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244 lines
9.7 KiB
244 lines
9.7 KiB
<?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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* This file contains the course completion badge award criteria type class
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*
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* @package core
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* @subpackage badges
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* @copyright 2012 onwards Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @author Yuliya Bozhko <yuliya.bozhko@totaralms.com>
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*/
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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->libdir . '/completionlib.php');
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require_once($CFG->dirroot . '/grade/querylib.php');
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require_once($CFG->libdir . '/gradelib.php');
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/**
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* Badge award criteria -- award on course completion
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*
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*/
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class award_criteria_course extends award_criteria {
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/* @var int Criteria [BADGE_CRITERIA_TYPE_COURSE] */
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public $criteriatype = BADGE_CRITERIA_TYPE_COURSE;
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private $courseid;
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private $course;
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public $required_param = 'course';
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public $optional_params = array('grade', 'bydate');
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public function __construct($record) {
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global $DB;
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parent::__construct($record);
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$this->course = $DB->get_record_sql('SELECT c.id, c.enablecompletion, c.cacherev, c.startdate
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FROM {badge} b LEFT JOIN {course} c ON b.courseid = c.id
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WHERE b.id = :badgeid ', array('badgeid' => $this->badgeid), MUST_EXIST);
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// If the course doesn't exist but we're sure the badge does (thanks to the LEFT JOIN), then use the site as the course.
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if (empty($this->course->id)) {
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$this->course = get_course(SITEID);
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}
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$this->courseid = $this->course->id;
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}
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/**
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* Add appropriate form elements to the criteria form
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*
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* @param moodleform $mform Moodle forms object
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* @param stdClass $data details of various modules
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*/
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public function config_form_criteria($data) {
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global $OUTPUT;
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$editurl = new moodle_url('/badges/criteria_settings.php', array('badgeid' => $this->badgeid, 'edit' => true, 'type' => $this->criteriatype, 'crit' => $this->id));
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$deleteurl = new moodle_url('/badges/criteria_action.php', array('badgeid' => $this->badgeid, 'delete' => true, 'type' => $this->criteriatype));
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$editaction = $OUTPUT->action_icon($editurl, new pix_icon('t/edit', get_string('edit')), null, array('class' => 'criteria-action'));
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$deleteaction = $OUTPUT->action_icon($deleteurl, new pix_icon('t/delete', get_string('delete')), null, array('class' => 'criteria-action'));
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echo $OUTPUT->box_start();
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if (!$data->is_locked() && !$data->is_active()) {
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echo $OUTPUT->box($deleteaction . $editaction, array('criteria-header'));
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}
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echo $OUTPUT->heading($this->get_title() . $OUTPUT->help_icon('criteria_' . $this->criteriatype, 'badges'), 3, 'main help');
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if (!empty($this->description)) {
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echo $OUTPUT->box(
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format_text($this->description, $this->descriptionformat,
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array('context' => context_course::instance($this->courseid))
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),
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'criteria-description'
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);
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}
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if (!empty($this->params)) {
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echo $OUTPUT->box(get_string('criteria_descr_' . $this->criteriatype, 'badges') . $this->get_details(), array('clearfix'));
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}
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echo $OUTPUT->box_end();
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}
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/**
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* Get criteria details for displaying to users
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*
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* @return string
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*/
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public function get_details($short = '') {
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global $DB, $OUTPUT;
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$param = reset($this->params);
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$course = $DB->get_record('course', array('id' => $param['course']));
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if (!$course) {
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$str = $OUTPUT->error_text(get_string('error:nosuchcourse', 'badges'));
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} else {
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$options = array('context' => context_course::instance($course->id));
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$str = html_writer::tag('b', '"' . format_string($course->fullname, true, $options) . '"');
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if (isset($param['bydate'])) {
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$str .= get_string('criteria_descr_bydate', 'badges', userdate($param['bydate'], get_string('strftimedate', 'core_langconfig')));
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}
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if (isset($param['grade'])) {
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$str .= get_string('criteria_descr_grade', 'badges', $param['grade']);
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}
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}
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return $str;
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}
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/**
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* Add appropriate new criteria options to the form
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*
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*/
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public function get_options(&$mform) {
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global $DB;
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$param = array();
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if ($this->id !== 0) {
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$param = reset($this->params);
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} else {
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$param['course'] = $mform->getElementValue('course');
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$mform->removeElement('course');
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}
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$course = $DB->get_record('course', array('id' => $param['course']));
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if (!($course->enablecompletion == COMPLETION_ENABLED)) {
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$none = true;
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$message = get_string('completionnotenabled', 'badges');
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} else {
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$mform->addElement('header', 'criteria_course', $this->get_title());
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$mform->addHelpButton('criteria_course', 'criteria_' . $this->criteriatype, 'badges');
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$parameter = array();
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$parameter[] =& $mform->createElement('static', 'mgrade_', null, get_string('mingrade', 'badges'));
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$parameter[] =& $mform->createElement('text', 'grade_' . $param['course'], '', array('size' => '5'));
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$parameter[] =& $mform->createElement('static', 'complby_' . $param['course'], null, get_string('bydate', 'badges'));
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$parameter[] =& $mform->createElement('date_selector', 'bydate_' . $param['course'], '', array('optional' => true));
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$mform->setType('grade_' . $param['course'], PARAM_INT);
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$mform->addGroup($parameter, 'param_' . $param['course'], '', array(' '), false);
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$mform->disabledIf('bydate_' . $param['course'] . '[day]', 'bydate_' . $param['course'] . '[enabled]', 'notchecked');
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$mform->disabledIf('bydate_' . $param['course'] . '[month]', 'bydate_' . $param['course'] . '[enabled]', 'notchecked');
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$mform->disabledIf('bydate_' . $param['course'] . '[year]', 'bydate_' . $param['course'] . '[enabled]', 'notchecked');
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// Set existing values.
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if (isset($param['bydate'])) {
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$mform->setDefault('bydate_' . $param['course'], $param['bydate']);
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}
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if (isset($param['grade'])) {
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$mform->setDefault('grade_' . $param['course'], $param['grade']);
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}
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// Add hidden elements.
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$mform->addElement('hidden', 'course_' . $course->id, $course->id);
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$mform->setType('course_' . $course->id, PARAM_INT);
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$mform->addElement('hidden', 'agg', BADGE_CRITERIA_AGGREGATION_ALL);
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$mform->setType('agg', PARAM_INT);
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$none = false;
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$message = '';
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}
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return array($none, $message);
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}
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/**
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* Review this criteria and decide if it has been completed
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*
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* @param int $userid User whose criteria completion needs to be reviewed.
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* @param bool $filtered An additional parameter indicating that user list
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* has been reduced and some expensive checks can be skipped.
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*
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* @return bool Whether criteria is complete
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*/
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public function review($userid, $filtered = false) {
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$course = $this->course;
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if ($this->course->startdate > time()) {
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return false;
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}
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$info = new completion_info($course);
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foreach ($this->params as $param) {
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$check_grade = true;
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$check_date = true;
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if (isset($param['grade'])) {
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$grade = grade_get_course_grade($userid, $course->id);
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$check_grade = ($grade->grade >= $param['grade']);
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}
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if (!$filtered && isset($param['bydate'])) {
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$cparams = array(
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'userid' => $userid,
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'course' => $course->id,
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);
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$completion = new completion_completion($cparams);
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$date = $completion->timecompleted;
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$check_date = ($date <= $param['bydate']);
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}
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if ($info->is_course_complete($userid) && $check_grade && $check_date) {
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return true;
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}
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}
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return false;
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}
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/**
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* Returns array with sql code and parameters returning all ids
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* of users who meet this particular criterion.
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*
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* @return array list($join, $where, $params)
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*/
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public function get_completed_criteria_sql() {
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// We have only one criterion here, so taking the first one.
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$coursecriteria = reset($this->params);
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$join = " LEFT JOIN {course_completions} cc ON cc.userid = u.id AND cc.timecompleted > 0";
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$where = ' AND cc.course = :courseid ';
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$params['courseid'] = $this->courseid;
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// Add by date parameter.
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if (isset($param['bydate'])) {
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$where .= ' AND cc.timecompleted <= :completebydate';
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$params['completebydate'] = $coursecriteria['bydate'];
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}
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return array($join, $where, $params);
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}
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}
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