initialize groupbackend seperately

appinfo/app.php

@@ -2,3 +2,6 @@
 
 $userBackend = new OCA\user_wcf\User_WCF();
 \OC_User::useBackend($userBackend);
+
+$groupBackend = new OCA\user_wcf\Group_WCF();
+\OC::$server->getGroupManager()->addBackend($groupBackend);

appinfo/info.xml

@@ -6,9 +6,12 @@
 	<licence>AGPL</licence>
 	<author>Fritz Webering</author>
 	<require>5</require>
-	<shipped>true</shipped>
+	<version>1.0.0</version>
 	<types>
-        <type>authentication</type>
-        <type>prelogin</type>
+          <authentication/>
+          <prelogin/>
 	</types>
+	<dependencies>
+	  <nextcloud min-version="10" max-version="20"/>
+	</dependencies>
 </info>

appinfo/version

-0.2

group_wcf.php

@@ -19,8 +19,11 @@ namespace OCA\user_wcf;
 class Group_WCF extends \OC_Group_Backend {
     protected $db;
     
-    public function __construct($wcfPath, $authorizedGroups) {
+    public function __construct() {
+        require(\OC_App::getAppPath('user_wcf').'/config/config.php');
+        if (!file_exists($wcfPath) || !is_dir($wcfPath)) throw new \Exception('Not a valid WCF path: "'.$wcfPath.'"');
         $this->db = lib\WCF_DB::getInstance($wcfPath);
+        $this->db->setAuthorizedGroups($authorizedGroups);
     }
     /**
     * @brief Check if backend implements actions

user_wcf.php

@@ -26,9 +26,6 @@ class User_WCF extends \OC_User_Backend {
         if (!file_exists($wcfPath) || !is_dir($wcfPath)) throw new \Exception('Not a valid WCF path: "'.$wcfPath.'"');
         $this->db = lib\WCF_DB::getInstance($wcfPath);
         $this->db->setAuthorizedGroups($authorizedGroups);
-
-        $groupBackend = new Group_WCF($wcfPath, $authorizedGroups);
-        \OC_Group::useBackend($groupBackend);
     }
 
     public function getSupportedActions() {