fix(files): add mount root property and adjust delete wording

Signed-off-by: John Molakvoæ <skjnldsv@protonmail.com>

apps/dav/lib/Connector/Sabre/FilesPlugin.php

@@ -79,6 +79,7 @@ class FilesPlugin extends ServerPlugin {
 	public const DATA_FINGERPRINT_PROPERTYNAME = '{http://owncloud.org/ns}data-fingerprint';
 	public const HAS_PREVIEW_PROPERTYNAME = '{http://nextcloud.org/ns}has-preview';
 	public const MOUNT_TYPE_PROPERTYNAME = '{http://nextcloud.org/ns}mount-type';
+	public const MOUNT_ROOT_PROPERTYNAME = '{http://nextcloud.org/ns}is-mount-root';
 	public const IS_ENCRYPTED_PROPERTYNAME = '{http://nextcloud.org/ns}is-encrypted';
 	public const METADATA_ETAG_PROPERTYNAME = '{http://nextcloud.org/ns}metadata_etag';
 	public const UPLOAD_TIME_PROPERTYNAME = '{http://nextcloud.org/ns}upload_time';
@@ -361,6 +362,16 @@ class FilesPlugin extends ServerPlugin {
 				return $node->getFileInfo()->getMountPoint()->getMountType();
 			});
 
+			/**
+			 * This is a special property which is used to determine if a node
+			 * is a mount root or not, e.g. a shared folder.
+			 * If so, then the node can only be unshared and not deleted.
+			 * @see https://github.com/nextcloud/server/blob/cc75294eb6b16b916a342e69998935f89222619d/lib/private/Files/View.php#L696-L698
+			 */
+			$propFind->handle(self::MOUNT_ROOT_PROPERTYNAME, function () use ($node) {
+				return $node->getNode()->getInternalPath() === '' ? 'true' : 'false';
+			});
+
 			$propFind->handle(self::SHARE_NOTE, function () use ($node, $httpRequest): ?string {
 				$user = $this->userSession->getUser();
 				if ($user === null) {

apps/files/src/actions/deleteAction.spec.ts

@@ -22,9 +22,9 @@
 import { action } from './deleteAction'
 import { expect } from '@jest/globals'
 import { File, Folder, Permission, View, FileAction } from '@nextcloud/files'
-import * as auth from '@nextcloud/auth'
 import * as eventBus from '@nextcloud/event-bus'
 import axios from '@nextcloud/axios'
+
 import logger from '../logger'
 
 const view = {
@@ -50,36 +50,81 @@ describe('Delete action conditions tests', () => {
 		permissions: Permission.ALL,
 	})
 
-	// const file2 = new File({
-	// 	id: 1,
-	// 	source: 'https://cloud.domain.com/remote.php/dav/files/admin/foobar.txt',
-	// 	owner: 'admin',
-	// 	mime: 'text/plain',
-	// 	permissions: Permission.ALL,
-	// })
+	const file2 = new File({
+		id: 1,
+		source: 'https://cloud.domain.com/remote.php/dav/files/admin/foobar.txt',
+		owner: 'admin',
+		mime: 'text/plain',
+		permissions: Permission.ALL,
+		attributes: {
+			'is-mount-root': true,
+			'mount-type': 'shared',
+		},
+	})
+
+	const folder = new Folder({
+		id: 1,
+		source: 'https://cloud.domain.com/remote.php/dav/files/admin/Foo',
+		owner: 'admin',
+		mime: 'text/plain',
+		permissions: Permission.ALL,
+	})
+
+	const folder2 = new Folder({
+		id: 1,
+		source: 'https://cloud.domain.com/remote.php/dav/files/admin/Foo',
+		owner: 'admin',
+		mime: 'text/plain',
+		permissions: Permission.ALL,
+		attributes: {
+			'is-mount-root': true,
+			'mount-type': 'shared',
+		},
+	})
+
+	const folder3 = new Folder({
+		id: 1,
+		source: 'https://cloud.domain.com/remote.php/dav/files/admin/Foo',
+		owner: 'admin',
+		mime: 'text/plain',
+		permissions: Permission.ALL,
+		attributes: {
+			'is-mount-root': true,
+			'mount-type': 'external',
+		},
+	})
 
 	test('Default values', () => {
 		expect(action).toBeInstanceOf(FileAction)
 		expect(action.id).toBe('delete')
-		expect(action.displayName([file], view)).toBe('Delete')
+		expect(action.displayName([file], view)).toBe('Delete file')
 		expect(action.iconSvgInline([], view)).toBe('<svg>SvgMock</svg>')
 		expect(action.default).toBeUndefined()
 		expect(action.order).toBe(100)
 	})
 
-	test('Default trashbin view values', () => {
+	test('Default folder displayName', () => {
+		expect(action.displayName([folder], view)).toBe('Delete folder')
+	})
+
+	test('Default trashbin view displayName', () => {
 		expect(action.displayName([file], trashbinView)).toBe('Delete permanently')
 	})
 
-	// TODO: Fix this test
-	// test('Shared node values', () => {
-	// 	jest.spyOn(auth, 'getCurrentUser').mockReturnValue(null)
-	// 	expect(action.displayName([file2], view)).toBe('Unshare')
-	// })
+	test('Shared root node displayName', () => {
+		expect(action.displayName([file2], view)).toBe('Leave this share')
+		expect(action.displayName([folder2], view)).toBe('Leave this share')
+		expect(action.displayName([file2, folder2], view)).toBe('Leave these shares')
+	})
 
-	// test('Shared and owned nodes values', () => {
-	// 	expect(action.displayName([file, file2], view)).toBe('Delete and unshare')
-	// })
+	test('External storage root node displayName', () => {
+		expect(action.displayName([folder3], view)).toBe('Disconnect storage')
+		expect(action.displayName([folder3, folder3], view)).toBe('Disconnect storages')
+	})
+
+	test('Shared and owned nodes displayName', () => {
+		expect(action.displayName([file, file2], view)).toBe('Delete and unshare')
+	})
 })
 
 describe('Delete action enabled tests', () => {

apps/files/src/actions/deleteAction.ts

@@ -20,21 +20,102 @@
  *
  */
 import { emit } from '@nextcloud/event-bus'
-import { Permission, Node, View, FileAction } from '@nextcloud/files'
-import { translate as t } from '@nextcloud/l10n'
+import { Permission, Node, View, FileAction, FileType } from '@nextcloud/files'
+import { translate as t, translatePlural as n } from '@nextcloud/l10n'
 import axios from '@nextcloud/axios'
+
+import CloseSvg from '@mdi/svg/svg/close.svg?raw'
+import NetworkOffSvg from '@mdi/svg/svg/network-off.svg?raw'
 import TrashCanSvg from '@mdi/svg/svg/trash-can.svg?raw'
 
 import logger from '../logger.js'
 
+const canUnshareOnly = (nodes: Node[]) => {
+	return nodes.every(node => node.attributes['is-mount-root'] === true
+		&& node.attributes['mount-type'] === 'shared')
+}
+
+const canDisconnectOnly = (nodes: Node[]) => {
+	return nodes.every(node => node.attributes['is-mount-root'] === true
+		&& node.attributes['mount-type'] === 'external')
+}
+
+const isMixedUnshareAndDelete = (nodes: Node[]) => {
+	if (nodes.length === 1) {
+		return false
+	}
+
+	const hasSharedItems = nodes.some(node => canUnshareOnly([node]))
+	const hasDeleteItems = nodes.some(node => !canUnshareOnly([node]))
+	return hasSharedItems && hasDeleteItems
+}
+
+const isAllFiles = (nodes: Node[]) => {
+	return !nodes.some(node => node.type !== FileType.File)
+}
+
+const isAllFolders = (nodes: Node[]) => {
+	return !nodes.some(node => node.type !== FileType.Folder)
+}
+
 export const action = new FileAction({
 	id: 'delete',
 	displayName(nodes: Node[], view: View) {
-		return view.id === 'trashbin'
-			? t('files', 'Delete permanently')
-			: t('files', 'Delete')
+		/**
+		 * If we're in the trashbin, we can only delete permanently
+		 */
+		if (view.id === 'trashbin') {
+			return t('files', 'Delete permanently')
+		}
+
+		/**
+		 * If we're in the sharing view, we can only unshare
+		 */
+		if (isMixedUnshareAndDelete(nodes)) {
+			return t('files', 'Delete and unshare')
+		}
+
+		/**
+		 * If those nodes are all the root node of a
+		 * share, we can only unshare them.
+		 */
+		if (canUnshareOnly(nodes)) {
+			return n('files', 'Leave this share', 'Leave these shares', nodes.length)
+		}
+
+		/**
+		 * If those nodes are all the root node of an
+		 * external storage, we can only disconnect it.
+		 */
+		if (canDisconnectOnly(nodes)) {
+			return n('files', 'Disconnect storage', 'Disconnect storages', nodes.length)
+		}
+
+		/**
+		 * If we're only selecting files, use proper wording
+		 */
+		if (isAllFiles(nodes)) {
+		 return n('files', 'Delete file', 'Delete files', nodes.length)
+		}
+
+		/**
+		 * If we're only selecting folders, use proper wording
+		 */
+		if (isAllFolders(nodes)) {
+			return n('files', 'Delete folder', 'Delete folders', nodes.length)
+		}
+
+		return t('files', 'Delete')
 	},
-	iconSvgInline: () => {
+	iconSvgInline: (nodes: Node[]) => {
+		if (canUnshareOnly(nodes)) {
+			return CloseSvg
+		}
+
+		if (canDisconnectOnly(nodes)) {
+			return NetworkOffSvg
+		}
+
 		return TrashCanSvg
 	},
 

apps/files/src/init.ts

@@ -66,5 +66,6 @@ registerRecentView()
 registerPreviewServiceWorker()
 
 registerDavProperty('nc:hidden', { nc: 'http://nextcloud.org/ns' })
+registerDavProperty('nc:is-mount-root', { nc: 'http://nextcloud.org/ns' })
 
 initLivePhotos()

apps/files_sharing/src/init.ts

@@ -20,6 +20,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
+import { registerDavProperty } from '@nextcloud/files'
 import registerSharingViews from './views/shares'
 
 import './actions/acceptShareAction'
@@ -29,3 +30,7 @@ import './actions/restoreShareAction'
 import './actions/sharingStatusAction'
 
 registerSharingViews()
+
+registerDavProperty('nc:share-attributes', { nc: 'http://nextcloud.org/ns' })
+registerDavProperty('oc:share-types', { oc: 'http://owncloud.org/ns' })
+registerDavProperty('ocs:share-permissions', { ocs: 'http://open-collaboration-services.org/ns' })