/**
* Helper method used by insert_question_attempt_step and update_question_attempt_step
* @param question_attempt_step $step the step to store.
* @param int $questionattemptid the question attept id this step belongs to.
* @param int $seq the sequence number of this stop.
* @return stdClass data to insert into the database.
*/
protected function make_step_record(question_attempt_step $step, $questionattemptid, $seq)
{
$record = new stdClass();
$record->questionattemptid = $questionattemptid;
$record->sequencenumber = $seq;
$record->state = (string) $step->get_state();
$record->fraction = $step->get_fraction();
$record->timecreated = $step->get_timecreated();
$record->userid = $step->get_user_id();
return $record;
}
/**
* Store a {@link question_attempt_step} in the database.
* @param question_attempt_step $qa the step to store.
* @param int $questionattemptid the question attept id this step belongs to.
* @param int $seq the sequence number of this stop.
* @param object $context the context of the owning question_usage_by_activity.
*/
public function insert_question_attempt_step(question_attempt_step $step, $questionattemptid, $seq, $context)
{
$record = new stdClass();
$record->questionattemptid = $questionattemptid;
$record->sequencenumber = $seq;
$record->state = '' . $step->get_state();
$record->fraction = $step->get_fraction();
$record->timecreated = $step->get_timecreated();
$record->userid = $step->get_user_id();
$record->id = $this->db->insert_record('question_attempt_steps', $record);
foreach ($step->get_all_data() as $name => $value) {
if ($value instanceof question_file_saver) {
$value->save_files($record->id, $context);
}
$data = new stdClass();
$data->attemptstepid = $record->id;
$data->name = $name;
$data->value = $value;
$this->db->insert_record('question_attempt_step_data', $data, false);
}
}
public function test_get_set_state()
{
$step = new question_attempt_step();
$step->set_state(question_state::$gradedright);
$this->assertEquals(question_state::$gradedright, $step->get_state());
}
/**
* Actually populate the qbehaviour_adaptive_mark_details object.
* @param question_attempt_step $gradedstep the step that holds the relevant mark details.
* @param question_state $state the state corresponding to $gradedstep.
* @param unknown_type $maxmark the maximum mark for this question_attempt.
* @param unknown_type $penalty the penalty for this question, as a fraction.
*/
protected function adaptive_mark_details_from_step(question_attempt_step $gradedstep,
question_state $state, $maxmark, $penalty) {
$details = new qbehaviour_adaptive_mark_details($state);
$details->maxmark = $maxmark;
$details->actualmark = $gradedstep->get_fraction() * $details->maxmark;
$details->rawmark = $gradedstep->get_behaviour_var('_rawfraction') * $details->maxmark;
$details->currentpenalty = $penalty * $details->maxmark;
$details->totalpenalty = $details->currentpenalty * $this->qa->get_last_behaviour_var('_try', 0);
$details->improvable = $this->is_state_improvable($gradedstep->get_state());
return $details;
}
