public static function handle_ajax()
{
global $DB, $USER;
if (!\H5PCore::validToken('result', required_param('token', PARAM_RAW))) {
\H5PCore::ajaxError(get_string('invalidtoken', 'hvp'));
exit;
}
// Content parameters
$content_id = required_param('contentId', PARAM_INT);
$score = required_param('score', PARAM_INT);
$max_score = required_param('maxScore', PARAM_INT);
// Time values not usable by gradebook
// $opened = required_param('opened', PARAM_INT);
// $finished = required_param('finished', PARAM_INT);
// Get hvp data from contentId
$hvp = $DB->get_record('hvp', array('id' => $content_id));
// Check permissions
$context = \context_course::instance($hvp->course);
if (!has_capability('mod/hvp:saveresults', $context)) {
\H5PCore::ajaxError(get_string('nopermissiontosaveresult', 'hvp'));
http_response_code(403);
exit;
}
// Create grade object and set grades
$grade = (object) array('userid' => $USER->id);
// Get course module id from db, required for grade item
$cm_id_sql = "SELECT cm.id, h.name\n FROM {course_modules} cm, {hvp} h, {modules} m\n WHERE cm.instance = h.id AND h.id = ? AND m.name = 'hvp' AND m.id = cm.module";
$result = $DB->get_record_sql($cm_id_sql, array($content_id));
// Set grade using Gradebook API
$hvp->cmidnumber = $result->id;
$hvp->name = $result->name;
$hvp->rawgrade = $score;
$hvp->rawgrademax = $max_score;
hvp_grade_item_update($hvp, $grade);
// Get content info for log
$content = $DB->get_record_sql("SELECT c.name AS title, l.machine_name AS name, l.major_version, l.minor_version\n FROM {hvp} c\n JOIN {hvp_libraries} l ON l.id = c.main_library_id\n WHERE c.id = ?", array($content_id));
// Log view
new \mod_hvp\event('results', 'set', $content_id, $content->title, $content->name, $content->major_version . '.' . $content->minor_version);
\H5PCore::ajaxSuccess();
exit;
}
/**
* Update activity grades
*
* @category grade
* @param stdClass $hvp Null means all hvps (with extra cmidnumber property)
* @param int $userid specific user only, 0 means all
* @param bool $nullifnone If true and the user has no grade then a grade item with rawgrade == null will be inserted
*/
function hvp_update_grades($hvp = null, $userid = 0, $nullifnone = true)
{
if ($userid and $nullifnone) {
$grade = new stdClass();
$grade->userid = $userid;
$grade->rawgrade = null;
hvp_grade_item_update($hvp, $grade);
} else {
hvp_grade_item_update($hvp);
}
}
