fix: Do not expire labeled versions

Signed-off-by: Louis Chemineau <louis@chmn.me>

cypress/e2e/files_versions/version_expiration.cy.ts

@@ -0,0 +1,75 @@
+/**
+ * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import type { User } from '@nextcloud/cypress'
+
+import { assertVersionContent, nameVersion, openVersionsPanel, uploadThreeVersions } from './filesVersionsUtils'
+import { addUserToGroup, createGroup, createGroupFolder, PERMISSION_DELETE, PERMISSION_READ, PERMISSION_WRITE } from '../groupfoldersUtils'
+import { navigateToFolder } from '../files/filesUtils'
+
+describe('Versions expiration', () => {
+	let randomGroupName: string
+	let randomGroupFolderName: string
+	let randomFileName: string
+	let randomFilePath: string
+	let user1: User
+
+	beforeEach(() => {
+		randomGroupName = Math.random().toString(36).replace(/[^a-z]+/g, '').substring(0, 10)
+		randomGroupFolderName = Math.random().toString(36).replace(/[^a-z]+/g, '').substring(0, 10)
+		randomFileName = Math.random().toString(36).replace(/[^a-z]+/g, '').substring(0, 10) + '.txt'
+		randomFilePath = `${randomGroupFolderName}/${randomFileName}`
+
+		cy.createRandomUser().then(_user => { user1 = _user })
+		createGroup(randomGroupName)
+
+		cy.then(() => {
+			addUserToGroup(randomGroupName, user1.userId)
+			createGroupFolder(randomGroupFolderName, randomGroupName, [PERMISSION_READ, PERMISSION_WRITE, PERMISSION_DELETE])
+
+			uploadThreeVersions(user1, randomFilePath)
+			cy.login(user1)
+		})
+
+		cy.visit('/apps/files')
+		navigateToFolder(randomGroupFolderName)
+		openVersionsPanel(randomFilePath)
+
+	})
+
+	it('Expire all versions', () => {
+		cy.runOccCommand('config:system:set versions_retention_obligation --value "0, 0"')
+		cy.runOccCommand('versions:expire')
+		cy.runOccCommand('config:system:set versions_retention_obligation --value auto')
+		cy.visit('/apps/files')
+		openVersionsPanel(randomFileName)
+
+		cy.get('#tab-version_vue').within(() => {
+			cy.get('[data-files-versions-version]').should('have.length', 1)
+			cy.get('[data-files-versions-version]').eq(0).contains('Current version')
+		})
+
+		assertVersionContent(0, 'v3')
+	})
+
+	it('Expire versions v2', () => {
+		nameVersion(2, 'v1')
+
+		cy.runOccCommand('config:system:set versions_retention_obligation --value "0, 0"')
+		cy.runOccCommand('versions:expire')
+		cy.runOccCommand('config:system:set versions_retention_obligation --value auto')
+		cy.visit('/apps/files')
+		openVersionsPanel(randomFileName)
+
+		cy.get('#tab-version_vue').within(() => {
+			cy.get('[data-files-versions-version]').should('have.length', 2)
+			cy.get('[data-files-versions-version]').eq(0).contains('Current version')
+			cy.get('[data-files-versions-version]').eq(1).contains('v1')
+		})
+
+		assertVersionContent(0, 'v3')
+		assertVersionContent(1, 'v1')
+	})
+})

lib/Versions/ExpireManager.php

@@ -117,6 +117,16 @@ public function getExpiredVersion(array $versions, int $time, bool $quotaExceede
 		});
 
 		$expired = array_filter($versionsLeft, function (IVersion $version) use ($quotaExceeded) {
+			// Do not expire current version.
+			if ($version->getTimestamp() === $version->getSourceFile()->getMtime()) {
+				return false;
+			}
+
+			// Do not expire versions with a label.
+			if ($version->getMetadataValue('label') !== null && $version->getMetadataValue('label') !== '') {
+				return false;
+			}
+
 			return $this->expiration->isExpired($version->getTimestamp(), $quotaExceeded);
 		});