136 lines
4.3 KiB
PHP
136 lines
4.3 KiB
PHP
<?php
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/**
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* Kolab storage cache class for configuration objects
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*
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* @author Thomas Bruederli <bruederli@kolabsys.com>
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*
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* Copyright (C) 2013, Kolab Systems AG <contact@kolabsys.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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class kolab_storage_cache_configuration extends kolab_storage_cache
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{
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protected $extra_cols = array('type');
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/**
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* Helper method to convert the given Kolab object into a dataset to be written to cache
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*
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* @override
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*/
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protected function _serialize($object)
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{
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$this->set_data_props($object['type']);
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$sql_data = parent::_serialize($object);
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$sql_data['type'] = $object['type'];
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return $sql_data;
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}
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/**
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* Helper method to convert database record to the given Kolab object
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*
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* @override
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*/
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protected function _unserialize($sql_arr)
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{
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$this->set_data_props($sql_arr['type']);
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return parent::_unserialize($sql_arr);
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}
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/**
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* Select Kolab objects filtered by the given query
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*
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* @param array Pseudo-SQL query as list of filter parameter triplets
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* @param boolean Set true to only return UIDs instead of complete objects
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* @param boolean Use fast mode to fetch only minimal set of information
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* (no xml fetching and parsing, etc.)
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*
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* @return array List of Kolab data objects (each represented as hash array) or UIDs
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*/
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public function select($query = array(), $uids = false, $fast = false)
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{
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// modify query for IMAP search: query param 'type' is actually a subtype
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if (!$this->ready) {
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foreach ($query as $i => $tuple) {
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if ($tuple[0] == 'type') {
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$tuple[2] = 'configuration.' . $tuple[2];
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$query[$i] = $tuple;
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}
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}
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}
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return parent::select($query, $uids, $fast);
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}
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/**
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* Helper method to compose a valid SQL query from pseudo filter triplets
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*/
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protected function _sql_where($query)
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{
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if (is_array($query)) {
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foreach ($query as $idx => $param) {
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// convert category filter
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if ($param[0] == 'category') {
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$param[2] = array_map(function($n) { return 'category:' . $n; }, (array) $param[2]);
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$query[$idx][0] = 'tags';
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$query[$idx][2] = count($param[2]) > 1 ? $param[2] : $param[2][0];
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}
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// convert member filter (we support only = operator with single value)
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else if ($param[0] == 'member') {
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$query[$idx][0] = 'words';
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$query[$idx][1] = '~';
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$query[$idx][2] = '^' . $param[2] . '$';
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}
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}
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}
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return parent::_sql_where($query);
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}
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/**
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* Set $data_props property depending on object type
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*/
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protected function set_data_props($type)
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{
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switch ($type) {
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case 'dictionary':
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$this->data_props = array('language', 'e');
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break;
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case 'file_driver':
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$this->data_props = array('driver', 'title', 'enabled', 'host', 'port', 'username', 'password');
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break;
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case 'relation':
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// Note: Because relations are heavily used, for performance reasons
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// we store all properties for them
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$this->data_props = array('name', 'category', 'color', 'parent', 'iconName', 'priority', 'members');
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break;
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case 'snippet':
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$this->data_props = array('name');
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break;
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case 'category':
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default:
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// TODO: implement this
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$this->data_props = array();
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}
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}
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}
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