feat: page details section and backlinks (#2186)

* feat: page details section and backlinks

apps/client/src/features/page-details/queries/backlinks-query.ts

@@ -0,0 +1,45 @@
+import { useInfiniteQuery, useQuery } from "@tanstack/react-query";
+import {
+  getBacklinks,
+  getBacklinksCount,
+} from "@/features/page-details/services/backlinks-service.ts";
+import {
+  BacklinkDirection,
+  IBacklinkCount,
+} from "@/features/page-details/types/backlink.types.ts";
+
+const BACKLINKS_STALE_TIME = 30 * 1000;
+const BACKLINKS_PAGE_LIMIT = 100;
+
+export function useBacklinksCountQuery(pageId: string | undefined) {
+  return useQuery<IBacklinkCount>({
+    queryKey: ["backlinks-count", pageId],
+    queryFn: () => getBacklinksCount(pageId as string),
+    enabled: !!pageId,
+    staleTime: BACKLINKS_STALE_TIME,
+  });
+}
+
+export function useBacklinksQuery(
+  pageId: string | undefined,
+  direction: BacklinkDirection,
+  enabled: boolean,
+) {
+  return useInfiniteQuery({
+    queryKey: ["backlinks", pageId, direction],
+    queryFn: ({ pageParam }) =>
+      getBacklinks({
+        pageId: pageId as string,
+        direction,
+        cursor: pageParam,
+        limit: BACKLINKS_PAGE_LIMIT,
+      }),
+    enabled: enabled && !!pageId,
+    initialPageParam: undefined as string | undefined,
+    getNextPageParam: (lastPage) =>
+      lastPage.meta.hasNextPage
+        ? (lastPage.meta.nextCursor ?? undefined)
+        : undefined,
+    staleTime: BACKLINKS_STALE_TIME,
+  });
+}