/**
* Gets a activequiz_question object with the slot set
*
* @param int $slotnum The index of the slot we want, i.e. the question number
* @param \mod_activequiz\activequiz_attempt $attempt The current attempt
*
* @return \mod_activequiz\activequiz_question
*/
public function get_question_with_slot($slotnum, $attempt)
{
$slots = $attempt->getSlots();
$quba = $attempt->get_quba();
// first check if this is the last question
if (empty($slots[$slotnum])) {
$attempt->islastquestion(true);
} else {
$attempt->islastquestion(false);
}
// since arrays are indexed starting at 0 and we reference questions starting with 1, we subtract 1
$slotnum = $slotnum - 1;
// get the first question
$qubaQuestion = $quba->get_question($slots[$slotnum]);
foreach ($this->qbankOrderedQuestions as $qbankQuestion) {
/** @var \mod_activequiz\activequiz_question $qbankQuestion */
if ($qbankQuestion->getQuestion()->id == $qubaQuestion->id) {
// set the slot on the qbank question as this is the actual id we're using for question number
$qbankQuestion->set_slot($slots[$slotnum]);
return $qbankQuestion;
}
}
// if we get here return null due to no question
return null;
}
/**
* Render a review question with no editing capabilities.
*
* Reviewing will be based upon the after review options specified in module settings
*
* @param int $slot
* @param \mod_activequiz\activequiz_attempt $attempt
*
* @return string HTML fragment for the question
*/
public function render_review_question($slot, $attempt)
{
$qnum = $attempt->get_question_number();
$output = '';
$output .= html_writer::start_div('activequizbox', array('id' => 'q' . $qnum . '_container'));
$output .= $attempt->render_question($slot, true, $this->rtq->get_review_options('after'));
$output .= html_writer::end_div();
return $output;
}
/**
* Calculate the grade for attempt passed in
*
* This function does the scaling down to what was desired in the activequiz settings
* from what the quiz was actually set up with
*
* Is public function so that tableviews can get an attempt calculated grade
*
* @param \mod_activequiz\activequiz_attempt $attempt
* @return number The grade to save
*/
public function calculate_attempt_grade($attempt)
{
$quba = $attempt->get_quba();
$totalpoints = 0;
$totalslotpoints = 0;
foreach ($attempt->getSlots() as $slot) {
$totalpoints = $totalpoints + $quba->get_question_max_mark($slot);
$slotpoints = $quba->get_question_mark($slot);
if (!empty($slotpoints)) {
$totalslotpoints = $totalslotpoints + $slotpoints;
}
}
// use cross multiplication to scale to the desired points
$scaledpoints = $totalslotpoints * $this->rtq->getRTQ()->scale / $totalpoints;
return $scaledpoints;
}
