카테고리 페이지에 파일 목록 부분 구현

src/lib/modules/filesystem.ts

@@ -13,6 +13,7 @@ import {
 } from "$lib/indexedDB";
 import { unwrapDataKey, decryptString } from "$lib/modules/crypto";
 import type {
+  CategoryFileListResponse,
   CategoryInfoResponse,
   DirectoryInfoResponse,
   FileInfoResponse,
@@ -56,6 +57,7 @@ export type CategoryInfo =
       dataKeyVersion?: undefined;
       name?: undefined;
       subCategoryIds: number[];
+      files?: undefined;
     }
   | {
       id: number;
@@ -63,6 +65,7 @@ export type CategoryInfo =
       dataKeyVersion?: Date;
       name: string;
       subCategoryIds: number[];
+      files: number[];
     };
 
 const directoryInfoStore = new Map<DirectoryId, Writable<DirectoryInfo | null>>();
@@ -235,7 +238,7 @@ const fetchCategoryInfoFromServer = async (
   info: Writable<CategoryInfo | null>,
   masterKey: CryptoKey,
 ) => {
-  const res = await callGetApi(`/api/category/${id}`);
+  let res = await callGetApi(`/api/category/${id}`);
   if (res.status === 404) {
     info.set(null);
     return;
@@ -251,12 +254,20 @@ const fetchCategoryInfoFromServer = async (
     const { dataKey } = await unwrapDataKey(metadata!.dek, masterKey);
     const name = await decryptString(metadata!.name, metadata!.nameIv, dataKey);
 
+    res = await callGetApi(`/api/category/${id}/file/list`);
+    if (!res.ok) {
+      throw new Error("Failed to fetch category files");
+    }
+
+    const { files }: CategoryFileListResponse = await res.json();
+
     info.set({
       id,
       dataKey,
       dataKeyVersion: new Date(metadata!.dekVersion),
       name,
       subCategoryIds: subCategories,
+      files,
     });
   }
 };

src/lib/server/schemas/category.ts

@@ -17,6 +17,16 @@ export const categoryInfoResponse = z.object({
 });
 export type CategoryInfoResponse = z.infer<typeof categoryInfoResponse>;
 
+export const categoryFileAddRequest = z.object({
+  file: z.number().int().positive(),
+});
+export type CategoryFileAddRequest = z.infer<typeof categoryFileAddRequest>;
+
+export const categoryFileListResponse = z.object({
+  files: z.number().int().positive().array(),
+});
+export type CategoryFileListResponse = z.infer<typeof categoryFileListResponse>;
+
 export const categoryCreateRequest = z.object({
   parent: categoryIdSchema,
   mekVersion: z.number().int().positive(),

src/lib/server/services/category.ts

@@ -7,6 +7,7 @@ import {
   type NewCategory,
 } from "$lib/server/db/category";
 import { IntegrityError } from "$lib/server/db/error";
+import { getAllFilesByCategory, getFile, addFileToCategory } from "$lib/server/db/file";
 
 export const getCategoryInformation = async (userId: number, categoryId: CategoryId) => {
   const category = categoryId !== "root" ? await getCategory(userId, categoryId) : undefined;
@@ -27,6 +28,35 @@ export const getCategoryInformation = async (userId: number, categoryId: Categor
   };
 };
 
+export const addCategoryFile = async (userId: number, categoryId: number, fileId: number) => {
+  const category = await getCategory(userId, categoryId);
+  const file = await getFile(userId, fileId);
+  if (!category) {
+    error(404, "Invalid category id");
+  } else if (!file) {
+    error(404, "Invalid file id");
+  }
+
+  try {
+    await addFileToCategory(fileId, categoryId);
+  } catch (e) {
+    if (e instanceof IntegrityError && e.message === "File already added to category") {
+      error(400, "File already added");
+    }
+    throw e;
+  }
+};
+
+export const getCategoryFiles = async (userId: number, categoryId: number) => {
+  const category = await getCategory(userId, categoryId);
+  if (!category) {
+    error(404, "Invalid category id");
+  }
+
+  const files = await getAllFilesByCategory(userId, categoryId);
+  return { files: files.map(({ id }) => id) };
+};
+
 export const createCategory = async (params: NewCategory) => {
   const oneMinuteAgo = new Date(Date.now() - 60 * 1000);
   const oneMinuteLater = new Date(Date.now() + 60 * 1000);