kolab_storage_cache_file.php
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kolab_storage_cache_file.php
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	<?php

	/**
	* Kolab storage cache class for file objects
	*
	* @author Thomas Bruederli <bruederli@kolabsys.com>
	*
	* Copyright (C) 2013, Kolab Systems AG <contact@kolabsys.com>
	*
	* This program is free software: you can redistribute it and/or modify
	* it under the terms of the GNU Affero General Public License as
	* published by the Free Software Foundation, either version 3 of the
	* License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU Affero General Public License for more details.
	*
	* You should have received a copy of the GNU Affero General Public License
	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	*/

	class kolab_storage_cache_file extends kolab_storage_cache
	{
	protected $extra_cols = array('filename');

	/**
	* Helper method to convert the given Kolab object into a dataset to be written to cache
	*
	* @override
	*/
	protected function _serialize($object)
	{
	$sql_data = parent::_serialize($object);

	if (!empty($object['_attachments'])) {
	reset($object['_attachments']);
	$sql_data['filename'] = $object['_attachments'][key($object['_attachments'])]['name'];
	}

	return $sql_data;
	}
	}