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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Competency rule all.
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*
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* @package core_competency
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* @copyright 2015 Frédéric Massart - FMCorz.net
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace core_competency;
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defined('MOODLE_INTERNAL') || die();
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use lang_string;
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/**
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* Competency rule all class.
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*
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* This rule is considered matched when all the children of a competency are completed.
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*
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* @package core_competency
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* @copyright 2015 Frédéric Massart - FMCorz.net
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class competency_rule_all extends competency_rule {
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/**
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* Whether or not the rule is matched.
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*
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* @param user_competency $usercompetency The user competency.
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* @return bool
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*/
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public function matches(user_competency $usercompetency) {
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global $DB;
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// TODO Improve performance here, perhaps the caller could already provide records.
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$children = competency::get_records(array('parentid' => $this->competency->get('id')));
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if (empty($children)) {
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// Leaves are not compatible with this rule.
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return false;
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}
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$ids = array();
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foreach ($children as $child) {
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$ids[] = $child->get('id');
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}
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list($insql, $params) = $DB->get_in_or_equal($ids, SQL_PARAMS_NAMED);
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$sql = "userid = :userid
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AND proficiency = :proficiency
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AND competencyid $insql";
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$params['userid'] = $usercompetency->get('userid');
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$params['proficiency'] = 1;
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// Is the user is marked as proficient in all children?
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return user_competency::count_records_select($sql, $params) === count($ids);
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}
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/**
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* Validate the rule config.
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*
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* @param string $value The value to validate.
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* @return bool
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*/
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public function validate_config($value) {
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return $value === null;
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}
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/**
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* The name of the rule.
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*
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* @return lang_string
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*/
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public static function get_name() {
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return new lang_string('allchildrenarecomplete', 'core_competency');
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}
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}
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