디렉터리 페이지 레이아웃 구현 및 디렉터리 생성 구현

src/routes/(main)/directory/[[id]]/+page.server.ts

@@ -0,0 +1,35 @@
+import { error } from "@sveltejs/kit";
+import { z } from "zod";
+import type { DirectroyInfoResponse } from "$lib/server/schemas";
+import type { PageServerLoad } from "./$types";
+
+export const load: PageServerLoad = async ({ params, fetch }) => {
+  const zodRes = z
+    .object({
+      id: z.coerce.number().int().positive().optional(),
+    })
+    .safeParse(params);
+  if (!zodRes.success) error(404, "Not found");
+  const { id } = zodRes.data;
+
+  const directoryId = id ? id : ("root" as const);
+  const res = await fetch(`/api/directory/${directoryId}`);
+  if (!res.ok) error(404, "Not found");
+
+  const directoryInfo: DirectroyInfoResponse = await res.json();
+  const subDirectoryInfos = await Promise.all(
+    directoryInfo.subDirectories.map(async (subDirectoryId) => {
+      const res = await fetch(`/api/directory/${subDirectoryId}`);
+      if (!res.ok) error(500, "Internal server error");
+      return (await res.json()) as DirectroyInfoResponse;
+    }),
+  );
+  const fileInfos = directoryInfo.files; // TODO
+
+  return {
+    id: directoryId,
+    metadata: directoryInfo.metadata,
+    subDirectories: subDirectoryInfos,
+    files: fileInfos,
+  };
+};