public static function fix_page($pages)
{
//Don't forget to set it as static
global $CFG, $DB;
$params = self::validate_parameters(self::fix_page_parameters(), array('pages' => $pages));
$transaction = $DB->start_delegated_transaction();
//If an exception is thrown in the below code, all DB queries in this code will be rollback.
$newpages = array();
foreach ($params['pages'] as $page) {
$page = (object) $page;
if (!($student = $DB->get_record('user', array('id' => $page->studentid)))) {
throw new invalid_parameter_exception('No student with the specified id');
}
list($cm, $emarking, $course, $context) = emarking_get_cm_course_instance_by_id($page->cmid);
// now security checks
self::validate_context($context);
require_capability('mod/emarking:uploadexam', $context);
// finally fix the page
$page->id = emarking_fix_page($page->fileid, $student, $emarking, $context, $page->pagenumber);
if ($page->id > 0) {
$newpages[] = array('id' => $page->id);
}
}
$transaction->allow_commit();
return $newpages;
}
/**
* Obtains course module ($cm), course, emarking and context
* objects from cm id in the URL
*
* @return multitype:stdClass context_module unknown mixed
*/
function emarking_get_cm_course_instance()
{
global $DB;
// Course module id.
$cmid = required_param('id', PARAM_INT);
return emarking_get_cm_course_instance_by_id($cmid);
}
