Add route for invalidating discover cache

src/app/api/discover/refresh/route.ts

@@ -0,0 +1,19 @@
+import { NextRequest, NextResponse } from "next/server";
+import { revalidateTag } from "next/cache";
+import { checkUserRoles } from "@/utils/user";
+import { createClient } from "@/utils/supabase/server";
+
+export async function GET(req: NextRequest) {
+  const supa = await createClient();
+  const { data: user } = await supa.auth.getUser();
+  if (!user) {
+    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+  }
+  const { isAdmin } = await checkUserRoles(supa);
+  if (!isAdmin) {
+    return NextResponse.json({ error: "Forbidden" }, { status: 403 });
+  }
+
+  revalidateTag("discover");
+  return NextResponse.redirect(new URL("/discover", req.url));
+}

src/app/discover/actions.ts

@@ -328,7 +328,7 @@ export async function getDiscoverData(sort: DiscoverSortOption): Promise<Discove
       } satisfies DiscoverDataResult;
      },
      [`discover-data:${sort}:${dayStamp}`], // Cache key
-     { revalidate: TIME_TO_LIVE } // Cache duration
+     { revalidate: TIME_TO_LIVE, tags: ["discover"] } // Cache duration
    );
 
    return runner();