패키지 버전 업데이트

.github/workflows/docker.yaml

@@ -31,7 +31,7 @@ jobs:
         with:
           images: ghcr.io/${{ github.repository }}
           tags: |
-            type=semver,value={{version}}
+            type=semver,pattern={{version}}
             type=raw,value=latest
             type=sha
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "arkvault",
   "private": true,
-  "version": "0.8.0",
+  "version": "0.9.1",
   "type": "module",
   "scripts": {
     "dev": "vite dev",
@@ -16,55 +16,56 @@
     "db:migrate": "kysely migrate"
   },
   "devDependencies": {
-    "@eslint/compat": "^2.0.1",
-    "@eslint/js": "^9.39.2",
-    "@iconify-json/material-symbols": "^1.2.51",
+    "@eslint/compat": "^2.0.3",
+    "@eslint/js": "^9.39.4",
+    "@iconify-json/material-symbols": "^1.2.60",
     "@noble/hashes": "^2.0.1",
-    "@sveltejs/adapter-node": "^5.4.0",
-    "@sveltejs/kit": "^2.49.4",
+    "@sveltejs/adapter-node": "^5.5.4",
+    "@sveltejs/kit": "^2.53.4",
     "@sveltejs/vite-plugin-svelte": "^6.2.4",
-    "@tanstack/svelte-virtual": "^3.13.18",
-    "@trpc/client": "^11.8.1",
+    "@tanstack/svelte-virtual": "^3.13.21",
+    "@trpc/client": "^11.12.0",
     "@types/file-saver": "^2.0.7",
     "@types/ms": "^0.7.34",
     "@types/node-schedule": "^2.1.8",
-    "@types/pg": "^8.16.0",
-    "autoprefixer": "^10.4.23",
-    "axios": "^1.13.2",
-    "dexie": "^4.2.1",
-    "eslint": "^9.39.2",
+    "@types/pg": "^8.18.0",
+    "autoprefixer": "^10.4.27",
+    "axios": "^1.13.6",
+    "dexie": "^4.3.0",
+    "es-hangul": "^2.3.8",
+    "eslint": "^9.39.4",
     "eslint-config-prettier": "^10.1.8",
-    "eslint-plugin-svelte": "^3.14.0",
+    "eslint-plugin-svelte": "^3.15.0",
     "eslint-plugin-tailwindcss": "^3.18.2",
-    "exifreader": "^4.35.0",
+    "exifreader": "^4.36.2",
     "file-saver": "^2.0.5",
-    "globals": "^17.0.0",
+    "globals": "^17.4.0",
     "heic2any": "^0.0.4",
-    "kysely-ctl": "^0.19.0",
-    "lru-cache": "^11.2.4",
+    "kysely-ctl": "^0.20.0",
+    "lru-cache": "^11.2.6",
     "mime": "^4.1.0",
-    "p-limit": "^7.2.0",
-    "prettier": "^3.7.4",
-    "prettier-plugin-svelte": "^3.4.1",
+    "p-limit": "^7.3.0",
+    "prettier": "^3.8.1",
+    "prettier-plugin-svelte": "^3.5.1",
     "prettier-plugin-tailwindcss": "^0.7.2",
-    "svelte": "^5.46.1",
-    "svelte-check": "^4.3.5",
+    "svelte": "^5.53.7",
+    "svelte-check": "^4.4.5",
     "tailwindcss": "^3.4.19",
     "typescript": "^5.9.3",
-    "typescript-eslint": "^8.52.0",
-    "unplugin-icons": "^22.5.0",
+    "typescript-eslint": "^8.56.1",
+    "unplugin-icons": "^23.0.1",
     "vite": "^7.3.1"
   },
   "dependencies": {
-    "@trpc/server": "^11.8.1",
+    "@trpc/server": "^11.12.0",
     "argon2": "^0.44.0",
-    "kysely": "^0.28.9",
+    "kysely": "^0.28.11",
     "ms": "^2.1.3",
     "node-schedule": "^2.1.1",
-    "pg": "^8.16.3",
+    "pg": "^8.20.0",
     "superjson": "^2.2.6",
     "uuid": "^13.0.0",
-    "zod": "^4.3.5"
+    "zod": "^4.3.6"
   },
   "engines": {
     "node": "^22.0.0",

src/lib/components/atoms/Chip.svelte

@@ -0,0 +1,53 @@
+<script lang="ts">
+  import type { Snippet } from "svelte";
+  import type { ClassValue } from "svelte/elements";
+
+  import IconClose from "~icons/material-symbols/close";
+
+  interface Props {
+    children: Snippet;
+    class?: ClassValue;
+    onclick?: () => void;
+    onRemoveClick?: () => void;
+    removable?: boolean;
+    selected?: boolean;
+  }
+
+  let {
+    children,
+    class: className,
+    onclick = () => (selected = !selected),
+    onRemoveClick,
+    removable = false,
+    selected = $bindable(false),
+  }: Props = $props();
+</script>
+
+<!-- svelte-ignore a11y_no_static_element_interactions -->
+<!-- svelte-ignore a11y_click_events_have_key_events -->
+<div
+  onclick={onclick && (() => setTimeout(onclick, 100))}
+  class={[
+    "inline-flex cursor-pointer items-center gap-x-1 rounded-lg px-3 py-1.5 text-sm font-medium transition active:scale-95",
+    selected
+      ? "bg-primary-500 text-white active:bg-primary-400"
+      : "bg-gray-100 text-gray-700 active:bg-gray-200",
+    className,
+  ]}
+>
+  <span>
+    {@render children()}
+  </span>
+  {#if removable && selected}
+    <button
+      onclick={(e) => {
+        e.stopPropagation();
+        if (onRemoveClick) {
+          setTimeout(onRemoveClick, 100);
+        }
+      }}
+    >
+      <IconClose />
+    </button>
+  {/if}
+</div>

src/lib/components/atoms/RowVirtualizer.svelte

@@ -6,13 +6,22 @@
   interface Props {
     class?: ClassValue;
     count: number;
+    estimateItemHeight: (index: number) => number;
+    getItemKey?: (index: number) => string | number;
     item: Snippet<[index: number]>;
-    itemHeight: (index: number) => number;
     itemGap?: number;
     placeholder?: Snippet;
   }
 
-  let { class: className, count, item, itemHeight, itemGap, placeholder }: Props = $props();
+  let {
+    class: className,
+    count,
+    estimateItemHeight,
+    getItemKey,
+    item,
+    itemGap,
+    placeholder,
+  }: Props = $props();
 
   let element: HTMLElement | undefined = $state();
   let scrollMargin = $state(0);
@@ -20,8 +29,9 @@
   let virtualizer = $derived(
     createWindowVirtualizer({
       count,
-      estimateSize: itemHeight,
+      estimateSize: estimateItemHeight,
       gap: itemGap,
+      getItemKey: getItemKey,
       scrollMargin,
     }),
   );

src/lib/components/atoms/buttons/ActionEntryButton.svelte

@@ -49,7 +49,7 @@
   </div>
 </div>
 
-<style>
+<style lang="postcss">
   #container:active:not(:has(#action-button:active)) {
     @apply bg-gray-100;
   }

src/lib/components/atoms/buttons/FileThumbnailButton.svelte

@@ -2,6 +2,8 @@
   import { getFileThumbnail } from "$lib/modules/file";
   import type { SummarizedFileInfo } from "$lib/modules/filesystem";
 
+  import IconFavorite from "~icons/material-symbols/favorite";
+
   interface Props {
     info: SummarizedFileInfo;
     onclick?: (file: SummarizedFileInfo) => void;
@@ -14,11 +16,19 @@
 
 <button
   onclick={onclick && (() => setTimeout(() => onclick(info), 100))}
-  class="aspect-square overflow-hidden rounded transition active:scale-95 active:brightness-90"
+  class="relative aspect-square overflow-hidden rounded transition active:scale-95 active:brightness-90"
 >
   {#if $thumbnail}
     <img src={$thumbnail} alt={info.name} class="h-full w-full object-cover" />
   {:else}
     <div class="h-full w-full bg-gray-100"></div>
   {/if}
+  {#if info.isFavorite}
+    <div class={["absolute bottom-0.5 right-0.5"]}>
+      <IconFavorite
+        class="text-sm text-red-500"
+        style="filter: drop-shadow(0 0 1px white) drop-shadow(0 0 1px white)"
+      />
+    </div>
+  {/if}
 </button>

src/lib/components/atoms/index.ts

@@ -1,5 +1,6 @@
 export { default as BottomSheet } from "./BottomSheet.svelte";
 export * from "./buttons";
+export { default as Chip } from "./Chip.svelte";
 export * from "./divs";
 export * from "./inputs";
 export { default as Modal } from "./Modal.svelte";

src/lib/components/atoms/inputs/TextInput.svelte

@@ -28,7 +28,7 @@
   </div>
 </div>
 
-<style>
+<style lang="postcss">
   input:focus,
   input:not(:placeholder-shown) {
     @apply border-primary-300;

src/lib/components/molecules/SubCategories.svelte

@@ -10,9 +10,9 @@
     class?: ClassValue;
     info: CategoryInfo;
     onSubCategoryClick: (subCategory: SelectedCategory) => void;
-    onSubCategoryCreateClick: () => void;
+    onSubCategoryCreateClick?: () => void;
     onSubCategoryMenuClick?: (category: SelectedCategory) => void;
-    subCategoryCreatePosition?: "top" | "bottom";
+    subCategoryCreatePosition?: "top" | "bottom" | "none";
     subCategoryMenuIcon?: Component<SvelteHTMLElements["svg"]>;
   }
 
@@ -22,7 +22,7 @@
     onSubCategoryClick,
     onSubCategoryCreateClick,
     onSubCategoryMenuClick,
-    subCategoryCreatePosition = "bottom",
+    subCategoryCreatePosition = "none",
     subCategoryMenuIcon,
   }: Props = $props();
 </script>

src/lib/components/molecules/TopBar.svelte

@@ -8,10 +8,11 @@
     children?: Snippet;
     class?: ClassValue;
     onBackClick?: () => void;
+    showBackButton?: boolean;
     title?: string;
   }
 
-  let { children, class: className, onBackClick, title }: Props = $props();
+  let { children, class: className, onBackClick, showBackButton = true, title }: Props = $props();
 </script>
 
 <div
@@ -20,12 +21,16 @@
     className,
   ]}
 >
-  <button
-    onclick={onBackClick || (() => history.back())}
-    class="w-[2.3rem] flex-shrink-0 rounded-full p-1 active:bg-black active:bg-opacity-[0.04]"
-  >
-    <IconArrowBack class="text-2xl" />
-  </button>
+  <div class="w-[2.3rem] flex-shrink-0">
+    {#if showBackButton}
+      <button
+        onclick={onBackClick ?? (() => history.back())}
+        class="w-full rounded-full p-1 text-2xl active:bg-black active:bg-opacity-[0.04]"
+      >
+        <IconArrowBack />
+      </button>
+    {/if}
+  </div>
   {#if title}
     <p class="flex-grow truncate text-center text-lg font-semibold">{title}</p>
   {/if}

src/lib/components/molecules/labels/DirectoryEntryLabel.svelte

@@ -5,9 +5,11 @@
   import IconFolder from "~icons/material-symbols/folder";
   import IconDriveFolderUpload from "~icons/material-symbols/drive-folder-upload";
   import IconDraft from "~icons/material-symbols/draft";
+  import IconFavorite from "~icons/material-symbols/favorite";
 
   interface Props {
     class?: ClassValue;
+    isFavorite?: boolean;
     name: string;
     subtext?: string;
     textClass?: ClassValue;
@@ -17,6 +19,7 @@
 
   let {
     class: className,
+    isFavorite = false,
     name,
     subtext,
     textClass: textClassName,
@@ -26,7 +29,7 @@
 </script>
 
 {#snippet iconSnippet()}
-  <div class="flex h-10 w-10 items-center justify-center text-xl">
+  <div class="relative flex h-10 w-10 items-center justify-center text-xl">
     {#if thumbnail}
       <img src={thumbnail} alt={name} loading="lazy" class="aspect-square rounded object-cover" />
     {:else if type === "directory"}
@@ -36,6 +39,14 @@
     {:else}
       <IconDraft class="text-blue-400" />
     {/if}
+    {#if isFavorite}
+      <div class={["absolute bottom-0 right-0", !thumbnail && "rounded-full bg-white p-0.5"]}>
+        <IconFavorite
+          class="text-xs text-red-500"
+          style="filter: drop-shadow(0 0 1px white) drop-shadow(0 0 1px white)"
+        />
+      </div>
+    {/if}
   </div>
 {/snippet}
 

src/lib/indexedDB/cacheIndex.ts

@@ -20,7 +20,12 @@ export const getFileCacheIndex = async () => {
 };
 
 export const storeFileCacheIndex = async (fileCacheIndex: FileCacheIndex) => {
-  await cacheIndex.fileCache.put(fileCacheIndex);
+  await cacheIndex.fileCache.put({
+    fileId: fileCacheIndex.fileId,
+    cachedAt: fileCacheIndex.cachedAt,
+    lastRetrievedAt: fileCacheIndex.lastRetrievedAt,
+    size: fileCacheIndex.size,
+  });
 };
 
 export const deleteFileCacheIndex = async (fileId: number) => {

src/lib/indexedDB/filesystem.ts

@@ -4,6 +4,7 @@ interface DirectoryInfo {
   id: number;
   parentId: DirectoryId;
   name: string;
+  isFavorite: boolean;
 }
 
 interface FileInfo {
@@ -14,6 +15,7 @@ interface FileInfo {
   createdAt?: Date;
   lastModifiedAt: Date;
   categoryIds?: number[];
+  isFavorite: boolean;
 }
 
 interface CategoryInfo {
@@ -46,6 +48,23 @@ filesystem
       });
   });
 
+filesystem.version(4).upgrade(async (trx) => {
+  await Promise.all([
+    trx
+      .table("directory")
+      .toCollection()
+      .modify((directory) => {
+        directory.isFavorite = false;
+      }),
+    trx
+      .table("file")
+      .toCollection()
+      .modify((file) => {
+        file.isFavorite = false;
+      }),
+  ]);
+});
+
 export const getDirectoryInfos = async (parentId: DirectoryId) => {
   return await filesystem.directory.where({ parentId }).toArray();
 };
@@ -55,7 +74,11 @@ export const getDirectoryInfo = async (id: number) => {
 };
 
 export const storeDirectoryInfo = async (directoryInfo: DirectoryInfo) => {
-  await filesystem.directory.upsert(directoryInfo.id, { ...directoryInfo });
+  await filesystem.directory.upsert(directoryInfo.id, {
+    parentId: directoryInfo.parentId,
+    name: directoryInfo.name,
+    isFavorite: directoryInfo.isFavorite,
+  });
 };
 
 export const deleteDirectoryInfo = async (id: number) => {
@@ -89,7 +112,15 @@ export const bulkGetFileInfos = async (ids: number[]) => {
 };
 
 export const storeFileInfo = async (fileInfo: FileInfo) => {
-  await filesystem.file.upsert(fileInfo.id, { ...fileInfo });
+  await filesystem.file.upsert(fileInfo.id, {
+    parentId: fileInfo.parentId,
+    name: fileInfo.name,
+    contentType: fileInfo.contentType,
+    createdAt: fileInfo.createdAt,
+    lastModifiedAt: fileInfo.lastModifiedAt,
+    categoryIds: fileInfo.categoryIds,
+    isFavorite: fileInfo.isFavorite,
+  });
 };
 
 export const deleteFileInfo = async (id: number) => {
@@ -116,7 +147,12 @@ export const getCategoryInfo = async (id: number) => {
 };
 
 export const storeCategoryInfo = async (categoryInfo: CategoryInfo) => {
-  await filesystem.category.upsert(categoryInfo.id, { ...categoryInfo });
+  await filesystem.category.upsert(categoryInfo.id, {
+    parentId: categoryInfo.parentId,
+    name: categoryInfo.name,
+    files: categoryInfo.files,
+    isFileRecursive: categoryInfo.isFileRecursive,
+  });
 };
 
 export const updateCategoryInfo = async (id: number, changes: { isFileRecursive?: boolean }) => {

src/lib/modules/file/upload.svelte.ts

@@ -10,6 +10,7 @@ import { Scheduler } from "$lib/utils";
 import { trpc } from "$trpc/client";
 
 export interface FileUploadState {
+  id: string;
   name: string;
   parentId: DirectoryId;
   status:
@@ -208,6 +209,7 @@ export const uploadFile = async (
   onDuplicate: () => Promise<boolean>,
 ) => {
   uploadingFiles.push({
+    id: crypto.randomUUID(),
     name: file.name,
     parentId,
     status: "queued",

src/lib/modules/filesystem/category.ts

@@ -21,6 +21,7 @@ const cache = new FilesystemCache<CategoryId, MaybeCategoryInfo>({
                   name: fileInfo.name,
                   createdAt: fileInfo.createdAt,
                   lastModifiedAt: fileInfo.lastModifiedAt,
+                  isFavorite: fileInfo.isFavorite,
                   isRecursive: file.isRecursive,
                 }
               : undefined;
@@ -64,6 +65,7 @@ const cache = new FilesystemCache<CategoryId, MaybeCategoryInfo>({
               id: file.id,
               parentId: file.parent,
               contentType: file.contentType,
+              isFavorite: file.isFavorite,
               isRecursive: file.isRecursive,
               ...(await decryptFileMetadata(file, masterKey)),
             })),

src/lib/modules/filesystem/directory.ts

@@ -26,6 +26,7 @@ const cache = new FilesystemCache<DirectoryId, MaybeDirectoryInfo>({
         name: directory.name,
         subDirectories,
         files,
+        isFavorite: directory.isFavorite,
       };
     }
   },
@@ -38,6 +39,7 @@ const cache = new FilesystemCache<DirectoryId, MaybeDirectoryInfo>({
           directory.subDirectories.map(async (directory) => ({
             id: directory.id,
             parentId: id,
+            isFavorite: directory.isFavorite,
             ...(await decryptDirectoryMetadata(directory, masterKey)),
           })),
         ),
@@ -46,6 +48,7 @@ const cache = new FilesystemCache<DirectoryId, MaybeDirectoryInfo>({
             id: file.id,
             parentId: id,
             contentType: file.contentType,
+            isFavorite: file.isFavorite,
             ...(await decryptFileMetadata(file, masterKey)),
           })),
         ),
@@ -59,6 +62,7 @@ const cache = new FilesystemCache<DirectoryId, MaybeDirectoryInfo>({
               parentId: directory.metadata!.parent,
               subDirectories,
               files,
+              isFavorite: directory.metadata!.isFavorite,
               ...metadata!,
             }
           : { id, subDirectories, files },
@@ -97,6 +101,34 @@ const storeToIndexedDB = (info: DirectoryInfo) => {
   return { ...info, exists: true as const };
 };
 
-export const getDirectoryInfo = (id: DirectoryId, masterKey: CryptoKey) => {
-  return cache.get(id, masterKey);
+export const getDirectoryInfo = (
+  id: DirectoryId,
+  masterKey: CryptoKey,
+  options?: {
+    serverResponse?: {
+      parent: DirectoryId;
+      dek: string;
+      dekVersion: Date;
+      name: string;
+      nameIv: string;
+      isFavorite: boolean;
+    };
+  },
+) => {
+  return cache.get(id, masterKey, {
+    fetchFromServer:
+      options?.serverResponse &&
+      (async (cachedValue) => {
+        const metadata = await decryptDirectoryMetadata(options!.serverResponse!, masterKey);
+        return storeToIndexedDB({
+          subDirectories: [],
+          files: [],
+          ...cachedValue,
+          id: id as number,
+          parentId: options!.serverResponse!.parent,
+          isFavorite: options!.serverResponse!.isFavorite,
+          ...metadata,
+        });
+      }),
+  });
 };

src/lib/modules/filesystem/file.ts

@@ -27,6 +27,7 @@ const cache = new FilesystemCache<number, MaybeFileInfo>({
         createdAt: file.createdAt,
         lastModifiedAt: file.lastModifiedAt,
         categories: categories?.filter((category) => !!category) ?? [],
+        isFavorite: file.isFavorite,
       };
     }
   },
@@ -55,6 +56,7 @@ const cache = new FilesystemCache<number, MaybeFileInfo>({
         createdAt: metadata.createdAt,
         lastModifiedAt: metadata.lastModifiedAt,
         categories,
+        isFavorite: file.isFavorite,
       });
     } catch (e) {
       if (isTRPCClientError(e) && e.data?.code === "NOT_FOUND") {
@@ -120,6 +122,7 @@ const cache = new FilesystemCache<number, MaybeFileInfo>({
           parentId: metadataRaw.parent,
           contentType: metadataRaw.contentType,
           categories,
+          isFavorite: metadataRaw.isFavorite,
           ...metadata,
         };
       }),
@@ -168,8 +171,41 @@ const bulkStoreToIndexedDB = (infos: FileInfo[]) => {
   return infos.map((info) => [info.id, { ...info, exists: true }] as const);
 };
 
-export const getFileInfo = (id: number, masterKey: CryptoKey) => {
-  return cache.get(id, masterKey);
+export const getFileInfo = (
+  id: number,
+  masterKey: CryptoKey,
+  options?: {
+    serverResponse?: {
+      parent: DirectoryId;
+      dek: string;
+      dekVersion: Date;
+      contentType: string;
+      name: string;
+      nameIv: string;
+      createdAt?: string;
+      createdAtIv?: string;
+      lastModifiedAt: string;
+      lastModifiedAtIv: string;
+      isFavorite: boolean;
+    };
+  },
+) => {
+  return cache.get(id, masterKey, {
+    fetchFromServer:
+      options?.serverResponse &&
+      (async (cachedValue) => {
+        const metadata = await decryptFileMetadata(options!.serverResponse!, masterKey);
+        return storeToIndexedDB({
+          categories: [],
+          ...cachedValue,
+          id,
+          parentId: options!.serverResponse!.parent,
+          contentType: options!.serverResponse!.contentType,
+          isFavorite: options!.serverResponse!.isFavorite,
+          ...metadata,
+        });
+      }),
+  });
 };
 
 export const bulkGetFileInfo = (ids: number[], masterKey: CryptoKey) => {

src/lib/modules/filesystem/internal.svelte.ts

@@ -16,7 +16,11 @@ export class FilesystemCache<K, V extends object> {
 
   constructor(private readonly options: FilesystemCacheOptions<K, V>) {}
 
-  get(key: K, masterKey: CryptoKey) {
+  get(
+    key: K,
+    masterKey: CryptoKey,
+    options?: { fetchFromServer?: (cachedValue: V | undefined) => Promise<V> },
+  ) {
     return untrack(() => {
       let state = this.map.get(key);
       if (state?.promise) return state.value ?? state.promise;
@@ -30,7 +34,7 @@ export class FilesystemCache<K, V extends object> {
       }
 
       (state.value
-        ? Promise.resolve(state.value)
+        ? Promise.resolve($state.snapshot(state.value) as V)
         : this.options.fetchFromIndexedDB(key).then((loadedInfo) => {
             if (loadedInfo) {
               state.value = loadedInfo;
@@ -39,7 +43,11 @@ export class FilesystemCache<K, V extends object> {
             return loadedInfo;
           })
       )
-        .then((cachedInfo) => this.options.fetchFromServer(key, cachedInfo, masterKey))
+        .then(
+          (cachedInfo) =>
+            options?.fetchFromServer?.(cachedInfo) ??
+            this.options.fetchFromServer(key, cachedInfo, masterKey),
+        )
         .then((loadedInfo) => {
           if (state.value) {
             Object.assign(state.value, loadedInfo);

src/lib/modules/filesystem/types.ts

@@ -1,22 +1,23 @@
 export type DataKey = { key: CryptoKey; version: Date };
-type AllUndefined<T> = { [K in keyof T]?: undefined };
 
-interface LocalDirectoryInfo {
+export interface LocalDirectoryInfo {
   id: number;
   parentId: DirectoryId;
   dataKey?: DataKey;
   name: string;
   subDirectories: SubDirectoryInfo[];
   files: SummarizedFileInfo[];
+  isFavorite: boolean;
 }
 
-interface RootDirectoryInfo {
+export interface RootDirectoryInfo {
   id: "root";
   parentId?: undefined;
   dataKey?: undefined;
   name?: undefined;
   subDirectories: SubDirectoryInfo[];
   files: SummarizedFileInfo[];
+  isFavorite?: undefined;
 }
 
 export type DirectoryInfo = LocalDirectoryInfo | RootDirectoryInfo;
@@ -36,6 +37,7 @@ export interface FileInfo {
   createdAt?: Date;
   lastModifiedAt: Date;
   categories: FileCategoryInfo[];
+  isFavorite: boolean;
 }
 
 export type MaybeFileInfo =
@@ -45,7 +47,7 @@ export type MaybeFileInfo =
 export type SummarizedFileInfo = Omit<FileInfo, "categories">;
 export type CategoryFileInfo = SummarizedFileInfo & { isRecursive: boolean };
 
-interface LocalCategoryInfo {
+export interface LocalCategoryInfo {
   id: number;
   parentId: DirectoryId;
   dataKey?: DataKey;
@@ -55,7 +57,7 @@ interface LocalCategoryInfo {
   isFileRecursive: boolean;
 }
 
-interface RootCategoryInfo {
+export interface RootCategoryInfo {
   id: "root";
   parentId?: undefined;
   dataKey?: undefined;

src/lib/server/db/directory.ts

@@ -0,0 +1,278 @@
+import type { Selectable } from "kysely";
+import { IntegrityError } from "./error";
+import db from "./kysely";
+import type { Ciphertext, DirectoryTable } from "./schema";
+
+interface Directory {
+  id: number;
+  parentId: DirectoryId;
+  userId: number;
+  mekVersion: number;
+  encDek: string;
+  dekVersion: Date;
+  encName: Ciphertext;
+  isFavorite: boolean;
+}
+
+const toDirectory = (row: Selectable<DirectoryTable>): Directory => ({
+  id: row.id,
+  parentId: row.parent_id ?? "root",
+  userId: row.user_id,
+  mekVersion: row.master_encryption_key_version,
+  encDek: row.encrypted_data_encryption_key,
+  dekVersion: row.data_encryption_key_version,
+  encName: row.encrypted_name,
+  isFavorite: row.is_favorite,
+});
+
+export const registerDirectory = async (params: Omit<Directory, "id" | "isFavorite">) => {
+  await db.transaction().execute(async (trx) => {
+    const mek = await trx
+      .selectFrom("master_encryption_key")
+      .select("version")
+      .where("user_id", "=", params.userId)
+      .where("state", "=", "active")
+      .limit(1)
+      .forUpdate()
+      .executeTakeFirst();
+    if (mek?.version !== params.mekVersion) {
+      throw new IntegrityError("Inactive MEK version");
+    }
+
+    const { directoryId } = await trx
+      .insertInto("directory")
+      .values({
+        parent_id: params.parentId !== "root" ? params.parentId : null,
+        user_id: params.userId,
+        master_encryption_key_version: params.mekVersion,
+        encrypted_data_encryption_key: params.encDek,
+        data_encryption_key_version: params.dekVersion,
+        encrypted_name: params.encName,
+      })
+      .returning("id as directoryId")
+      .executeTakeFirstOrThrow();
+    await trx
+      .insertInto("directory_log")
+      .values({
+        directory_id: directoryId,
+        timestamp: new Date(),
+        action: "create",
+        new_name: params.encName,
+      })
+      .execute();
+  });
+};
+
+export const getAllDirectoriesByParent = async (userId: number, parentId: DirectoryId) => {
+  const directories = await db
+    .selectFrom("directory")
+    .selectAll()
+    .where("user_id", "=", userId)
+    .$if(parentId === "root", (qb) => qb.where("parent_id", "is", null))
+    .$if(parentId !== "root", (qb) => qb.where("parent_id", "=", parentId as number))
+    .execute();
+  return directories.map(toDirectory);
+};
+
+export const getAllFavoriteDirectories = async (userId: number) => {
+  const directories = await db
+    .selectFrom("directory")
+    .selectAll()
+    .where("user_id", "=", userId)
+    .where("is_favorite", "=", true)
+    .execute();
+  return directories.map(toDirectory);
+};
+
+export const getDirectory = async (userId: number, directoryId: number) => {
+  const directory = await db
+    .selectFrom("directory")
+    .selectAll()
+    .where("id", "=", directoryId)
+    .where("user_id", "=", userId)
+    .limit(1)
+    .executeTakeFirst();
+  return directory ? toDirectory(directory) : null;
+};
+
+export const searchDirectories = async (
+  userId: number,
+  filters: {
+    parentId: DirectoryId;
+    inFavorites: boolean;
+  },
+) => {
+  const directories = await db
+    .withRecursive("directory_tree", (db) =>
+      db
+        .selectFrom("directory")
+        .select("id")
+        .where("user_id", "=", userId)
+        .$if(filters.parentId === "root", (qb) => qb.where((eb) => eb.lit(false))) // directory_tree will be empty if parentId is "root"
+        .$if(filters.parentId !== "root", (qb) => qb.where("id", "=", filters.parentId as number))
+        .unionAll(
+          db
+            .selectFrom("directory as d")
+            .innerJoin("directory_tree as dt", "d.parent_id", "dt.id")
+            .select("d.id"),
+        ),
+    )
+    .withRecursive("favorite_directory_tree", (db) =>
+      db
+        .selectFrom("directory")
+        .select("id")
+        .where("user_id", "=", userId)
+        .$if(!filters.inFavorites, (qb) => qb.where((eb) => eb.lit(false))) // favorite_directory_tree will be empty if inFavorites is false
+        .$if(filters.inFavorites, (qb) => qb.where("is_favorite", "=", true))
+        .unionAll((db) =>
+          db
+            .selectFrom("directory as d")
+            .innerJoin("favorite_directory_tree as dt", "d.parent_id", "dt.id")
+            .select("d.id"),
+        ),
+    )
+    .selectFrom("directory")
+    .selectAll()
+    .where("user_id", "=", userId)
+    .$if(filters.parentId !== "root", (qb) =>
+      qb.where((eb) =>
+        eb.exists(eb.selectFrom("directory_tree as dt").whereRef("dt.id", "=", "parent_id")),
+      ),
+    )
+    .$if(filters.inFavorites, (qb) =>
+      qb.where((eb) =>
+        eb.exists(
+          eb.selectFrom("favorite_directory_tree as dt").whereRef("dt.id", "=", "directory.id"),
+        ),
+      ),
+    )
+    .execute();
+  return directories.map(toDirectory);
+};
+
+export const setDirectoryEncName = async (
+  userId: number,
+  directoryId: number,
+  dekVersion: Date,
+  encName: Ciphertext,
+) => {
+  await db.transaction().execute(async (trx) => {
+    const directory = await trx
+      .selectFrom("directory")
+      .select("data_encryption_key_version")
+      .where("id", "=", directoryId)
+      .where("user_id", "=", userId)
+      .limit(1)
+      .forUpdate()
+      .executeTakeFirst();
+    if (!directory) {
+      throw new IntegrityError("Directory not found");
+    } else if (directory.data_encryption_key_version.getTime() !== dekVersion.getTime()) {
+      throw new IntegrityError("Invalid DEK version");
+    }
+
+    await trx
+      .updateTable("directory")
+      .set({ encrypted_name: encName })
+      .where("id", "=", directoryId)
+      .where("user_id", "=", userId)
+      .execute();
+    await trx
+      .insertInto("directory_log")
+      .values({
+        directory_id: directoryId,
+        timestamp: new Date(),
+        action: "rename",
+        new_name: encName,
+      })
+      .execute();
+  });
+};
+
+export const setDirectoryFavorite = async (
+  userId: number,
+  directoryId: number,
+  isFavorite: boolean,
+) => {
+  await db.transaction().execute(async (trx) => {
+    const directory = await trx
+      .selectFrom("directory")
+      .select("is_favorite")
+      .where("id", "=", directoryId)
+      .where("user_id", "=", userId)
+      .limit(1)
+      .forUpdate()
+      .executeTakeFirst();
+    if (!directory) {
+      throw new IntegrityError("Directory not found");
+    } else if (directory.is_favorite === isFavorite) {
+      throw new IntegrityError(
+        isFavorite ? "Directory already favorited" : "Directory not favorited",
+      );
+    }
+
+    await trx
+      .updateTable("directory")
+      .set({ is_favorite: isFavorite })
+      .where("id", "=", directoryId)
+      .where("user_id", "=", userId)
+      .execute();
+    await trx
+      .insertInto("directory_log")
+      .values({
+        directory_id: directoryId,
+        timestamp: new Date(),
+        action: isFavorite ? "add-to-favorites" : "remove-from-favorites",
+      })
+      .execute();
+  });
+};
+
+export const unregisterDirectory = async (userId: number, directoryId: number) => {
+  return await db
+    .transaction()
+    .setIsolationLevel("repeatable read") // TODO: Sufficient?
+    .execute(async (trx) => {
+      const unregisterFiles = async (parentId: number) => {
+        const files = await trx
+          .selectFrom("file")
+          .leftJoin("thumbnail", "file.id", "thumbnail.file_id")
+          .select(["file.id", "file.path", "thumbnail.path as thumbnailPath"])
+          .where("file.parent_id", "=", parentId)
+          .where("file.user_id", "=", userId)
+          .forUpdate("file")
+          .execute();
+        await trx
+          .deleteFrom("file")
+          .where("parent_id", "=", parentId)
+          .where("user_id", "=", userId)
+          .execute();
+        return files;
+      };
+      const unregisterDirectoryRecursively = async (
+        directoryId: number,
+      ): Promise<{ id: number; path: string; thumbnailPath: string | null }[]> => {
+        const files = await unregisterFiles(directoryId);
+        const subDirectories = await trx
+          .selectFrom("directory")
+          .select("id")
+          .where("parent_id", "=", directoryId)
+          .where("user_id", "=", userId)
+          .execute();
+        const subDirectoryFilePaths = await Promise.all(
+          subDirectories.map(async ({ id }) => await unregisterDirectoryRecursively(id)),
+        );
+
+        const deleteRes = await trx
+          .deleteFrom("directory")
+          .where("id", "=", directoryId)
+          .where("user_id", "=", userId)
+          .executeTakeFirst();
+        if (deleteRes.numDeletedRows === 0n) {
+          throw new IntegrityError("Directory not found");
+        }
+        return files.concat(...subDirectoryFilePaths);
+      };
+      return await unregisterDirectoryRecursively(directoryId);
+    });
+};

src/lib/server/db/error.ts

@@ -8,10 +8,14 @@ type IntegrityErrorMessages =
   | "User client already exists"
   // File
   | "Directory not found"
+  | "Directory already favorited"
+  | "Directory not favorited"
   | "File not found"
   | "File is not legacy"
   | "File not found in category"
   | "File already added to category"
+  | "File already favorited"
+  | "File not favorited"
   | "Invalid DEK version"
   // HSK
   | "HSK already registered"

src/lib/server/db/file.ts

@@ -1,19 +1,9 @@
-import { sql } from "kysely";
+import { sql, type Selectable } from "kysely";
 import { jsonArrayFrom } from "kysely/helpers/postgres";
 import pg from "pg";
 import { IntegrityError } from "./error";
 import db from "./kysely";
-import type { Ciphertext } from "./schema";
-
-interface Directory {
-  id: number;
-  parentId: DirectoryId;
-  userId: number;
-  mekVersion: number;
-  encDek: string;
-  dekVersion: Date;
-  encName: Ciphertext;
-}
+import type { Ciphertext, FileTable } from "./schema";
 
 interface File {
   id: number;
@@ -31,6 +21,7 @@ interface File {
   encName: Ciphertext;
   encCreatedAt: Ciphertext | null;
   encLastModifiedAt: Ciphertext;
+  isFavorite: boolean;
 }
 
 interface FileCategory {
@@ -42,175 +33,26 @@ interface FileCategory {
   encName: Ciphertext;
 }
 
-export const registerDirectory = async (params: Omit<Directory, "id">) => {
-  await db.transaction().execute(async (trx) => {
-    const mek = await trx
-      .selectFrom("master_encryption_key")
-      .select("version")
-      .where("user_id", "=", params.userId)
-      .where("state", "=", "active")
-      .limit(1)
-      .forUpdate()
-      .executeTakeFirst();
-    if (mek?.version !== params.mekVersion) {
-      throw new IntegrityError("Inactive MEK version");
-    }
+const toFile = (row: Selectable<FileTable>): File => ({
+  id: row.id,
+  parentId: row.parent_id ?? "root",
+  userId: row.user_id,
+  path: row.path,
+  mekVersion: row.master_encryption_key_version,
+  encDek: row.encrypted_data_encryption_key,
+  dekVersion: row.data_encryption_key_version,
+  hskVersion: row.hmac_secret_key_version,
+  contentHmac: row.content_hmac,
+  contentType: row.content_type,
+  encContentIv: row.encrypted_content_iv,
+  encContentHash: row.encrypted_content_hash,
+  encName: row.encrypted_name,
+  encCreatedAt: row.encrypted_created_at,
+  encLastModifiedAt: row.encrypted_last_modified_at,
+  isFavorite: row.is_favorite,
+});
 
-    const { directoryId } = await trx
-      .insertInto("directory")
-      .values({
-        parent_id: params.parentId !== "root" ? params.parentId : null,
-        user_id: params.userId,
-        master_encryption_key_version: params.mekVersion,
-        encrypted_data_encryption_key: params.encDek,
-        data_encryption_key_version: params.dekVersion,
-        encrypted_name: params.encName,
-      })
-      .returning("id as directoryId")
-      .executeTakeFirstOrThrow();
-    await trx
-      .insertInto("directory_log")
-      .values({
-        directory_id: directoryId,
-        timestamp: new Date(),
-        action: "create",
-        new_name: params.encName,
-      })
-      .execute();
-  });
-};
-
-export const getAllDirectoriesByParent = async (userId: number, parentId: DirectoryId) => {
-  let query = db.selectFrom("directory").selectAll().where("user_id", "=", userId);
-  query =
-    parentId === "root"
-      ? query.where("parent_id", "is", null)
-      : query.where("parent_id", "=", parentId);
-  const directories = await query.execute();
-  return directories.map(
-    (directory) =>
-      ({
-        id: directory.id,
-        parentId: directory.parent_id ?? "root",
-        userId: directory.user_id,
-        mekVersion: directory.master_encryption_key_version,
-        encDek: directory.encrypted_data_encryption_key,
-        dekVersion: directory.data_encryption_key_version,
-        encName: directory.encrypted_name,
-      }) satisfies Directory,
-  );
-};
-
-export const getDirectory = async (userId: number, directoryId: number) => {
-  const directory = await db
-    .selectFrom("directory")
-    .selectAll()
-    .where("id", "=", directoryId)
-    .where("user_id", "=", userId)
-    .limit(1)
-    .executeTakeFirst();
-  return directory
-    ? ({
-        id: directory.id,
-        parentId: directory.parent_id ?? "root",
-        userId: directory.user_id,
-        mekVersion: directory.master_encryption_key_version,
-        encDek: directory.encrypted_data_encryption_key,
-        dekVersion: directory.data_encryption_key_version,
-        encName: directory.encrypted_name,
-      } satisfies Directory)
-    : null;
-};
-
-export const setDirectoryEncName = async (
-  userId: number,
-  directoryId: number,
-  dekVersion: Date,
-  encName: Ciphertext,
-) => {
-  await db.transaction().execute(async (trx) => {
-    const directory = await trx
-      .selectFrom("directory")
-      .select("data_encryption_key_version")
-      .where("id", "=", directoryId)
-      .where("user_id", "=", userId)
-      .limit(1)
-      .forUpdate()
-      .executeTakeFirst();
-    if (!directory) {
-      throw new IntegrityError("Directory not found");
-    } else if (directory.data_encryption_key_version.getTime() !== dekVersion.getTime()) {
-      throw new IntegrityError("Invalid DEK version");
-    }
-
-    await trx
-      .updateTable("directory")
-      .set({ encrypted_name: encName })
-      .where("id", "=", directoryId)
-      .where("user_id", "=", userId)
-      .execute();
-    await trx
-      .insertInto("directory_log")
-      .values({
-        directory_id: directoryId,
-        timestamp: new Date(),
-        action: "rename",
-        new_name: encName,
-      })
-      .execute();
-  });
-};
-
-export const unregisterDirectory = async (userId: number, directoryId: number) => {
-  return await db
-    .transaction()
-    .setIsolationLevel("repeatable read") // TODO: Sufficient?
-    .execute(async (trx) => {
-      const unregisterFiles = async (parentId: number) => {
-        const files = await trx
-          .selectFrom("file")
-          .leftJoin("thumbnail", "file.id", "thumbnail.file_id")
-          .select(["file.id", "file.path", "thumbnail.path as thumbnailPath"])
-          .where("file.parent_id", "=", parentId)
-          .where("file.user_id", "=", userId)
-          .forUpdate("file")
-          .execute();
-        await trx
-          .deleteFrom("file")
-          .where("parent_id", "=", parentId)
-          .where("user_id", "=", userId)
-          .execute();
-        return files;
-      };
-      const unregisterDirectoryRecursively = async (
-        directoryId: number,
-      ): Promise<{ id: number; path: string; thumbnailPath: string | null }[]> => {
-        const files = await unregisterFiles(directoryId);
-        const subDirectories = await trx
-          .selectFrom("directory")
-          .select("id")
-          .where("parent_id", "=", directoryId)
-          .where("user_id", "=", userId)
-          .execute();
-        const subDirectoryFilePaths = await Promise.all(
-          subDirectories.map(async ({ id }) => await unregisterDirectoryRecursively(id)),
-        );
-
-        const deleteRes = await trx
-          .deleteFrom("directory")
-          .where("id", "=", directoryId)
-          .where("user_id", "=", userId)
-          .executeTakeFirst();
-        if (deleteRes.numDeletedRows === 0n) {
-          throw new IntegrityError("Directory not found");
-        }
-        return files.concat(...subDirectoryFilePaths);
-      };
-      return await unregisterDirectoryRecursively(directoryId);
-    });
-};
-
-export const registerFile = async (trx: typeof db, params: Omit<File, "id">) => {
+export const registerFile = async (trx: typeof db, params: Omit<File, "id" | "isFavorite">) => {
   if ((params.hskVersion && !params.contentHmac) || (!params.hskVersion && params.contentHmac)) {
     throw new Error("Invalid arguments");
   }
@@ -248,32 +90,14 @@ export const registerFile = async (trx: typeof db, params: Omit<File, "id">) =>
 };
 
 export const getAllFilesByParent = async (userId: number, parentId: DirectoryId) => {
-  let query = db.selectFrom("file").selectAll().where("user_id", "=", userId);
-  query =
-    parentId === "root"
-      ? query.where("parent_id", "is", null)
-      : query.where("parent_id", "=", parentId);
-  const files = await query.execute();
-  return files.map(
-    (file) =>
-      ({
-        id: file.id,
-        parentId: file.parent_id ?? "root",
-        userId: file.user_id,
-        path: file.path,
-        mekVersion: file.master_encryption_key_version,
-        encDek: file.encrypted_data_encryption_key,
-        dekVersion: file.data_encryption_key_version,
-        hskVersion: file.hmac_secret_key_version,
-        contentHmac: file.content_hmac,
-        contentType: file.content_type,
-        encContentIv: file.encrypted_content_iv,
-        encContentHash: file.encrypted_content_hash,
-        encName: file.encrypted_name,
-        encCreatedAt: file.encrypted_created_at,
-        encLastModifiedAt: file.encrypted_last_modified_at,
-      }) satisfies File,
-  );
+  const files = await db
+    .selectFrom("file")
+    .selectAll()
+    .where("user_id", "=", userId)
+    .$if(parentId === "root", (qb) => qb.where("parent_id", "is", null))
+    .$if(parentId !== "root", (qb) => qb.where("parent_id", "=", parentId as number))
+    .execute();
+  return files.map(toFile);
 };
 
 export const getAllFilesByCategory = async (
@@ -306,27 +130,10 @@ export const getAllFilesByCategory = async (
     .orderBy("file_id")
     .orderBy("depth")
     .execute();
-  return files.map(
-    (file) =>
-      ({
-        id: file.file_id,
-        parentId: file.parent_id ?? "root",
-        userId: file.user_id,
-        path: file.path,
-        mekVersion: file.master_encryption_key_version,
-        encDek: file.encrypted_data_encryption_key,
-        dekVersion: file.data_encryption_key_version,
-        hskVersion: file.hmac_secret_key_version,
-        contentHmac: file.content_hmac,
-        contentType: file.content_type,
-        encContentIv: file.encrypted_content_iv,
-        encContentHash: file.encrypted_content_hash,
-        encName: file.encrypted_name,
-        encCreatedAt: file.encrypted_created_at,
-        encLastModifiedAt: file.encrypted_last_modified_at,
-        isRecursive: file.depth > 0,
-      }) satisfies File & { isRecursive: boolean },
-  );
+  return files.map((file) => ({
+    ...toFile(file),
+    isRecursive: file.depth > 0,
+  }));
 };
 
 export const getAllFileIds = async (userId: number) => {
@@ -334,14 +141,39 @@ export const getAllFileIds = async (userId: number) => {
   return files.map(({ id }) => id);
 };
 
-export const getLegacyFileIds = async (userId: number) => {
+export const getLegacyFiles = async (userId: number, limit: number = 100) => {
   const files = await db
     .selectFrom("file")
-    .select("id")
+    .selectAll()
     .where("user_id", "=", userId)
     .where("encrypted_content_iv", "is not", null)
+    .limit(limit)
     .execute();
-  return files.map(({ id }) => id);
+  return files.map(toFile);
+};
+
+export const getFilesWithoutThumbnail = async (userId: number, limit: number = 100) => {
+  const files = await db
+    .selectFrom("file")
+    .selectAll()
+    .where("user_id", "=", userId)
+    .where((eb) =>
+      eb.or([eb("content_type", "like", "image/%"), eb("content_type", "like", "video/%")]),
+    )
+    .where((eb) =>
+      eb.not(
+        eb.exists(
+          eb
+            .selectFrom("thumbnail")
+            .select("thumbnail.id")
+            .whereRef("thumbnail.file_id", "=", "file.id")
+            .limit(1),
+        ),
+      ),
+    )
+    .limit(limit)
+    .execute();
+  return files.map(toFile);
 };
 
 export const getAllFileIdsByContentHmac = async (
@@ -367,25 +199,7 @@ export const getFile = async (userId: number, fileId: number) => {
     .where("user_id", "=", userId)
     .limit(1)
     .executeTakeFirst();
-  return file
-    ? ({
-        id: file.id,
-        parentId: file.parent_id ?? "root",
-        userId: file.user_id,
-        path: file.path,
-        mekVersion: file.master_encryption_key_version,
-        encDek: file.encrypted_data_encryption_key,
-        dekVersion: file.data_encryption_key_version,
-        hskVersion: file.hmac_secret_key_version,
-        contentHmac: file.content_hmac,
-        contentType: file.content_type,
-        encContentIv: file.encrypted_content_iv,
-        encContentHash: file.encrypted_content_hash,
-        encName: file.encrypted_name,
-        encCreatedAt: file.encrypted_created_at,
-        encLastModifiedAt: file.encrypted_last_modified_at,
-      } satisfies File)
-    : null;
+  return file ? toFile(file) : null;
 };
 
 export const getFilesWithCategories = async (userId: number, fileIds: number[]) => {
@@ -404,34 +218,144 @@ export const getFilesWithCategories = async (userId: number, fileIds: number[])
     .where("id", "=", (eb) => eb.fn.any(eb.val(fileIds)))
     .where("user_id", "=", userId)
     .execute();
-  return files.map(
-    (file) =>
-      ({
-        id: file.id,
-        parentId: file.parent_id ?? "root",
-        userId: file.user_id,
-        path: file.path,
-        mekVersion: file.master_encryption_key_version,
-        encDek: file.encrypted_data_encryption_key,
-        dekVersion: file.data_encryption_key_version,
-        hskVersion: file.hmac_secret_key_version,
-        contentHmac: file.content_hmac,
-        contentType: file.content_type,
-        encContentIv: file.encrypted_content_iv,
-        encContentHash: file.encrypted_content_hash,
-        encName: file.encrypted_name,
-        encCreatedAt: file.encrypted_created_at,
-        encLastModifiedAt: file.encrypted_last_modified_at,
-        categories: file.categories.map((category) => ({
+  return files.map((file) => ({
+    ...toFile(file),
+    categories: file.categories.map(
+      (category) =>
+        ({
           id: category.id,
           parentId: category.parent_id ?? "root",
           mekVersion: category.master_encryption_key_version,
           encDek: category.encrypted_data_encryption_key,
           dekVersion: new Date(category.data_encryption_key_version),
           encName: category.encrypted_name,
-        })),
-      }) satisfies File & { categories: FileCategory[] },
-  );
+        }) satisfies FileCategory,
+    ),
+  }));
+};
+
+export const getAllFavoriteFiles = async (userId: number) => {
+  const files = await db
+    .selectFrom("file")
+    .selectAll()
+    .where("user_id", "=", userId)
+    .where("is_favorite", "=", true)
+    .execute();
+  return files.map(toFile);
+};
+
+export const searchFiles = async (
+  userId: number,
+  filters: {
+    parentId: DirectoryId;
+    inFavorites: boolean;
+    includeCategoryIds: number[];
+    excludeCategoryIds: number[];
+  },
+) => {
+  const baseQuery = db
+    .withRecursive("directory_tree", (db) =>
+      db
+        .selectFrom("directory")
+        .select("id")
+        .where("user_id", "=", userId)
+        .$if(filters.parentId === "root", (qb) => qb.where((eb) => eb.lit(false))) // directory_tree will be empty if parentId is "root"
+        .$if(filters.parentId !== "root", (qb) => qb.where("id", "=", filters.parentId as number))
+        .unionAll(
+          db
+            .selectFrom("directory as d")
+            .innerJoin("directory_tree as dt", "d.parent_id", "dt.id")
+            .select("d.id"),
+        ),
+    )
+    .withRecursive("favorite_directory_tree", (db) =>
+      db
+        .selectFrom("directory")
+        .select("id")
+        .where("user_id", "=", userId)
+        .$if(!filters.inFavorites, (qb) => qb.where((eb) => eb.lit(false))) // favorite_directory_tree will be empty if inFavorites is false
+        .$if(filters.inFavorites, (qb) => qb.where("is_favorite", "=", true))
+        .unionAll((db) =>
+          db
+            .selectFrom("directory as d")
+            .innerJoin("favorite_directory_tree as dt", "d.parent_id", "dt.id")
+            .select("d.id"),
+        ),
+    )
+    .withRecursive("include_category_tree", (db) =>
+      db
+        .selectFrom("category")
+        .select(["id", "id as root_id"])
+        .where("id", "=", (eb) => eb.fn.any(eb.val(filters.includeCategoryIds)))
+        .where("user_id", "=", userId)
+        .unionAll(
+          db
+            .selectFrom("category as c")
+            .innerJoin("include_category_tree as ct", "c.parent_id", "ct.id")
+            .select(["c.id", "ct.root_id"]),
+        ),
+    )
+    .withRecursive("exclude_category_tree", (db) =>
+      db
+        .selectFrom("category")
+        .select("id")
+        .where("id", "=", (eb) => eb.fn.any(eb.val(filters.excludeCategoryIds)))
+        .where("user_id", "=", userId)
+        .unionAll((db) =>
+          db
+            .selectFrom("category as c")
+            .innerJoin("exclude_category_tree as ct", "c.parent_id", "ct.id")
+            .select("c.id"),
+        ),
+    )
+    .selectFrom("file")
+    .selectAll("file")
+    .where("user_id", "=", userId)
+    .$if(filters.parentId !== "root", (qb) =>
+      qb.where((eb) =>
+        eb.exists(eb.selectFrom("directory_tree as dt").whereRef("dt.id", "=", "file.parent_id")),
+      ),
+    )
+    .$if(filters.inFavorites, (qb) =>
+      qb.where((eb) =>
+        eb.or([
+          eb("is_favorite", "=", true),
+          eb.exists(
+            eb.selectFrom("favorite_directory_tree as dt").whereRef("dt.id", "=", "file.parent_id"),
+          ),
+        ]),
+      ),
+    )
+    .$if(filters.excludeCategoryIds.length > 0, (qb) =>
+      qb.where((eb) =>
+        eb.not(
+          eb.exists(
+            eb
+              .selectFrom("file_category")
+              .innerJoin("exclude_category_tree", "category_id", "exclude_category_tree.id")
+              .whereRef("file_id", "=", "file.id"),
+          ),
+        ),
+      ),
+    );
+  const files =
+    filters.includeCategoryIds.length > 0
+      ? await baseQuery
+          .innerJoin("file_category", "file.id", "file_category.file_id")
+          .innerJoin(
+            "include_category_tree",
+            "file_category.category_id",
+            "include_category_tree.id",
+          )
+          .groupBy("file.id")
+          .having(
+            (eb) => eb.fn.count("include_category_tree.root_id").distinct(),
+            "=",
+            filters.includeCategoryIds.length,
+          )
+          .execute()
+      : await baseQuery.execute();
+  return files.map(toFile);
 };
 
 export const setFileEncName = async (
@@ -604,3 +528,36 @@ export const removeFileFromCategory = async (fileId: number, categoryId: number)
       .execute();
   });
 };
+
+export const setFileFavorite = async (userId: number, fileId: number, isFavorite: boolean) => {
+  await db.transaction().execute(async (trx) => {
+    const file = await trx
+      .selectFrom("file")
+      .select("is_favorite")
+      .where("id", "=", fileId)
+      .where("user_id", "=", userId)
+      .limit(1)
+      .forUpdate()
+      .executeTakeFirst();
+    if (!file) {
+      throw new IntegrityError("File not found");
+    } else if (file.is_favorite === isFavorite) {
+      throw new IntegrityError(isFavorite ? "File already favorited" : "File not favorited");
+    }
+
+    await trx
+      .updateTable("file")
+      .set({ is_favorite: isFavorite })
+      .where("id", "=", fileId)
+      .where("user_id", "=", userId)
+      .execute();
+    await trx
+      .insertInto("file_log")
+      .values({
+        file_id: fileId,
+        timestamp: new Date(),
+        action: isFavorite ? "add-to-favorites" : "remove-from-favorites",
+      })
+      .execute();
+  });
+};

src/lib/server/db/index.ts

@@ -1,5 +1,6 @@
 export * as CategoryRepo from "./category";
 export * as ClientRepo from "./client";
+export * as DirectoryRepo from "./directory";
 export * as FileRepo from "./file";
 export * as HskRepo from "./hsk";
 export * as MediaRepo from "./media";

src/lib/server/db/media.ts

@@ -83,27 +83,3 @@ export const getFileThumbnail = async (userId: number, fileId: number) => {
       } satisfies FileThumbnail)
     : null;
 };
-
-export const getMissingFileThumbnails = async (userId: number, limit: number = 100) => {
-  const files = await db
-    .selectFrom("file")
-    .select("id")
-    .where("user_id", "=", userId)
-    .where((eb) =>
-      eb.or([eb("content_type", "like", "image/%"), eb("content_type", "like", "video/%")]),
-    )
-    .where((eb) =>
-      eb.not(
-        eb.exists(
-          eb
-            .selectFrom("thumbnail")
-            .select("thumbnail.id")
-            .whereRef("thumbnail.file_id", "=", "file.id")
-            .limit(1),
-        ),
-      ),
-    )
-    .limit(limit)
-    .execute();
-  return files.map(({ id }) => id);
-};

src/lib/server/db/mek.ts

@@ -71,7 +71,7 @@ export const getAllValidClientMeks = async (userId: number, clientId: number) =>
     .selectAll()
     .where("client_master_encryption_key.user_id", "=", userId)
     .where("client_master_encryption_key.client_id", "=", clientId)
-    .where((eb) => eb.or([eb("state", "=", "active"), eb("state", "=", "retired")]))
+    .where("state", "in", ["active", "retired"])
     .execute();
   return clientMeks.map(
     ({ user_id, client_id, version, state, encrypted_key, encrypted_key_signature }) =>

src/lib/server/db/migrations/1737357000-Initial.ts

@@ -135,7 +135,7 @@ export const up = async (db: Kysely<any>) => {
     )
     .execute();
 
-  // file.ts
+  // directory.ts
   await db.schema
     .createTable("directory")
     .addColumn("id", "integer", (col) => col.primaryKey().generatedAlwaysAsIdentity())
@@ -162,6 +162,8 @@ export const up = async (db: Kysely<any>) => {
     .addColumn("action", "text", (col) => col.notNull())
     .addColumn("new_name", "json")
     .execute();
+
+  // file.ts
   await db.schema
     .createTable("file")
     .addColumn("id", "integer", (col) => col.primaryKey().generatedAlwaysAsIdentity())

src/lib/server/db/migrations/1737422340-AddFileCategory.ts

@@ -53,9 +53,7 @@ export const up = async (db: Kysely<any>) => {
 export const down = async (db: Kysely<any>) => {
   await db
     .deleteFrom("file_log")
-    .where((eb) =>
-      eb.or([eb("action", "=", "add-to-category"), eb("action", "=", "remove-from-category")]),
-    )
+    .where("action", "in", ["add-to-category", "remove-from-category"])
     .execute();
 
   await db.schema.dropTable("file_category").execute();

src/lib/server/db/migrations/1768062380-AddChunkedUpload.ts

@@ -62,6 +62,8 @@ export const up = async (db: Kysely<any>) => {
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export const down = async (db: Kysely<any>) => {
+  await db.deleteFrom("file_log").where("action", "=", "migrate").execute();
+
   await db.schema.dropTable("upload_session").execute();
   await db.schema
     .alterTable("thumbnail")

src/lib/server/db/migrations/1768643000-AddFavorites.ts

@@ -0,0 +1,31 @@
+import { Kysely } from "kysely";
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export const up = async (db: Kysely<any>) => {
+  // directory.ts
+  await db.schema
+    .alterTable("directory")
+    .addColumn("is_favorite", "boolean", (col) => col.notNull().defaultTo(false))
+    .execute();
+
+  // file.ts
+  await db.schema
+    .alterTable("file")
+    .addColumn("is_favorite", "boolean", (col) => col.notNull().defaultTo(false))
+    .execute();
+};
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export const down = async (db: Kysely<any>) => {
+  await db
+    .deleteFrom("file_log")
+    .where("action", "in", ["add-to-favorites", "remove-from-favorites"])
+    .execute();
+  await db
+    .deleteFrom("directory_log")
+    .where("action", "in", ["add-to-favorites", "remove-from-favorites"])
+    .execute();
+
+  await db.schema.alterTable("file").dropColumn("is_favorite").execute();
+  await db.schema.alterTable("directory").dropColumn("is_favorite").execute();
+};

src/lib/server/db/migrations/index.ts

@@ -2,10 +2,12 @@ import * as Initial1737357000 from "./1737357000-Initial";
 import * as AddFileCategory1737422340 from "./1737422340-AddFileCategory";
 import * as AddThumbnail1738409340 from "./1738409340-AddThumbnail";
 import * as AddChunkedUpload1768062380 from "./1768062380-AddChunkedUpload";
+import * as AddFavorites1768643000 from "./1768643000-AddFavorites";
 
 export default {
   "1737357000-Initial": Initial1737357000,
   "1737422340-AddFileCategory": AddFileCategory1737422340,
   "1738409340-AddThumbnail": AddThumbnail1738409340,
   "1768062380-AddChunkedUpload": AddChunkedUpload1768062380,
+  "1768643000-AddFavorites": AddFavorites1768643000,
 };

src/lib/server/db/schema/category.ts

@@ -1,7 +1,7 @@
 import type { Generated } from "kysely";
 import type { Ciphertext } from "./utils";
 
-interface CategoryTable {
+export interface CategoryTable {
   id: Generated<number>;
   parent_id: number | null;
   user_id: number;
@@ -11,7 +11,7 @@ interface CategoryTable {
   encrypted_name: Ciphertext;
 }
 
-interface CategoryLogTable {
+export interface CategoryLogTable {
   id: Generated<number>;
   category_id: number;
   timestamp: Date;

src/lib/server/db/schema/client.ts

@@ -1,6 +1,6 @@
 import type { ColumnType, Generated } from "kysely";
 
-interface ClientTable {
+export interface ClientTable {
   id: Generated<number>;
   encryption_public_key: string; // Base64
   signature_public_key: string; // Base64
@@ -8,13 +8,13 @@ interface ClientTable {
 
 export type UserClientState = "challenging" | "pending" | "active";
 
-interface UserClientTable {
+export interface UserClientTable {
   user_id: number;
   client_id: number;
   state: ColumnType<UserClientState, UserClientState | undefined>;
 }
 
-interface UserClientChallengeTable {
+export interface UserClientChallengeTable {
   id: Generated<number>;
   user_id: number;
   client_id: number;

src/lib/server/db/schema/directory.ts

@@ -0,0 +1,28 @@
+import type { ColumnType, Generated } from "kysely";
+import type { Ciphertext } from "./utils";
+
+export interface DirectoryTable {
+  id: Generated<number>;
+  parent_id: number | null;
+  user_id: number;
+  master_encryption_key_version: number;
+  encrypted_data_encryption_key: string; // Base64
+  data_encryption_key_version: Date;
+  encrypted_name: Ciphertext;
+  is_favorite: Generated<boolean>;
+}
+
+export interface DirectoryLogTable {
+  id: Generated<number>;
+  directory_id: number;
+  timestamp: ColumnType<Date, Date, never>;
+  action: "create" | "rename" | "add-to-favorites" | "remove-from-favorites";
+  new_name: Ciphertext | null;
+}
+
+declare module "./index" {
+  interface Database {
+    directory: DirectoryTable;
+    directory_log: DirectoryLogTable;
+  }
+}

src/lib/server/db/schema/file.ts

@@ -1,25 +1,7 @@
 import type { ColumnType, Generated } from "kysely";
 import type { Ciphertext } from "./utils";
 
-interface DirectoryTable {
-  id: Generated<number>;
-  parent_id: number | null;
-  user_id: number;
-  master_encryption_key_version: number;
-  encrypted_data_encryption_key: string; // Base64
-  data_encryption_key_version: Date;
-  encrypted_name: Ciphertext;
-}
-
-interface DirectoryLogTable {
-  id: Generated<number>;
-  directory_id: number;
-  timestamp: ColumnType<Date, Date, never>;
-  action: "create" | "rename";
-  new_name: Ciphertext | null;
-}
-
-interface FileTable {
+export interface FileTable {
   id: Generated<number>;
   parent_id: number | null;
   user_id: number;
@@ -35,26 +17,32 @@ interface FileTable {
   encrypted_name: Ciphertext;
   encrypted_created_at: Ciphertext | null;
   encrypted_last_modified_at: Ciphertext;
+  is_favorite: Generated<boolean>;
 }
 
-interface FileLogTable {
+export interface FileLogTable {
   id: Generated<number>;
   file_id: number;
   timestamp: ColumnType<Date, Date, never>;
-  action: "create" | "rename" | "migrate" | "add-to-category" | "remove-from-category";
+  action:
+    | "create"
+    | "rename"
+    | "migrate"
+    | "add-to-category"
+    | "remove-from-category"
+    | "add-to-favorites"
+    | "remove-from-favorites";
   new_name: Ciphertext | null;
   category_id: number | null;
 }
 
-interface FileCategoryTable {
+export interface FileCategoryTable {
   file_id: number;
   category_id: number;
 }
 
 declare module "./index" {
   interface Database {
-    directory: DirectoryTable;
-    directory_log: DirectoryLogTable;
     file: FileTable;
     file_log: FileLogTable;
     file_category: FileCategoryTable;

src/lib/server/db/schema/hsk.ts

@@ -2,7 +2,7 @@ import type { ColumnType, Generated } from "kysely";
 
 export type HskState = "active";
 
-interface HskTable {
+export interface HskTable {
   user_id: number;
   version: number;
   state: HskState;
@@ -10,7 +10,7 @@ interface HskTable {
   encrypted_key: string; // Base64
 }
 
-interface HskLogTable {
+export interface HskLogTable {
   id: Generated<number>;
   user_id: number;
   hmac_secret_key_version: number;

src/lib/server/db/schema/index.ts

@@ -1,5 +1,6 @@
 export * from "./category";
 export * from "./client";
+export * from "./directory";
 export * from "./file";
 export * from "./hsk";
 export * from "./media";

src/lib/server/db/schema/media.ts

@@ -1,6 +1,6 @@
 import type { Generated } from "kysely";
 
-interface ThumbnailTable {
+export interface ThumbnailTable {
   id: Generated<number>;
   directory_id: number | null;
   file_id: number | null;

src/lib/server/db/schema/mek.ts

@@ -2,13 +2,13 @@ import type { ColumnType, Generated } from "kysely";
 
 export type MekState = "active" | "retired" | "dead";
 
-interface MekTable {
+export interface MekTable {
   user_id: number;
   version: number;
   state: MekState;
 }
 
-interface MekLogTable {
+export interface MekLogTable {
   id: Generated<number>;
   user_id: number;
   master_encryption_key_version: number;
@@ -17,7 +17,7 @@ interface MekLogTable {
   action_by: number | null;
 }
 
-interface ClientMekTable {
+export interface ClientMekTable {
   user_id: number;
   client_id: number;
   version: number;

src/lib/server/db/schema/session.ts

@@ -1,6 +1,6 @@
 import type { ColumnType, Generated } from "kysely";
 
-interface SessionTable {
+export interface SessionTable {
   id: string;
   user_id: number;
   client_id: number | null;
@@ -10,7 +10,7 @@ interface SessionTable {
   last_used_by_agent: string | null;
 }
 
-interface SessionUpgradeChallengeTable {
+export interface SessionUpgradeChallengeTable {
   id: Generated<number>;
   session_id: string;
   client_id: number;

src/lib/server/db/schema/upload.ts

@@ -1,7 +1,7 @@
 import type { Generated } from "kysely";
 import type { Ciphertext } from "./utils";
 
-interface UploadSessionTable {
+export interface UploadSessionTable {
   id: string;
   type: "file" | "thumbnail" | "migration";
   user_id: number;

src/lib/server/db/schema/user.ts

@@ -1,6 +1,6 @@
 import type { Generated } from "kysely";
 
-interface UserTable {
+export interface UserTable {
   id: Generated<number>;
   email: string;
   nickname: string;

src/lib/types/utils.d.ts

@@ -0,0 +1 @@
+type AllUndefined<T> = { [K in keyof T]?: undefined };

src/lib/utils/concurrency/HybridPromise.ts

@@ -90,4 +90,42 @@ export class HybridPromise<T> implements PromiseLike<T> {
       return HybridPromise.reject(e);
     }
   }
+
+  static all<T extends readonly unknown[] | []>(
+    maybePromises: T,
+  ): HybridPromise<{ -readonly [P in keyof T]: HybridAwaited<T[P]> }> {
+    const length = maybePromises.length;
+    if (length === 0) {
+      return HybridPromise.resolve([] as any);
+    }
+
+    const hps = Array.from(maybePromises).map((p) => HybridPromise.resolve(p));
+    if (hps.some((hp) => !hp.isSync())) {
+      return new HybridPromise({
+        mode: "async",
+        promise: Promise.all(hps.map((hp) => hp.toPromise())) as any,
+      });
+    }
+
+    try {
+      return HybridPromise.resolve(
+        Array.from(
+          hps.map((hp) => {
+            if (hp.state.mode === "sync") {
+              if (hp.state.status === "fulfilled") {
+                return hp.state.value;
+              } else {
+                throw hp.state.reason;
+              }
+            }
+          }),
+        ) as any,
+      );
+    } catch (e) {
+      return HybridPromise.reject(e);
+    }
+  }
 }
+
+export type HybridAwaited<T> =
+  T extends HybridPromise<infer U> ? U : T extends Promise<infer U> ? U : T;

src/lib/utils/index.ts

@@ -1,4 +1,5 @@
 export * from "./concurrency";
 export * from "./format";
 export * from "./gotoStateful";
+export * from "./search";
 export * from "./sort";

src/lib/utils/search.ts

@@ -0,0 +1,28 @@
+import { disassemble, getChoseong } from "es-hangul";
+
+const normalize = (s: string) => {
+  return s.normalize("NFC").toLowerCase().replace(/\s/g, "");
+};
+
+const extractHangul = (s: string) => {
+  return s.replace(/[^가-힣ㄱ-ㅎㅏ-ㅣ]/g, "");
+};
+
+const hangulSearch = (original: string, query: string) => {
+  original = extractHangul(original);
+  query = extractHangul(query);
+  if (!original || !query) return false;
+
+  return (
+    disassemble(original).includes(disassemble(query)) ||
+    getChoseong(original).includes(getChoseong(query))
+  );
+};
+
+export const searchString = (original: string, query: string) => {
+  original = normalize(original);
+  query = normalize(query);
+  if (!original || !query) return false;
+
+  return original.includes(query) || hangulSearch(original, query);
+};

src/routes/(fullscreen)/file/[id]/+page.svelte

@@ -18,6 +18,7 @@
     requestThumbnailUpload,
     requestFileAdditionToCategory,
     requestVideoStream,
+    requestFavoriteToggle,
   } from "./service";
   import TopBarMenu from "./TopBarMenu.svelte";
 
@@ -75,6 +76,11 @@
     void getFileInfo(data.id, $masterKeyStore?.get(1)?.key!); // TODO: FIXME
   };
 
+  const toggleFavorite = async () => {
+    await requestFavoriteToggle(data.id, !!info?.isFavorite);
+    void getFileInfo(data.id, $masterKeyStore?.get(1)?.key!); // TODO: FIXME
+  };
+
   $effect(() => {
     HybridPromise.resolve(getFileInfo(data.id, $masterKeyStore?.get(1)?.key!)).then((result) => {
       if (data.id === result.id) {
@@ -144,18 +150,22 @@
   <div onclick={(e) => e.stopPropagation()}>
     <button
       onclick={() => (isMenuOpen = !isMenuOpen)}
-      class="w-[2.3rem] flex-shrink-0 rounded-full p-1 active:bg-black active:bg-opacity-[0.04]"
+      class="w-full rounded-full p-1 text-2xl active:bg-black active:bg-opacity-[0.04]"
     >
-      <IconMoreVert class="text-2xl" />
+      <IconMoreVert />
     </button>
     <TopBarMenu
       bind:isOpen={isMenuOpen}
-      directoryId={["category", "gallery"].includes(page.url.searchParams.get("from") ?? "")
+      directoryId={["category", "gallery", "search", "favorite"].includes(
+        page.url.searchParams.get("from") ?? "",
+      )
         ? info?.parentId
         : undefined}
       {fileBlob}
       downloadUrl={videoStreamUrl}
       filename={info?.name}
+      isFavorite={info?.isFavorite}
+      onToggleFavorite={toggleFavorite}
     />
   </div>
 </TopBar>

src/routes/(fullscreen)/file/[id]/TopBarMenu.svelte

@@ -5,6 +5,8 @@
   import { fly } from "svelte/transition";
   import { goto } from "$app/navigation";
 
+  import IconFavorite from "~icons/material-symbols/favorite";
+  import IconFavoriteOutline from "~icons/material-symbols/favorite-outline";
   import IconFolderOpen from "~icons/material-symbols/folder-open";
   import IconCloudDownload from "~icons/material-symbols/cloud-download";
 
@@ -13,10 +15,20 @@
     downloadUrl?: string;
     fileBlob?: Blob;
     filename?: string;
+    isFavorite?: boolean;
     isOpen: boolean;
+    onToggleFavorite?: () => void;
   }
 
-  let { directoryId, downloadUrl, fileBlob, filename, isOpen = $bindable() }: Props = $props();
+  let {
+    directoryId,
+    downloadUrl,
+    fileBlob,
+    filename,
+    isFavorite,
+    isOpen = $bindable(),
+    onToggleFavorite,
+  }: Props = $props();
 
   const handleDownload = () => {
     if (fileBlob && filename) {
@@ -34,7 +46,7 @@
 
 {#if isOpen && (directoryId || downloadUrl || fileBlob)}
   <div
-    class="absolute right-2 top-full z-20 space-y-1 rounded-lg bg-white px-1 py-2 shadow-2xl"
+    class="absolute right-2 top-full z-20 min-w-44 space-y-1 rounded-lg bg-white px-1 py-2 shadow-2xl"
     transition:fly={{ y: -8, duration: 200 }}
   >
     <p class="px-3 pt-2 text-sm font-semibold text-gray-600">더보기</p>
@@ -54,6 +66,13 @@
         </button>
       {/snippet}
 
+      {#if isFavorite !== undefined}
+        {@render menuButton(
+          isFavorite ? IconFavorite : IconFavoriteOutline,
+          isFavorite ? "즐겨찾기 해제" : "즐겨찾기",
+          onToggleFavorite ?? (() => {}),
+        )}
+      {/if}
       {#if directoryId}
         {@render menuButton(IconFolderOpen, "폴더에서 보기", () =>
           goto(

src/routes/(fullscreen)/file/[id]/service.ts

@@ -48,3 +48,17 @@ export const requestFileAdditionToCategory = async (fileId: number, categoryId:
     return false;
   }
 };
+
+export const requestFavoriteToggle = async (fileId: number, isFavorite: boolean) => {
+  try {
+    if (isFavorite) {
+      await trpc().favorites.removeFile.mutate({ id: fileId });
+    } else {
+      await trpc().favorites.addFile.mutate({ id: fileId });
+    }
+    return true;
+  } catch {
+    // TODO: Error Handling
+    return false;
+  }
+};

src/routes/(fullscreen)/file/uploads/+page.svelte

@@ -16,7 +16,7 @@
 <TopBar />
 <FullscreenDiv>
   <div class="space-y-2 pb-4">
-    {#each uploadingFiles as file}
+    {#each uploadingFiles as file (file.id)}
       <File state={file} />
     {/each}
   </div>

src/routes/(fullscreen)/gallery/+page.svelte

@@ -63,7 +63,7 @@
 <FullscreenDiv>
   <RowVirtualizer
     count={rows.length}
-    itemHeight={(index) =>
+    estimateItemHeight={(index) =>
       rows[index]!.type === "header" ? 28 : 181 + (rows[index]!.isLast ? 16 : 4)}
     class="flex flex-grow flex-col"
   >

src/routes/(fullscreen)/search/+page.svelte

@@ -0,0 +1,254 @@
+<script lang="ts">
+  import type { Snapshot } from "@sveltejs/kit";
+  import superjson, { type SuperJSONResult } from "superjson";
+  import { untrack } from "svelte";
+  import { slide } from "svelte/transition";
+  import { goto } from "$app/navigation";
+  import { Chip, FullscreenDiv, RowVirtualizer } from "$lib/components/atoms";
+  import {
+    getDirectoryInfo,
+    type LocalCategoryInfo,
+    type MaybeDirectoryInfo,
+  } from "$lib/modules/filesystem";
+  import { masterKeyStore } from "$lib/stores";
+  import { HybridPromise, searchString, sortEntries } from "$lib/utils";
+  import Directory from "./Directory.svelte";
+  import File from "./File.svelte";
+  import SearchBar from "./SearchBar.svelte";
+  import SelectCategoryBottomSheet from "./SelectCategoryBottomSheet.svelte";
+  import { requestSearch, type SearchFilter, type SearchResult } from "./service";
+
+  let { data } = $props();
+
+  interface SearchFilters {
+    name: string;
+    includeImages: boolean;
+    includeVideos: boolean;
+    includeDirectories: boolean;
+    searchInFavorites: boolean;
+    searchInDirectory: boolean;
+    categories: SearchFilter["categories"];
+  }
+
+  let directoryInfo: MaybeDirectoryInfo | undefined = $state();
+
+  let filters: SearchFilters = $state({
+    name: "",
+    includeImages: false,
+    includeVideos: false,
+    includeDirectories: false,
+    searchInDirectory: false,
+    searchInFavorites: false,
+    categories: [],
+  });
+  let hasCategoryFilter = $derived(filters.categories.length > 0);
+  let hasAnyFilter = $derived(
+    hasCategoryFilter ||
+      filters.includeImages ||
+      filters.includeVideos ||
+      filters.includeDirectories ||
+      filters.name.trim().length > 0,
+  );
+
+  let isRestoredFromSnapshot = $state(false);
+  let serverResult: SearchResult | undefined = $state();
+  let result = $derived.by(() => {
+    if (!serverResult) return [];
+
+    const nameFilter = filters.name.trim();
+    const hasTypeFilter =
+      filters.includeImages || filters.includeVideos || filters.includeDirectories;
+
+    const directories =
+      !hasTypeFilter || filters.includeDirectories
+        ? serverResult.directories.map((directory) => ({
+            type: "directory" as const,
+            ...directory,
+          }))
+        : [];
+    const files =
+      !hasTypeFilter || filters.includeImages || filters.includeVideos
+        ? serverResult.files
+            .filter(
+              ({ contentType }) =>
+                !hasTypeFilter ||
+                (filters.includeImages && contentType.startsWith("image/")) ||
+                (filters.includeVideos && contentType.startsWith("video/")),
+            )
+            .map((file) => ({
+              type: "file" as const,
+              ...file,
+            }))
+        : [];
+
+    return sortEntries(
+      [...directories, ...files].filter(
+        (entry) => !nameFilter || searchString(entry.name, nameFilter),
+      ),
+    );
+  });
+
+  let isSelectCategoryBottomSheetOpen = $state(false);
+  let categorySelectMode: "include" | "exclude" = $state("include");
+
+  const openSelectCategoryBottomSheet = (mode: "include" | "exclude") => {
+    categorySelectMode = mode;
+    isSelectCategoryBottomSheetOpen = true;
+  };
+
+  const addCategoryFilter = (category: LocalCategoryInfo) => {
+    if (!filters.categories.some(({ info }) => info.id === category.id)) {
+      filters.categories.push({
+        info: category,
+        type: categorySelectMode,
+      });
+      isSelectCategoryBottomSheetOpen = false;
+    }
+  };
+
+  export const snapshot: Snapshot<{
+    filters: SearchFilters;
+    serverResult: SuperJSONResult;
+  }> = {
+    capture() {
+      return { filters, serverResult: superjson.serialize(serverResult) };
+    },
+    restore(value) {
+      filters = value.filters;
+      serverResult = superjson.deserialize(value.serverResult, { inPlace: true });
+      isRestoredFromSnapshot = true;
+    },
+  };
+
+  $effect.pre(() => {
+    if (data.directoryId) {
+      HybridPromise.resolve(getDirectoryInfo(data.directoryId, $masterKeyStore?.get(1)?.key!)).then(
+        (res) => {
+          directoryInfo = res;
+          filters.searchInDirectory = res.exists;
+        },
+      );
+    } else {
+      directoryInfo = undefined;
+      filters.searchInDirectory = false;
+    }
+  });
+
+  $effect.pre(() => {
+    filters.searchInFavorites = data.fromFavorites;
+  });
+
+  $effect(() => {
+    // Svelte sucks
+    hasAnyFilter;
+    filters.searchInDirectory;
+    filters.searchInFavorites;
+    filters.categories.length;
+
+    if (untrack(() => isRestoredFromSnapshot)) {
+      isRestoredFromSnapshot = false;
+      return;
+    }
+
+    if (hasAnyFilter) {
+      requestSearch(
+        {
+          ancestorId: filters.searchInDirectory ? data.directoryId! : "root",
+          inFavorites: filters.searchInFavorites,
+          categories: filters.categories,
+        },
+        $masterKeyStore?.get(1)?.key!,
+      ).then((res) => {
+        serverResult = res;
+      });
+    }
+  });
+</script>
+
+<svelte:head>
+  <title>검색</title>
+</svelte:head>
+
+<SearchBar bind:value={filters.name} />
+<FullscreenDiv class="bg-gray-100 !px-0">
+  <div class="flex flex-grow flex-col space-y-4">
+    <div class="space-y-2 bg-white p-4 !pt-0">
+      <div class="space-y-3">
+        <div class="flex flex-wrap gap-2">
+          <Chip bind:selected={filters.includeImages}>사진</Chip>
+          <Chip bind:selected={filters.includeVideos}>동영상</Chip>
+          {#if !hasCategoryFilter}
+            <Chip bind:selected={filters.includeDirectories}>폴더</Chip>
+          {/if}
+          <Chip bind:selected={filters.searchInFavorites}>즐겨찾기</Chip>
+          {#if directoryInfo?.exists}
+            <Chip bind:selected={filters.searchInDirectory}>
+              위치: {directoryInfo.name}
+            </Chip>
+          {/if}
+        </div>
+        {#if !filters.includeDirectories}
+          <div class="space-y-2" transition:slide={{ duration: 300 }}>
+            <p class="text-sm font-medium text-gray-600">카테고리</p>
+            <div class="flex flex-wrap gap-2">
+              {#each filters.categories as { info, type }, i (info.id)}
+                <Chip
+                  selected
+                  removable
+                  onclick={() => {}}
+                  onRemoveClick={() => filters.categories.splice(i, 1)}
+                >
+                  {#if type === "include"}
+                    포함:
+                  {:else}
+                    제외:
+                  {/if}
+                  {info.name}
+                </Chip>
+              {/each}
+              <Chip onclick={() => openSelectCategoryBottomSheet("include")}>+ 포함</Chip>
+              <Chip onclick={() => openSelectCategoryBottomSheet("exclude")}>- 제외</Chip>
+            </div>
+          </div>
+        {/if}
+      </div>
+    </div>
+    {#if hasAnyFilter}
+      <div class="flex flex-grow flex-col space-y-2 bg-white p-4">
+        <p class="text-lg font-bold text-gray-800">
+          검색 결과
+          {#if result.length > 0}
+            {" "}({result.length}개)
+          {/if}
+        </p>
+        {#if result.length > 0}
+          <RowVirtualizer
+            count={result.length}
+            getItemKey={(index) => `${result[index]!.type}-${result[index]!.id}`}
+            estimateItemHeight={() => 56}
+            itemGap={4}
+          >
+            {#snippet item(index)}
+              {@const info = result[index]!}
+              {#if info.type === "directory"}
+                <Directory {info} onclick={() => goto(`/directory/${info.id}?from=search`)} />
+              {:else}
+                <File {info} onclick={() => goto(`/file/${info.id}?from=search`)} />
+              {/if}
+            {/snippet}
+          </RowVirtualizer>
+        {:else}
+          <div class="flex flex-grow items-center justify-center py-8">
+            <p class="text-gray-500">검색 결과가 없어요.</p>
+          </div>
+        {/if}
+      </div>
+    {/if}
+  </div>
+</FullscreenDiv>
+
+<SelectCategoryBottomSheet
+  bind:isOpen={isSelectCategoryBottomSheetOpen}
+  mode={categorySelectMode}
+  onSelectCategoryClick={addCategoryFilter}
+/>

src/routes/(fullscreen)/search/+page.ts

@@ -0,0 +1,21 @@
+import { error } from "@sveltejs/kit";
+import { z } from "zod";
+import type { PageLoad } from "./$types";
+
+export const load: PageLoad = ({ url }) => {
+  const directoryId = url.searchParams.get("directoryId");
+  const from = url.searchParams.get("from");
+
+  const zodRes = z
+    .object({
+      directoryId: z.coerce.number().int().positive().nullable(),
+      from: z.enum(["favorites"]).nullable(),
+    })
+    .safeParse({ directoryId, from });
+  if (!zodRes.success) error(400, "Invalid query parameters");
+
+  return {
+    directoryId: zodRes.data.directoryId,
+    fromFavorites: zodRes.data.from === "favorites",
+  };
+};

src/routes/(fullscreen)/search/Directory.svelte

@@ -0,0 +1,16 @@
+<script lang="ts">
+  import { ActionEntryButton } from "$lib/components/atoms";
+  import { DirectoryEntryLabel } from "$lib/components/molecules";
+  import type { SubDirectoryInfo } from "$lib/modules/filesystem";
+
+  interface Props {
+    info: SubDirectoryInfo;
+    onclick: () => void;
+  }
+
+  let { info, onclick }: Props = $props();
+</script>
+
+<ActionEntryButton class="h-14" {onclick}>
+  <DirectoryEntryLabel type="directory" name={info.name} isFavorite={info.isFavorite} />
+</ActionEntryButton>

src/routes/(fullscreen)/search/File.svelte

@@ -0,0 +1,26 @@
+<script lang="ts">
+  import { ActionEntryButton } from "$lib/components/atoms";
+  import { DirectoryEntryLabel } from "$lib/components/molecules";
+  import { getFileThumbnail } from "$lib/modules/file";
+  import type { SummarizedFileInfo } from "$lib/modules/filesystem";
+  import { formatDateTime } from "$lib/utils";
+
+  interface Props {
+    info: SummarizedFileInfo;
+    onclick: () => void;
+  }
+
+  let { info, onclick }: Props = $props();
+
+  let thumbnail = $derived(getFileThumbnail(info));
+</script>
+
+<ActionEntryButton class="h-14" {onclick}>
+  <DirectoryEntryLabel
+    type="file"
+    thumbnail={$thumbnail}
+    name={info.name}
+    subtext={formatDateTime(info.createdAt ?? info.lastModifiedAt)}
+    isFavorite={info.isFavorite}
+  />
+</ActionEntryButton>

src/routes/(fullscreen)/search/SearchBar.svelte

@@ -0,0 +1,24 @@
+<script lang="ts">
+  import IconArrowBack from "~icons/material-symbols/arrow-back";
+
+  interface Props {
+    value: string;
+  }
+
+  let { value = $bindable() }: Props = $props();
+</script>
+
+<div class={"sticky top-0 z-10 flex items-center gap-x-2 px-2 py-3 backdrop-blur-2xl"}>
+  <button
+    onclick={() => history.back()}
+    class="w-[2.3rem] flex-shrink-0 rounded-full p-1 active:bg-black active:bg-opacity-[0.04]"
+  >
+    <IconArrowBack class="text-2xl" />
+  </button>
+  <input
+    bind:value
+    type="text"
+    placeholder="검색"
+    class="mr-1 h-[2.3rem] min-w-0 flex-grow rounded-lg bg-gray-100 px-3 py-1.5 placeholder-gray-600 focus:outline-none"
+  />
+</div>

src/routes/(fullscreen)/search/SelectCategoryBottomSheet.svelte

@@ -0,0 +1,54 @@
+<script lang="ts">
+  import { BottomDiv, BottomSheet, Button, FullscreenDiv } from "$lib/components/atoms";
+  import { SubCategories } from "$lib/components/molecules";
+  import {
+    getCategoryInfo,
+    type LocalCategoryInfo,
+    type MaybeCategoryInfo,
+  } from "$lib/modules/filesystem";
+  import { masterKeyStore } from "$lib/stores";
+  import { HybridPromise } from "$lib/utils";
+
+  interface Props {
+    isOpen: boolean;
+    mode: "include" | "exclude";
+    onSelectCategoryClick: (category: LocalCategoryInfo) => void;
+  }
+
+  let { isOpen = $bindable(), mode, onSelectCategoryClick }: Props = $props();
+
+  let categoryInfo: MaybeCategoryInfo | undefined = $state();
+
+  $effect(() => {
+    if (isOpen) {
+      HybridPromise.resolve(getCategoryInfo("root", $masterKeyStore?.get(1)?.key!)).then(
+        (result) => (categoryInfo = result),
+      );
+    }
+  });
+</script>
+
+{#if categoryInfo?.exists}
+  <BottomSheet bind:isOpen class="flex flex-col">
+    <FullscreenDiv>
+      <SubCategories
+        class="py-4"
+        info={categoryInfo}
+        onSubCategoryClick={({ id }) =>
+          HybridPromise.resolve(getCategoryInfo(id, $masterKeyStore?.get(1)?.key!)).then(
+            (result) => (categoryInfo = result),
+          )}
+      />
+      {#if categoryInfo.id !== "root"}
+        <BottomDiv>
+          <Button
+            onclick={() => onSelectCategoryClick(categoryInfo as LocalCategoryInfo)}
+            class="w-full"
+          >
+            {categoryInfo.name} 카테고리 {mode === "include" ? "꼭 포함하기" : "제외하기"}
+          </Button>
+        </BottomDiv>
+      {/if}
+    </FullscreenDiv>
+  </BottomSheet>
+{/if}

src/routes/(fullscreen)/search/service.ts

@@ -0,0 +1,44 @@
+import {
+  getDirectoryInfo,
+  getFileInfo,
+  type LocalDirectoryInfo,
+  type FileInfo,
+  type LocalCategoryInfo,
+} from "$lib/modules/filesystem";
+import { HybridPromise } from "$lib/utils";
+import { trpc } from "$trpc/client";
+
+export interface SearchFilter {
+  ancestorId: DirectoryId;
+  inFavorites: boolean;
+  categories: { info: LocalCategoryInfo; type: "include" | "exclude" }[];
+}
+
+export interface SearchResult {
+  directories: LocalDirectoryInfo[];
+  files: FileInfo[];
+}
+
+export const requestSearch = async (filter: SearchFilter, masterKey: CryptoKey) => {
+  const { directories: directoriesRaw, files: filesRaw } = await trpc().search.search.query({
+    ancestor: filter.ancestorId,
+    inFavorites: filter.inFavorites,
+    includeCategories: filter.categories
+      .filter(({ type }) => type === "include")
+      .map(({ info }) => info.id),
+    excludeCategories: filter.categories
+      .filter(({ type }) => type === "exclude")
+      .map(({ info }) => info.id),
+  });
+  const [directories, files] = await HybridPromise.all([
+    HybridPromise.all(
+      directoriesRaw.map((directory) =>
+        getDirectoryInfo(directory.id, masterKey, { serverResponse: directory }),
+      ),
+    ),
+    HybridPromise.all(
+      filesRaw.map((file) => getFileInfo(file.id, masterKey, { serverResponse: file })),
+    ),
+  ]);
+  return { directories, files } as SearchResult;
+};

src/routes/(fullscreen)/settings/migration/+page.svelte

@@ -3,11 +3,16 @@
   import { goto } from "$app/navigation";
   import { BottomDiv, Button, FullscreenDiv } from "$lib/components/atoms";
   import { TopBar } from "$lib/components/molecules";
-  import { bulkGetFileInfo, type MaybeFileInfo } from "$lib/modules/filesystem";
+  import type { MaybeFileInfo } from "$lib/modules/filesystem";
   import { masterKeyStore } from "$lib/stores";
   import { sortEntries } from "$lib/utils";
   import File from "./File.svelte";
-  import { getMigrationState, clearMigrationStates, requestFileMigration } from "./service.svelte";
+  import {
+    getMigrationState,
+    clearMigrationStates,
+    requestLegacyFiles,
+    requestFileMigration,
+  } from "./service.svelte";
 
   let { data } = $props();
 
@@ -30,9 +35,7 @@
   };
 
   onMount(async () => {
-    fileInfos = sortEntries(
-      Array.from((await bulkGetFileInfo(data.files, $masterKeyStore?.get(1)?.key!)).values()),
-    );
+    fileInfos = sortEntries(await requestLegacyFiles(data.files, $masterKeyStore?.get(1)?.key!));
   });
 
   $effect(() => clearMigrationStates);

src/routes/(fullscreen)/settings/migration/service.svelte.ts

@@ -1,11 +1,12 @@
 import { limitFunction } from "p-limit";
 import { SvelteMap } from "svelte/reactivity";
 import { CHUNK_SIZE } from "$lib/constants";
-import type { FileInfo } from "$lib/modules/filesystem";
+import { getFileInfo, type FileInfo } from "$lib/modules/filesystem";
 import { uploadBlob } from "$lib/modules/upload";
 import { requestFileDownload } from "$lib/services/file";
-import { Scheduler } from "$lib/utils";
+import { HybridPromise, Scheduler } from "$lib/utils";
 import { trpc } from "$trpc/client";
+import type { RouterOutputs } from "$trpc/router.server";
 
 export type MigrationStatus =
   | "queued"
@@ -24,6 +25,16 @@ export interface MigrationState {
 const scheduler = new Scheduler();
 const states = new SvelteMap<number, MigrationState>();
 
+export const requestLegacyFiles = async (
+  filesRaw: RouterOutputs["file"]["listLegacy"],
+  masterKey: CryptoKey,
+) => {
+  const files = await HybridPromise.all(
+    filesRaw.map((file) => getFileInfo(file.id, masterKey, { serverResponse: file })),
+  );
+  return files;
+};
+
 const createState = (status: MigrationStatus): MigrationState => {
   const state = $state({ status });
   return state;

src/routes/(fullscreen)/settings/thumbnail/+page.svelte

@@ -4,13 +4,14 @@
   import { BottomDiv, Button, FullscreenDiv } from "$lib/components/atoms";
   import { IconEntryButton, TopBar } from "$lib/components/molecules";
   import { deleteAllFileThumbnailCaches } from "$lib/modules/file";
-  import { bulkGetFileInfo, type MaybeFileInfo } from "$lib/modules/filesystem";
+  import type { MaybeFileInfo } from "$lib/modules/filesystem";
   import { masterKeyStore } from "$lib/stores";
   import { sortEntries } from "$lib/utils";
   import File from "./File.svelte";
   import {
     getThumbnailGenerationStatus,
     clearThumbnailGenerationStatuses,
+    requestMissingThumbnailFiles,
     requestThumbnailGeneration,
     type GenerationStatus,
   } from "./service";
@@ -42,7 +43,7 @@
 
   onMount(async () => {
     fileInfos = sortEntries(
-      Array.from((await bulkGetFileInfo(data.files, $masterKeyStore?.get(1)?.key!)).values()),
+      await requestMissingThumbnailFiles(data.files, $masterKeyStore?.get(1)?.key!),
     );
   });
 

src/routes/(fullscreen)/settings/thumbnail/service.ts

@@ -1,10 +1,11 @@
 import { limitFunction } from "p-limit";
 import { SvelteMap } from "svelte/reactivity";
 import { storeFileThumbnailCache } from "$lib/modules/file";
-import type { FileInfo } from "$lib/modules/filesystem";
+import { getFileInfo, type FileInfo } from "$lib/modules/filesystem";
 import { generateThumbnail } from "$lib/modules/thumbnail";
 import { requestFileDownload, requestFileThumbnailUpload } from "$lib/services/file";
-import { Scheduler } from "$lib/utils";
+import { HybridPromise, Scheduler } from "$lib/utils";
+import type { RouterOutputs } from "$trpc/router.server";
 
 export type GenerationStatus =
   | "queued"
@@ -29,6 +30,16 @@ export const clearThumbnailGenerationStatuses = () => {
   }
 };
 
+export const requestMissingThumbnailFiles = async (
+  filesRaw: RouterOutputs["file"]["listWithoutThumbnail"],
+  masterKey: CryptoKey,
+) => {
+  const files = await HybridPromise.all(
+    filesRaw.map((file) => getFileInfo(file.id, masterKey, { serverResponse: file })),
+  );
+  return files;
+};
+
 const requestThumbnailUpload = limitFunction(
   async (fileInfo: FileInfo, fileBuffer: ArrayBuffer) => {
     statuses.set(fileInfo.id, "generating");

src/routes/(main)/BottomBar.svelte

@@ -12,7 +12,7 @@
   const pages = [
     { path: "/home", label: "홈", icon: IconHome },
     { path: "/directory", label: "파일", icon: IconFolder },
-    { path: "/favorite", label: "즐겨찾기", icon: IconFavorite },
+    { path: "/favorites", label: "즐겨찾기", icon: IconFavorite },
     { path: "/category", label: "카테고리", icon: IconCategory },
     { path: "/menu", label: "전체", icon: IconMenu },
   ];

src/routes/(main)/category/[[id]]/+page.svelte

@@ -76,7 +76,7 @@
 <div class="min-h-full bg-gray-100 pb-[5.5em]">
   {#if info?.exists}
     <div class="space-y-4">
-      <div class="space-y-4 bg-white p-4">
+      <div class="space-y-2 bg-white p-4">
         {#if info.id !== "root"}
           <p class="text-lg font-bold text-gray-800">하위 카테고리</p>
         {/if}
@@ -84,6 +84,7 @@
           {info}
           onSubCategoryClick={({ id }) => goto(`/category/${id}`)}
           onSubCategoryCreateClick={() => (isCategoryCreateModalOpen = true)}
+          subCategoryCreatePosition="bottom"
           onSubCategoryMenuClick={(subCategory) => {
             context.selectedCategory = subCategory;
             isCategoryMenuBottomSheetOpen = true;
@@ -92,14 +93,19 @@
         />
       </div>
       {#if info.id !== "root"}
-        <div class="space-y-4 bg-white p-4">
+        <div class="space-y-2 bg-white p-4">
           <div class="flex items-center justify-between">
             <p class="text-lg font-bold text-gray-800">파일</p>
             <CheckBox bind:checked={info.isFileRecursive}>
               <p class="font-medium">하위 카테고리의 파일</p>
             </CheckBox>
           </div>
-          <RowVirtualizer count={files.length} itemHeight={() => 48} itemGap={4}>
+          <RowVirtualizer
+            count={files.length}
+            getItemKey={(index) => files[index]!.details.id}
+            estimateItemHeight={() => 48}
+            itemGap={4}
+          >
             {#snippet item(index)}
               {@const { details } = files[index]!}
               <File

src/routes/(main)/category/[[id]]/File.svelte

@@ -3,6 +3,7 @@
   import { DirectoryEntryLabel } from "$lib/components/molecules";
   import { getFileThumbnail } from "$lib/modules/file";
   import type { CategoryFileInfo } from "$lib/modules/filesystem";
+  import { formatDateTime } from "$lib/utils";
   import type { SelectedFile } from "./service.svelte";
 
   import IconClose from "~icons/material-symbols/close";
@@ -19,10 +20,16 @@
 </script>
 
 <ActionEntryButton
-  class="h-12"
+  class="h-14"
   onclick={() => onclick(info)}
   actionButtonIcon={onRemoveClick && IconClose}
   onActionButtonClick={() => onRemoveClick?.(info)}
 >
-  <DirectoryEntryLabel type="file" thumbnail={$thumbnail} name={info.name} />
+  <DirectoryEntryLabel
+    type="file"
+    thumbnail={$thumbnail}
+    name={info.name}
+    subtext={formatDateTime(info.createdAt ?? info.lastModifiedAt)}
+    isFavorite={info.isFavorite}
+  />
 </ActionEntryButton>

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

@@ -23,8 +23,10 @@
     requestFileUpload,
     requestEntryRename,
     requestEntryDeletion,
+    requestFavoriteToggle,
   } from "./service.svelte";
 
+  import IconSearch from "~icons/material-symbols/search";
   import IconAdd from "~icons/material-symbols/add";
 
   let { data } = $props();
@@ -43,8 +45,19 @@
   let isEntryRenameModalOpen = $state(false);
   let isEntryDeleteModalOpen = $state(false);
 
-  let isFromFilePage = $derived(page.url.searchParams.get("from") === "file");
-  let showTopBar = $derived(data.id !== "root" || isFromFilePage);
+  let showParentEntry = $derived(
+    ["file", "search", "favorite"].includes(page.url.searchParams.get("from") ?? ""),
+  );
+  let showBackButton = $derived(data.id !== "root" || showParentEntry);
+
+  const onSearchClick = async () => {
+    const params = new URLSearchParams();
+    if (data.id !== "root") {
+      params.set("directoryId", data.id.toString());
+    }
+    const query = params.toString();
+    await goto(`/search${query ? `?${query}` : ""}`);
+  };
 
   const uploadFile = () => {
     const files = fileInput?.files;
@@ -90,17 +103,22 @@
 </script>
 
 <svelte:head>
-  <title>파일</title>
+  <title>내 파일</title>
 </svelte:head>
 
 <input bind:this={fileInput} onchange={uploadFile} type="file" multiple class="hidden" />
 
 <div class="flex h-full flex-col">
-  {#if showTopBar}
-    <TopBar title={info?.name} class="flex-shrink-0" />
-  {/if}
+  <TopBar title={info?.name ?? "내 파일"} {showBackButton} class="flex-shrink-0">
+    <button
+      onclick={onSearchClick}
+      class="w-[2.3rem] flex-shrink-0 rounded-full p-1 active:bg-black active:bg-opacity-[0.04]"
+    >
+      <IconSearch class="text-2xl" />
+    </button>
+  </TopBar>
   {#if info?.exists}
-    <div class={["flex flex-grow flex-col px-4 pb-4", !showTopBar && "pt-4"]}>
+    <div class="flex flex-grow flex-col px-4 pb-4">
       <div class="flex gap-x-2">
         <UploadStatusCard onclick={() => goto("/file/uploads")} />
         <DownloadStatusCard onclick={() => goto("/file/downloads")} />
@@ -113,12 +131,12 @@
             context.selectedEntry = entry;
             isEntryMenuBottomSheetOpen = true;
           }}
-          showParentEntry={isFromFilePage && info.parentId !== undefined}
+          showParentEntry={showParentEntry && data.id !== "root"}
           onParentClick={() =>
             goto(
               info!.parentId === "root"
-                ? "/directory?from=file"
-                : `/directory/${info!.parentId}?from=file`,
+                ? `/directory?from=${page.url.searchParams.get("from")}`
+                : `/directory/${info!.parentId}?from=${page.url.searchParams.get("from")}`,
             )}
         />
       {/key}
@@ -177,6 +195,12 @@
     isEntryMenuBottomSheetOpen = false;
     isEntryDeleteModalOpen = true;
   }}
+  onFavoriteClick={async () => {
+    if (await requestFavoriteToggle(context.selectedEntry!)) {
+      isEntryMenuBottomSheetOpen = false;
+      void getDirectoryInfo(data.id, $masterKeyStore?.get(1)?.key!); // TODO: FIXME
+    }
+  }}
 />
 <EntryRenameModal
   bind:isOpen={isEntryRenameModalOpen}

src/routes/(main)/directory/[[id]]/DirectoryEntries/DirectoryEntries.svelte

@@ -46,7 +46,16 @@
 </script>
 
 {#if entries.length > 0}
-  <RowVirtualizer count={entries.length} itemHeight={() => 56} itemGap={4} class="pb-[4.5rem]">
+  <RowVirtualizer
+    count={entries.length}
+    getItemKey={(index) =>
+      entries[index]!.type !== "parent"
+        ? `${entries[index]!.type}-${entries[index]!.details.id}`
+        : entries[index]!.type!}
+    estimateItemHeight={() => 56}
+    itemGap={4}
+    class="pb-[4.5rem]"
+  >
     {#snippet item(index)}
       {@const entry = entries[index]!}
       {#if entry.type === "parent"}

src/routes/(main)/directory/[[id]]/DirectoryEntries/File.svelte

@@ -19,7 +19,13 @@
   let thumbnail = $derived(getFileThumbnail(info));
 
   const action = (callback: typeof onclick) => {
-    callback({ type: "file", id: info.id, dataKey: info.dataKey, name: info.name });
+    callback({
+      type: "file",
+      id: info.id,
+      dataKey: info.dataKey,
+      name: info.name,
+      isFavorite: info.isFavorite,
+    });
   };
 </script>
 
@@ -34,5 +40,6 @@
     thumbnail={$thumbnail}
     name={info.name}
     subtext={formatDateTime(info.createdAt ?? info.lastModifiedAt)}
+    isFavorite={info.isFavorite}
   />
 </ActionEntryButton>

src/routes/(main)/directory/[[id]]/DirectoryEntries/SubDirectory.svelte

@@ -15,7 +15,13 @@
   let { info, onclick, onOpenMenuClick }: Props = $props();
 
   const action = (callback: typeof onclick) => {
-    callback({ type: "directory", id: info.id, dataKey: info.dataKey, name: info.name });
+    callback({
+      type: "directory",
+      id: info.id,
+      dataKey: info.dataKey,
+      name: info.name,
+      isFavorite: info.isFavorite,
+    });
   };
 </script>
 
@@ -25,5 +31,5 @@
   actionButtonIcon={IconMoreVert}
   onActionButtonClick={() => action(onOpenMenuClick)}
 >
-  <DirectoryEntryLabel type="directory" name={info.name} />
+  <DirectoryEntryLabel type="directory" name={info.name} isFavorite={info.isFavorite} />
 </ActionEntryButton>

src/routes/(main)/directory/[[id]]/EntryMenuBottomSheet.svelte

@@ -3,24 +3,35 @@
   import { DirectoryEntryLabel, IconEntryButton } from "$lib/components/molecules";
   import { useContext } from "./service.svelte";
 
+  import IconFavorite from "~icons/material-symbols/favorite";
+  import IconFavoriteBorder from "~icons/material-symbols/favorite-outline";
   import IconEdit from "~icons/material-symbols/edit";
   import IconDelete from "~icons/material-symbols/delete";
 
   interface Props {
     isOpen: boolean;
     onDeleteClick: () => void;
+    onFavoriteClick: () => void;
     onRenameClick: () => void;
   }
 
-  let { isOpen = $bindable(), onDeleteClick, onRenameClick }: Props = $props();
+  let { isOpen = $bindable(), onDeleteClick, onFavoriteClick, onRenameClick }: Props = $props();
   let context = useContext();
 </script>
 
 {#if context.selectedEntry}
-  {@const { name, type } = context.selectedEntry}
+  {@const { name, type, isFavorite } = context.selectedEntry}
   <BottomSheet bind:isOpen class="p-4">
     <DirectoryEntryLabel {type} {name} class="h-12 p-2" textClass="!font-semibold" />
     <div class="my-2 h-px w-full bg-gray-200"></div>
+    <IconEntryButton
+      icon={isFavorite ? IconFavorite : IconFavoriteBorder}
+      onclick={onFavoriteClick}
+      class="h-12 w-full"
+      iconClass={isFavorite ? "text-red-500" : ""}
+    >
+      {isFavorite ? "즐겨찾기에서 해제하기" : "즐겨찾기에 추가하기"}
+    </IconEntryButton>
     <IconEntryButton icon={IconEdit} onclick={onRenameClick} class="h-12 w-full">
       이름 바꾸기
     </IconEntryButton>

src/routes/(main)/directory/[[id]]/service.svelte.ts

@@ -17,6 +17,7 @@ export interface SelectedEntry {
   id: number;
   dataKey: DataKey | undefined;
   name: string;
+  isFavorite: boolean;
 }
 
 export const createContext = () => {
@@ -149,3 +150,25 @@ export const requestEntryDeletion = async (entry: SelectedEntry) => {
     return false;
   }
 };
+
+export const requestFavoriteToggle = async (entry: SelectedEntry) => {
+  try {
+    if (entry.type === "directory") {
+      if (entry.isFavorite) {
+        await trpc().favorites.removeDirectory.mutate({ id: entry.id });
+      } else {
+        await trpc().favorites.addDirectory.mutate({ id: entry.id });
+      }
+    } else {
+      if (entry.isFavorite) {
+        await trpc().favorites.removeFile.mutate({ id: entry.id });
+      } else {
+        await trpc().favorites.addFile.mutate({ id: entry.id });
+      }
+    }
+    return true;
+  } catch {
+    // TODO: Error Handling
+    return false;
+  }
+};

src/routes/(main)/favorite/+page.svelte

@@ -1,3 +0,0 @@
-<div class="flex h-full items-center justify-center p-4">
-  <p class="text-gray-500">아직 개발 중이에요.</p>
-</div>

src/routes/(main)/favorites/+page.server.ts

@@ -0,0 +1,7 @@
+import { createCaller } from "$trpc/router.server";
+import type { PageServerLoad } from "./$types";
+
+export const load: PageServerLoad = async (event) => {
+  const favorites = await createCaller(event).favorites.get();
+  return { favorites };
+};

src/routes/(main)/favorites/+page.svelte

@@ -0,0 +1,93 @@
+<script lang="ts">
+  import { onMount } from "svelte";
+  import { goto } from "$app/navigation";
+  import { RowVirtualizer } from "$lib/components/atoms";
+  import { TopBar } from "$lib/components/molecules";
+  import { masterKeyStore } from "$lib/stores";
+  import Directory from "./Directory.svelte";
+  import File from "./File.svelte";
+  import { requestFavoriteEntries, requestRemoveFavorite, type FavoriteEntry } from "./service";
+
+  import IconSearch from "~icons/material-symbols/search";
+
+  let { data } = $props();
+
+  let entries: FavoriteEntry[] = $state([]);
+  let isLoading = $state(true);
+
+  onMount(async () => {
+    const masterKey = $masterKeyStore?.get(1)?.key;
+    if (masterKey) {
+      entries = await requestFavoriteEntries(data.favorites, masterKey);
+    }
+    isLoading = false;
+  });
+
+  const handleRemove = async (entry: FavoriteEntry) => {
+    if (await requestRemoveFavorite(entry.type, entry.details.id)) {
+      entries = entries.filter(
+        (e) => !(e.type === entry.type && e.details.id === entry.details.id),
+      );
+    }
+  };
+
+  const handleClick = (entry: FavoriteEntry) => {
+    goto(
+      entry.type === "file"
+        ? `/file/${entry.details.id}?from=favorite`
+        : `/directory/${entry.details.id}?from=favorite`,
+    );
+  };
+</script>
+
+<svelte:head>
+  <title>즐겨찾기</title>
+</svelte:head>
+
+<div class="flex h-full flex-col">
+  <TopBar title="즐겨찾기" showBackButton={false}>
+    <button
+      onclick={() => goto("/search?from=favorites")}
+      class="w-full rounded-full p-1 text-2xl active:bg-black active:bg-opacity-[0.04]"
+    >
+      <IconSearch />
+    </button>
+  </TopBar>
+  <div class="flex flex-grow flex-col px-4 pb-4">
+    {#if entries.length > 0}
+      <RowVirtualizer
+        count={entries.length}
+        getItemKey={(index) => `${entries[index]!.type}-${entries[index]!.details.id}`}
+        estimateItemHeight={() => 56}
+        itemGap={4}
+      >
+        {#snippet item(index)}
+          {@const entry = entries[index]!}
+          {#if entry.type === "directory"}
+            <Directory
+              info={entry.details}
+              onclick={() => handleClick(entry)}
+              onRemoveClick={() => handleRemove(entry)}
+            />
+          {:else}
+            <File
+              info={entry.details}
+              onclick={() => handleClick(entry)}
+              onRemoveClick={() => handleRemove(entry)}
+            />
+          {/if}
+        {/snippet}
+      </RowVirtualizer>
+    {:else}
+      <div class="flex flex-grow items-center justify-center">
+        <p class="text-gray-500">
+          {#if isLoading}
+            즐겨찾기 목록을 불러오고 있어요.
+          {:else}
+            즐겨찾기한 항목이 없어요.
+          {/if}
+        </p>
+      </div>
+    {/if}
+  </div>
+</div>

src/routes/(main)/favorites/Directory.svelte

@@ -0,0 +1,24 @@
+<script lang="ts">
+  import { ActionEntryButton } from "$lib/components/atoms";
+  import { DirectoryEntryLabel } from "$lib/components/molecules";
+  import type { SubDirectoryInfo } from "$lib/modules/filesystem";
+
+  import IconClose from "~icons/material-symbols/close";
+
+  interface Props {
+    info: SubDirectoryInfo;
+    onclick: () => void;
+    onRemoveClick: () => void;
+  }
+
+  let { info, onclick, onRemoveClick }: Props = $props();
+</script>
+
+<ActionEntryButton
+  class="h-14"
+  {onclick}
+  actionButtonIcon={IconClose}
+  onActionButtonClick={onRemoveClick}
+>
+  <DirectoryEntryLabel type="directory" name={info.name} isFavorite />
+</ActionEntryButton>

src/routes/(main)/favorites/File.svelte

@@ -0,0 +1,34 @@
+<script lang="ts">
+  import { ActionEntryButton } from "$lib/components/atoms";
+  import { DirectoryEntryLabel } from "$lib/components/molecules";
+  import { getFileThumbnail } from "$lib/modules/file";
+  import type { SummarizedFileInfo } from "$lib/modules/filesystem";
+  import { formatDateTime } from "$lib/utils";
+
+  import IconClose from "~icons/material-symbols/close";
+
+  interface Props {
+    info: SummarizedFileInfo;
+    onclick: () => void;
+    onRemoveClick: () => void;
+  }
+
+  let { info, onclick, onRemoveClick }: Props = $props();
+
+  let thumbnail = $derived(getFileThumbnail(info));
+</script>
+
+<ActionEntryButton
+  class="h-14"
+  {onclick}
+  actionButtonIcon={IconClose}
+  onActionButtonClick={onRemoveClick}
+>
+  <DirectoryEntryLabel
+    type="file"
+    thumbnail={$thumbnail}
+    name={info.name}
+    subtext={formatDateTime(info.createdAt ?? info.lastModifiedAt)}
+    isFavorite
+  />
+</ActionEntryButton>

src/routes/(main)/favorites/service.ts

@@ -0,0 +1,68 @@
+import {
+  getDirectoryInfo,
+  getFileInfo,
+  type SummarizedFileInfo,
+  type SubDirectoryInfo,
+  type LocalDirectoryInfo,
+} from "$lib/modules/filesystem";
+import { HybridPromise, sortEntries } from "$lib/utils";
+import { trpc } from "$trpc/client";
+import type { RouterOutputs } from "$trpc/router.server";
+
+export type FavoriteEntry =
+  | { type: "directory"; name: string; details: SubDirectoryInfo }
+  | { type: "file"; name: string; details: SummarizedFileInfo };
+
+export const requestFavoriteEntries = async (
+  favorites: RouterOutputs["favorites"]["get"],
+  masterKey: CryptoKey,
+) => {
+  const [directories, files] = await HybridPromise.all([
+    HybridPromise.all(
+      favorites.directories.map((directory) =>
+        getDirectoryInfo(directory.id, masterKey, {
+          serverResponse: { ...directory, isFavorite: true },
+        }),
+      ),
+    ),
+    HybridPromise.all(
+      favorites.files.map((file) =>
+        getFileInfo(file.id, masterKey, { serverResponse: { ...file, isFavorite: true } }),
+      ),
+    ),
+  ]);
+  return [
+    ...sortEntries(
+      directories.map(
+        (directory): FavoriteEntry => ({
+          type: "directory",
+          name: directory.name!,
+          details: directory as LocalDirectoryInfo,
+        }),
+      ),
+    ),
+    ...sortEntries(
+      files.map(
+        (file): FavoriteEntry => ({
+          type: "file",
+          name: file.name!,
+          details: file as SummarizedFileInfo,
+        }),
+      ),
+    ),
+  ];
+};
+
+export const requestRemoveFavorite = async (type: "file" | "directory", id: number) => {
+  try {
+    if (type === "directory") {
+      await trpc().favorites.removeDirectory.mutate({ id });
+    } else {
+      await trpc().favorites.removeFile.mutate({ id });
+    }
+    return true;
+  } catch {
+    // TODO: Error Handling
+    return false;
+  }
+};

src/service-worker/handlers/decryptFile.ts

@@ -62,9 +62,7 @@ const streamFromServer = async (
 ) => {
   const totalSize = getDecryptedSize(metadata.encContentSize, metadata.isLegacy);
   const start = range?.start ?? 0;
-  const end =
-    range?.end ??
-    (range && !metadata.isLegacy ? Math.min(start + CHUNK_SIZE, totalSize) : totalSize) - 1;
+  const end = range?.end ?? totalSize - 1;
   if (start > end || start < 0 || end >= totalSize) {
     return new Response("Invalid range", { status: 416 });
   }

src/trpc/router.server.ts

@@ -6,9 +6,11 @@ import {
   categoryRouter,
   clientRouter,
   directoryRouter,
+  favoritesRouter,
   fileRouter,
   hskRouter,
   mekRouter,
+  searchRouter,
   uploadRouter,
   userRouter,
 } from "./routers";
@@ -18,9 +20,11 @@ export const appRouter = router({
   category: categoryRouter,
   client: clientRouter,
   directory: directoryRouter,
+  favorites: favoritesRouter,
   file: fileRouter,
   hsk: hskRouter,
   mek: mekRouter,
+  search: searchRouter,
   upload: uploadRouter,
   user: userRouter,
 });

src/trpc/routers/category.ts

@@ -57,6 +57,7 @@ const categoryRouter = router({
           createdAtIv: file.encCreatedAt?.iv,
           lastModifiedAt: file.encLastModifiedAt.ciphertext,
           lastModifiedAtIv: file.encLastModifiedAt.iv,
+          isFavorite: file.isFavorite,
           isRecursive: file.isRecursive,
         })),
       };

src/trpc/routers/directory.ts

@@ -1,7 +1,7 @@
 import { TRPCError } from "@trpc/server";
 import { z } from "zod";
 import { DirectoryIdSchema } from "$lib/schemas";
-import { FileRepo, IntegrityError } from "$lib/server/db";
+import { DirectoryRepo, FileRepo, IntegrityError } from "$lib/server/db";
 import { safeUnlink } from "$lib/server/modules/filesystem";
 import { router, roleProcedure } from "../init.server";
 
@@ -14,13 +14,15 @@ const directoryRouter = router({
     )
     .query(async ({ ctx, input }) => {
       const directory =
-        input.id !== "root" ? await FileRepo.getDirectory(ctx.session.userId, input.id) : undefined;
+        input.id !== "root"
+          ? await DirectoryRepo.getDirectory(ctx.session.userId, input.id)
+          : undefined;
       if (directory === null) {
         throw new TRPCError({ code: "NOT_FOUND", message: "Invalid directory id" });
       }
 
       const [directories, files] = await Promise.all([
-        FileRepo.getAllDirectoriesByParent(ctx.session.userId, input.id),
+        DirectoryRepo.getAllDirectoriesByParent(ctx.session.userId, input.id),
         FileRepo.getAllFilesByParent(ctx.session.userId, input.id),
       ]);
       return {
@@ -31,6 +33,7 @@ const directoryRouter = router({
           dekVersion: directory.dekVersion,
           name: directory.encName.ciphertext,
           nameIv: directory.encName.iv,
+          isFavorite: directory.isFavorite,
         },
         subDirectories: directories.map((directory) => ({
           id: directory.id,
@@ -39,6 +42,7 @@ const directoryRouter = router({
           dekVersion: directory.dekVersion,
           name: directory.encName.ciphertext,
           nameIv: directory.encName.iv,
+          isFavorite: directory.isFavorite,
         })),
         files: files.map((file) => ({
           id: file.id,
@@ -52,6 +56,7 @@ const directoryRouter = router({
           createdAtIv: file.encCreatedAt?.iv,
           lastModifiedAt: file.encLastModifiedAt.ciphertext,
           lastModifiedAtIv: file.encLastModifiedAt.iv,
+          isFavorite: file.isFavorite,
         })),
       };
     }),
@@ -75,7 +80,7 @@ const directoryRouter = router({
       }
 
       try {
-        await FileRepo.registerDirectory({
+        await DirectoryRepo.registerDirectory({
           parentId: input.parent,
           userId: ctx.session.userId,
           mekVersion: input.mekVersion,
@@ -102,7 +107,7 @@ const directoryRouter = router({
     )
     .mutation(async ({ ctx, input }) => {
       try {
-        await FileRepo.setDirectoryEncName(ctx.session.userId, input.id, input.dekVersion, {
+        await DirectoryRepo.setDirectoryEncName(ctx.session.userId, input.id, input.dekVersion, {
           ciphertext: input.name,
           iv: input.nameIv,
         });
@@ -126,7 +131,7 @@ const directoryRouter = router({
     )
     .mutation(async ({ ctx, input }) => {
       try {
-        const files = await FileRepo.unregisterDirectory(ctx.session.userId, input.id);
+        const files = await DirectoryRepo.unregisterDirectory(ctx.session.userId, input.id);
         return {
           deletedFiles: files.map((file) => {
             safeUnlink(file.path); // Intended

src/trpc/routers/favorites.ts

@@ -0,0 +1,124 @@
+import { TRPCError } from "@trpc/server";
+import { z } from "zod";
+import { DirectoryRepo, FileRepo, IntegrityError } from "$lib/server/db";
+import { router, roleProcedure } from "../init.server";
+
+const favoritesRouter = router({
+  get: roleProcedure["activeClient"].query(async ({ ctx }) => {
+    const [directories, files] = await Promise.all([
+      DirectoryRepo.getAllFavoriteDirectories(ctx.session.userId),
+      FileRepo.getAllFavoriteFiles(ctx.session.userId),
+    ]);
+    return {
+      directories: directories.map((directory) => ({
+        id: directory.id,
+        parent: directory.parentId,
+        mekVersion: directory.mekVersion,
+        dek: directory.encDek,
+        dekVersion: directory.dekVersion,
+        name: directory.encName.ciphertext,
+        nameIv: directory.encName.iv,
+      })),
+      files: files.map((file) => ({
+        id: file.id,
+        parent: file.parentId,
+        mekVersion: file.mekVersion,
+        dek: file.encDek,
+        dekVersion: file.dekVersion,
+        contentType: file.contentType,
+        name: file.encName.ciphertext,
+        nameIv: file.encName.iv,
+        createdAt: file.encCreatedAt?.ciphertext,
+        createdAtIv: file.encCreatedAt?.iv,
+        lastModifiedAt: file.encLastModifiedAt.ciphertext,
+        lastModifiedAtIv: file.encLastModifiedAt.iv,
+      })),
+    };
+  }),
+
+  addDirectory: roleProcedure["activeClient"]
+    .input(
+      z.object({
+        id: z.int().positive(),
+      }),
+    )
+    .mutation(async ({ ctx, input }) => {
+      try {
+        await DirectoryRepo.setDirectoryFavorite(ctx.session.userId, input.id, true);
+      } catch (e) {
+        if (e instanceof IntegrityError) {
+          if (e.message === "Directory not found") {
+            throw new TRPCError({ code: "NOT_FOUND", message: "Invalid directory id" });
+          } else if (e.message === "Directory already favorited") {
+            throw new TRPCError({ code: "BAD_REQUEST", message: e.message });
+          }
+        }
+        throw e;
+      }
+    }),
+
+  removeDirectory: roleProcedure["activeClient"]
+    .input(
+      z.object({
+        id: z.int().positive(),
+      }),
+    )
+    .mutation(async ({ ctx, input }) => {
+      try {
+        await DirectoryRepo.setDirectoryFavorite(ctx.session.userId, input.id, false);
+      } catch (e) {
+        if (e instanceof IntegrityError) {
+          if (e.message === "Directory not found") {
+            throw new TRPCError({ code: "NOT_FOUND", message: "Invalid directory id" });
+          } else if (e.message === "Directory not favorited") {
+            throw new TRPCError({ code: "BAD_REQUEST", message: e.message });
+          }
+        }
+        throw e;
+      }
+    }),
+
+  addFile: roleProcedure["activeClient"]
+    .input(
+      z.object({
+        id: z.int().positive(),
+      }),
+    )
+    .mutation(async ({ ctx, input }) => {
+      try {
+        await FileRepo.setFileFavorite(ctx.session.userId, input.id, true);
+      } catch (e) {
+        if (e instanceof IntegrityError) {
+          if (e.message === "File not found") {
+            throw new TRPCError({ code: "NOT_FOUND", message: "Invalid file id" });
+          } else if (e.message === "File already favorited") {
+            throw new TRPCError({ code: "BAD_REQUEST", message: e.message });
+          }
+        }
+        throw e;
+      }
+    }),
+
+  removeFile: roleProcedure["activeClient"]
+    .input(
+      z.object({
+        id: z.int().positive(),
+      }),
+    )
+    .mutation(async ({ ctx, input }) => {
+      try {
+        await FileRepo.setFileFavorite(ctx.session.userId, input.id, false);
+      } catch (e) {
+        if (e instanceof IntegrityError) {
+          if (e.message === "File not found") {
+            throw new TRPCError({ code: "NOT_FOUND", message: "Invalid file id" });
+          } else if (e.message === "File not favorited") {
+            throw new TRPCError({ code: "BAD_REQUEST", message: e.message });
+          }
+        }
+        throw e;
+      }
+    }),
+});
+
+export default favoritesRouter;

src/trpc/routers/file.ts

@@ -31,6 +31,7 @@ const fileRouter = router({
         createdAtIv: file.encCreatedAt?.iv,
         lastModifiedAt: file.encLastModifiedAt.ciphertext,
         lastModifiedAtIv: file.encLastModifiedAt.iv,
+        isFavorite: file.isFavorite,
         categories: categories.map((category) => ({
           id: category.id,
           parent: category.parentId,
@@ -65,6 +66,7 @@ const fileRouter = router({
         createdAtIv: file.encCreatedAt?.iv,
         lastModifiedAt: file.encLastModifiedAt.ciphertext,
         lastModifiedAtIv: file.encLastModifiedAt.iv,
+        isFavorite: file.isFavorite,
         categories: file.categories.map((category) => ({
           id: category.id,
           parent: category.parentId,
@@ -97,11 +99,43 @@ const fileRouter = router({
     }),
 
   listWithoutThumbnail: roleProcedure["activeClient"].query(async ({ ctx }) => {
-    return await MediaRepo.getMissingFileThumbnails(ctx.session.userId);
+    const files = await FileRepo.getFilesWithoutThumbnail(ctx.session.userId);
+    return files.map((file) => ({
+      id: file.id,
+      isLegacy: !!file.encContentIv,
+      parent: file.parentId,
+      mekVersion: file.mekVersion,
+      dek: file.encDek,
+      dekVersion: file.dekVersion,
+      contentType: file.contentType,
+      name: file.encName.ciphertext,
+      nameIv: file.encName.iv,
+      createdAt: file.encCreatedAt?.ciphertext,
+      createdAtIv: file.encCreatedAt?.iv,
+      lastModifiedAt: file.encLastModifiedAt.ciphertext,
+      lastModifiedAtIv: file.encLastModifiedAt.iv,
+      isFavorite: file.isFavorite,
+    }));
   }),
 
   listLegacy: roleProcedure["activeClient"].query(async ({ ctx }) => {
-    return await FileRepo.getLegacyFileIds(ctx.session.userId);
+    const files = await FileRepo.getLegacyFiles(ctx.session.userId);
+    return files.map((file) => ({
+      id: file.id,
+      isLegacy: true,
+      parent: file.parentId,
+      mekVersion: file.mekVersion,
+      dek: file.encDek,
+      dekVersion: file.dekVersion,
+      contentType: file.contentType,
+      name: file.encName.ciphertext,
+      nameIv: file.encName.iv,
+      createdAt: file.encCreatedAt?.ciphertext,
+      createdAtIv: file.encCreatedAt?.iv,
+      lastModifiedAt: file.encLastModifiedAt.ciphertext,
+      lastModifiedAtIv: file.encLastModifiedAt.iv,
+      isFavorite: file.isFavorite,
+    }));
   }),
 
   rename: roleProcedure["activeClient"]

src/trpc/routers/index.ts

@@ -2,8 +2,10 @@ export { default as authRouter } from "./auth";
 export { default as categoryRouter } from "./category";
 export { default as clientRouter } from "./client";
 export { default as directoryRouter } from "./directory";
+export { default as favoritesRouter } from "./favorites";
 export { default as fileRouter } from "./file";
 export { default as hskRouter } from "./hsk";
 export { default as mekRouter } from "./mek";
+export { default as searchRouter } from "./search";
 export { default as uploadRouter } from "./upload";
 export { default as userRouter } from "./user";

src/trpc/routers/search.ts

@@ -0,0 +1,61 @@
+import { z } from "zod";
+import { DirectoryIdSchema } from "$lib/schemas";
+import { DirectoryRepo, FileRepo } from "$lib/server/db";
+import { router, roleProcedure } from "../init.server";
+
+const searchRouter = router({
+  search: roleProcedure["activeClient"]
+    .input(
+      z.object({
+        ancestor: DirectoryIdSchema.default("root"),
+        inFavorites: z.boolean().default(false),
+        includeCategories: z.number().positive().array().default([]),
+        excludeCategories: z.number().positive().array().default([]),
+      }),
+    )
+    .query(async ({ ctx, input }) => {
+      const [directories, files] = await Promise.all([
+        input.includeCategories.length === 0 && input.excludeCategories.length === 0
+          ? DirectoryRepo.searchDirectories(ctx.session.userId, {
+              parentId: input.ancestor,
+              inFavorites: input.inFavorites,
+            })
+          : [],
+        FileRepo.searchFiles(ctx.session.userId, {
+          parentId: input.ancestor,
+          inFavorites: input.inFavorites,
+          includeCategoryIds: input.includeCategories,
+          excludeCategoryIds: input.excludeCategories,
+        }),
+      ]);
+      return {
+        directories: directories.map((directory) => ({
+          id: directory.id,
+          parent: directory.parentId,
+          mekVersion: directory.mekVersion,
+          dek: directory.encDek,
+          dekVersion: directory.dekVersion,
+          name: directory.encName.ciphertext,
+          nameIv: directory.encName.iv,
+          isFavorite: directory.isFavorite,
+        })),
+        files: files.map((file) => ({
+          id: file.id,
+          parent: file.parentId,
+          mekVersion: file.mekVersion,
+          dek: file.encDek,
+          dekVersion: file.dekVersion,
+          contentType: file.contentType,
+          name: file.encName.ciphertext,
+          nameIv: file.encName.iv,
+          createdAt: file.encCreatedAt?.ciphertext,
+          createdAtIv: file.encCreatedAt?.iv,
+          lastModifiedAt: file.encLastModifiedAt.ciphertext,
+          lastModifiedAtIv: file.encLastModifiedAt.iv,
+          isFavorite: file.isFavorite,
+        })),
+      };
+    }),
+});
+
+export default searchRouter;

static/robots.txt

@@ -0,0 +1,2 @@
+User-agent: *
+Disallow: /