1 files changed, 61 insertions, 0 deletions
diff --git a/src/state/queries/post-liked-by.ts b/src/state/queries/post-liked-by.ts
new file mode 100644
index 000000000..2cde07f28
--- /dev/null
+++ b/src/state/queries/post-liked-by.ts
@@ -0,0 +1,61 @@
+import {AppBskyActorDefs, AppBskyFeedGetLikes} from '@atproto/api'
+import {
+  useInfiniteQuery,
+  InfiniteData,
+  QueryClient,
+  QueryKey,
+} from '@tanstack/react-query'
+
+import {getAgent} from '#/state/session'
+
+const PAGE_SIZE = 30
+type RQPageParam = string | undefined
+
+// TODO refactor invalidate on mutate?
+export const RQKEY = (resolvedUri: string) => ['post-liked-by', resolvedUri]
+
+export function usePostLikedByQuery(resolvedUri: string | undefined) {
+  return useInfiniteQuery<
+    AppBskyFeedGetLikes.OutputSchema,
+    Error,
+    InfiniteData<AppBskyFeedGetLikes.OutputSchema>,
+    QueryKey,
+    RQPageParam
+  >({
+    queryKey: RQKEY(resolvedUri || ''),
+    async queryFn({pageParam}: {pageParam: RQPageParam}) {
+      const res = await getAgent().getLikes({
+        uri: resolvedUri || '',
+        limit: PAGE_SIZE,
+        cursor: pageParam,
+      })
+      return res.data
+    },
+    initialPageParam: undefined,
+    getNextPageParam: lastPage => lastPage.cursor,
+    enabled: !!resolvedUri,
+  })
+}
+
+export function* findAllProfilesInQueryData(
+  queryClient: QueryClient,
+  did: string,
+): Generator<AppBskyActorDefs.ProfileView, void> {
+  const queryDatas = queryClient.getQueriesData<
+    InfiniteData<AppBskyFeedGetLikes.OutputSchema>
+  >({
+    queryKey: ['post-liked-by'],
+  })
+  for (const [_queryKey, queryData] of queryDatas) {
+    if (!queryData?.pages) {
+      continue
+    }
+    for (const page of queryData?.pages) {
+      for (const like of page.likes) {
+        if (like.actor.did === did) {
+          yield like.actor
+        }
+      }
+    }
+  }
+}