갤러리 페이지 구현

package.json

@@ -21,6 +21,7 @@
     "@sveltejs/adapter-node": "^5.4.0",
     "@sveltejs/kit": "^2.49.2",
     "@sveltejs/vite-plugin-svelte": "^6.2.1",
+    "@tanstack/svelte-virtual": "^3.13.13",
     "@trpc/client": "^11.8.1",
     "@types/file-saver": "^2.0.7",
     "@types/ms": "^0.7.34",

pnpm-lock.yaml

@@ -54,6 +54,9 @@ importers:
       '@sveltejs/vite-plugin-svelte':
         specifier: ^6.2.1
         version: 6.2.1(svelte@5.46.1)(vite@7.3.0(@types/node@25.0.3)(jiti@1.21.7)(yaml@2.8.0))
+      '@tanstack/svelte-virtual':
+        specifier: ^3.13.13
+        version: 3.13.13(svelte@5.46.1)
       '@trpc/client':
         specifier: ^11.8.1
         version: 11.8.1(@trpc/server@11.8.1(typescript@5.9.3))(typescript@5.9.3)
@@ -610,6 +613,14 @@ packages:
       svelte: ^5.0.0
       vite: ^6.3.0 || ^7.0.0
 
+  '@tanstack/svelte-virtual@3.13.13':
+    resolution: {integrity: sha512-VDOvbRw3R+XBQdFodEJ4E7AOmEyo3Bmr4zL4DLVnJ0fxICdbvY5F5t8zSwJ4f7lqjckXi0yKFzY8WBtjaNbsGQ==}
+    peerDependencies:
+      svelte: ^3.48.0 || ^4.0.0 || ^5.0.0
+
+  '@tanstack/virtual-core@3.13.13':
+    resolution: {integrity: sha512-uQFoSdKKf5S8k51W5t7b2qpfkyIbdHMzAn+AMQvHPxKUPeo1SsGaA4JRISQT87jm28b7z8OEqPcg1IOZagQHcA==}
+
   '@trpc/client@11.8.1':
     resolution: {integrity: sha512-L/SJFGanr9xGABmuDoeXR4xAdHJmsXsiF9OuH+apecJ+8sUITzVT1EPeqp0ebqA6lBhEl5pPfg3rngVhi/h60Q==}
     peerDependencies:
@@ -2367,6 +2378,13 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  '@tanstack/svelte-virtual@3.13.13(svelte@5.46.1)':
+    dependencies:
+      '@tanstack/virtual-core': 3.13.13
+      svelte: 5.46.1
+
+  '@tanstack/virtual-core@3.13.13': {}
+
   '@trpc/client@11.8.1(@trpc/server@11.8.1(typescript@5.9.3))(typescript@5.9.3)':
     dependencies:
       '@trpc/server': 11.8.1(typescript@5.9.3)

src/lib/components/molecules/Categories/Categories.svelte

@@ -3,7 +3,7 @@
   import type { SvelteHTMLElements } from "svelte/elements";
   import { get, type Writable } from "svelte/store";
   import type { CategoryInfo } from "$lib/modules/filesystem";
-  import { SortBy, sortEntries } from "$lib/modules/util";
+  import { SortBy, sortEntries } from "$lib/utils";
   import Category from "./Category.svelte";
   import type { SelectedCategory } from "./service";
 

src/lib/components/molecules/Gallery/Gallery.svelte

@@ -0,0 +1,128 @@
+<script lang="ts">
+  import { createWindowVirtualizer } from "@tanstack/svelte-virtual";
+  import { untrack } from "svelte";
+  import { get, type Writable } from "svelte/store";
+  import type { FileInfo } from "$lib/modules/filesystem";
+  import { formatDate, formatDateSortable, SortBy, sortEntries } from "$lib/utils";
+  import Thumbnail from "./Thumbnail.svelte";
+
+  interface Props {
+    files: Writable<FileInfo | null>[];
+    onFileClick?: (file: FileInfo) => void;
+  }
+
+  let { files, onFileClick }: Props = $props();
+
+  type FileEntry = { date?: Date; info: Writable<FileInfo | null> };
+  type Row =
+    | { type: "header"; key: string; label: string }
+    | { type: "items"; key: string; items: FileEntry[] };
+
+  let filesWithDate: FileEntry[] = $state([]);
+  let rows: Row[] = $state([]);
+  let listElement: HTMLDivElement | undefined = $state();
+
+  const virtualizer = createWindowVirtualizer({
+    count: 0,
+    getItemKey: (index) => rows[index]!.key,
+    estimateSize: () => 1000, // TODO
+  });
+
+  const measureRow = (node: HTMLElement) => {
+    $virtualizer.measureElement(node);
+    return {
+      update: () => $virtualizer.measureElement(node),
+    };
+  };
+
+  $effect(() => {
+    filesWithDate = files.map((file) => {
+      const { createdAt, lastModifiedAt } = get(file) ?? {};
+      return { date: createdAt ?? lastModifiedAt, info: file };
+    });
+
+    const buildRows = () => {
+      const map = new Map<string, FileEntry[]>();
+
+      for (const file of filesWithDate) {
+        if (!file.date) continue;
+
+        const date = formatDateSortable(file.date);
+        const entries = map.get(date) ?? [];
+        entries.push(file);
+        map.set(date, entries);
+      }
+
+      const newRows: Row[] = [];
+      const sortedDates = Array.from(map.keys()).sort((a, b) => b.localeCompare(a));
+      for (const date of sortedDates) {
+        const entries = map.get(date)!;
+        sortEntries(entries, SortBy.DATE_DESC);
+
+        newRows.push({
+          type: "header",
+          key: `header-${date}`,
+          label: formatDate(entries[0]!.date!),
+        });
+        newRows.push({
+          type: "items",
+          key: `items-${date}`,
+          items: entries,
+        });
+      }
+
+      rows = newRows;
+      $virtualizer.setOptions({ count: rows.length });
+    };
+    return untrack(() => {
+      buildRows();
+
+      const unsubscribes = filesWithDate.map((file) =>
+        file.info.subscribe((value) => {
+          const newDate = value?.createdAt ?? value?.lastModifiedAt;
+          if (file.date?.getTime() === newDate?.getTime()) return;
+          file.date = newDate;
+          buildRows();
+        }),
+      );
+      return () => unsubscribes.forEach((unsubscribe) => unsubscribe());
+    });
+  });
+</script>
+
+<div bind:this={listElement} class="relative flex flex-grow flex-col">
+  <div style="height: {$virtualizer.getTotalSize()}px;">
+    {#each $virtualizer.getVirtualItems() as virtualRow (virtualRow.key)}
+      {@const row = rows[virtualRow.index]!}
+      <div
+        use:measureRow
+        data-index={virtualRow.index}
+        class="absolute left-0 top-0 w-full"
+        style="transform: translateY({virtualRow.start}px);"
+      >
+        {#if row.type === "header"}
+          <p class="pb-2 font-medium">{row.label}</p>
+        {:else}
+          <div class="grid grid-cols-4 gap-1 pb-4">
+            {#each row.items as { info }}
+              <Thumbnail {info} onclick={onFileClick} />
+            {/each}
+          </div>
+        {/if}
+      </div>
+    {/each}
+  </div>
+  {#if $virtualizer.getVirtualItems().length === 0}
+    <div class="flex h-full flex-grow items-center justify-center">
+      <p class="text-gray-500">
+        {#if files.length === 0}
+          업로드된 파일이 없어요.
+        {:else if filesWithDate.length === 0}
+          파일 목록을 불러오고 있어요.
+        {:else}
+          사진 또는 동영상이 없어요.
+        {/if}
+      </p>
+    </div>
+  {/if}
+</div>

src/lib/components/molecules/Gallery/Thumbnail.svelte

@@ -0,0 +1,42 @@
+<script lang="ts">
+  import type { Writable } from "svelte/store";
+  import type { FileInfo } from "$lib/modules/filesystem";
+  import { requestFileThumbnailDownload } from "$lib/services/file";
+
+  interface Props {
+    info: Writable<FileInfo | null>;
+    onclick?: (file: FileInfo) => void;
+  }
+
+  let { info, onclick }: Props = $props();
+
+  let thumbnail: string | undefined = $state();
+
+  $effect(() => {
+    if ($info) {
+      requestFileThumbnailDownload($info.id, $info.dataKey)
+        .then((thumbnailUrl) => {
+          thumbnail = thumbnailUrl ?? undefined;
+        })
+        .catch(() => {
+          // TODO: Error Handling
+          thumbnail = undefined;
+        });
+    } else {
+      thumbnail = undefined;
+    }
+  });
+</script>
+
+{#if $info}
+  <button
+    onclick={() => onclick?.($info)}
+    class="relative aspect-square w-full 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}
+  </button>
+{/if}

src/lib/components/molecules/Gallery/index.ts

@@ -0,0 +1 @@
+export { default as Gallery } from "./Gallery.svelte";

src/lib/components/molecules/index.ts

@@ -2,6 +2,7 @@ export * from "./ActionModal.svelte";
 export { default as ActionModal } from "./ActionModal.svelte";
 export * from "./Categories";
 export { default as Categories } from "./Categories";
+export * from "./Gallery";
 export { default as IconEntryButton } from "./IconEntryButton.svelte";
 export * from "./labels";
 export { default as SubCategories } from "./SubCategories.svelte";

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

@@ -4,8 +4,8 @@
   import { CheckBox } from "$lib/components/atoms";
   import { SubCategories, type SelectedCategory } from "$lib/components/molecules";
   import { getFileInfo, type FileInfo, type CategoryInfo } from "$lib/modules/filesystem";
-  import { SortBy, sortEntries } from "$lib/modules/util";
   import { masterKeyStore } from "$lib/stores";
+  import { SortBy, sortEntries } from "$lib/utils";
   import File from "./File.svelte";
   import type { SelectedFile } from "./service";
 

src/lib/utils/format.ts

@@ -7,6 +7,13 @@ export const formatDate = (date: Date) => {
   return `${year}. ${month}. ${day}.`;
 };
 
+export const formatDateSortable = (date: Date) => {
+  const year = date.getFullYear();
+  const month = pad2(date.getMonth() + 1);
+  const day = pad2(date.getDate());
+  return `${year}${month}${day}`;
+};
+
 export const formatDateTime = (date: Date) => {
   const dateFormatted = formatDate(date);
   const hours = date.getHours();
@@ -32,32 +39,3 @@ export const truncateString = (str: string, maxLength = 20) => {
   if (str.length <= maxLength) return str;
   return `${str.slice(0, maxLength)}...`;
 };
-
-export enum SortBy {
-  NAME_ASC,
-  NAME_DESC,
-}
-
-type SortFunc = (a?: string, b?: string) => number;
-
-const collator = new Intl.Collator(undefined, { numeric: true, sensitivity: "base" });
-
-const sortByNameAsc: SortFunc = (a, b) => {
-  if (a && b) return collator.compare(a, b);
-  if (a) return -1;
-  if (b) return 1;
-  return 0;
-};
-
-const sortByNameDesc: SortFunc = (a, b) => -sortByNameAsc(a, b);
-
-export const sortEntries = <T extends { name?: string }>(entries: T[], sortBy: SortBy) => {
-  let sortFunc: SortFunc;
-  if (sortBy === SortBy.NAME_ASC) {
-    sortFunc = sortByNameAsc;
-  } else {
-    sortFunc = sortByNameDesc;
-  }
-
-  entries.sort((a, b) => sortFunc(a.name, b.name));
-};

src/lib/utils/index.ts

@@ -1 +1,3 @@
+export * from "./format";
 export * from "./gotoStateful";
+export * from "./sort";

src/lib/utils/sort.ts

@@ -0,0 +1,57 @@
+interface SortEntry {
+  name?: string;
+  date?: Date;
+}
+
+export enum SortBy {
+  NAME_ASC,
+  NAME_DESC,
+  DATE_ASC,
+  DATE_DESC,
+}
+
+type SortFunc = (a: SortEntry, b: SortEntry) => number;
+
+const collator = new Intl.Collator(undefined, { numeric: true, sensitivity: "base" });
+
+const sortByNameAsc: SortFunc = ({ name: a }, { name: b }) => {
+  if (a && b) return collator.compare(a, b);
+  if (a) return -1;
+  if (b) return 1;
+  return 0;
+};
+
+const sortByNameDesc: SortFunc = (a, b) => -sortByNameAsc(a, b);
+
+const sortByDateAsc: SortFunc = ({ date: a }, { date: b }) => {
+  if (a && b) return a.getTime() - b.getTime();
+  if (a) return -1;
+  if (b) return 1;
+  return 0;
+};
+
+const sortByDateDesc: SortFunc = (a, b) => -sortByDateAsc(a, b);
+
+export const sortEntries = <T extends SortEntry>(entries: T[], sortBy: SortBy) => {
+  let sortFunc: SortFunc;
+
+  switch (sortBy) {
+    case SortBy.NAME_ASC:
+      sortFunc = sortByNameAsc;
+      break;
+    case SortBy.NAME_DESC:
+      sortFunc = sortByNameDesc;
+      break;
+    case SortBy.DATE_ASC:
+      sortFunc = sortByDateAsc;
+      break;
+    case SortBy.DATE_DESC:
+      sortFunc = sortByDateDesc;
+      break;
+    default:
+      const exhaustive: never = sortBy;
+      sortFunc = exhaustive;
+  }
+
+  entries.sort(sortFunc);
+};

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

@@ -1,7 +1,7 @@
 <script lang="ts">
   import type { Writable } from "svelte/store";
-  import { formatNetworkSpeed } from "$lib/modules/util";
   import { isFileDownloading, type FileDownloadStatus } from "$lib/stores";
+  import { formatNetworkSpeed } from "$lib/utils";
 
   interface Props {
     status?: Writable<FileDownloadStatus>;

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

@@ -1,8 +1,8 @@
 <script lang="ts">
   import { get, type Writable } from "svelte/store";
   import { getFileInfo, type FileInfo } from "$lib/modules/filesystem";
-  import { formatNetworkSpeed } from "$lib/modules/util";
   import { masterKeyStore, type FileDownloadStatus } from "$lib/stores";
+  import { formatNetworkSpeed } from "$lib/utils";
 
   import IconCloud from "~icons/material-symbols/cloud";
   import IconCloudDownload from "~icons/material-symbols/cloud-download";

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

@@ -1,7 +1,7 @@
 <script lang="ts">
   import type { Writable } from "svelte/store";
-  import { formatNetworkSpeed } from "$lib/modules/util";
   import type { FileUploadStatus } from "$lib/stores";
+  import { formatNetworkSpeed } from "$lib/utils";
 
   import IconPending from "~icons/material-symbols/pending";
   import IconLockClock from "~icons/material-symbols/lock-clock";

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

@@ -0,0 +1,25 @@
+<script lang="ts">
+  import type { Writable } from "svelte/store";
+  import { goto } from "$app/navigation";
+  import { FullscreenDiv } from "$lib/components/atoms";
+  import { Gallery, TopBar } from "$lib/components/molecules";
+  import { getFileInfo, type FileInfo } from "$lib/modules/filesystem";
+  import { masterKeyStore } from "$lib/stores";
+
+  let { data } = $props();
+
+  let files: Writable<FileInfo | null>[] = $state([]);
+
+  $effect(() => {
+    files = data.files.map((file) => getFileInfo(file, $masterKeyStore?.get(1)?.key!));
+  });
+</script>
+
+<svelte:head>
+  <title>사진 및 동영상</title>
+</svelte:head>
+
+<TopBar title="사진 및 동영상" />
+<FullscreenDiv>
+  <Gallery {files} onFileClick={({ id }) => goto(`/file/${id}`)} />
+</FullscreenDiv>

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

@@ -0,0 +1,7 @@
+import { trpc } from "$trpc/client";
+import type { PageLoad } from "./$types";
+
+export const load: PageLoad = async ({ fetch }) => {
+  const files = await trpc(fetch).file.list.query();
+  return { files };
+};

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

@@ -6,8 +6,8 @@
   import type { FileCacheIndex } from "$lib/indexedDB";
   import { getFileCacheIndex, deleteFileCache as doDeleteFileCache } from "$lib/modules/file";
   import { getFileInfo, type FileInfo } from "$lib/modules/filesystem";
-  import { formatFileSize } from "$lib/modules/util";
   import { masterKeyStore } from "$lib/stores";
+  import { formatFileSize } from "$lib/utils";
   import File from "./File.svelte";
 
   interface FileCache {

src/routes/(fullscreen)/settings/cache/File.svelte

@@ -2,7 +2,7 @@
   import type { Writable } from "svelte/store";
   import type { FileCacheIndex } from "$lib/indexedDB";
   import type { FileInfo } from "$lib/modules/filesystem";
-  import { formatDate, formatFileSize } from "$lib/modules/util";
+  import { formatDate, formatFileSize } from "$lib/utils";
 
   import IconDraft from "~icons/material-symbols/draft";
   import IconScanDelete from "~icons/material-symbols/scan-delete";

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

@@ -1,13 +1,7 @@
-import { error } from "@sveltejs/kit";
 import { trpc } from "$trpc/client";
 import type { PageLoad } from "./$types";
 
 export const load: PageLoad = async ({ fetch }) => {
-  try {
-    const files = await trpc(fetch).file.listWithoutThumbnail.query();
-    return { files };
-  } catch {
-    // TODO: Error Handling
-    error(500, "Internal server error");
-  }
+  const files = await trpc(fetch).file.listWithoutThumbnail.query();
+  return { files };
 };

src/routes/(fullscreen)/settings/thumbnail/File.svelte

@@ -14,7 +14,7 @@
   import { ActionEntryButton } from "$lib/components/atoms";
   import { DirectoryEntryLabel } from "$lib/components/molecules";
   import type { FileInfo } from "$lib/modules/filesystem";
-  import { formatDateTime } from "$lib/modules/util";
+  import { formatDateTime } from "$lib/utils";
   import type { GenerationStatus } from "./service.svelte";
 
   import IconCamera from "~icons/material-symbols/camera";

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

@@ -1,6 +1,6 @@
 <script lang="ts">
   import { ActionModal } from "$lib/components/molecules";
-  import { truncateString } from "$lib/modules/util";
+  import { truncateString } from "$lib/utils";
   import { useContext } from "./service.svelte";
 
   interface Props {

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

@@ -7,13 +7,13 @@
     type DirectoryInfo,
     type FileInfo,
   } from "$lib/modules/filesystem";
-  import { SortBy, sortEntries } from "$lib/modules/util";
   import {
     fileUploadStatusStore,
     isFileUploading,
     masterKeyStore,
     type FileUploadStatus,
   } from "$lib/stores";
+  import { SortBy, sortEntries } from "$lib/utils";
   import File from "./File.svelte";
   import SubDirectory from "./SubDirectory.svelte";
   import UploadingFile from "./UploadingFile.svelte";

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

@@ -3,7 +3,7 @@
   import { ActionEntryButton } from "$lib/components/atoms";
   import { DirectoryEntryLabel } from "$lib/components/molecules";
   import type { FileInfo } from "$lib/modules/filesystem";
-  import { formatDateTime } from "$lib/modules/util";
+  import { formatDateTime } from "$lib/utils";
   import { requestFileThumbnailDownload } from "./service";
   import type { SelectedEntry } from "../service.svelte";
 

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

@@ -1,7 +1,7 @@
 <script lang="ts">
   import type { Writable } from "svelte/store";
-  import { formatNetworkSpeed } from "$lib/modules/util";
   import { isFileUploading, type FileUploadStatus } from "$lib/stores";
+  import { formatNetworkSpeed } from "$lib/utils";
 
   import IconDraft from "~icons/material-symbols/draft";
 

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

@@ -1,6 +1,6 @@
 <script lang="ts">
   import { ActionModal } from "$lib/components/molecules";
-  import { truncateString } from "$lib/modules/util";
+  import { truncateString } from "$lib/utils";
 
   interface Props {
     file: File | undefined;

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

@@ -1,6 +1,6 @@
 <script lang="ts">
   import { ActionModal } from "$lib/components/molecules";
-  import { truncateString } from "$lib/modules/util";
+  import { truncateString } from "$lib/utils";
   import { useContext } from "./service.svelte";
 
   interface Props {

src/routes/(main)/menu/+page.ts

@@ -1,13 +1,7 @@
-import { error } from "@sveltejs/kit";
 import { trpc } from "$trpc/client";
 import type { PageLoad } from "./$types";
 
 export const load: PageLoad = async ({ fetch }) => {
-  try {
-    const { nickname } = await trpc(fetch).user.get.query();
-    return { nickname };
-  } catch {
-    // TODO: Error Handling
-    error(500, "Internal server error");
-  }
+  const { nickname } = await trpc(fetch).user.get.query();
+  return { nickname };
 };