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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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 * User competency viewed event.
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 *
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 * @package    core_competency
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 * @copyright  2016 Issam Taboubi <issam.taboubi@umontreal.ca>
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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\event;
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use core\event\base;
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use core_competency\user_competency_course;
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use context_course;
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defined('MOODLE_INTERNAL') || die();
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/**
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 * User competency viewed in course event class.
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 *
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 * @property-read array $other {
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 *      Extra information about event.
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 *
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 *      - int competencyid: id of competency.
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 * }
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 *
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 * @package    core_competency
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 * @since      Moodle 3.1
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 * @copyright  2016 Issam Taboubi <issam.taboubi@umontreal.ca>
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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_user_competency_viewed_in_course extends base {
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    /**
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     * Convenience method to instantiate the event in course.
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     *
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     * @param user_competency_course $usercompetencycourse The user competency for the course.
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     * @return self
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     */
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    public static function create_from_user_competency_viewed_in_course(user_competency_course $usercompetencycourse) {
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        if (!$usercompetencycourse->get('id')) {
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            throw new \coding_exception('The user competency course ID must be set.');
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        }
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        $params = array(
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            'objectid' => $usercompetencycourse->get('id'),
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            'relateduserid' => $usercompetencycourse->get('userid'),
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            'other' => array(
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                'competencyid' => $usercompetencycourse->get('competencyid')
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            )
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        );
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        $coursecontext = context_course::instance($usercompetencycourse->get('courseid'));
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        $params['contextid'] = $coursecontext->id;
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        $params['courseid'] = $usercompetencycourse->get('courseid');
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        $event = static::create($params);
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        $event->add_record_snapshot(user_competency_course::TABLE, $usercompetencycourse->to_record());
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        return $event;
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    }
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    /**
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     * Returns description of what happened.
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     *
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     * @return string
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     */
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    public function get_description() {
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        return "The user with id '$this->userid' viewed the user course competency with id '$this->objectid' "
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                . "in course with id '$this->courseid'";
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    }
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    /**
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     * Return localised event name.
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     *
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     * @return string
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     */
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    public static function get_name() {
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        return get_string('eventusercompetencyviewedincourse', 'core_competency');
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    }
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    /**
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     * Get URL related to the action
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     *
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     * @return \moodle_url
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     */
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    public function get_url() {
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        return \core_competency\url::user_competency_in_course($this->relateduserid, $this->other['competencyid'],
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            $this->courseid);
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    }
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    /**
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     * Init method.
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     *
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     * @return void
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     */
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    protected function init() {
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        $this->data['crud'] = 'r';
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        $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
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        $this->data['objecttable'] = user_competency_course::TABLE;
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    }
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    /**
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     * Get_objectid_mapping method.
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     *
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     * @return string the name of the restore mapping the objectid links to
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     */
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    public static function get_objectid_mapping() {
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        return base::NOT_MAPPED;
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    }
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    /**
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     * Custom validation.
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     *
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     * Throw \coding_exception notice in case of any problems.
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     */
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    protected function validate_data() {
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        if (!$this->courseid) {
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            throw new \coding_exception('The \'courseid\' value must be set.');
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        }
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        if (!isset($this->other) || !isset($this->other['competencyid'])) {
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            throw new \coding_exception('The \'competencyid\' value must be set.');
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        }
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    }
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}