/**
* Get ids of submissions from Turnitin
*
* @param object $part the part to get submissions for
*/
public function get_submission_ids_from_tii($part)
{
// Initialise Comms Object.
$turnitincomms = new turnitintooltwo_comms();
$turnitincall = $turnitincomms->initialise_api();
try {
$submission = new TiiSubmission();
$submission->setAssignmentId($part->tiiassignid);
// Only update submissions that have been modified since last update.
if (!empty($_SESSION["TiiSubmissionsRefreshed"][$part->id])) {
$submission->setDateFrom(gmdate("Y-m-d\\TH:i:s\\Z", $_SESSION["TiiSubmissionsRefreshed"][$part->id]));
}
$response = $turnitincall->findSubmissions($submission);
$findsubmission = $response->getSubmission();
$_SESSION["TiiSubmissions"][$part->id] = $findsubmission->getSubmissionIds();
} catch (Exception $e) {
$turnitincomms->handle_exceptions($e, 'tiisubmissionsgeterror', false);
}
}
public function update_grades_from_tii($cm)
{
global $DB;
$plagiarismvalues = $this->get_settings($cm->id);
$submissionids = array();
$return = true;
// Initialise Comms Object.
$turnitincomms = new turnitin_comms();
$turnitincall = $turnitincomms->initialise_api();
// Get the submission ids from Turnitin that have been updated.
try {
$submission = new TiiSubmission();
$submission->setAssignmentId($plagiarismvalues["turnitin_assignid"]);
// Only update submissions that have been modified since last update.
if (!empty($plagiarismvalues["grades_last_synced"])) {
$submission->setDateFrom(gmdate("Y-m-d\\TH:i:s\\Z", $plagiarismvalues["grades_last_synced"]));
}
$response = $turnitincall->findSubmissions($submission);
$findsubmission = $response->getSubmission();
$submissionids = $findsubmission->getSubmissionIds();
} catch (Exception $e) {
$turnitincomms->handle_exceptions($e, 'tiisubmissionsgeterror', false);
$return = false;
}
// Refresh updated submissions.
if (count($submissionids) > 0) {
// Process submissions in batches, depending on the max. number of submissions the Turnitin API returns.
$submissionbatches = array_chunk($submissionids, PLAGIARISM_TURNITIN_NUM_RECORDS_RETURN);
foreach ($submissionbatches as $submissionsbatch) {
try {
$submission = new TiiSubmission();
$submission->setSubmissionIds($submissionsbatch);
$response = $turnitincall->readSubmissions($submission);
$readsubmissions = $response->getSubmissions();
foreach ($readsubmissions as $readsubmission) {
$submissiondata = $DB->get_record('plagiarism_turnitin_files', array('externalid' => $readsubmission->getSubmissionId()), 'id');
$return = $this->update_submission($cm, $submissiondata->id, $readsubmission);
}
} catch (Exception $e) {
$turnitincomms->handle_exceptions($e, 'tiisubmissiongeterror', false);
$return = false;
}
}
}
return $return;
}
