Use the item functions at many more places

src/Model/User.php

@@ -65,6 +65,21 @@ class User
 		return $r;
 	}
 
+	/**
+	 * @brief Get owner data by nick name
+	 *
+	 * @param int $nick
+	 * @return boolean|array
+	 */
+	public static function getOwnerDataByNick($nick)
+	{
+		$user = dba::selectFirst('user', ['uid'], ['nickname' => $nick]);
+		if (!DBM::is_result($user)) {
+			return false;
+		}
+		return self::getOwnerDataById($user['uid']);
+	}
+
 	/**
 	 * @brief Returns the default group for a given user and network
 	 *