C:/xampp/htdocs/moodle/lib/completion/completion_criteria_completion.php

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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/>.

require_once($CFG->libdir.'/completion/data_object.php');


class completion_criteria_completion extends data_object {

    public $table = 'course_completion_crit_compl';

    public $required_fields = array('id', 'userid', 'course', 'criteriaid', 'gradefinal', 'rpl', 'deleted', 'unenroled', 'timecompleted');

    public $userid;

    public $course;

    public $criteriaid;

    public $gradefinal;

    public $rpl;

    public $deleted;

    public $unenroled;

    public $timecompleted;

    private $_criteria;

    public static function fetch($params) {
        $params['deleted'] = null;
        return self::fetch_helper('course_completion_crit_compl', __CLASS__, $params);
    }

    public static function fetch_all($params) {}

    public function is_complete() {
        return (bool) $this->timecompleted;
    }

    public function mark_complete() {
        // Create record
        $this->timecompleted = time();

        // Save record
        if ($this->id) {
            $this->update();
        } else {
            $this->insert();
        }

        // Mark course completion record as started (if not already)
        $cc = array(
            'course'    => $this->course,
            'userid'    => $this->userid
        );
        $ccompletion = new completion_completion($cc);
        $ccompletion->mark_inprogress($this->timecompleted);
    }

    public function attach_criteria(completion_criteria $criteria) {
        $this->_criteria = $criteria;
    }

    public function get_criteria() {

        if (!$this->_criteria)
        {
            global $DB;

            $params = array(
                'id'    => $this->criteriaid
            );

            $record = $DB->get_record('course_completion_criteria', $params);

            $this->attach_criteria(completion_criteria::factory($record));
        }

        return $this->_criteria;
    }

    public function get_status() {
        return $this->_criteria->get_status($this);
    }
}