/**
* Handles rendering the element on the pdf.
*
* @param pdf $pdf the pdf object
* @param bool $preview true if it is a preview, false otherwise
*/
public function render($pdf, $preview)
{
global $COURSE, $DB, $USER;
// If there is no element data, we have nothing to display.
if (empty($this->element->data)) {
return;
}
// Decode the information stored in the database.
$dateinfo = json_decode($this->element->data);
$dateitem = $dateinfo->dateitem;
$dateformat = $dateinfo->dateformat;
// If we are previewing this certificate then just show a demonstration date.
if ($preview) {
$date = time();
} else {
// Get the page.
$page = $DB->get_record('customcert_pages', array('id' => $this->element->pageid), '*', MUST_EXIST);
// Now we can get the issue for this user.
$issue = $DB->get_record('customcert_issues', array('userid' => $USER->id, 'customcertid' => $page->customcertid), '*', MUST_EXIST);
if ($dateitem == CUSTOMCERT_DATE_ISSUE) {
$date = $issue->timecreated;
} else {
if ($dateitem == CUSTOMCERT_DATE_COMPLETION) {
// Get the enrolment end date.
$sql = "SELECT MAX(c.timecompleted) as timecompleted\n FROM {course_completions} c\n WHERE c.userid = :userid\n AND c.course = :courseid";
if ($timecompleted = $DB->get_record_sql($sql, array('userid' => $issue->userid, 'courseid' => $COURSE->id))) {
if (!empty($timecompleted->timecompleted)) {
$date = $timecompleted->timecompleted;
}
}
} else {
$gradeitem = new stdClass();
$gradeitem->gradeitem = $dateitem;
$gradeitem->gradeformat = GRADE_DISPLAY_TYPE_PERCENTAGE;
if ($modinfo = customcert_element_grade::get_grade($gradeitem, $issue->userid)) {
$date = $modinfo->dategraded;
}
}
}
}
// Ensure that a date has been set.
if (!empty($date)) {
switch ($dateformat) {
case 1:
$certificatedate = userdate($date, '%B %d, %Y');
break;
case 2:
$suffix = $this->get_ordinal_number_suffix(userdate($date, '%d'));
$certificatedate = userdate($date, '%B %d' . $suffix . ', %Y');
break;
case 3:
$certificatedate = userdate($date, '%d %B %Y');
break;
case 4:
$certificatedate = userdate($date, '%B %Y');
break;
default:
$certificatedate = userdate($date, get_string('strftimedate', 'langconfig'));
}
parent::render_content($pdf, $certificatedate);
}
}
/**
* This function renders the form elements when adding a customcert element.
*
* @param mod_customcert_edit_element_form $mform the edit_form instance
*/
public function render_form_elements($mform)
{
$mform->addElement('select', 'gradeitem', get_string('gradeitem', 'customcertelement_gradeitemname'), customcert_element_grade::get_grade_items());
$mform->addHelpButton('gradeitem', 'gradeitem', 'customcertelement_gradeitemname');
parent::render_form_elements($mform);
}