fix reorder position on folder and category removal

core/lib/Thelia/Model/Tools/PositionManagementTrait.php

@@ -201,8 +201,17 @@ trait PositionManagementTrait {
 
     protected function reorderBeforeDelete()
     {
-        $this->createQuery()
+        // Find DATABASE_NAME constant
-            ->filterByParent($this->getParent())
+        $mapClassName = self::TABLE_MAP;
-            ->update(array('Position' => '(position-1)'));
+
+        $sql = sprintf("UPDATE `%s` SET position=(position-1) WHERE parent=:parent AND position>:position", $mapClassName::TABLE_NAME);
+
+        $con = Propel::getConnection($mapClassName::DATABASE_NAME);
+        $statement = $con->prepare($sql);
+
+        $statement->execute(array(
+            ':parent' => $this->getParent(),
+            ':position' => $this->getPosition()
+        ));
     }
 }