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kolab_tags_backend.php
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kolab_tags_backend.php
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<?php
/**
* Kolab Tags backend
*
* @author Aleksander Machniak <machniak@kolabsys.com>
*
* Copyright (C) 2014, 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_tags_backend
{
private $tag_cols = array('name', 'category', 'color', 'parent', 'iconName', 'priority', 'members');
const O_TYPE = 'relation';
const O_CATEGORY = 'tag';
/**
* Tags list
*
* @param array $filter Search filter
*
* @return array List of tags
*/
public function list_tags($filter = array())
{
$config = kolab_storage_config::get_instance();
$default = true;
$filter[] = array('type', '=', self::O_TYPE);
$filter[] = array('category', '=', self::O_CATEGORY);
// for performance reasons assume there will be no more than 100 tags (per-folder)
return $config->get_objects($filter, $default, 100);
}
/**
* Create tag object
*
* @param array $tag Tag data
*
* @return boolean|array Tag data on success, False on failure
*/
public function create($tag)
{
$config = kolab_storage_config::get_instance();
$tag = array_intersect_key($tag, array_combine($this->tag_cols, $this->tag_cols));
$tag['category'] = self::O_CATEGORY;
// Create the object
$result = $config->save($tag, self::O_TYPE);
return $result ? $tag : false;
}
/**
* Update tag object
*
* @param array $tag Tag data
*
* @return boolean|array Tag data on success, False on failure
*/
public function update($tag)
{
// get tag object data, we need _mailbox
$list = $this->list_tags(array(array('uid', '=', $tag['uid'])));
$old_tag = $list[0];
if (!$old_tag) {
return false;
}
$config = kolab_storage_config::get_instance();
$tag = array_intersect_key($tag, array_combine($this->tag_cols, $this->tag_cols));
$tag = array_merge($old_tag, $tag);
// Update the object
$result = $config->save($tag, self::O_TYPE, $tag['uid']);
return $result ? $tag : false;
}
/**
* Remove tag object
*
* @param string $uid Object unique identifier
*
* @return boolean True on success, False on failure
*/
public function remove($uid)
{
$config = kolab_storage_config::get_instance();
return $config->delete($uid);
}
}

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