/**
* saves the current attempt class
*
* @return bool
*/
public function save()
{
global $DB;
// first save the question usage by activity object
\question_engine::save_questions_usage_by_activity($this->quba);
// add the quba id as the questionengid
// this is here because for new usages there is no id until we save it
$this->attempt->questionengid = $this->quba->get_id();
$this->attempt->timemodified = time();
if (isset($this->attempt->id)) {
// update the record
try {
$DB->update_record('activequiz_attempts', $this->attempt);
} catch (\Exception $e) {
error_log($e->getMessage());
return false;
// return false on failure
}
} else {
// insert new record
try {
$newid = $DB->insert_record('activequiz_attempts', $this->attempt);
$this->attempt->id = $newid;
} catch (\Exception $e) {
return false;
// return false on failure
}
}
return true;
// return true if we get here
}
protected function delete_quba()
{
question_engine::delete_questions_usage_by_activity($this->quba->get_id());
$this->quba = null;
}
/**
* Update a question_usages row to refect any changes in a usage (but not
* any of its question_attempts.
* @param question_usage_by_activity $quba the usage that has changed.
*/
public function update_questions_usage_by_activity(question_usage_by_activity $quba)
{
$record = new stdClass();
$record->id = $quba->get_id();
$record->contextid = $quba->get_owning_context()->id;
$record->component = $quba->get_owning_component();
$record->preferredbehaviour = $quba->get_preferred_behaviour();
$this->db->update_record('question_usages', $record);
}
