프론트엔드에서의 파일 업로드 전 중복 검사 구현

src/routes/api/file/scanDuplicates/+server.ts

@@ -0,0 +1,20 @@
+import { error, json } from "@sveltejs/kit";
+import { authorize } from "$lib/server/modules/auth";
+import {
+  duplicateFileScanRequest,
+  duplicateFileScanResponse,
+  type DuplicateFileScanResponse,
+} from "$lib/server/schemas";
+import { scanDuplicateFiles } from "$lib/server/services/file";
+import type { RequestHandler } from "./$types";
+
+export const POST: RequestHandler = async ({ locals, request }) => {
+  const { userId } = await authorize(locals, "activeClient");
+
+  const zodRes = duplicateFileScanRequest.safeParse(await request.json());
+  if (!zodRes.success) error(400, "Invalid request body");
+  const { hskVersion, contentHmac } = zodRes.data;
+
+  const { files } = await scanDuplicateFiles(userId, hskVersion, contentHmac);
+  return json(duplicateFileScanResponse.parse({ files } satisfies DuplicateFileScanResponse));
+};