Add WIP UIs for trending topics and suggested starterpacks

src/components/StarterPack/Suggestions.tsx

@@ -0,0 +1,64 @@
+import {View} from 'react-native'
+import {ScrollView} from 'react-native-gesture-handler'
+import {AppBskyGraphDefs} from '@atproto/api'
+
+import {logger} from '#/logger'
+import {useModerationOpts} from '#/state/preferences/moderation-opts'
+import {atoms as a, useBreakpoints, web} from '#/alf'
+import {Embed} from './StarterPackCard'
+
+const DESKTOP_CARD_WIDTH = 400
+const MOBILE_CARD_WIDTH = 300
+
+export function Grid({
+  isSuggestionsLoading,
+  error,
+  starterPacks,
+}: {
+  isSuggestionsLoading: boolean
+  starterPacks: AppBskyGraphDefs.StarterPackViewBasic[]
+  error: Error | null
+}) {
+  const moderationOpts = useModerationOpts()
+  const {gtMobile} = useBreakpoints()
+  const width = gtMobile ? DESKTOP_CARD_WIDTH : MOBILE_CARD_WIDTH
+  const isLoading = isSuggestionsLoading || !moderationOpts
+  const maxLength = gtMobile ? 4 : 6
+
+  const content = isLoading ? (
+    Array(maxLength)
+      .fill(0)
+      .map((_, i) => (
+        <View
+          key={i}
+          style={[gtMobile && web([a.flex_0, {width: 'calc(50% - 6px)'}])]}>
+          {/* TODO <SuggestedFollowPlaceholder /> */}
+        </View>
+      ))
+  ) : error || !starterPacks.length ? null : (
+    <>
+      {starterPacks.slice(0, maxLength).map(starterPack => (
+        <View key={starterPack.uri} style={[{width}]}>
+          <Embed starterPack={starterPack} />
+        </View>
+      ))}
+    </>
+  )
+
+  if (error || (!isLoading && !starterPacks.length)) {
+    logger.debug(`Not enough starter packs to show suggested starter packs`)
+    return null
+  }
+
+  return (
+    <ScrollView
+      horizontal
+      showsHorizontalScrollIndicator={false}
+      snapToInterval={width + a.gap_md.gap}
+      decelerationRate="fast">
+      <View style={[a.px_md, a.pt_sm, a.pb_lg, a.flex_row, a.gap_md]}>
+        {content}
+      </View>
+    </ScrollView>
+  )
+}

src/components/TrendingTopics.tsx

@@ -0,0 +1,79 @@
+import {View} from 'react-native'
+import {msg} from '@lingui/macro'
+import {useLingui} from '@lingui/react'
+
+import {atoms as a, useTheme} from '#/alf'
+import {Link as InternalLink, LinkProps} from '#/components/Link'
+import {Text} from '#/components/Typography'
+
+export function Grid({topics}: {topics: string[]}) {
+  return (
+    <View style={[a.flex_row, a.flex_wrap, a.gap_sm, a.px_sm, a.py_sm]}>
+      {topics.map(topic => (
+        <Item key={topic} topic={topic} />
+      ))}
+    </View>
+  )
+}
+
+export function Item({topic}: {topic: string}) {
+  return (
+    <Link topic={topic}>
+      <Card topic={topic} />
+    </Link>
+  )
+}
+
+export function Card({topic}: {topic: string}) {
+  const t = useTheme()
+  return (
+    <View
+      style={[
+        a.flex_1,
+        a.gap_xs,
+        a.px_md,
+        a.py_md,
+        a.border,
+        t.atoms.border_contrast_medium,
+        a.rounded_md,
+      ]}>
+      <Topic topic={topic} />
+    </View>
+  )
+}
+
+export function Link({
+  topic,
+  children,
+  style,
+  ...rest
+}: {
+  topic: string
+} & Omit<LinkProps, 'to' | 'label'>) {
+  const {_} = useLingui()
+  return (
+    <InternalLink
+      label={_(msg`Search posts that include ${topic}`)}
+      to={{
+        screen: 'Search',
+        params: {q: topic},
+      }}
+      style={[a.flex_col, style]}
+      {...rest}>
+      {children}
+    </InternalLink>
+  )
+}
+
+export function Topic({topic}: {topic: string}) {
+  return (
+    <View style={[a.flex_1]}>
+      <Text
+        emoji
+        style={[a.text_md, a.font_bold, a.leading_snug, a.self_start]}
+        numberOfLines={1}>
+        {topic}
+      </Text>
+    </View>
+  )
+}