/**
* Do the job.
* Throw exceptions on errors (the job will be retried).
*/
public function execute()
{
global $CFG, $DB;
require_once $CFG->dirroot . '/mod/assign/locallib.php';
$records = $DB->get_records('assignfeedback_editpdf_queue');
$assignmentcache = array();
foreach ($records as $record) {
$submissionid = $record->submissionid;
$submission = $DB->get_record('assign_submission', array('id' => $submissionid), '*', IGNORE_MISSING);
if (!$submission) {
// Submission no longer exists.
$DB->delete_records('assignfeedback_editpdf_queue', array('id' => $record->id));
continue;
}
$assignmentid = $submission->assignment;
$attemptnumber = $record->submissionattempt;
if (empty($assignmentcache[$assignmentid])) {
$cm = get_coursemodule_from_instance('assign', $assignmentid, 0, false, MUST_EXIST);
$context = context_module::instance($cm->id);
$assignment = new assign($context, null, null);
$assignmentcache[$assignmentid] = $assignment;
} else {
$assignment = $assignmentcache[$assignmentid];
}
$users = array();
if ($submission->userid) {
array_push($users, $submission->userid);
} else {
$members = $assignment->get_submission_group_members($submission->groupid, true);
foreach ($members as $member) {
array_push($users, $member->id);
}
}
mtrace('Convert ' . count($users) . ' submission attempt(s) for assignment ' . $assignmentid);
foreach ($users as $userid) {
document_services::get_page_images_for_attempt($assignment, $userid, $attemptnumber, true);
document_services::get_page_images_for_attempt($assignment, $userid, $attemptnumber, false);
}
$DB->delete_records('assignfeedback_editpdf_queue', array('id' => $record->id));
}
}
if (!$assignment->can_view_submission($userid)) {
print_error('nopermission');
}
if ($action == 'loadallpages') {
$draft = true;
if (!has_capability('mod/assign:grade', $context)) {
$draft = false;
$readonly = true;
// A student always sees the readonly version.
require_capability('mod/assign:submit', $context);
}
// Whoever is viewing the readonly version should not use the drafts, but the actual annotations.
if ($readonly) {
$draft = false;
}
$pages = document_services::get_page_images_for_attempt($assignment, $userid, $attemptnumber, $readonly);
$response = new stdClass();
$response->pagecount = count($pages);
$response->pages = array();
$grade = $assignment->get_user_grade($userid, true, $attemptnumber);
// The readonly files are stored in a different file area.
$filearea = document_services::PAGE_IMAGE_FILEAREA;
if ($readonly) {
$filearea = document_services::PAGE_IMAGE_READONLY_FILEAREA;
}
foreach ($pages as $id => $pagefile) {
$index = count($response->pages);
$page = new stdClass();
$comments = page_editor::get_comments($grade->id, $index, $draft);
$page->url = moodle_url::make_pluginfile_url($context->id, 'assignfeedback_editpdf', $filearea, $grade->id, '/', $pagefile->get_filename())->out();
$page->comments = $comments;
