/**
* Adds a choice.
*
* Called when this component receives an HTTP POST request to
* (/$preChoice(/$preForm(/$preExercise)))/choice(/).
*
* @param int $preForm A optional prefix for the Form table.
* @param int $preExercise A optional prefix for the Exercise table.
* @param int $choiceid The id of the choice.
*/
public function addChoice($preChoice = '', $preForm = '', $preExercise = '')
{
$this->loadConfig($preChoice, $preForm, $preExercise);
$preChoice = ($preChoice === '' ? '' : '_') . $preChoice;
$preForm = ($preForm === '' ? '' : '_') . $preForm;
$preExercise = ($preExercise === '' ? '' : '_') . $preExercise;
Logger::Log('starts POST AddChoice', LogLevel::DEBUG);
$preChoice = DBJson::mysql_real_escape_string($preChoice);
$preForm = DBJson::mysql_real_escape_string($preForm);
$preExercise = DBJson::mysql_real_escape_string($preExercise);
// decode the received choice data, as an object
$insert = Choice::decodeChoice($this->_app->request->getBody());
// always been an array
$arr = true;
if (!is_array($insert)) {
$insert = array($insert);
$arr = false;
}
// this array contains the indices of the inserted objects
$res = array();
foreach ($insert as $in) {
// starts a query, by using a given file
$result = DBRequest::getRoutedSqlFile($this->query, dirname(__FILE__) . '/Sql/AddChoice.sql', array('object' => $in, 'preChoice' => $preChoice, 'preForm' => $preForm, 'preExercise' => $preExercise));
// checks the correctness of the query
if ($result['status'] >= 200 && $result['status'] <= 299) {
$queryResult = Query::decodeQuery($result['content']);
// sets the new auto-increment id
$obj = new Choice();
$course = Course::ExtractCourse($queryResult[count($queryResult) - 1]->getResponse(), true);
$obj->setChoiceId($course->getId() . '_' . $queryResult[count($queryResult) - 2]->getInsertId());
$res[] = $obj;
$this->_app->response->setStatus(201);
if (isset($result['headers']['Content-Type'])) {
$this->_app->response->headers->set('Content-Type', $result['headers']['Content-Type']);
}
} else {
Logger::Log('POST AddChoice failed', LogLevel::ERROR);
$this->_app->response->setStatus(isset($result['status']) ? $result['status'] : 409);
$this->_app->response->setBody(Choice::encodeChoice($res));
$this->_app->stop();
}
}
if (!$arr && count($res) == 1) {
$this->_app->response->setBody(Choice::encodeChoice($res[0]));
} else {
$this->_app->response->setBody(Choice::encodeChoice($res));
}
}
