}
// Store things that gradeSubmit.php will need into the session
session_start();
$_SESSION['lis_outcome_service_url'] = $_REQUEST['lis_outcome_service_url'];
$_SESSION['lis_result_sourcedid'] = $_REQUEST['lis_result_sourcedid'];
$_SESSION['lis_person_name_given'] = $_REQUEST['lis_person_name_given'];
$_SESSION['oauth_consumer_key'] = $_REQUEST['oauth_consumer_key'];
$_SESSION['oauth_consumer_secret'] = $oauth_consumer_secret;
session_write_close();
/*
* READ BACK OUR GRADE
* If it exists, show the grade and disable the submit button.
*/
$endpoint = $_REQUEST['lis_outcome_service_url'];
$sourcedid = $_REQUEST['lis_result_sourcedid'];
$postBody = str_replace(array('SOURCEDID', 'OPERATION', 'MESSAGE'), array($sourcedid, 'readResultRequest', uniqid()), getPOXRequest());
$response = parseResponse(sendOAuthBodyPOST('POST', $endpoint, $oauth_consumer_key, $oauth_consumer_secret, 'application/xml', $postBody));
if ($response['imsx_codeMajor'] == 'success' && $response['textString'] != '') {
$grade = $response['textString'];
$showGrade = true;
$disabled = 'disabled';
}
}
/*
* CUSTOM LTI LAUNCH PARAMETERS
* The "posted date" is the date that the quiz is posted. It is either set
* in the "Edit Link" page of "External Learning Tools" in your LMS, or set
* when the link is created with the Valence REST API.
* This example parameter is NOT automatically set by the LMS!
*/
if (isset($_SESSION['custom_timecreated'])) {
redirect($homeurl);
}
echo $OUTPUT->header();
if (!empty($sourcedid) and !empty($outcomeurl)) {
if ($formdata = $mform->get_data()) {
if (isset($formdata->replaceResultRequest)) {
$operation = 'replaceResultRequest';
$postBody = str_replace(array('SOURCEDID', 'GRADE', 'OPERATION', 'MESSAGE'), array($sourcedid, $_REQUEST['grade'], $operation, uniqid()), getPOXGradeRequest());
} else {
if (isset($formdata->readResultRequest)) {
$operation = 'readResultRequest';
$postBody = str_replace(array('SOURCEDID', 'OPERATION', 'MESSAGE'), array($sourcedid, $operation, uniqid()), getPOXRequest());
} else {
if (isset($formdata->deleteResultRequest)) {
$operation = 'deleteResultRequest';
$postBody = str_replace(array('SOURCEDID', 'OPERATION', 'MESSAGE'), array($sourcedid, $operation, uniqid()), getPOXRequest());
}
}
}
$response = sendOAuthBodyPOST('POST', $outcomeurl, $postBody);
echo html_writer::link($graderurl, "Check in grade report");
try {
$retval = parseResponse($response);
} catch (Exception $e) {
$retval = $e->getMessage();
}
echo $OUTPUT->heading('Grading Results', 5);
echo html_writer::start_tag('pre');
print_r($retval);
echo html_writer::end_tag('pre');
echo $OUTPUT->heading('RAW Response', 5);
