using isAvailable()

Signed-off-by: Maxence Lange <maxence@artificial-owl.com>

lib/AppInfo/Application.php

@@ -24,6 +24,7 @@
 namespace OCA\Deck\AppInfo;
 
 use Exception;
+use OC\FullTextSearch\FullTextSearchManager;
 use OCA\Deck\Activity\CommentEventHandler;
 use OCA\Deck\Db\Acl;
 use OCA\Deck\Db\AclMapper;
@@ -36,6 +37,7 @@ use OCP\AppFramework\App;
 use OCA\Deck\Middleware\SharingMiddleware;
 use OCP\Collaboration\Resources\IManager;
 use OCP\Comments\CommentsEntityEvent;
+use OCP\FullTextSearch\IFullTextSearchManager;
 use OCP\IGroup;
 use OCP\IUser;
 use OCP\IUserManager;
@@ -50,6 +52,9 @@ class Application extends App {
 	/** @var FullTextSearchService */
 	private $fullTextSearchService;
 
+	/** @var IFullTextSearchManager */
+	private $fullTextSearchManager;
+
 
 	/**
 	 * Application constructor.
@@ -191,17 +196,22 @@ class Application extends App {
 	}
 
 	public function registerFullTextSearch() {
-		if (Util::getVersion()[0] < 16 || !\OC::$server->getAppManager()->isEnabledForUser('fulltextsearch')) {
+		if (Util::getVersion()[0] < 16) {
 			return;
 		}
 
 		$c = $this->getContainer();
 		try {
 			$this->fullTextSearchService = $c->query(FullTextSearchService::class);
+			$this->fullTextSearchManager = $c->query(FullTextSearchManager::class);
 		} catch (Exception $e) {
 			return;
 		}
 
+		if (!$this->fullTextSearchManager->isAvailable()) {
+			return;
+		}
+
 		$eventDispatcher = \OC::$server->getEventDispatcher();
 		$eventDispatcher->addListener(
 			'\OCA\Deck\Card::onCreate', function(GenericEvent $e) {