Generate backups code notification if not enable but 2fa is

Generate a notification to generate backup codes if you enable an other
2FA provider but backup codes are not yet generated.

* Add event listner
* Insert background job
* Background job tests and emits notification every 2 weeks
* If the backup codes are generated the next run will remove the job

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

1 files changed, 28 insertions, 0 deletions

diff --git a/apps/twofactor_backupcodes/lib/AppInfo/Application.php b/apps/twofactor_backupcodes/lib/AppInfo/Application.php
index d2541d87627..1af114a2791 100644
--- a/apps/twofactor_backupcodes/lib/AppInfo/Application.php
+++ b/apps/twofactor_backupcodes/lib/AppInfo/Application.php
@@ -29,8 +29,14 @@ use OCA\TwoFactorBackupCodes\Db\BackupCodeMapper;
 use OCA\TwoFactorBackupCodes\Event\CodesGenerated;
 use OCA\TwoFactorBackupCodes\Listener\ActivityPublisher;
 use OCA\TwoFactorBackupCodes\Listener\IListener;
+use OCA\TwoFactorBackupCodes\Listener\ProviderEnabled;
 use OCA\TwoFactorBackupCodes\Listener\RegistryUpdater;
+use OCA\TwoFactorBackupCodes\Notifications\Notifier;
 use OCP\AppFramework\App;
+use OCP\Authentication\TwoFactorAuth\IRegistry;
+use OCP\Authentication\TwoFactorAuth\RegistryEvent;
+use OCP\IL10N;
+use OCP\Notification\IManager;
 use OCP\Util;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 
@@ -44,6 +50,7 @@ class Application extends App {
 	 */
 	public function register() {
 		$this->registerHooksAndEvents();
+		$this->registerNotification();
 	}
 
 	/**
@@ -66,6 +73,27 @@ class Application extends App {
 				$listener->handle($event);
 			}
 		});
+
+		$eventDispatcher->addListener(IRegistry::EVENT_PROVIDER_ENABLED, function(RegistryEvent $event) use ($container) {
+			/** @var IListener $listener */
+			$listener = $container->query(ProviderEnabled::class);
+			$listener->handle($event);
+		});
+	}
+
+	public function registerNotification() {
+		$container = $this->getContainer();
+		/** @var IManager $manager */
+		$manager = $container->query(IManager::class);
+		$manager->registerNotifier(
+			function() use ($container) {
+				return $container->query(Notifier::class);
+			},
+			function () use ($container) {
+				$l = $container->query(IL10N::class);
+				return ['id' => 'twofactor_backupcodes', 'name' => $l->t('Second-factor backup codes')];
+			}
+		);
 	}
 
 	public function deleteUser($params) {