public function test_certificate_get_teachers()
{
global $DB;
$certificate = $this->generator->create_instance(array('course' => $this->course->id));
$coursemodule = get_coursemodule_from_instance('certificate', $certificate->id);
$studentroleid = $DB->get_record('role', array('shortname' => 'student'), 'id')->id;
$teacherroleid = $DB->get_record('role', array('shortname' => 'editingteacher'), 'id')->id;
$teacheruserarray = array();
for ($i = 0; $i < 10; $i++) {
$teacheruserarray[] = $this->getDataGenerator()->create_user(array('email' => "teacherdoge{$i}@dogeversity.doge", 'username' => "Dr. doge{$i}"));
// Enrol the user as a teacher.
$this->getDataGenerator()->enrol_user(end($teacheruserarray)->id, $this->course->id, $teacherroleid);
}
// Enrol a single student and issue his/her a certificate.
$studentuser = $this->getDataGenerator()->create_user(array('email' => "*****@*****.**", 'username' => "dogemanorwomen"));
$this->getDataGenerator()->enrol_user($studentuser->id, $this->course->id, $studentroleid);
certificate_get_issue($this->course, $studentuser, $certificate, $coursemodule);
$certificateteacherarray = certificate_get_teachers(null, $studentuser, $coursemodule, $coursemodule);
// Acquire the ids (not all attributes are equal considering db transaction can have auto values).
$teacheruserids = array_map(create_function('$t', 'return $t->id;'), $teacheruserarray);
$certificateteacherids = array_map(create_function('$c', 'return $c->id;'), $certificateteacherarray);
/**
* Ensure that two arrays have one-to-one correspondence, that is each
* is a subset of each other.
*/
$emptyarray = array();
$this->assertEquals(array_diff($teacheruserids, $certificateteacherids), $emptyarray);
}
/**
* Alerts teachers by email of received certificates. First checks
* whether the option to email teachers is set for this certificate.
*
* @param stdClass $course
* @param stdClass $certificate
* @param stdClass $certrecord
* @param stdClass $cm course module
* @return null
*/
function certificate_email_teachers($course, $certificate, $certrecord, $cm)
{
global $USER, $CFG, $DB;
if ($certificate->emailteachers == 0) {
// No need to do anything
return;
}
$student = $certrecord->studentname;
$user = $DB->get_record('user', array('id' => $certrecord->userid));
if ($teachers = certificate_get_teachers($certificate, $user, $course, $cm)) {
$strawarded = get_string('awarded', 'certificate');
foreach ($teachers as $teacher) {
$info = new stdClass();
$info->student = $student;
$info->course = format_string($course->fullname, true);
$info->certificate = format_string($certificate->name, true);
$info->url = $CFG->wwwroot . '/mod/certificate/report.php?id=' . $cm->id;
$from = $student;
$postsubject = $strawarded . ': ' . $info->student . ' -> ' . $certificate->name;
$posttext = certificate_email_teachers_text($info);
$posthtml = $teacher->mailformat == 1 ? certificate_email_teachers_html($info) : '';
@email_to_user($teacher, $from, $postsubject, $posttext, $posthtml);
// If it fails, oh well, too bad.
}
}
}