Delete avatar if a user is deleted

Signed-off-by: Julius Härtl <jus@bitgrid.net>

Author: juliusknorr

lib/private/Avatar/AvatarManager.php

@@ -35,6 +35,7 @@
 use OC\User\Manager;
 use OCP\Files\IAppData;
 use OCP\Files\NotFoundException;
+use OCP\Files\NotPermittedException;
 use OCP\IAvatar;
 use OCP\IAvatarManager;
 use OCP\IConfig;
@@ -125,6 +126,20 @@ public function clearCachedAvatars() {
 		}
 	}
 
+	/**
+	 * @param string $userId
+	 * @throws NotPermittedException
+	 */
+	public function deleteUserAvatar(string $userId) {
+		try {
+			$folder = $this->appData->getFolder($userId);
+			$folder->delete();
+		} catch (NotFoundException $e) {
+			$this->logger->debug("No cache for the user $userId. Ignoring...");
+		}
+		$this->config->deleteUserValue($userId, 'avatar', 'generated');
+	}
+
 	/**
 	 * Returns a GuestAvatar.
 	 *

lib/private/User/User.php

@@ -35,6 +35,7 @@
 namespace OC\User;
 
 use OC\Accounts\AccountManager;
+use OC\Avatar\AvatarManager;
 use OC\Files\Cache\Storage;
 use OC\Hooks\Emitter;
 use OC_Helper;
@@ -237,6 +238,10 @@ public function delete() {
 			\OC::$server->getCommentsManager()->deleteReferencesOfActor('users', $this->uid);
 			\OC::$server->getCommentsManager()->deleteReadMarksFromUser($this);
 
+			/** @var IAvatarManager $avatarManager */
+			$avatarManager = \OC::$server->query(AvatarManager::class);
+			$avatarManager->deleteUserAvatar($this->uid);
+
 			$notification = \OC::$server->getNotificationManager()->createNotification();
 			$notification->setUser($this->uid);
 			\OC::$server->getNotificationManager()->markProcessed($notification);