DbUserGroupBackend: Properly utilize the insert and update capability

refs #8826

library/Icinga/Authentication/UserGroup/DbUserGroupBackend.php

@@ -3,6 +3,7 @@
 
 namespace Icinga\Authentication\UserGroup;
 
+use Icinga\Data\Filter\Filter;
 use Icinga\Repository\DbRepository;
 use Icinga\User;
 
@@ -24,6 +25,18 @@ class DbUserGroupBackend extends DbRepository implements UserGroupBackendInterfa
         )
     );
 
+    /**
+     * The statement columns being provided
+     *
+     * @var array
+     */
+    protected $statementColumns = array(
+        'group' => array(
+            'created_at'    => 'ctime',
+            'last_modified' => 'mtime'
+        )
+    );
+
     /**
      * The columns which are not permitted to be queried
      *
@@ -55,6 +68,31 @@ class DbUserGroupBackend extends DbRepository implements UserGroupBackendInterfa
         }
     }
 
+    /**
+     * Insert a table row with the given data
+     *
+     * @param   string  $table
+     * @param   array   $bind
+     */
+    public function insert($table, array $bind)
+    {
+        $bind['created_at'] = date('Y-m-d H:i:s');
+        parent::insert($table, $bind);
+    }
+
+    /**
+     * Update table rows with the given data, optionally limited by using a filter
+     *
+     * @param   string  $table
+     * @param   array   $bind
+     * @param   Filter  $filter
+     */
+    public function update($table, array $bind, Filter $filter = null)
+    {
+        $bind['last_modified'] = date('Y-m-d H:i:s');
+        parent::update($table, $bind, $filter);
+    }
+
     /**
      * Return the groups the given user is a member of
      *