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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/>.
/**
* Course completion critieria - completion on specified date
*
* @package moodlecore
* @copyright 2009 Catalyst IT Ltd
* @author Aaron Barnes <aaronb@catalyst.net.nz>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class completion_criteria_date extends completion_criteria {
/**
* Criteria type constant
* @var int
*/
public $criteriatype = COMPLETION_CRITERIA_TYPE_DATE;
/**
* Finds and returns a data_object instance based on params.
* @static abstract
*
* @param array $params associative arrays varname=>value
* @return object data_object instance or false if none found.
*/
public static function fetch($params) {
$params['criteriatype'] = COMPLETION_CRITERIA_TYPE_DATE;
return self::fetch_helper('course_completion_criteria', __CLASS__, $params);
}
/**
* Add appropriate form elements to the critieria form
* @access public
* @param object $mform Moodle forms object
* @param mixed $data optional
* @return void
*/
public function config_form_display(&$mform, $data = null)
{
$mform->addElement('checkbox', 'criteria_date', get_string('enable'));
$mform->addElement('date_selector', 'criteria_date_value', get_string('afterspecifieddate', 'completion'));
// If instance of criteria exists
if ($this->id) {
$mform->setDefault('criteria_date', 1);
$mform->setDefault('criteria_date_value', $this->timeend);
} else {
$mform->setDefault('criteria_date_value', time() + 3600 * 24);
}
}
/**
* Update the criteria information stored in the database
* @access public
* @param array $data Form data
* @return void
*/
public function update_config(&$data) {
if (!empty($data->criteria_date)) {
$this->course = $data->id;
$this->timeend = $data->criteria_date_value;
$this->insert();
}
}
/**
* Review this criteria and decide if the user has completed
* @access public
* @param object $completion The user's completion record
* @param boolean $mark Optionally set false to not save changes to database
* @return boolean
*/
public function review($completion, $mark = true)
{
// If current time is past timeend
if ($this->timeend && $this->timeend < time()) {
if ($mark) {
$completion->mark_complete();
}
return true;
}
return false;
}
/**
* Return criteria title for display in reports
* @access public
* @return string
*/
public function get_title() {
return get_string('date');
}
/**
* Return a more detailed criteria title for display in reports
* @access public
* @return string
*/
public function get_title_detailed() {
return userdate($this->timeend, '%d-%h-%y');
}
/**
* Return criteria type title for display in reports
* @access public
* @return string
*/
public function get_type_title() {
return get_string('date');
}
/**
* Return criteria status text for display in reports
* @access public
* @param object $completion The user's completion record
* @return string
*/
public function get_status($completion) {
return $completion->is_complete() ? get_string('yes') : userdate($this->timeend, '%d-%h-%y');
}
/**
* Find user's who have completed this criteria
* @access public
* @return void
*/
public function cron() {
global $DB;
// Get all users who match meet this criteria
$sql = '
SELECT DISTINCT
c.id AS course,
cr.timeend AS timeend,
cr.id AS criteriaid,
ra.userid AS userid
FROM
{course_completion_criteria} cr
INNER JOIN
{course} c
ON cr.course = c.id
INNER JOIN
{context} con
ON con.instanceid = c.id
INNER JOIN
{role_assignments} ra
ON ra.contextid = con.id
LEFT JOIN
{course_completion_crit_compl} cc
ON cc.criteriaid = cr.id
AND cc.userid = ra.userid
WHERE
cr.criteriatype = '.COMPLETION_CRITERIA_TYPE_DATE.'
AND con.contextlevel = '.CONTEXT_COURSE.'
AND c.enablecompletion = 1
AND cc.id IS NULL
AND cr.timeend < ?
';
// Loop through completions, and mark as complete
$rs = $DB->get_recordset_sql($sql, array(time()));
foreach ($rs as $record) {
$completion = new completion_criteria_completion((array)$record);
$completion->mark_complete($record->timeend);
}
$rs->close();
}
/**
* Return criteria progress details for display in reports
* @access public
* @param object $completion The user's completion record
* @return array
*/
public function get_details($completion) {
$details = array();
$details['type'] = get_string('datepassed', 'completion');
$details['criteria'] = get_string('remainingenroleduntildate', 'completion');
$details['requirement'] = userdate($this->timeend, '%d %B %Y');
$details['status'] = '';
return $details;
}
}
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