perf: speed up folder tree creation during upload

Speeds up the folder tree creation during upload by effectively saving up PROPFIND requests on nested folders. Those are only necessary for the root folders.

changelog/unreleased/enhancement-upload-folder-tree-creation

@@ -0,0 +1,6 @@
+Enhancement: Folder tree creation during upload
+
+The performance of the folder tree creation during upload has been improved.
+
+https://github.com/owncloud/web/pull/10057
+https://github.com/owncloud/web/issues/9817

packages/web-app-files/src/HandleUpload.ts

@@ -282,6 +282,7 @@ export class HandleUpload extends BasePlugin {
       const folders = directory.split('/')
       let createdSubFolders = ''
       for (const subFolder of folders) {
+        const isRoot = !createdSubFolders
         if (!subFolder) {
           continue
         }
@@ -326,8 +327,10 @@ export class HandleUpload extends BasePlugin {
 
         try {
           const folder = await webdav.createFolder(space, {
-            path: join(currentFolderPath, folderToCreate)
+            path: join(currentFolderPath, folderToCreate),
+            fetchFolder: isRoot
           })
+
           this.uppyService.publish('uploadSuccess', {
             ...uppyResource,
             meta: { ...uppyResource.meta, fileId: folder?.fileId }

packages/web-client/src/webdav/createFolder.ts

@@ -12,11 +12,16 @@ export const CreateFolderFactory = (
   { accessToken }: WebDavOptions
 ) => {
   return {
-    async createFolder(space: SpaceResource, { path }: { path?: string }): Promise<FolderResource> {
+    async createFolder(
+      space: SpaceResource,
+      { path, fetchFolder = true }: { path?: string; fetchFolder?: boolean }
+    ): Promise<FolderResource> {
       const headers = buildAuthHeader(unref(accessToken), space)
       await dav.mkcol(urlJoin(space.webDavPath, path, { leadingSlash: true }), { headers })
 
-      return getFileInfoFactory.getFileInfo(space, { path })
+      if (fetchFolder) {
+        return getFileInfoFactory.getFileInfo(space, { path })
+      }
     }
   }
 }