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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/>.
/**
* Competency rule base.
*
* @package core_competency
* @copyright 2015 Frédéric Massart - FMCorz.net
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core_competency;
defined('MOODLE_INTERNAL') || die();
use coding_exception;
/**
* Competency rule base abstract class.
*
* Rules are attached to a competency and then tested against a user competency
* to determine whether or not it matches.
*
* @package core_competency
* @copyright 2015 Frédéric Massart - FMCorz.net
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class competency_rule {
/** @var competency The competency. */
protected $competency;
/**
* Constructor.
*
* @param competency $competency The competency.
*/
public function __construct(competency $competency) {
$class = $competency->get('ruletype');
if (!$class || !($this instanceof $class)) {
throw new coding_exception('This competency does not use this rule.');
}
$this->competency = $competency;
}
/**
* Get the rule config.
*
* @return mixed
*/
protected function get_config() {
return $this->competency->get('ruleconfig');
}
/**
* Whether or not the rule is matched.
*
* @param user_competency $usercompetency The user competency to test against.
* @return bool
*/
abstract public function matches(user_competency $usercompetency);
/**
* Validate the rule config.
*
* @param string $value The value to validate.
* @return bool
*/
abstract public function validate_config($value);
/**
* The name of the rule.
*
* @return lang_string
*/
public static function get_name() {
throw new coding_exception('Method not implemented.');
}
/**
* Migrate rule config from one set of competencies to another.
*
* Exceptions should be thrown when the migration can not be performed.
*
* @param string $config Original config rule of a competency.
* @param array $mappings Array that matches the original competency IDs with the new competencies objects.
* @return string New configuration.
* @throws Exception
*/
public static function migrate_config($config, $mappings) {
return $config;
}
}