사소한 리팩토링

src/lib/components/atoms/RowVirtualizer.svelte

@@ -8,10 +8,11 @@
     count: number;
     item: Snippet<[index: number]>;
     itemHeight: (index: number) => number;
+    itemGap?: number;
     placeholder?: Snippet;
   }
 
-  let { class: className, count, item, itemHeight, placeholder }: Props = $props();
+  let { class: className, count, item, itemHeight, itemGap, placeholder }: Props = $props();
 
   let element: HTMLElement | undefined = $state();
   let scrollMargin = $state(0);
@@ -20,6 +21,7 @@
     createWindowVirtualizer({
       count,
       estimateSize: itemHeight,
+      gap: itemGap,
       scrollMargin,
     }),
   );

src/lib/components/organisms/Category/Category.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
   import { CheckBox, RowVirtualizer } from "$lib/components/atoms";
   import { SubCategories, type SelectedCategory } from "$lib/components/molecules";
+  import { updateCategoryInfo } from "$lib/indexedDB";
   import type { CategoryInfo } from "$lib/modules/filesystem";
   import { sortEntries } from "$lib/utils";
   import File from "./File.svelte";
@@ -28,6 +29,9 @@
     isFileRecursive = $bindable(),
   }: Props = $props();
 
+  let lastCategoryId = $state<CategoryInfo["id"] | undefined>();
+  let lastIsFileRecursive = $state<boolean | undefined>();
+
   let files = $derived(
     sortEntries(
       info.files
@@ -35,6 +39,19 @@
         .filter(({ details }) => isFileRecursive || !details.isRecursive) ?? [],
     ),
   );
+
+  $effect(() => {
+    if (info.id === "root" || isFileRecursive === undefined) return;
+    if (lastCategoryId !== info.id) {
+      lastCategoryId = info.id;
+      lastIsFileRecursive = isFileRecursive;
+      return;
+    }
+    if (lastIsFileRecursive === isFileRecursive) return;
+
+    lastIsFileRecursive = isFileRecursive;
+    void updateCategoryInfo(info.id, { isFileRecursive });
+  });
 </script>
 
 <div class="space-y-4">
@@ -58,19 +75,14 @@
           <p class="font-medium">하위 카테고리의 파일</p>
         </CheckBox>
       </div>
-      <RowVirtualizer
+      <RowVirtualizer count={files.length} itemHeight={() => 48} itemGap={4}>
-        count={files.length}
-        itemHeight={(index) => 48 + (index + 1 < files.length ? 4 : 0)}
-      >
         {#snippet item(index)}
           {@const { details } = files[index]!}
-          <div class={[index + 1 < files.length && "pb-1"]}>
           <File
             info={details}
             onclick={onFileClick}
             onRemoveClick={!details.isRecursive ? onFileRemoveClick : undefined}
           />
-          </div>
         {/snippet}
         {#snippet placeholder()}
           <p class="text-center text-gray-500">이 카테고리에 추가된 파일이 없어요.</p>

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

@@ -46,7 +46,7 @@ const isFileUploading = (status: FileUploadState["status"]) =>
 
 export const getUploadingFiles = (parentId?: DirectoryId) => {
   return uploadingFiles.filter(
-    (file): file is LiveFileUploadState =>
+    (file) =>
       (parentId === undefined || file.parentId === parentId) && isFileUploading(file.status),
   );
 };

src/lib/modules/filesystem/category.ts

@@ -52,25 +52,76 @@ const fetchFromServer = async (id: CategoryId, masterKey: CryptoKey) => {
       metadata,
       subCategories: subCategoriesRaw,
       files: filesRaw,
-    } = await trpc().category.get.query({ id });
+    } = await trpc().category.get.query({ id, recurse: true });
-    const [subCategories, files] = await Promise.all([
+    const subCategories = await Promise.all(
-      Promise.all(
+      subCategoriesRaw.map(async (category) => {
-        subCategoriesRaw.map(async (category) => ({
+        const decrypted = await decryptCategoryMetadata(category, masterKey);
+        const existing = await IndexedDB.getCategoryInfo(category.id);
+        await IndexedDB.storeCategoryInfo({
           id: category.id,
-          ...(await decryptCategoryMetadata(category, masterKey)),
+          parentId: id,
-        })),
+          name: decrypted.name,
-      ),
+          files: existing?.files ?? [],
-      filesRaw
+          isFileRecursive: existing?.isFileRecursive ?? false,
-        ? Promise.all(
+        });
-            filesRaw.map(async (file) => ({
+        return {
+          id: category.id,
+          ...decrypted,
+        };
+      }),
+    );
+
+    const existingFiles = filesRaw
+      ? await IndexedDB.bulkGetFileInfos(filesRaw.map((file) => file.id))
+      : [];
+    const files = filesRaw
+      ? await Promise.all(
+          filesRaw.map(async (file, index) => {
+            const decrypted = await decryptFileMetadata(file, masterKey);
+            const existing = existingFiles[index];
+            if (existing) {
+              const categoryIds = file.isRecursive
+                ? existing.categoryIds
+                : Array.from(new Set([...existing.categoryIds, id as number]));
+              await IndexedDB.storeFileInfo({
+                id: file.id,
+                parentId: existing.parentId,
+                contentType: file.contentType,
+                name: decrypted.name,
+                createdAt: decrypted.createdAt,
+                lastModifiedAt: decrypted.lastModifiedAt,
+                categoryIds,
+              });
+            }
+            return {
               id: file.id,
               contentType: file.contentType,
               isRecursive: file.isRecursive,
-              ...(await decryptFileMetadata(file, masterKey)),
+              ...decrypted,
-            })),
+            };
+          }),
         )
-        : undefined,
+      : undefined;
-    ]);
+
+    const decryptedMetadata = metadata
+      ? await decryptCategoryMetadata(metadata, masterKey)
+      : undefined;
+    if (id !== "root" && metadata && decryptedMetadata) {
+      const existingCategory = await IndexedDB.getCategoryInfo(id);
+      await IndexedDB.storeCategoryInfo({
+        id: id as number,
+        parentId: metadata.parent,
+        name: decryptedMetadata.name,
+        files:
+          files?.map((file) => ({
+            id: file.id,
+            isRecursive: file.isRecursive,
+          })) ??
+          existingCategory?.files ??
+          [],
+        isFileRecursive: existingCategory?.isFileRecursive ?? false,
+      });
+    }
 
     if (id === "root") {
       return {
@@ -84,7 +135,7 @@ const fetchFromServer = async (id: CategoryId, masterKey: CryptoKey) => {
         exists: true as const,
         subCategories,
         files,
-        ...(await decryptCategoryMetadata(metadata!, masterKey)),
+        ...decryptedMetadata!,
       };
     }
   } catch (e) {

src/lib/modules/filesystem/directory.ts

@@ -39,22 +39,52 @@ const fetchFromServer = async (id: DirectoryId, masterKey: CryptoKey) => {
       subDirectories: subDirectoriesRaw,
       files: filesRaw,
     } = await trpc().directory.get.query({ id });
-    const [subDirectories, files] = await Promise.all([
+    const existingFiles = await IndexedDB.bulkGetFileInfos(filesRaw.map((file) => file.id));
+    const [subDirectories, files, decryptedMetadata] = await Promise.all([
       Promise.all(
-        subDirectoriesRaw.map(async (directory) => ({
+        subDirectoriesRaw.map(async (directory) => {
+          const decrypted = await decryptDirectoryMetadata(directory, masterKey);
+          await IndexedDB.storeDirectoryInfo({
             id: directory.id,
-          ...(await decryptDirectoryMetadata(directory, masterKey)),
+            parentId: id,
-        })),
+            name: decrypted.name,
+          });
+          return {
+            id: directory.id,
+            ...decrypted,
+          };
+        }),
       ),
       Promise.all(
-        filesRaw.map(async (file) => ({
+        filesRaw.map(async (file, index) => {
+          const decrypted = await decryptFileMetadata(file, masterKey);
+          await IndexedDB.storeFileInfo({
+            id: file.id,
+            parentId: id,
+            contentType: file.contentType,
+            name: decrypted.name,
+            createdAt: decrypted.createdAt,
+            lastModifiedAt: decrypted.lastModifiedAt,
+            categoryIds: existingFiles[index]?.categoryIds ?? [],
+          });
+          return {
             id: file.id,
             contentType: file.contentType,
-          ...(await decryptFileMetadata(file, masterKey)),
+            ...decrypted,
-        })),
+          };
+        }),
       ),
+      metadata ? decryptDirectoryMetadata(metadata, masterKey) : undefined,
     ]);
 
+    if (id !== "root" && metadata && decryptedMetadata) {
+      await IndexedDB.storeDirectoryInfo({
+        id,
+        parentId: metadata.parent,
+        name: decryptedMetadata.name,
+      });
+    }
+
     if (id === "root") {
       return {
         id,
@@ -69,7 +99,7 @@ const fetchFromServer = async (id: DirectoryId, masterKey: CryptoKey) => {
         parentId: metadata!.parent,
         subDirectories,
         files,
-        ...(await decryptDirectoryMetadata(metadata!, masterKey)),
+        ...decryptedMetadata!,
       };
     }
   } catch (e) {

src/lib/modules/filesystem/file.ts

@@ -66,15 +66,26 @@ const bulkFetchFromIndexedDB = async (ids: number[]) => {
 const fetchFromServer = async (id: number, masterKey: CryptoKey) => {
   try {
     const { categories: categoriesRaw, ...metadata } = await trpc().file.get.query({ id });
-    const [categories] = await Promise.all([
+    const [categories, decryptedMetadata] = await Promise.all([
       Promise.all(
         categoriesRaw.map(async (category) => ({
           id: category.id,
           ...(await decryptCategoryMetadata(category, masterKey)),
         })),
       ),
+      decryptFileMetadata(metadata, masterKey),
     ]);
 
+    await IndexedDB.storeFileInfo({
+      id,
+      parentId: metadata.parent,
+      contentType: metadata.contentType,
+      name: decryptedMetadata.name,
+      createdAt: decryptedMetadata.createdAt,
+      lastModifiedAt: decryptedMetadata.lastModifiedAt,
+      categoryIds: categories.map((category) => category.id),
+    });
+
     return {
       id,
       exists: true as const,
@@ -82,7 +93,7 @@ const fetchFromServer = async (id: number, masterKey: CryptoKey) => {
       contentType: metadata.contentType,
       contentIv: metadata.contentIv,
       categories,
-      ...(await decryptFileMetadata(metadata, masterKey)),
+      ...decryptedMetadata,
     };
   } catch (e) {
     if (isTRPCClientError(e) && e.data?.code === "NOT_FOUND") {
@@ -97,12 +108,25 @@ const bulkFetchFromServer = async (ids: number[], masterKey: CryptoKey) => {
   const filesRaw = await trpc().file.bulkGet.query({ ids });
   const files = await Promise.all(
     filesRaw.map(async (file) => {
-      const categories = await Promise.all(
+      const [categories, decryptedMetadata] = await Promise.all([
+        Promise.all(
           file.categories.map(async (category) => ({
             id: category.id,
             ...(await decryptCategoryMetadata(category, masterKey)),
           })),
-      );
+        ),
+        decryptFileMetadata(file, masterKey),
+      ]);
+
+      await IndexedDB.storeFileInfo({
+        id: file.id,
+        parentId: file.parent,
+        contentType: file.contentType,
+        name: decryptedMetadata.name,
+        createdAt: decryptedMetadata.createdAt,
+        lastModifiedAt: decryptedMetadata.lastModifiedAt,
+        categoryIds: categories.map((category) => category.id),
+      });
       return {
         id: file.id,
         exists: true as const,
@@ -110,7 +134,7 @@ const bulkFetchFromServer = async (ids: number[], masterKey: CryptoKey) => {
         contentType: file.contentType,
         contentIv: file.contentIv,
         categories,
-        ...(await decryptFileMetadata(file, masterKey)),
+        ...decryptedMetadata,
       };
     }),
   );

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

@@ -1,18 +1,29 @@
 <script lang="ts">
+  import { onMount } from "svelte";
   import { FullscreenDiv } from "$lib/components/atoms";
   import { TopBar } from "$lib/components/molecules";
-  import { getDownloadingFiles, clearDownloadedFiles } from "$lib/modules/file";
+  import {
-  import { bulkGetFileInfo } from "$lib/modules/filesystem";
+    getDownloadingFiles,
+    clearDownloadedFiles,
+    type FileDownloadState,
+  } from "$lib/modules/file";
+  import { bulkGetFileInfo, type MaybeFileInfo } from "$lib/modules/filesystem";
   import { masterKeyStore } from "$lib/stores";
   import File from "./File.svelte";
 
-  const downloadingFiles = getDownloadingFiles();
+  let downloadingFiles: { info: MaybeFileInfo; state: FileDownloadState }[] = $state([]);
-  const filesPromise = $derived(
+
-    bulkGetFileInfo(
+  onMount(async () => {
-      downloadingFiles.map(({ id }) => id),
+    const states = getDownloadingFiles();
+    const infos = await bulkGetFileInfo(
+      states.map(({ id }) => id),
       $masterKeyStore?.get(1)?.key!,
-    ),
     );
+    downloadingFiles = states.map((state) => ({
+      info: infos.get(state.id)!,
+      state,
+    }));
+  });
 
   $effect(() => clearDownloadedFiles);
 </script>
@@ -23,14 +34,11 @@
 
 <TopBar />
 <FullscreenDiv>
-  {#await filesPromise then files}
   <div class="space-y-2 pb-4">
-      {#each downloadingFiles as state}
+    {#each downloadingFiles as { info, state } (info.id)}
-        {@const info = files.get(state.id)!}
       {#if info.exists}
-          <File {state} {info} />
+        <File {info} {state} />
       {/if}
     {/each}
   </div>
-  {/await}
 </FullscreenDiv>

src/routes/(fullscreen)/file/downloads/File.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
   import type { FileDownloadState } from "$lib/modules/file";
-  import type { FileInfo } from "$lib/modules/filesystem";
+  import type { SummarizedFileInfo } from "$lib/modules/filesystem";
   import { formatNetworkSpeed } from "$lib/utils";
 
   import IconCloud from "~icons/material-symbols/cloud";
@@ -11,7 +11,7 @@
   import IconError from "~icons/material-symbols/error";
 
   interface Props {
-    info: FileInfo;
+    info: SummarizedFileInfo;
     state: FileDownloadState;
   }
 

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

@@ -33,31 +33,23 @@
 
   const toEntry =
     <T extends Exclude<Entry["type"], "parent">>(type: T) =>
-    (details: Extract<Entry, { type: T }>["details"]) => ({
+    (details: Extract<Entry, { type: T }>["details"]) => ({ type, name: details.name, details });
-      type,
-      name: details.name,
-      details,
-    });
 
   let entries = $derived([
     ...(showParentEntry ? ([{ type: "parent" }] as const) : []),
     ...sortEntries(info.subDirectories.map(toEntry("directory"))),
     ...sortEntries([
       ...info.files.map(toEntry("file")),
-      ...getUploadingFiles(info.id).map(toEntry("uploading-file")),
+      ...(getUploadingFiles(info.id) as LiveFileUploadState[]).map(toEntry("uploading-file")),
     ]),
   ]);
 </script>
 
 {#if entries.length > 0}
   <div class="pb-[4.5rem]">
-    <RowVirtualizer
+    <RowVirtualizer count={entries.length} itemHeight={() => 56} itemGap={4}>
-      count={entries.length}
-      itemHeight={(index) => 56 + (index + 1 < entries.length ? 4 : 0)}
-    >
       {#snippet item(index)}
         {@const entry = entries[index]!}
-        <div class={index + 1 < entries.length ? "pb-1" : ""}>
         {#if entry.type === "parent"}
           <ActionEntryButton class="h-14" onclick={onParentClick}>
             <DirectoryEntryLabel type="parent-directory" name=".." />
@@ -73,7 +65,6 @@
         {:else}
           <UploadingFile state={entry.details} />
         {/if}
-        </div>
       {/snippet}
     </RowVirtualizer>
   </div>