1 files changed, 22 insertions, 3 deletions
diff --git a/lib/Service/Exceptions/ServiceException.php b/lib/Service/Exceptions/ServiceException.php
index c5ddddbd9..69b963ab6 100644
--- a/lib/Service/Exceptions/ServiceException.php
+++ b/lib/Service/Exceptions/ServiceException.php
@@ -13,16 +13,35 @@
 
 namespace OCA\News\Service\Exceptions;
 
-class ServiceException extends \Exception
+use Exception;
+use OCP\AppFramework\Db\IMapperException;
+
+/**
+ * Class ServiceException
+ *
+ * @package OCA\News\Service\Exceptions
+ */
+abstract class ServiceException extends Exception
 {
 
     /**
      * Constructor
      *
      * @param string $msg the error message
+     * @param int    $code
+     * @param Exception|null   $previous
      */
-    public function __construct(string $msg)
+    final public function __construct(string $msg, int $code = 0, ?Exception $previous = null)
     {
-        parent::__construct($msg);
+        parent::__construct($msg, $code, $previous);
     }
+
+    /**
+     * Create exception from Mapper exception.
+     *
+     * @param IMapperException|Exception $exception Existing exception
+     *
+     * @return static
+     */
+    abstract public static function from(IMapperException $exception): ServiceException;
 }