fix(files_trashbin): disable bulk download for trashbin

The backend does not allow bulk download within the trashbin,
so we need to disable this also on the frontend.

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

Author: susnux

apps/files/src/actions/downloadAction.ts

@@ -19,8 +19,9 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
+import type { Node, View } from '@nextcloud/files'
 import { generateUrl } from '@nextcloud/router'
-import { FileAction, Permission, Node, FileType, View, DefaultType } from '@nextcloud/files'
+import { FileAction, Permission, FileType, DefaultType } from '@nextcloud/files'
 import { translate as t } from '@nextcloud/l10n'
 import ArrowDownSvg from '@mdi/svg/svg/arrow-down.svg?raw'
 
@@ -110,7 +111,7 @@ export const action = new FileAction({
 	displayName: () => t('files', 'Download'),
 	iconSvgInline: () => ArrowDownSvg,
 
-	enabled(nodes: Node[]) {
+	enabled(nodes: Node[], view: View) {
 		if (nodes.length === 0) {
 			return false
 		}
@@ -123,6 +124,11 @@ export const action = new FileAction({
 			return false
 		}
 
+		// Trashbin does not allow batch download
+		if (nodes.length > 1 && view.id === 'trashbin') {
+			return false
+		}
+
 		return nodes.every(isDownloadable)
 	},
 

cypress/e2e/files/FilesUtils.ts

@@ -20,6 +20,19 @@
  *
  */
 
+import type { User } from '@nextcloud/cypress'
+
+export const selectAllFiles = () => {
+	cy.get('[data-cy-files-list-selection-checkbox]')
+		.findByRole('checkbox', { checked: false })
+		.click({ force: true })
+}
+export const deselectAllFiles = () => {
+	cy.get('[data-cy-files-list-selection-checkbox]')
+		.findByRole('checkbox', { checked: true })
+		.click({ force: true })
+}
+
 export const getRowForFileId = (fileid: number) => cy.get(`[data-cy-files-list-row-fileid="${fileid}"]`)
 export const getRowForFile = (filename: string) => cy.get(`[data-cy-files-list-row-name="${CSS.escape(filename)}"]`)
 
@@ -181,3 +194,93 @@ export const clickOnBreadcrumbs = (label: string) => {
 	cy.get('[data-cy-files-content-breadcrumbs]').contains(label).click()
 	cy.wait('@propfind')
 }
+
+/**
+ * Check validity of an input element
+ * @param validity The expected validity message (empty string means it is valid)
+ * @example
+ * ```js
+ * cy.findByRole('textbox')
+ *     .should(haveValidity(/must not be empty/i))
+ * ```
+ */
+export const haveValidity = (validity: string | RegExp) => {
+	if (typeof validity === 'string') {
+		return (el: JQuery<HTMLElement>) => expect((el.get(0) as HTMLInputElement).validationMessage).to.equal(validity)
+	}
+	return (el: JQuery<HTMLElement>) => expect((el.get(0) as HTMLInputElement).validationMessage).to.match(validity)
+}
+
+export const deleteFileWithRequest = (user: User, path: string) => {
+	// Ensure path starts with a slash and has no double slashes
+	path = `/${path}`.replace(/\/+/g, '/')
+
+	cy.request('/csrftoken').then(({ body }) => {
+		const requestToken = body.token
+		cy.request({
+			method: 'DELETE',
+			url: `${Cypress.env('baseUrl')}/remote.php/dav/files/${user.userId}${path}`,
+			auth: {
+				user: user.userId,
+				password: user.password,
+			},
+			headers: {
+				requestToken,
+			},
+			retryOnStatusCodeFailure: true,
+		})
+	})
+}
+
+export const triggerFileListAction = (actionId: string) => {
+	cy.get(`button[data-cy-files-list-action="${CSS.escape(actionId)}"]`).last()
+		.should('exist').click({ force: true })
+}
+
+export const reloadCurrentFolder = () => {
+	cy.intercept('PROPFIND', /\/remote.php\/dav\//).as('propfind')
+	cy.get('[data-cy-files-content-breadcrumbs]').findByRole('button', { description: 'Reload current directory' }).click()
+	cy.wait('@propfind')
+}
+
+/**
+ * Enable the grid mode for the files list.
+ * Will fail if already enabled!
+ */
+export function enableGridMode() {
+	cy.intercept('**/apps/files/api/v1/config/grid_view').as('setGridMode')
+	cy.findByRole('button', { name: 'Switch to grid view' })
+		.should('be.visible')
+		.click()
+	cy.wait('@setGridMode')
+}
+
+/**
+ * Calculate the needed viewport height to limit the visible rows of the file list.
+ * Requires a logged in user.
+ *
+ * @param rows The number of rows that should be displayed at the same time
+ */
+export function calculateViewportHeight(rows: number): Cypress.Chainable<number> {
+	cy.visit('/apps/files')
+
+	return cy.get('[data-cy-files-list]')
+		.should('be.visible')
+		.then((filesList) => {
+			const windowHeight = Cypress.$('body').outerHeight()!
+			// Size of other page elements
+			const outerHeight = Math.ceil(windowHeight - filesList.outerHeight()!)
+			// Size of before and filters
+			const beforeHeight = Math.ceil(Cypress.$('.files-list__before').outerHeight()!)
+			const filterHeight = Math.ceil(Cypress.$('.files-list__filters').outerHeight()!)
+			// Size of the table header
+			const tableHeaderHeight = Math.ceil(Cypress.$('[data-cy-files-list-thead]').outerHeight()!)
+			// table row height
+			const rowHeight = Math.ceil(Cypress.$('[data-cy-files-list-tbody] tr').outerHeight()!)
+
+			// sum it up
+			const viewportHeight = outerHeight + beforeHeight + filterHeight + tableHeaderHeight + rows * rowHeight
+			cy.log(`Calculated viewport height: ${viewportHeight} (${outerHeight} + ${beforeHeight} + ${filterHeight} + ${tableHeaderHeight} + ${rows} * ${rowHeight})`)
+			return cy.wrap(viewportHeight)
+		})
+}

cypress/e2e/files_trashbin/files.cy.ts

@@ -0,0 +1,70 @@
+/*!
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import type { User } from '@nextcloud/cypress'
+
+// @ts-expect-error package has wrong typings
+import { deleteDownloadsFolderBeforeEach } from 'cypress-delete-downloads-folder'
+import { deleteFileWithRequest, getRowForFileId, selectAllFiles, triggerActionForFileId } from '../files/FilesUtils.ts'
+
+describe('files_trashbin: download files', { testIsolation: true }, () => {
+	let user: User
+	const fileids: number[] = []
+
+	deleteDownloadsFolderBeforeEach()
+
+	before(() => {
+		cy.createRandomUser().then(($user) => {
+			user = $user
+
+			cy.uploadContent(user, new Blob(['<content>']), 'text/plain', '/file.txt')
+				.then(({ headers }) => fileids.push(Number.parseInt(headers['oc-fileid'])))
+				.then(() => deleteFileWithRequest(user, '/file.txt'))
+			cy.uploadContent(user, new Blob(['<content>']), 'text/plain', '/other-file.txt')
+				.then(({ headers }) => fileids.push(Number.parseInt(headers['oc-fileid'])))
+				.then(() => deleteFileWithRequest(user, '/other-file.txt'))
+		})
+	})
+
+	beforeEach(() => {
+		cy.login(user)
+		cy.visit('/apps/files/trashbin')
+	})
+
+	it('can download file', () => {
+		getRowForFileId(fileids[0]).should('be.visible')
+		getRowForFileId(fileids[1]).should('be.visible')
+
+		triggerActionForFileId(fileids[0], 'download')
+
+		const downloadsFolder = Cypress.config('downloadsFolder')
+		cy.readFile(`${downloadsFolder}/file.txt`, { timeout: 15000 })
+			.should('exist')
+			.and('have.length.gt', 8)
+			.and('equal', '<content>')
+	})
+
+	it('can download a file using default action', () => {
+		getRowForFileId(fileids[0])
+			.should('be.visible')
+			.findByRole('button', { name: 'Download' })
+			.click({ force: true })
+
+		const downloadsFolder = Cypress.config('downloadsFolder')
+		cy.readFile(`${downloadsFolder}/file.txt`, { timeout: 15000 })
+			.should('exist')
+			.and('have.length.gt', 8)
+			.and('equal', '<content>')
+	})
+
+	// TODO: Fix this as this dependens on the webdav zip folder plugin not working for trashbin (and never worked with old NC legacy download ajax as well)
+	it('does not offer bulk download', () => {
+		cy.get('[data-cy-files-list-row-checkbox]').should('have.length', 2)
+		selectAllFiles()
+		cy.get('.files-list__selected').should('have.text', '2 selected')
+		cy.get('[data-cy-files-list-selection-action="restore"]').should('be.visible')
+		cy.get('[data-cy-files-list-selection-action="download"]').should('not.exist')
+	})
+})