1 files changed, 198 insertions, 0 deletions
diff --git a/src/components/FeedCard.tsx b/src/components/FeedCard.tsx
new file mode 100644
index 000000000..2745ed7c9
--- /dev/null
+++ b/src/components/FeedCard.tsx
@@ -0,0 +1,198 @@
+import React from 'react'
+import {GestureResponderEvent, View} from 'react-native'
+import {AppBskyActorDefs, AppBskyFeedDefs, AtUri} from '@atproto/api'
+import {msg, plural, Trans} from '@lingui/macro'
+import {useLingui} from '@lingui/react'
+
+import {logger} from '#/logger'
+import {
+  useAddSavedFeedsMutation,
+  usePreferencesQuery,
+  useRemoveFeedMutation,
+} from '#/state/queries/preferences'
+import {sanitizeHandle} from 'lib/strings/handles'
+import {UserAvatar} from '#/view/com/util/UserAvatar'
+import * as Toast from 'view/com/util/Toast'
+import {useTheme} from '#/alf'
+import {atoms as a} from '#/alf'
+import {Button, ButtonIcon} from '#/components/Button'
+import {useRichText} from '#/components/hooks/useRichText'
+import {PlusLarge_Stroke2_Corner0_Rounded as Plus} from '#/components/icons/Plus'
+import {Trash_Stroke2_Corner0_Rounded as Trash} from '#/components/icons/Trash'
+import {Link as InternalLink} from '#/components/Link'
+import {Loader} from '#/components/Loader'
+import * as Prompt from '#/components/Prompt'
+import {RichText} from '#/components/RichText'
+import {Text} from '#/components/Typography'
+
+export function Default({feed}: {feed: AppBskyFeedDefs.GeneratorView}) {
+  return (
+    <Link feed={feed}>
+      <Outer>
+        <Header>
+          <Avatar src={feed.avatar} />
+          <TitleAndByline title={feed.displayName} creator={feed.creator} />
+          <Action uri={feed.uri} pin />
+        </Header>
+        <Description description={feed.description} />
+        <Likes count={feed.likeCount || 0} />
+      </Outer>
+    </Link>
+  )
+}
+
+export function Link({
+  children,
+  feed,
+}: {
+  children: React.ReactElement
+  feed: AppBskyFeedDefs.GeneratorView
+}) {
+  const href = React.useMemo(() => {
+    const urip = new AtUri(feed.uri)
+    const handleOrDid = feed.creator.handle || feed.creator.did
+    return `/profile/${handleOrDid}/feed/${urip.rkey}`
+  }, [feed])
+  return <InternalLink to={href}>{children}</InternalLink>
+}
+
+export function Outer({children}: {children: React.ReactNode}) {
+  return <View style={[a.flex_1, a.gap_md]}>{children}</View>
+}
+
+export function Header({children}: {children: React.ReactNode}) {
+  return <View style={[a.flex_row, a.align_center, a.gap_md]}>{children}</View>
+}
+
+export function Avatar({src}: {src: string | undefined}) {
+  return <UserAvatar type="algo" size={40} avatar={src} />
+}
+
+export function TitleAndByline({
+  title,
+  creator,
+}: {
+  title: string
+  creator: AppBskyActorDefs.ProfileViewBasic
+}) {
+  const t = useTheme()
+
+  return (
+    <View style={[a.flex_1]}>
+      <Text
+        style={[a.text_md, a.font_bold, a.flex_1, a.leading_snug]}
+        numberOfLines={1}>
+        {title}
+      </Text>
+      <Text
+        style={[a.flex_1, a.leading_snug, t.atoms.text_contrast_medium]}
+        numberOfLines={1}>
+        <Trans>Feed by {sanitizeHandle(creator.handle, '@')}</Trans>
+      </Text>
+    </View>
+  )
+}
+
+export function Description({description}: {description?: string}) {
+  const [rt, isResolving] = useRichText(description || '')
+  if (!description) return null
+  return isResolving ? (
+    <RichText value={description} style={[a.leading_snug]} />
+  ) : (
+    <RichText value={rt} style={[a.leading_snug]} />
+  )
+}
+
+export function Likes({count}: {count: number}) {
+  const t = useTheme()
+  return (
+    <Text style={[a.text_sm, t.atoms.text_contrast_medium]}>
+      {plural(count || 0, {
+        one: 'Liked by # user',
+        other: 'Liked by # users',
+      })}
+    </Text>
+  )
+}
+
+export function Action({uri, pin}: {uri: string; pin?: boolean}) {
+  const {_} = useLingui()
+  const {data: preferences} = usePreferencesQuery()
+  const {isPending: isAddSavedFeedPending, mutateAsync: saveFeeds} =
+    useAddSavedFeedsMutation()
+  const {isPending: isRemovePending, mutateAsync: removeFeed} =
+    useRemoveFeedMutation()
+  const savedFeedConfig = React.useMemo(() => {
+    return preferences?.savedFeeds?.find(
+      feed => feed.type === 'feed' && feed.value === uri,
+    )
+  }, [preferences?.savedFeeds, uri])
+  const removePromptControl = Prompt.usePromptControl()
+  const isPending = isAddSavedFeedPending || isRemovePending
+
+  const toggleSave = React.useCallback(
+    async (e: GestureResponderEvent) => {
+      e.preventDefault()
+      e.stopPropagation()
+
+      try {
+        if (savedFeedConfig) {
+          await removeFeed(savedFeedConfig)
+        } else {
+          await saveFeeds([
+            {
+              type: 'feed',
+              value: uri,
+              pinned: pin || false,
+            },
+          ])
+        }
+        Toast.show(_(msg`Feeds updated!`))
+      } catch (e: any) {
+        logger.error(e, {context: `FeedCard: failed to update feeds`, pin})
+        Toast.show(_(msg`Failed to update feeds`))
+      }
+    },
+    [_, pin, saveFeeds, removeFeed, uri, savedFeedConfig],
+  )
+
+  const onPrompRemoveFeed = React.useCallback(
+    async (e: GestureResponderEvent) => {
+      e.preventDefault()
+      e.stopPropagation()
+
+      removePromptControl.open()
+    },
+    [removePromptControl],
+  )
+
+  return (
+    <>
+      <Button
+        disabled={isPending}
+        label={_(msg`Add this feed to your feeds`)}
+        size="small"
+        variant="ghost"
+        color="secondary"
+        shape="square"
+        onPress={savedFeedConfig ? onPrompRemoveFeed : toggleSave}>
+        {savedFeedConfig ? (
+          <ButtonIcon size="md" icon={isPending ? Loader : Trash} />
+        ) : (
+          <ButtonIcon size="md" icon={isPending ? Loader : Plus} />
+        )}
+      </Button>
+
+      <Prompt.Basic
+        control={removePromptControl}
+        title={_(msg`Remove from my feeds?`)}
+        description={_(
+          msg`Are you sure you want to remove this from your feeds?`,
+        )}
+        onConfirm={toggleSave}
+        confirmButtonCta={_(msg`Remove`)}
+        confirmButtonColor="negative"
+      />
+    </>
+  )
+}