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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Course module cm_info proxy.
*
* @package core_calendar
* @copyright 2017 Cameron Ball <cameron@cameron1729.xyz>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core_calendar\local\event\proxies;
defined('MOODLE_INTERNAL') || die();
/**
* Course module stdClass proxy.
*
* This implementation differs from the regular std_proxy in that it takes
* a module name and instance instead of an id to construct the proxied class.
*
* This is needed as the event table does not store the id of course modules
* instead it stores the module name and instance.
*
* @copyright 2017 Cameron Ball <cameron@cameron1729.xyz>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class cm_info_proxy implements proxy_interface {
/** @var \stdClass */
protected $base;
/** @var \cm_info */
protected $cm;
/**
* cm_info_proxy constructor.
*
* @param string $modname The module name.
* @param int $instance The module instance.
* @param int $courseid course id this module belongs to
*/
public function __construct($modname, $instance, $courseid) {
$this->base = (object)['course' => $courseid, 'modname' => $modname, 'instance' => $instance];
}
/**
* Retrieve a member of the proxied class.
*
* @param string $member The name of the member to retrieve
* @return mixed The member.
*/
public function get($member) {
if ($this->base && property_exists($this->base, $member)) {
return $this->base->{$member};
}
return $this->get_proxied_instance()->{$member};
}
/**
* Get the full instance of the proxied class.
*
* @return \stdClass
*/
public function get_proxied_instance() {
if (!$this->cm) {
$this->cm = get_fast_modinfo($this->base->course)->instances[$this->base->modname][$this->base->instance];
}
return $this->cm;
}
}