Add UserConfigChangedEvent to fire whenever a user config value is changed

lib/composer/composer/autoload_classmap.php

@@ -866,6 +866,7 @@
     'OCP\\User\\Events\\PasswordUpdatedEvent' => $baseDir . '/lib/public/User/Events/PasswordUpdatedEvent.php',
     'OCP\\User\\Events\\PostLoginEvent' => $baseDir . '/lib/public/User/Events/PostLoginEvent.php',
     'OCP\\User\\Events\\UserChangedEvent' => $baseDir . '/lib/public/User/Events/UserChangedEvent.php',
+    'OCP\\User\\Events\\UserConfigChangedEvent' => $baseDir . '/lib/public/User/Events/UserConfigChangedEvent.php',
     'OCP\\User\\Events\\UserCreatedEvent' => $baseDir . '/lib/public/User/Events/UserCreatedEvent.php',
     'OCP\\User\\Events\\UserDeletedEvent' => $baseDir . '/lib/public/User/Events/UserDeletedEvent.php',
     'OCP\\User\\Events\\UserFirstTimeLoggedInEvent' => $baseDir . '/lib/public/User/Events/UserFirstTimeLoggedInEvent.php',

lib/composer/composer/autoload_static.php

@@ -899,6 +899,7 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
         'OCP\\User\\Events\\PasswordUpdatedEvent' => __DIR__ . '/../../..' . '/lib/public/User/Events/PasswordUpdatedEvent.php',
         'OCP\\User\\Events\\PostLoginEvent' => __DIR__ . '/../../..' . '/lib/public/User/Events/PostLoginEvent.php',
         'OCP\\User\\Events\\UserChangedEvent' => __DIR__ . '/../../..' . '/lib/public/User/Events/UserChangedEvent.php',
+        'OCP\\User\\Events\\UserConfigChangedEvent' => __DIR__ . '/../../..' . '/lib/public/User/Events/UserConfigChangedEvent.php',
         'OCP\\User\\Events\\UserCreatedEvent' => __DIR__ . '/../../..' . '/lib/public/User/Events/UserCreatedEvent.php',
         'OCP\\User\\Events\\UserDeletedEvent' => __DIR__ . '/../../..' . '/lib/public/User/Events/UserDeletedEvent.php',
         'OCP\\User\\Events\\UserFirstTimeLoggedInEvent' => __DIR__ . '/../../..' . '/lib/public/User/Events/UserFirstTimeLoggedInEvent.php',

lib/private/AllConfig.php

@@ -11,6 +11,8 @@
 use OCP\IConfig;
 use OCP\IDBConnection;
 use OCP\PreConditionNotMetException;
+use OCP\EventDispatcher\IEventDispatcher;
+use OCP\User\Events\UserConfigChangedEvent;
 
 /**
  * Class to combine all the configuration options ownCloud offers
@@ -256,6 +258,7 @@ public function setUserValue($userId, $appName, $key, $value, $preCondition = nu
 				$qb->executeStatement();
 
 				$this->userCache[$userId][$appName][$key] = (string)$value;
+				$this->triggerUserValueChange($userId, $appName, $key, $value, $prevValue);
 				return;
 			}
 		}
@@ -282,6 +285,14 @@ public function setUserValue($userId, $appName, $key, $value, $preCondition = nu
 			}
 			$this->userCache[$userId][$appName][$key] = (string)$value;
 		}
+		$this->triggerUserValueChange($userId, $appName, $key, $value, $prevValue);
+	}
+
+	private function triggerUserValueChange($userId, $appId, $key, $value, $oldValue = null) {
+		if (\OC::$server instanceof \OCP\IServerContainer) {
+			$dispatcher = \OC::$server->get(IEventDispatcher::class);
+			$dispatcher->dispatchTyped(new UserConfigChangedEvent($userId, $appId, $key, $value, $oldValue));
+		}
 	}
 
 	/**

lib/public/User/Events/UserConfigChangedEvent.php

@@ -0,0 +1,98 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2023 Murena SAS <akhil.potukuchi.ext@murena.com>
+ *
+ * @author Murena SAS <akhil.potukuchi.ext@murena.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCP\User\Events;
+
+use OCP\EventDispatcher\Event;
+
+/**
+ * @since 31.0.0
+ */
+
+class UserConfigChangedEvent extends Event {
+	private string $userId;
+	private string $appId;
+	private string $key;
+	private mixed $value;
+	private mixed $oldValue;
+
+	/**
+	 * @since 31.0.0
+	 */
+
+	public function __construct(string $userId,
+		string $appId,
+		string $key,
+		mixed $value,
+		mixed $oldValue = null) {
+		parent::__construct();
+		$this->userId = $userId;
+		$this->appId = $appId;
+		$this->key = $key;
+		$this->value = $value;
+		$this->oldValue = $oldValue;
+	}
+
+	/**
+	 * @return string
+	 * @since 31.0.0
+	 */
+	public function getUserId(): string {
+		return $this->userId;
+	}
+
+	/**
+	 * @return string
+	 * @since 31.0.0
+	 */
+	public function getAppId(): string {
+		return $this->appId;
+	}
+
+	/**
+	 * @return string
+	 * @since 31.0.0
+	 */
+	public function getKey(): string {
+		return $this->key;
+	}
+
+	/**
+	 * @return mixed
+	 * @since 31.0.0
+	 */
+	public function getValue() {
+		return $this->value;
+	}
+
+	/**
+	 * @return mixed
+	 * @since 31.0.0
+	 */
+	public function getOldValue() {
+		return $this->oldValue;
+	}
+}