1 files changed, 223 insertions, 0 deletions
diff --git a/src/components/TrendingTopics.tsx b/src/components/TrendingTopics.tsx
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+++ b/src/components/TrendingTopics.tsx
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+import React from 'react'
+import {View} from 'react-native'
+import {AtUri} from '@atproto/api'
+import {msg} from '@lingui/macro'
+import {useLingui} from '@lingui/react'
+
+// import {makeProfileLink} from '#/lib/routes/links'
+// import {feedUriToHref} from '#/lib/strings/url-helpers'
+// import {Hashtag_Stroke2_Corner0_Rounded as Hashtag} from '#/components/icons/Hashtag'
+// import {CloseQuote_Filled_Stroke2_Corner0_Rounded as Quote} from '#/components/icons/Quote'
+// import {UserAvatar} from '#/view/com/util/UserAvatar'
+import type {TrendingTopic} from '#/state/queries/trending/useTrendingTopics'
+import {atoms as a, useTheme, ViewStyleProp} from '#/alf'
+import {Link as InternalLink, LinkProps} from '#/components/Link'
+import {Text} from '#/components/Typography'
+
+export function TrendingTopic({
+  topic: raw,
+  size,
+  style,
+}: {topic: TrendingTopic; size?: 'large' | 'small'} & ViewStyleProp) {
+  const t = useTheme()
+  const topic = useTopic(raw)
+
+  const isSmall = size === 'small'
+  // const hasAvi = topic.type === 'feed' || topic.type === 'profile'
+  // const aviSize = isSmall ? 16 : 20
+  // const iconSize = isSmall ? 16 : 20
+
+  return (
+    <View
+      style={[
+        a.flex_row,
+        a.align_center,
+        a.rounded_full,
+        a.border,
+        t.atoms.border_contrast_medium,
+        t.atoms.bg,
+        isSmall
+          ? [
+              {
+                paddingVertical: 5,
+                paddingHorizontal: 10,
+              },
+            ]
+          : [a.py_sm, a.px_md],
+        style,
+        /*
+        {
+          padding: 6,
+          gap: hasAvi ? 4 : 2,
+        },
+        a.pr_md,
+       */
+      ]}>
+      {/*
+      <View
+        style={[
+          a.align_center,
+          a.justify_center,
+          a.rounded_full,
+          a.overflow_hidden,
+          {
+            width: aviSize,
+            height: aviSize,
+          },
+        ]}>
+        {topic.type === 'tag' ? (
+          <Hashtag width={iconSize} />
+        ) : topic.type === 'topic' ? (
+          <Quote width={iconSize - 2} />
+        ) : topic.type === 'feed' ? (
+          <UserAvatar
+            type="user"
+            size={aviSize}
+            avatar=""
+          />
+        ) : (
+          <UserAvatar
+            type="user"
+            size={aviSize}
+            avatar=""
+          />
+        )}
+      </View>
+        */}
+
+      <Text
+        style={[
+          a.font_bold,
+          a.leading_tight,
+          isSmall ? [a.text_sm] : [a.text_md, {paddingBottom: 1}],
+        ]}
+        numberOfLines={1}>
+        {topic.displayName}
+      </Text>
+    </View>
+  )
+}
+
+export function TrendingTopicSkeleton({
+  size = 'large',
+  index = 0,
+}: {
+  size?: 'large' | 'small'
+  index?: number
+}) {
+  const t = useTheme()
+  const isSmall = size === 'small'
+  return (
+    <View
+      style={[
+        a.rounded_full,
+        a.border,
+        t.atoms.border_contrast_medium,
+        t.atoms.bg_contrast_25,
+        isSmall
+          ? {
+              width: index % 2 === 0 ? 75 : 90,
+              height: 27,
+            }
+          : {
+              width: index % 2 === 0 ? 90 : 110,
+              height: 36,
+            },
+      ]}
+    />
+  )
+}
+
+export function TrendingTopicLink({
+  topic: raw,
+  children,
+  ...rest
+}: {
+  topic: TrendingTopic
+} & Omit<LinkProps, 'to' | 'label'>) {
+  const topic = useTopic(raw)
+
+  return (
+    <InternalLink label={topic.label} to={topic.url} {...rest}>
+      {children}
+    </InternalLink>
+  )
+}
+
+type ParsedTrendingTopic =
+  | {
+      type: 'topic' | 'tag' | 'unknown'
+      label: string
+      displayName: string
+      url: string
+      uri: undefined
+    }
+  | {
+      type: 'profile' | 'feed'
+      label: string
+      displayName: string
+      url: string
+      uri: AtUri
+    }
+
+export function useTopic(raw: TrendingTopic): ParsedTrendingTopic {
+  const {_} = useLingui()
+  return React.useMemo(() => {
+    const {topic: displayName, link} = raw
+
+    if (link.startsWith('/search')) {
+      return {
+        type: 'topic',
+        label: _(msg`Browse posts about ${displayName}`),
+        displayName,
+        uri: undefined,
+        url: link,
+      }
+    } else if (link.startsWith('/hashtag')) {
+      return {
+        type: 'tag',
+        label: _(msg`Browse posts tagged with ${displayName}`),
+        displayName,
+        // displayName: displayName.replace(/^#/, ''),
+        uri: undefined,
+        url: link,
+      }
+    }
+
+    /*
+    if (!link.startsWith('at://')) {
+      // above logic
+    } else {
+      const urip = new AtUri(link)
+      switch (urip.collection) {
+        case 'app.bsky.actor.profile': {
+          return {
+            type: 'profile',
+            label: _(msg`View ${displayName}'s profile`),
+            displayName,
+            uri: urip,
+            url: makeProfileLink({did: urip.host, handle: urip.host}),
+          }
+        }
+        case 'app.bsky.feed.generator': {
+          return {
+            type: 'feed',
+            label: _(msg`Browse the ${displayName} feed`),
+            displayName,
+            uri: urip,
+            url: feedUriToHref(link),
+          }
+        }
+      }
+    }
+     */
+
+    return {
+      type: 'unknown',
+      label: _(msg`Browse topic ${displayName}`),
+      displayName,
+      uri: undefined,
+      url: link,
+    }
+  }, [_, raw])
+}