public function save_question_options($question)
{
global $DB;
$context = $question->context;
$result = new stdClass();
$oldanswers = $DB->get_records('question_answers', array('question' => $question->id), 'id ASC');
// Following hack to check at least two answers exist.
$answercount = 0;
foreach ($question->answer_locale_map as $key => $answer) {
if ($answer != '') {
$answercount++;
}
}
if ($answercount < 1) {
// Check there are at lest 2 answers for multiple choice.
$result->notice = get_string('notenoughanswers', 'qtype_multichoice', '1');
return $result;
}
// Insert all the new answers.
$totalfraction = 0;
$maxfraction = -1;
foreach ($question->answer_locale_map as $key => $answertext) {
if (trim($answertext) == '') {
continue;
}
// Update an existing answer if possible.
$answer = array_shift($oldanswers);
if (!$answer) {
$answer = new stdClass();
$answer->question = $question->id;
$answer->answer = '';
$answer->answerformat = '';
$answer->feedback = '';
$answer->fraction = 0;
$answer->id = $DB->insert_record('question_answers', $answer);
}
$answer->answer = qtype_omerocommon::serialize_to_multilang_form($question->answer_locale_map[$key]);
$answer->feedback = qtype_omerocommon::serialize_to_multilang_form($question->feedback_locale_map[$key]);
if (isset($question->fraction[$key])) {
$answer->fraction = $question->fraction[$key];
}
$DB->update_record('question_answers', $answer);
if ($question->fraction[$key] > 0) {
$totalfraction += $question->fraction[$key];
}
if ($question->fraction[$key] > $maxfraction) {
$maxfraction = $question->fraction[$key];
}
// NOTICE: our implementation supports at most one 'answer-option' per answer
$answer_option = $DB->get_record('question_answers_omemopt', array('answerid' => $answer->id));
if (!$answer_option) {
$answer_option = new stdClass();
$answer_option->answerid = $answer->id;
$answer_option->images = $question->feedbackimages[$key];
$answer_option->id = $DB->insert_record("question_answers_omemopt", $answer_option);
} else {
$answer_option->images = $question->feedbackimages[$key];
$DB->update_record("question_answers_omemopt", $answer_option);
}
}
// Delete any left over old answer records.
$fs = get_file_storage();
foreach ($oldanswers as $oldanswer) {
$fs->delete_area_files($context->id, 'question', 'answerfeedback', $oldanswer->id);
$DB->delete_records('question_answers', array('id' => $oldanswer->id));
}
$options = $DB->get_record($this->get_table_name(), array('questionid' => $question->id));
if (!$options) {
$options = new stdClass();
$options->questionid = $question->id;
$options->omeroimageurl = '';
$options->correctfeedback = '';
$options->partiallycorrectfeedback = '';
$options->incorrectfeedback = '';
$options->visiblerois = '';
$options->focusablerois = '';
$options->omeroimagelocked = 0;
$options->omeroimageproperties = "";
$options->id = $DB->insert_record($this->get_table_name(), $options);
}
$options->single = $question->single;
if (isset($question->layout)) {
$options->layout = $question->layout;
}
$options->omeroimageurl = $question->omeroimageurl;
$options->omeroimagelocked = $question->omeroimagelocked;
$options->omeroimageproperties = $question->omeroimageproperties;
$options->answernumbering = $question->answernumbering;
$options->shuffleanswers = $question->shuffleanswers;
$options->visiblerois = $question->visiblerois;
$options->focusablerois = $question->focusablerois;
$options = $this->save_combined_feedback_helper($options, $question, $context, true);
$options->correctfeedback = qtype_omerocommon::serialize_to_multilang_form($question->correctfeedback_locale_map);
$options->partiallycorrectfeedback = qtype_omerocommon::serialize_to_multilang_form($question->partiallycorrectfeedback_locale_map);
$options->incorrectfeedback = qtype_omerocommon::serialize_to_multilang_form($question->incorrectfeedback_locale_map);
$DB->update_record($this->get_table_name(), $options);
$this->save_hints($question, true);
// Perform sanity checks on fractional grades.
if ($options->single) {
if ($maxfraction != 1) {
$result->notice = get_string('fractionsnomax', 'qtype_multichoice', $maxfraction * 100);
return $result;
}
} else {
$totalfraction = round($totalfraction, 2);
if ($totalfraction != 1) {
$result->notice = get_string('fractionsaddwrong', 'qtype_multichoice', $totalfraction * 100);
return $result;
}
}
}
public function save_question($question, $form)
{
global $DB;
$question = parent::save_question($question, $form);
if ($question) {
$question->questiontext = qtype_omerocommon::serialize_to_multilang_form($form->questiontext_locale_map);
$question->generalfeedback = qtype_omerocommon::serialize_to_multilang_form($form->generalfeedback_locale_map);
$DB->update_record('question', $question);
}
return $question;
}
