1 files changed, 59 insertions, 0 deletions
diff --git a/src/state/queries/trending/useGetTrendsQuery.ts b/src/state/queries/trending/useGetTrendsQuery.ts
new file mode 100644
index 000000000..d96bf0603
--- /dev/null
+++ b/src/state/queries/trending/useGetTrendsQuery.ts
@@ -0,0 +1,59 @@
+import React from 'react'
+import {type AppBskyUnspeccedGetTrends} from '@atproto/api'
+import {hasMutedWord} from '@atproto/api/dist/moderation/mutewords'
+import {useQuery} from '@tanstack/react-query'
+
+import {
+  aggregateUserInterests,
+  createBskyTopicsHeader,
+} from '#/lib/api/feed/utils'
+import {getContentLanguages} from '#/state/preferences/languages'
+import {STALE} from '#/state/queries'
+import {usePreferencesQuery} from '#/state/queries/preferences'
+import {useAgent} from '#/state/session'
+
+export const DEFAULT_LIMIT = 5
+
+export const createGetTrendsQueryKey = () => ['trends']
+
+export function useGetTrendsQuery() {
+  const agent = useAgent()
+  const {data: preferences} = usePreferencesQuery()
+  const mutedWords = React.useMemo(() => {
+    return preferences?.moderationPrefs?.mutedWords || []
+  }, [preferences?.moderationPrefs])
+
+  return useQuery({
+    refetchOnWindowFocus: true,
+    staleTime: STALE.MINUTES.THREE,
+    queryKey: createGetTrendsQueryKey(),
+    queryFn: async () => {
+      const contentLangs = getContentLanguages().join(',')
+      const {data} = await agent.app.bsky.unspecced.getTrends(
+        {
+          limit: DEFAULT_LIMIT,
+        },
+        {
+          headers: {
+            ...createBskyTopicsHeader(aggregateUserInterests(preferences)),
+            'Accept-Language': contentLangs,
+          },
+        },
+      )
+      return data
+    },
+    select: React.useCallback(
+      (data: AppBskyUnspeccedGetTrends.OutputSchema) => {
+        return {
+          trends: (data.trends ?? []).filter(t => {
+            return !hasMutedWord({
+              mutedWords,
+              text: t.topic + ' ' + t.displayName + ' ' + t.category,
+            })
+          }),
+        }
+      },
+      [mutedWords],
+    ),
+  })
+}