[stable18] Revive the "send email to new users" toggle for the user form

apps/provisioning_api/lib/Controller/UsersController.php

@@ -335,7 +335,7 @@ public function addUser(string $userid,
 			}
 
 			// Send new user mail only if a mail is set
-			if ($email !== '') {
+			if ($email !== '' && $this->config->getAppValue('core', 'newUser.sendEmail', 'yes') === 'yes') {
 				$newUser->setEMailAddress($email);
 				try {
 					$emailTemplate = $this->newUserMailHelper->generateTemplate($newUser, $generatePasswordResetToken);

apps/settings/appinfo/routes.php

@@ -70,6 +70,7 @@
 		['name' => 'Users#getVerificationCode', 'url' => '/settings/users/{account}/verify', 'verb' => 'GET'],
 		['name' => 'Users#usersList', 'url' => '/settings/users', 'verb' => 'GET'],
 		['name' => 'Users#usersListByGroup', 'url' => '/settings/users/{group}', 'verb' => 'GET', 'requirements' => ['group' => '.+']],
+		['name' => 'Users#setPreference', 'url' => '/settings/users/preferences/{key}', 'verb' => 'POST'],
 		['name' => 'LogSettings#setLogLevel', 'url' => '/settings/admin/log/level', 'verb' => 'POST'],
 		['name' => 'LogSettings#getEntries', 'url' => '/settings/admin/log/entries', 'verb' => 'GET'],
 		['name' => 'LogSettings#download', 'url' => '/settings/admin/log/download', 'verb' => 'GET'],

apps/settings/lib/Controller/UsersController.php

@@ -68,11 +68,13 @@
 use OC\Encryption\Exceptions\ModuleDoesNotExistsException;
 use OC\ForbiddenException;
 use OC\Security\IdentityProof\Manager;
+use OCA\Settings\AppInfo\Application;
 use OCA\Settings\BackgroundJobs\VerifyUserData;
 use OCA\User_LDAP\User_Proxy;
 use OCP\App\IAppManager;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\Http\JSONResponse;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\BackgroundJob\IJobList;
 use OCP\Encryption\IManager;
@@ -85,6 +87,7 @@
 use OCP\IUserSession;
 use OCP\L10N\IFactory;
 use OCP\Mail\IMailer;
+use function in_array;
 
 class UsersController extends Controller {
 	/** @var IUserManager */
@@ -276,10 +279,28 @@ public function usersList() {
 		$serverData['canChangePassword'] = $canChangePassword;
 		$serverData['newUserGenerateUserID'] = $this->config->getAppValue('core', 'newUser.generateUserID', 'no') === 'yes';
 		$serverData['newUserRequireEmail'] = $this->config->getAppValue('core', 'newUser.requireEmail', 'no') === 'yes';
+		$serverData['newUserSendEmail'] = $this->config->getAppValue('core', 'newUser.sendEmail', 'yes') === 'yes';
 
 		return new TemplateResponse('settings', 'settings-vue', ['serverData' => $serverData]);
 	}
 
+	/**
+	 * @param string $key
+	 * @param string $value
+	 *
+	 * @return JSONResponse
+	 */
+	public function setPreference(string $key, string $value): JSONResponse {
+		$allowed = ['newUser.sendEmail'];
+		if (!in_array($key, $allowed, true)) {
+			return new JSONResponse([], Http::STATUS_FORBIDDEN);
+		}
+
+		$this->config->setAppValue('core', $key, $value);
+
+		return new JSONResponse([]);
+	}
+
 	/**
 	 * check if the admin can change the users password
 	 *

apps/settings/src/views/Users.vue

@@ -72,6 +72,14 @@
 						class="checkbox">
 					<label for="showStoragePath">{{ t('settings', 'Show storage path') }}</label>
 				</div>
+				<div>
+					<input id="sendWelcomeMail"
+						v-model="sendWelcomeMail"
+						:disabled="loadingSendMail"
+						type="checkbox"
+						class="checkbox">
+					<label for="sendWelcomeMail">{{ t('settings', 'Send email to new user') }}</label>
+				</div>
 			</AppNavigationSettings>
 		</AppNavigation>
 		<AppContent>
@@ -85,6 +93,8 @@
 </template>
 
 <script>
+import axios from '@nextcloud/axios'
+import { generateUrl } from '@nextcloud/router'
 import Vue from 'vue'
 import VueLocalStorage from 'vue-localstorage'
 import {
@@ -127,6 +137,7 @@ export default {
 			externalActions: [],
 			showAddGroupEntry: false,
 			loadingAddGroup: false,
+			loadingSendMail: false,
 			showConfig: {
 				showStoragePath: false,
 				showUserBackend: false,
@@ -206,6 +217,26 @@ export default {
 
 		},
 
+		sendWelcomeMail: {
+			get() {
+				return this.settings.newUserSendEmail
+			},
+			async set(value) {
+				try {
+					this.loadingSendMail = true
+					this.$store.commit('setServerData', {
+						...this.settings,
+						newUserSendEmail: value,
+					})
+					await axios.post(generateUrl(`/settings/users/preferences/newUser.sendEmail`), { value: value ? 'yes' : 'no' })
+				} catch (e) {
+					console.error('could not update newUser.sendEmail preference: ' + e.message, e)
+				} finally {
+					this.loadingSendMail = false
+				}
+			},
+		},
+
 		// BUILD APP NAVIGATION MENU OBJECT
 		menu() {
 			// Data provided php side