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272 lines
10 KiB
272 lines
10 KiB
2 years ago
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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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* This file contains the activity 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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/**
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* Badge award criteria -- award on activity completion
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*
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*/
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class award_criteria_activity extends award_criteria {
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/* @var int Criteria [BADGE_CRITERIA_TYPE_ACTIVITY] */
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public $criteriatype = BADGE_CRITERIA_TYPE_ACTIVITY;
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private $courseid;
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private $course;
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public $required_param = 'module';
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public $optional_params = array('bydate');
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public function __construct($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 = $this->course->id;
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}
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/**
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* Gets the module instance from the database and returns it.
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* If no module instance exists this function returns false.
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*
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* @return stdClass|bool
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*/
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private function get_mod_instance($cmid) {
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global $DB;
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$rec = $DB->get_record_sql("SELECT md.name
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FROM {course_modules} cm,
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{modules} md
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WHERE cm.id = ? AND
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md.id = cm.module", array($cmid));
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if ($rec) {
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return get_coursemodule_from_id($rec->name, $cmid);
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} else {
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return null;
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}
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}
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/**
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* Get criteria description for displaying to users
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*
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* @return string
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*/
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public function get_details($short = '') {
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global $DB, $OUTPUT;
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$output = array();
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foreach ($this->params as $p) {
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$mod = self::get_mod_instance($p['module']);
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if (!$mod) {
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$str = $OUTPUT->error_text(get_string('error:nosuchmod', 'badges'));
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} else {
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$str = html_writer::tag('b', '"' . get_string('modulename', $mod->modname) . ' - ' . $mod->name . '"');
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if (isset($p['bydate'])) {
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$str .= get_string('criteria_descr_bydate', 'badges', userdate($p['bydate'], get_string('strftimedate', 'core_langconfig')));
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}
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}
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$output[] = $str;
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}
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if ($short) {
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return implode(', ', $output);
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} else {
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return html_writer::alist($output, array(), 'ul');
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}
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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(&$mform) {
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$none = true;
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$existing = array();
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$missing = array();
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$course = $this->course;
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$info = new completion_info($course);
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$mods = $info->get_activities();
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$mids = array_keys($mods);
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if ($this->id !== 0) {
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$existing = array_keys($this->params);
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$missing = array_diff($existing, $mids);
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}
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if (!empty($missing)) {
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$mform->addElement('header', 'category_errors', get_string('criterror', 'badges'));
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$mform->addHelpButton('category_errors', 'criterror', 'badges');
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foreach ($missing as $m) {
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$this->config_options($mform, array('id' => $m, 'checked' => true,
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'name' => get_string('error:nosuchmod', 'badges'), 'error' => true));
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$none = false;
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}
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}
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if (!empty($mods)) {
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$mform->addElement('header', 'first_header', $this->get_title());
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foreach ($mods as $mod) {
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$checked = false;
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if (in_array($mod->id, $existing)) {
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$checked = true;
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}
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$param = array('id' => $mod->id,
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'checked' => $checked,
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'name' => get_string('modulename', $mod->modname) . ' - ' . $mod->name,
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'error' => false
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);
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if ($this->id !== 0 && isset($this->params[$mod->id]['bydate'])) {
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$param['bydate'] = $this->params[$mod->id]['bydate'];
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}
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if ($this->id !== 0 && isset($this->params[$mod->id]['grade'])) {
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$param['grade'] = $this->params[$mod->id]['grade'];
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}
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$this->config_options($mform, $param);
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$none = false;
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}
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}
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// Add aggregation.
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if (!$none) {
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$mform->addElement('header', 'aggregation', get_string('method', 'badges'));
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$agg = array();
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$agg[] =& $mform->createElement('radio', 'agg', '', get_string('allmethodactivity', 'badges'), 1);
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$agg[] =& $mform->createElement('radio', 'agg', '', get_string('anymethodactivity', 'badges'), 2);
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$mform->addGroup($agg, 'methodgr', '', array('<br/>'), false);
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if ($this->id !== 0) {
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$mform->setDefault('agg', $this->method);
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} else {
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$mform->setDefault('agg', BADGE_CRITERIA_AGGREGATION_ANY);
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}
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}
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return array($none, get_string('error:noactivities', 'badges'));
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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, $filtered = false) {
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$completionstates = array(COMPLETION_COMPLETE, COMPLETION_COMPLETE_PASS, COMPLETION_COMPLETE_FAIL);
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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($this->course);
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$overall = false;
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foreach ($this->params as $param) {
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$cm = new stdClass();
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$cm->id = $param['module'];
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$data = $info->get_data($cm, false, $userid);
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$check_date = true;
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if (isset($param['bydate'])) {
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$date = $data->timemodified;
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$check_date = ($date <= $param['bydate']);
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}
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if ($this->method == BADGE_CRITERIA_AGGREGATION_ALL) {
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if (in_array($data->completionstate, $completionstates) && $check_date) {
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$overall = true;
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continue;
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} else {
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return false;
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}
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} else {
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if (in_array($data->completionstate, $completionstates) && $check_date) {
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return true;
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} else {
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$overall = false;
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continue;
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}
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}
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}
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return $overall;
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}
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/**
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* Returns array with sql code and parameters returning all ids
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* of users who meet this particular criterion.
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*
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* @return array list($join, $where, $params)
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*/
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public function get_completed_criteria_sql() {
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$join = '';
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$where = '';
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$params = array();
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if ($this->method == BADGE_CRITERIA_AGGREGATION_ANY) {
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foreach ($this->params as $param) {
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$moduledata[] = " cmc.coursemoduleid = :completedmodule{$param['module']} ";
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$params["completedmodule{$param['module']}"] = $param['module'];
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}
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if (!empty($moduledata)) {
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$extraon = implode(' OR ', $moduledata);
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$join = " JOIN {course_modules_completion} cmc ON cmc.userid = u.id AND
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( cmc.completionstate = :completionpass OR cmc.completionstate = :completioncomplete ) AND ({$extraon})";
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$params["completionpass"] = COMPLETION_COMPLETE_PASS;
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$params["completioncomplete"] = COMPLETION_COMPLETE;
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}
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return array($join, $where, $params);
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} else {
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foreach ($this->params as $param) {
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$join .= " LEFT JOIN {course_modules_completion} cmc{$param['module']} ON
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cmc{$param['module']}.userid = u.id AND
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cmc{$param['module']}.coursemoduleid = :completedmodule{$param['module']} AND
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( cmc{$param['module']}.completionstate = :completionpass{$param['module']} OR
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cmc{$param['module']}.completionstate = :completioncomplete{$param['module']} )";
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$where .= " AND cmc{$param['module']}.coursemoduleid IS NOT NULL ";
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$params["completedmodule{$param['module']}"] = $param['module'];
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$params["completionpass{$param['module']}"] = COMPLETION_COMPLETE_PASS;
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$params["completioncomplete{$param['module']}"] = COMPLETION_COMPLETE;
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}
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return array($join, $where, $params);
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}
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}
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}
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