Files
bsky-social-app/src/view/com/post-thread/PostThreadItem.tsx
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2024-10-22 16:04:05 -05:00

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25 KiB
TypeScript

import React, {memo, useMemo} from 'react'
import {StyleSheet, View} from 'react-native'
import {
AppBskyFeedDefs,
AppBskyFeedPost,
AppBskyFeedThreadgate,
AtUri,
ModerationDecision,
RichText as RichTextAPI,
} from '@atproto/api'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import {msg, Plural, Trans} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import {MAX_POST_LINES} from '#/lib/constants'
import {useOpenLink} from '#/lib/hooks/useOpenLink'
import {usePalette} from '#/lib/hooks/usePalette'
import {makeProfileLink} from '#/lib/routes/links'
import {sanitizeDisplayName} from '#/lib/strings/display-names'
import {sanitizeHandle} from '#/lib/strings/handles'
import {countLines} from '#/lib/strings/helpers'
import {niceDate} from '#/lib/strings/time'
import {s} from '#/lib/styles'
import {POST_TOMBSTONE, Shadow, usePostShadow} from '#/state/cache/post-shadow'
import {useLanguagePrefs} from '#/state/preferences'
import {ThreadPost} from '#/state/queries/post-thread'
import {useSession} from '#/state/session'
import {useComposerControls} from '#/state/shell/composer'
import {useMergedThreadgateHiddenReplies} from '#/state/threadgate-hidden-replies'
import {PostThreadFollowBtn} from '#/view/com/post-thread/PostThreadFollowBtn'
import {atoms as a, useTheme} from '#/alf'
import {Button, ButtonText} from '#/components/Button'
import {AppModerationCause} from '#/components/Pills'
import {RichText} from '#/components/RichText'
import {Text as NewText} from '#/components/Typography'
import {ContentHider} from '../../../components/moderation/ContentHider'
import {LabelsOnMyPost} from '../../../components/moderation/LabelsOnMe'
import {PostAlerts} from '../../../components/moderation/PostAlerts'
import {PostHider} from '../../../components/moderation/PostHider'
import {WhoCanReply} from '../../../components/WhoCanReply'
import {getTranslatorLink, isPostInLanguage} from '../../../locale/helpers'
import {ErrorMessage} from '../util/error/ErrorMessage'
import {Link, TextLink} from '../util/Link'
import {formatCount} from '../util/numeric/format'
import {PostCtrls} from '../util/post-ctrls/PostCtrls'
import {PostEmbeds, PostEmbedViewContext} from '../util/post-embeds'
import {PostMeta} from '../util/PostMeta'
import {Text} from '../util/text/Text'
import {PreviewableUserAvatar} from '../util/UserAvatar'
export function PostThreadItem({
post,
record,
moderation,
treeView,
depth,
prevPost,
nextPost,
isHighlightedPost,
hasMore,
showChildReplyLine,
showParentReplyLine,
hasPrecedingItem,
overrideBlur,
onPostReply,
hideTopBorder,
threadgateRecord,
}: {
post: AppBskyFeedDefs.PostView
record: AppBskyFeedPost.Record
moderation: ModerationDecision | undefined
treeView: boolean
depth: number
prevPost: ThreadPost | undefined
nextPost: ThreadPost | undefined
isHighlightedPost?: boolean
hasMore?: boolean
showChildReplyLine?: boolean
showParentReplyLine?: boolean
hasPrecedingItem: boolean
overrideBlur: boolean
onPostReply: (postUri: string | undefined) => void
hideTopBorder?: boolean
threadgateRecord?: AppBskyFeedThreadgate.Record
}) {
const postShadowed = usePostShadow(post)
const richText = useMemo(
() =>
new RichTextAPI({
text: record.text,
facets: record.facets,
}),
[record],
)
if (postShadowed === POST_TOMBSTONE) {
return <PostThreadItemDeleted hideTopBorder={hideTopBorder} />
}
if (richText && moderation) {
return (
<PostThreadItemLoaded
// Safeguard from clobbering per-post state below:
key={postShadowed.uri}
post={postShadowed}
prevPost={prevPost}
nextPost={nextPost}
record={record}
richText={richText}
moderation={moderation}
treeView={treeView}
depth={depth}
isHighlightedPost={isHighlightedPost}
hasMore={hasMore}
showChildReplyLine={showChildReplyLine}
showParentReplyLine={showParentReplyLine}
hasPrecedingItem={hasPrecedingItem}
overrideBlur={overrideBlur}
onPostReply={onPostReply}
hideTopBorder={hideTopBorder}
threadgateRecord={threadgateRecord}
/>
)
}
return null
}
function PostThreadItemDeleted({hideTopBorder}: {hideTopBorder?: boolean}) {
const pal = usePalette('default')
return (
<View
style={[
styles.outer,
pal.border,
pal.view,
s.p20,
s.flexRow,
hideTopBorder && styles.noTopBorder,
]}>
<FontAwesomeIcon icon={['far', 'trash-can']} color={pal.colors.icon} />
<Text style={[pal.textLight, s.ml10]}>
<Trans>This post has been deleted.</Trans>
</Text>
</View>
)
}
let PostThreadItemLoaded = ({
post,
record,
richText,
moderation,
treeView,
depth,
prevPost,
nextPost,
isHighlightedPost,
hasMore,
showChildReplyLine,
showParentReplyLine,
hasPrecedingItem,
overrideBlur,
onPostReply,
hideTopBorder,
threadgateRecord,
}: {
post: Shadow<AppBskyFeedDefs.PostView>
record: AppBskyFeedPost.Record
richText: RichTextAPI
moderation: ModerationDecision
treeView: boolean
depth: number
prevPost: ThreadPost | undefined
nextPost: ThreadPost | undefined
isHighlightedPost?: boolean
hasMore?: boolean
showChildReplyLine?: boolean
showParentReplyLine?: boolean
hasPrecedingItem: boolean
overrideBlur: boolean
onPostReply: (postUri: string | undefined) => void
hideTopBorder?: boolean
threadgateRecord?: AppBskyFeedThreadgate.Record
}): React.ReactNode => {
const t = useTheme()
const pal = usePalette('default')
const {_, i18n} = useLingui()
const langPrefs = useLanguagePrefs()
const {openComposer} = useComposerControls()
const [limitLines, setLimitLines] = React.useState(
() => countLines(richText?.text) >= MAX_POST_LINES,
)
const {currentAccount} = useSession()
const rootUri = record.reply?.root?.uri || post.uri
const postHref = React.useMemo(() => {
const urip = new AtUri(post.uri)
return makeProfileLink(post.author, 'post', urip.rkey)
}, [post.uri, post.author])
const itemTitle = _(msg`Post by ${post.author.handle}`)
const authorHref = makeProfileLink(post.author)
const authorTitle = post.author.handle
const isThreadAuthor = getThreadAuthor(post, record) === currentAccount?.did
const likesHref = React.useMemo(() => {
const urip = new AtUri(post.uri)
return makeProfileLink(post.author, 'post', urip.rkey, 'liked-by')
}, [post.uri, post.author])
const likesTitle = _(msg`Likes on this post`)
const repostsHref = React.useMemo(() => {
const urip = new AtUri(post.uri)
return makeProfileLink(post.author, 'post', urip.rkey, 'reposted-by')
}, [post.uri, post.author])
const repostsTitle = _(msg`Reposts of this post`)
const threadgateHiddenReplies = useMergedThreadgateHiddenReplies({
threadgateRecord,
})
const additionalPostAlerts: AppModerationCause[] = React.useMemo(() => {
const isPostHiddenByThreadgate = threadgateHiddenReplies.has(post.uri)
const isControlledByViewer = new AtUri(rootUri).host === currentAccount?.did
return isControlledByViewer && isPostHiddenByThreadgate
? [
{
type: 'reply-hidden',
source: {type: 'user', did: currentAccount?.did},
priority: 6,
},
]
: []
}, [post, currentAccount?.did, threadgateHiddenReplies, rootUri])
const quotesHref = React.useMemo(() => {
const urip = new AtUri(post.uri)
return makeProfileLink(post.author, 'post', urip.rkey, 'quotes')
}, [post.uri, post.author])
const quotesTitle = _(msg`Quotes of this post`)
const translatorUrl = getTranslatorLink(
record?.text || '',
langPrefs.primaryLanguage,
)
const needsTranslation = useMemo(
() =>
Boolean(
langPrefs.primaryLanguage &&
!isPostInLanguage(post, [langPrefs.primaryLanguage]),
),
[post, langPrefs.primaryLanguage],
)
const onPressReply = React.useCallback(() => {
openComposer({
replyTo: {
uri: post.uri,
cid: post.cid,
text: record.text,
author: post.author,
embed: post.embed,
moderation,
},
onPost: onPostReply,
})
}, [openComposer, post, record, onPostReply, moderation])
const onPressShowMore = React.useCallback(() => {
setLimitLines(false)
}, [setLimitLines])
if (!record) {
return <ErrorMessage message={_(msg`Invalid or unsupported post record`)} />
}
if (isHighlightedPost) {
return (
<>
{rootUri !== post.uri && (
<View
style={[
a.pl_lg,
a.flex_row,
a.pb_xs,
{height: a.pt_lg.paddingTop},
]}>
<View style={{width: 42}}>
<View
style={[
styles.replyLine,
{
flexGrow: 1,
backgroundColor: pal.colors.replyLine,
},
]}
/>
</View>
</View>
)}
<View
testID={`postThreadItem-by-${post.author.handle}`}
style={[
a.px_lg,
t.atoms.border_contrast_low,
// root post styles
rootUri === post.uri && [a.pt_lg],
]}>
<View style={[a.flex_row, a.gap_md, a.pb_md]}>
<PreviewableUserAvatar
size={42}
profile={post.author}
moderation={moderation.ui('avatar')}
type={post.author.associated?.labeler ? 'labeler' : 'user'}
/>
<View style={[a.flex_1]}>
<Link style={s.flex1} href={authorHref} title={authorTitle}>
<NewText
emoji
style={[a.text_lg, a.font_bold, a.leading_snug, a.self_start]}
numberOfLines={1}>
{sanitizeDisplayName(
post.author.displayName ||
sanitizeHandle(post.author.handle),
moderation.ui('displayName'),
)}
</NewText>
</Link>
<Link style={s.flex1} href={authorHref} title={authorTitle}>
<NewText
emoji
style={[
a.text_md,
a.leading_snug,
t.atoms.text_contrast_medium,
]}
numberOfLines={1}>
{sanitizeHandle(post.author.handle, '@')}
</NewText>
</Link>
</View>
{currentAccount?.did !== post.author.did && (
<View>
<PostThreadFollowBtn did={post.author.did} />
</View>
)}
</View>
<View style={[a.pb_sm]}>
<LabelsOnMyPost post={post} style={[a.pb_sm]} />
<ContentHider
modui={moderation.ui('contentView')}
ignoreMute
childContainerStyle={[a.pt_sm]}>
<PostAlerts
modui={moderation.ui('contentView')}
size="lg"
includeMute
style={[a.pb_sm]}
additionalCauses={additionalPostAlerts}
/>
{richText?.text ? (
<RichText
enableTags
selectable
value={richText}
style={[a.flex_1, a.text_xl]}
authorHandle={post.author.handle}
/>
) : undefined}
{post.embed && (
<View style={[a.py_xs]}>
<PostEmbeds
embed={post.embed}
moderation={moderation}
viewContext={PostEmbedViewContext.ThreadHighlighted}
/>
</View>
)}
{AppBskyFeedPost.isRecord(post.record) && post.record.tags ? (
<View
style={[
a.flex_row,
a.flex_wrap,
a.align_start,
a.gap_sm,
a.pt_sm,
]}>
{post.record.tags.map((tag, i) => (
<Button
key={tag + i}
label={tag}
size="tiny"
variant="solid"
color="secondary">
<ButtonText>#{tag}</ButtonText>
</Button>
))}
</View>
) : null}
</ContentHider>
<ExpandedPostDetails
post={post}
isThreadAuthor={isThreadAuthor}
translatorUrl={translatorUrl}
needsTranslation={needsTranslation}
/>
{post.repostCount !== 0 ||
post.likeCount !== 0 ||
post.quoteCount !== 0 ? (
// Show this section unless we're *sure* it has no engagement.
<View
style={[
a.flex_row,
a.align_center,
a.gap_lg,
a.border_t,
a.border_b,
a.mt_md,
a.py_md,
t.atoms.border_contrast_low,
]}>
{post.repostCount != null && post.repostCount !== 0 ? (
<Link href={repostsHref} title={repostsTitle}>
<NewText
testID="repostCount-expanded"
style={[a.text_md, t.atoms.text_contrast_medium]}>
<NewText style={[a.text_md, a.font_bold, t.atoms.text]}>
{formatCount(i18n, post.repostCount)}
</NewText>{' '}
<Plural
value={post.repostCount}
one="repost"
other="reposts"
/>
</NewText>
</Link>
) : null}
{post.quoteCount != null &&
post.quoteCount !== 0 &&
!post.viewer?.embeddingDisabled ? (
<Link href={quotesHref} title={quotesTitle}>
<NewText
testID="quoteCount-expanded"
style={[a.text_md, t.atoms.text_contrast_medium]}>
<NewText style={[a.text_md, a.font_bold, t.atoms.text]}>
{formatCount(i18n, post.quoteCount)}
</NewText>{' '}
<Plural
value={post.quoteCount}
one="quote"
other="quotes"
/>
</NewText>
</Link>
) : null}
{post.likeCount != null && post.likeCount !== 0 ? (
<Link href={likesHref} title={likesTitle}>
<NewText
testID="likeCount-expanded"
style={[a.text_md, t.atoms.text_contrast_medium]}>
<NewText style={[a.text_md, a.font_bold, t.atoms.text]}>
{formatCount(i18n, post.likeCount)}
</NewText>{' '}
<Plural value={post.likeCount} one="like" other="likes" />
</NewText>
</Link>
) : null}
</View>
) : null}
<View
style={[
a.pt_sm,
a.pb_2xs,
{
marginLeft: -5,
},
]}>
<PostCtrls
big
post={post}
record={record}
richText={richText}
onPressReply={onPressReply}
onPostReply={onPostReply}
logContext="PostThreadItem"
threadgateRecord={threadgateRecord}
/>
</View>
</View>
</View>
</>
)
} else {
const isThreadedChild = treeView && depth > 0
const isThreadedChildAdjacentTop =
isThreadedChild && prevPost?.ctx.depth === depth && depth !== 1
const isThreadedChildAdjacentBot =
isThreadedChild && nextPost?.ctx.depth === depth
return (
<PostOuterWrapper
post={post}
depth={depth}
showParentReplyLine={!!showParentReplyLine}
treeView={treeView}
hasPrecedingItem={hasPrecedingItem}
hideTopBorder={hideTopBorder}>
<PostHider
testID={`postThreadItem-by-${post.author.handle}`}
href={postHref}
disabled={overrideBlur}
modui={moderation.ui('contentList')}
iconSize={isThreadedChild ? 24 : 42}
iconStyles={
isThreadedChild ? {marginRight: 4} : {marginLeft: 2, marginRight: 2}
}
profile={post.author}
interpretFilterAsBlur>
<View
style={{
flexDirection: 'row',
gap: 10,
paddingLeft: 8,
height: isThreadedChildAdjacentTop ? 8 : 16,
}}>
<View style={{width: 42}}>
{!isThreadedChild && showParentReplyLine && (
<View
style={[
styles.replyLine,
{
flexGrow: 1,
backgroundColor: pal.colors.replyLine,
marginBottom: 4,
},
]}
/>
)}
</View>
</View>
<View
style={[
a.flex_row,
a.px_sm,
a.gap_md,
{
paddingBottom:
showChildReplyLine && !isThreadedChild
? 0
: isThreadedChildAdjacentBot
? 4
: 8,
},
]}>
{/* If we are in threaded mode, the avatar is rendered in PostMeta */}
{!isThreadedChild && (
<View>
<PreviewableUserAvatar
size={42}
profile={post.author}
moderation={moderation.ui('avatar')}
type={post.author.associated?.labeler ? 'labeler' : 'user'}
/>
{showChildReplyLine && (
<View
style={[
styles.replyLine,
{
flexGrow: 1,
backgroundColor: pal.colors.replyLine,
marginTop: 4,
},
]}
/>
)}
</View>
)}
<View style={[a.flex_1]}>
<PostMeta
author={post.author}
moderation={moderation}
timestamp={post.indexedAt}
postHref={postHref}
showAvatar={isThreadedChild}
avatarModeration={moderation.ui('avatar')}
avatarSize={24}
style={[a.pb_xs]}
/>
<LabelsOnMyPost post={post} style={[a.pb_xs]} />
<PostAlerts
modui={moderation.ui('contentList')}
style={[a.pb_2xs]}
additionalCauses={additionalPostAlerts}
/>
{richText?.text ? (
<View style={[a.pb_2xs, a.pr_sm]}>
<RichText
enableTags
value={richText}
style={[a.flex_1, a.text_md]}
numberOfLines={limitLines ? MAX_POST_LINES : undefined}
authorHandle={post.author.handle}
/>
</View>
) : undefined}
{limitLines ? (
<TextLink
text={_(msg`Show More`)}
style={pal.link}
onPress={onPressShowMore}
href="#"
/>
) : undefined}
{post.embed && (
<View style={[a.pb_xs]}>
<PostEmbeds
embed={post.embed}
moderation={moderation}
viewContext={PostEmbedViewContext.Feed}
/>
</View>
)}
<PostCtrls
post={post}
record={record}
richText={richText}
onPressReply={onPressReply}
logContext="PostThreadItem"
threadgateRecord={threadgateRecord}
/>
</View>
</View>
{hasMore ? (
<Link
style={[
styles.loadMore,
{
paddingLeft: treeView ? 8 : 70,
paddingTop: 0,
paddingBottom: treeView ? 4 : 12,
},
]}
href={postHref}
title={itemTitle}
noFeedback>
<Text type="sm-medium" style={pal.textLight}>
<Trans>More</Trans>
</Text>
<FontAwesomeIcon
icon="angle-right"
color={pal.colors.textLight}
size={14}
/>
</Link>
) : undefined}
</PostHider>
</PostOuterWrapper>
)
}
}
PostThreadItemLoaded = memo(PostThreadItemLoaded)
function PostOuterWrapper({
post,
treeView,
depth,
showParentReplyLine,
hasPrecedingItem,
hideTopBorder,
children,
}: React.PropsWithChildren<{
post: AppBskyFeedDefs.PostView
treeView: boolean
depth: number
showParentReplyLine: boolean
hasPrecedingItem: boolean
hideTopBorder?: boolean
}>) {
const t = useTheme()
if (treeView && depth > 0) {
return (
<View
style={[
a.flex_row,
a.px_sm,
t.atoms.border_contrast_low,
styles.cursor,
{
flexDirection: 'row',
borderTopWidth: depth === 1 ? a.border_t.borderTopWidth : 0,
},
]}>
{Array.from(Array(depth - 1)).map((_, n: number) => (
<View
key={`${post.uri}-padding-${n}`}
style={[
a.ml_sm,
t.atoms.border_contrast_low,
{
borderLeftWidth: 2,
paddingLeft: a.pl_sm.paddingLeft - 2, // minus border
},
]}
/>
))}
<View style={{flex: 1}}>{children}</View>
</View>
)
}
return (
<View
style={[
a.border_t,
a.px_sm,
t.atoms.border_contrast_low,
showParentReplyLine && hasPrecedingItem && styles.noTopBorder,
hideTopBorder && styles.noTopBorder,
styles.cursor,
]}>
{children}
</View>
)
}
function ExpandedPostDetails({
post,
isThreadAuthor,
needsTranslation,
translatorUrl,
}: {
post: AppBskyFeedDefs.PostView
isThreadAuthor: boolean
needsTranslation: boolean
translatorUrl: string
}) {
const t = useTheme()
const pal = usePalette('default')
const {_, i18n} = useLingui()
const openLink = useOpenLink()
const isRootPost = !('reply' in post.record)
const onTranslatePress = React.useCallback(() => {
openLink(translatorUrl)
}, [openLink, translatorUrl])
return (
<View style={[a.flex_row, a.align_center, a.flex_wrap, a.gap_sm, a.pt_md]}>
<NewText style={[a.text_sm, t.atoms.text_contrast_medium]}>
{niceDate(i18n, post.indexedAt)}
</NewText>
{isRootPost && (
<WhoCanReply post={post} isThreadAuthor={isThreadAuthor} />
)}
{needsTranslation && (
<>
<NewText style={[a.text_sm, t.atoms.text_contrast_medium]}>
&middot;
</NewText>
<NewText
style={[a.text_sm, pal.link]}
title={_(msg`Translate`)}
onPress={onTranslatePress}>
<Trans>Translate</Trans>
</NewText>
</>
)}
</View>
)
}
function getThreadAuthor(
post: AppBskyFeedDefs.PostView,
record: AppBskyFeedPost.Record,
): string {
if (!record.reply) {
return post.author.did
}
try {
return new AtUri(record.reply.root.uri).host
} catch {
return ''
}
}
const styles = StyleSheet.create({
outer: {
borderTopWidth: StyleSheet.hairlineWidth,
paddingLeft: 8,
},
noTopBorder: {
borderTopWidth: 0,
},
meta: {
flexDirection: 'row',
paddingVertical: 2,
},
metaExpandedLine1: {
paddingVertical: 0,
},
loadMore: {
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'flex-start',
gap: 4,
paddingHorizontal: 20,
},
replyLine: {
width: 2,
marginLeft: 'auto',
marginRight: 'auto',
},
cursor: {
// @ts-ignore web only
cursor: 'pointer',
},
})