feat(server): squash folder root

web/src/lib/stores/folders.svelte.ts

@@ -1,3 +1,4 @@
+import { buildTree, type RecursiveObject } from '$lib/utils/tree-utils';
 import {
   getAssetsByOriginalPath,
   getUniqueOriginalPaths,
@@ -15,6 +16,8 @@ class FoldersStore {
   private initialized = false;
   uniquePaths = $state<string[]>([]);
   assets = $state<AssetCache>({});
+  rootPath = '';
+  tree = $state<RecursiveObject>({});
 
   async fetchUniquePaths() {
     if (this.initialized) {
@@ -24,6 +27,24 @@ class FoldersStore {
 
     const uniquePaths = await getUniqueOriginalPaths();
     this.uniquePaths.push(...uniquePaths);
+
+    this.tree = buildTree(foldersStore.uniquePaths);
+
+    const getAssets = async () => {
+      await this.fetchAssetsByPath(this.rootPath);
+      return this.assets[this.rootPath] || null;
+    };
+
+    let currentFolders = Object.keys(this.tree || {}).sort();
+    let currentAssets = await getAssets();
+
+    while (currentFolders.length === 1 && currentAssets.length === 0) {
+      const folder = currentFolders[0];
+      this.rootPath += `/${folder}`;
+      this.tree = this.tree[folder];
+      currentFolders = Object.keys(this.tree || {}).sort();
+      currentAssets = await getAssets();
+    }
   }
 
   bustAssetCache() {
@@ -34,7 +55,7 @@ class FoldersStore {
     if (!path) {
       return;
     }
-    this.assets[path] = await getAssetsByOriginalPath({ path });
+    this.assets[path] = await getAssetsByOriginalPath({ path: this.getEffectivePath(path) });
   }
 
   async fetchAssetsByPath(path: string) {
@@ -42,7 +63,11 @@ class FoldersStore {
       return;
     }
 
-    this.assets[path] = await getAssetsByOriginalPath({ path });
+    this.assets[path] = await getAssetsByOriginalPath({ path: this.getEffectivePath(path) });
+  }
+
+  private getEffectivePath(path: string) {
+    return this.rootPath ? this.rootPath + '/' + path : path;
   }
 
   clearCache() {

web/src/routes/(user)/folders/[[photos=photos]]/[[assetId=id]]/+page.svelte

@@ -9,7 +9,7 @@
   import { AppRoute, QueryParameter } from '$lib/constants';
   import type { Viewport } from '$lib/stores/assets.store';
   import { foldersStore } from '$lib/stores/folders.svelte';
-  import { buildTree, normalizeTreePath } from '$lib/utils/tree-utils';
+  import { normalizeTreePath } from '$lib/utils/tree-utils';
   import { mdiDotsVertical, mdiFolder, mdiFolderHome, mdiFolderOutline, mdiPlus, mdiSelectAll } from '@mdi/js';
   import { onMount } from 'svelte';
   import { t } from 'svelte-i18n';
@@ -42,7 +42,7 @@
   const viewport: Viewport = $state({ width: 0, height: 0 });
 
   let pathSegments = $derived(data.path ? data.path.split('/') : []);
-  let tree = $derived(buildTree(foldersStore.uniquePaths));
+  let tree = $derived(data.tree);
   let currentPath = $derived($page.url.searchParams.get(QueryParameter.PATH) || '');
   let currentTreeItems = $derived(currentPath ? data.currentFolders : Object.keys(tree).sort());
 

web/src/routes/(user)/folders/[[photos=photos]]/[[assetId=id]]/+page.ts

@@ -3,7 +3,7 @@ import { foldersStore } from '$lib/stores/folders.svelte';
 import { authenticate } from '$lib/utils/auth';
 import { getFormatter } from '$lib/utils/i18n';
 import { getAssetInfoFromParam } from '$lib/utils/navigation';
-import { buildTree, normalizeTreePath } from '$lib/utils/tree-utils';
+import { normalizeTreePath } from '$lib/utils/tree-utils';
 import type { PageLoad } from './$types';
 
 export const load = (async ({ params, url }) => {
@@ -24,16 +24,19 @@ export const load = (async ({ params, url }) => {
     // We should bust the asset cache of the folder store, to make sure we don't show stale data
     foldersStore.bustAssetCache();
   }
-
-  let tree = buildTree(foldersStore.uniquePaths);
+  let tree = foldersStore.tree;
   const parts = normalizeTreePath(path || '').split('/');
+
   for (const part of parts) {
-    tree = tree?.[part];
+    if (part) {
+      tree = tree?.[part];
+    }
   }
 
   return {
     asset,
     path,
+    tree: foldersStore.tree,
     currentFolders: Object.keys(tree || {}).sort(),
     pathAssets,
     meta: {