPANDED_AUTHOR_EL_HEIGHT = 35
interface Author {
href: string
did: string
handle: string
displayName?: string
avatar?: string
moderation: ProfileModeration
}
export const FeedItem = observer(function FeedItemImpl({
item,
}: {
item: NotificationsFeedItemModel
}) {
const store = useStores()
const pal = usePalette('default')
const [isAuthorsExpanded, setAuthorsExpanded] = useState<boolean>(false)
const itemHref = useMemo(() => {
if (item.isLike || item.isRepost) {
const urip = new AtUri(item.subjectUri)
return `/profile/${urip.host}/post/${urip.rkey}`
} else if (item.isFollow) {
return makeProfileLink(item.author)
} else if (item.isReply) {
const urip = new AtUri(item.uri)
return `/profile/${urip.host}/post/${urip.rkey}`
} else if (item.isCustomFeedLike) {
const urip = new AtUri(item.subjectUri)
return `/profile/${urip.host}/feed/${urip.rkey}`
}
return ''
}, [item])
const itemTitle = useMemo(() => {
if (item.isLike || item.isRepost) {
return 'Post'
} else if (item.isFollow) {
return item.author.handle
} else if (item.isReply) {
return 'Post'
} else if (item.isCustomFeedLike) {
return 'Custom Feed'
}
}, [item])
const onToggleAuthorsExpanded = () => {
setAuthorsExpanded(currentlyExpanded => !currentlyExpanded)
}
const authors: Author[] = useMemo(() => {
return [
{
href: makeProfileLink(item.author),
did: item.author.did,
handle: item.author.handle,
displayName: item.author.displayName,
avatar: item.author.avatar,
moderation: moderateProfile(
item.author,
store.preferences.moderationOpts,
),
},
...(item.additional?.map(({author}) => {
return {
href: makeProfileLink(author),
did: author.did,
handle: author.handle,
displayName: author.displayName,
avatar: author.avatar,
moderation: moderateProfile(author, store.preferences.moderationOpts),
}
}) || []),
]
}, [store, item.additional, item.author])
if (item.additionalPost?.notFound) {
// don't render anything if the target post was deleted or unfindable
return <View />
}
if (item.isReply || item.isMention || item.isQuote) {
if (!item.additionalPost || item.additionalPost?.error) {
// hide errors - it doesnt help the user to show them
return <View />
}
return (
<Link
testID={`feedItem-by-${item.author.handle}`}
href={itemHref}
title={itemTitle}
noFeedback
accessible={false}>
<Post
view={item.additionalPost}
style={
item.isRead
? undefined
: {
backgroundColor: pal.colors.unreadNotifBg,
borderColor: pal.colors.unreadNotifBorder,
}
}
/>
</Link>
)
}
let action = ''
let icon: Props['icon'] | 'HeartIconSolid'
let iconStyle: Props['style'] = []
if (item.isLike) {
action = 'liked your post'
icon = 'HeartIconSolid'
iconStyle = [
s.likeColor as FontAwesomeIconStyle,
{position: 'relative', top: -4},
]
} else if (item.isRepost) {
action = 'reposted your post'
icon = 'retweet'
iconStyle = [s.green3 as FontAwesomeIconStyle]
} else if (item.isFollow) {
action = 'followed you'
icon = 'user-plus'
iconStyle = [s.blue3 as FontAwesomeIconStyle]
} else if (item.isCustomFeedLike) {
action = `liked your custom feed '${new AtUri(item.subjectUri).rkey}'`
icon = 'HeartIconSolid'
iconStyle = [
s.likeColor as FontAwesomeIconStyle,
{position: 'relative', top: -4},
]
} else {
return null
}
return (
<Link
testID={`feedItem-by-${item.author.handle}`}
style={[
styles.outer,
pal.view,
pal.border,
item.isRead
? undefined
: {
backgroundColor: pal.colors.unreadNotifBg,
borderColor: pal.colors.unreadNotifBorder,
},
]}
href={itemHref}
title={itemTitle}
noFeedback
accessible={(item.isLike && authors.length === 1) || item.isRepost}>
<View style={styles.layoutIcon}>
{/* TODO: Prevent conditional rendering and move toward composable
notifications for clearer accessibility labeling */}
{icon === 'HeartIconSolid' ? (
<HeartIconSolid size={28} style={[styles.icon, ...iconStyle]} />
) : (
<FontAwesomeIcon
icon={icon}
size={24}
style={[styles.icon, ...iconStyle]}
/>
)}
</View>
<View style={styles.layoutContent}>
<ExpandListPressable
hasMultipleAuthors={authors.length > 1}
onToggleAuthorsExpanded={onToggleAuthorsExpanded}>
<CondensedAuthorsList
visible={!isAuthorsExpanded}
authors={authors}
onToggleAuthorsExpanded={onToggleAuthorsExpanded}
/>
<ExpandedAuthorsList visible={isAuthorsExpanded} authors={authors} />
<Text style={styles.meta}>
<TextLink
key={authors[0].href}
style={[pal.text, s.bold]}
href={authors[0].href}
text={sanitizeDisplayName(
authors[0].displayName || authors[0].handle,
)}
/>
{authors.length > 1 ? (
<>
<Text style={[pal.text]}> and </Text>
<Text style={[pal.text, s.bold]}>
{formatCount(authors.length - 1)}{' '}
{pluralize(authors.length - 1, 'other')}
</Text>
</>
) : undefined}
<Text style={[pal.text]}> {action}</Text>
<TimeElapsed timestamp={item.indexedAt}>
{({timeElapsed}) => (
<Text
style={[pal.textLight, styles.pointer]}
title={niceDate(item.indexedAt)}>
{' ' + timeElapsed}
</Text>
)}
</TimeElapsed>
</Text>
</ExpandListPressable>
{item.isLike || item.isRepost || item.isQuote ? (
<AdditionalPostText additionalPost={item.additionalPost} />
) : null}
</View>
</Link>
)
})
function ExpandListPressable({
hasMultipleAuthors,
children,
onToggleAuthorsExpanded,
}: {
hasMultipleAuthors: boolean
children: React.ReactNode
onToggleAuthorsExpanded: () => void
}) {
if (hasMultipleAuthors) {
return (
<Pressable
onPress={onToggleAuthorsExpanded}
style={[styles.expandedAuthorsTrigger]}
accessible={false}>
{children}
</Pressable>
)
} else {
return <>{children}</>
}
}
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}
accessibilityRole="button"
accessibilityLabel="Hide user list"
accessibilityHint="Collapses list of users for a given notification">
<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}>
<PreviewableUserAvatar
size={35}
did={authors[0].did}
handle={authors[0].handle}
avatar={authors[0].avatar}
moderation={authors[0].moderation.avatar}
/>
</View>
)
}
return (
<TouchableOpacity
accessibilityLabel="Show users"
accessibilityHint="Opens an expanded list of users in this notification"
onPress={onToggleAuthorsExpanded}>
<View style={styles.avis}>
{authors.slice(0, MAX_AUTHORS).map(author => (
<View key={author.href} style={s.mr5}>
<UserAvatar
size={35}
avatar={author.avatar}
moderation={author.moderation.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.textLight]}
/>
</View>
</TouchableOpacity>
)
}
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),
}
useEffect(() => {
Animated.timing(heightInterp, {
toValue: visible ? 1 : 0,
duration: 200,
useNativeDriver: false,
}).start()
}, [heightInterp, visible])
return (
<Animated.View
style={[
heightStyle,
styles.overflowHidden,
visible ? s.mb10 : undefined,
]}>
{authors.map(author => (
<UserPreviewLink
key={author.did}
did={author.did}
handle={author.handle}
style={styles.expandedAuthor}>
<View style={styles.expandedAuthorAvi}>
<UserAvatar
size={35}
avatar={author.avatar}
moderation={author.moderation.avatar}
/>
</View>
<View style={s.flex1}>
<Text
type="lg-bold"
numberOfLines={1}
style={pal.text}
lineHeight={1.2}>
{sanitizeDisplayName(author.displayName || author.handle)}
&nbsp;
<Text style={[pal.textLight]} lineHeight={1.2}>
{sanitizeHandle(author.handle)}
</Text>
</Text>
</View>
</UserPreviewLink>
))}
</Animated.View>
)
}
function AdditionalPostText({
additionalPost,
}: {
additionalPost?: PostThreadModel
}) {
const pal = usePalette('default')
if (
!additionalPost ||
!additionalPost.thread?.postRecord ||
additionalPost.error
) {
return <View />
}
const text = additionalPost.thread?.postRecord.text
const images = AppBskyEmbedImages.isView(additionalPost.thread.post.embed)
? additionalPost.thread.post.embed.images
: AppBskyEmbedRecordWithMedia.isView(additionalPost.thread.post.embed) &&
AppBskyEmbedImages.isView(additionalPost.thread.post.embed.media)
? additionalPost.thread.post.embed.media.images
: undefined
return (
<>
{text?.length > 0 && <Text style={pal.textLight}>{text}</Text>}
{images && images?.length > 0 && (
<ImageHorzList images={images} style={styles.additionalPostImages} />
)}
</>
)
}
const styles = StyleSheet.create({
overflowHidden: {
overflow: 'hidden',
},
pointer: isWeb
? {
// @ts-ignore web only
cursor: 'pointer',
}
: {},
outer: {
padding: 10,
paddingRight: 15,
borderTopWidth: 1,
flexDirection: 'row',
},
layoutIcon: {
width: 70,
alignItems: 'flex-end',
paddingTop: 2,
},
icon: {
marginRight: 10,
marginTop: 4,
},
layoutContent: {
flex: 1,
},
avis: {
flexDirection: 'row',
alignItems: 'center',
},
aviExtraCount: {
fontWeight: 'bold',
paddingLeft: 6,
},
meta: {
flexDirection: 'row',
flexWrap: 'wrap',
paddingTop: 6,
paddingBottom: 2,
},
postText: {
paddingBottom: 5,
color: colors.black,
},
additionalPostImages: {
marginTop: 5,
marginLeft: 2,
opacity: 0.8,
},
addedContainer: {
paddingTop: 4,
paddingLeft: 36,
},
expandedAuthorsTrigger: {
zIndex: 1,
},
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,
},
})