/**
* @return WpProQuiz_Helper_Captcha
*/
public static function getInstance()
{
if (WpProQuiz_Helper_Captcha::$INSTANCE == null) {
WpProQuiz_Helper_Captcha::$INSTANCE = new WpProQuiz_Helper_Captcha();
}
return WpProQuiz_Helper_Captcha::$INSTANCE;
}
public static function ajaxAddInToplist($data)
{
// workaround ...
$_POST = $_POST['data'];
$ctn = new WpProQuiz_Controller_Toplist();
$quizId = isset($data['quizId']) ? $data['quizId'] : 0;
$prefix = !empty($data['prefix']) ? trim($data['prefix']) : '';
$quizMapper = new WpProQuiz_Model_QuizMapper();
$quiz = $quizMapper->fetch($quizId);
$r = $ctn->handleAddInToplist($quiz);
if ($quiz->isToplistActivated() && $quiz->isToplistDataCaptcha() && get_current_user_id() == 0) {
$captcha = WpProQuiz_Helper_Captcha::getInstance();
if ($captcha->isSupported()) {
$captcha->remove($prefix);
$captcha->cleanup();
if ($r !== true) {
$r['captcha']['img'] = WPPROQUIZ_CAPTCHA_URL . '/' . $captcha->createImage();
$r['captcha']['code'] = $captcha->getPrefix();
}
}
}
if ($r === true) {
$r = array('text' => __('You signed up successfully.', 'wp-pro-quiz'), 'clear' => true);
}
return json_encode($r);
}
private function handleAddInToplist(WpProQuiz_Model_Quiz $quiz)
{
if (!wp_verify_nonce($this->_post['token'], 'wpProQuiz_toplist')) {
return array('text' => __('An error has occurred.', 'wp-pro-quiz'), 'clear' => true);
}
if (!isset($this->_post['points']) || !isset($this->_post['totalPoints'])) {
return array('text' => __('An error has occurred.', 'wp-pro-quiz'), 'clear' => true);
}
$quizId = $quiz->getId();
$userId = get_current_user_id();
$points = (int) $this->_post['points'];
$totalPoints = (int) $this->_post['totalPoints'];
$name = !empty($this->_post['name']) ? trim($this->_post['name']) : '';
$email = !empty($this->_post['email']) ? trim($this->_post['email']) : '';
$ip = filter_var($_SERVER['REMOTE_ADDR'], FILTER_VALIDATE_IP);
$captchaAnswer = !empty($this->_post['captcha']) ? trim($this->_post['captcha']) : '';
$prefix = !empty($this->_post['prefix']) ? trim($this->_post['prefix']) : '';
$quizMapper = new WpProQuiz_Model_QuizMapper();
$toplistMapper = new WpProQuiz_Model_ToplistMapper();
if ($quiz == null || $quiz->getId() == 0 || !$quiz->isToplistActivated()) {
return array('text' => __('An error has occurred.', 'wp-pro-quiz'), 'clear' => true);
}
if (!$this->preCheck($quiz->getToplistDataAddPermissions(), $userId)) {
return array('text' => __('An error has occurred.', 'wp-pro-quiz'), 'clear' => true);
}
$numPoints = $quizMapper->sumQuestionPoints($quizId);
if ($totalPoints > $numPoints || $points > $numPoints) {
return array('text' => __('An error has occurred.', 'wp-pro-quiz'), 'clear' => true);
}
$clearTime = null;
if ($quiz->isToplistDataAddMultiple()) {
$clearTime = $quiz->getToplistDataAddBlock() * 60;
}
if ($userId > 0) {
if ($toplistMapper->countUser($quizId, $userId, $clearTime)) {
return array('text' => __('You can not enter again.', 'wp-pro-quiz'), 'clear' => true);
}
$user = wp_get_current_user();
$email = $user->user_email;
$name = $user->display_name;
} else {
if ($toplistMapper->countFree($quizId, $name, $email, $ip, $clearTime)) {
return array('text' => __('You can not enter again.', 'wp-pro-quiz'), 'clear' => true);
}
if (empty($name) || empty($email) || filter_var($email, FILTER_VALIDATE_EMAIL) === false) {
return array('text' => __('No name or e-mail entered.', 'wp-pro-quiz'), 'clear' => false);
}
if (strlen($name) > 15) {
return array('text' => __('Your name can not exceed 15 characters.', 'wp-pro-quiz'), 'clear' => false);
}
if ($quiz->isToplistDataCaptcha()) {
$captcha = WpProQuiz_Helper_Captcha::getInstance();
if ($captcha->isSupported()) {
if (!$captcha->check($prefix, $captchaAnswer)) {
return array('text' => __('You entered wrong captcha code.', 'wp-pro-quiz'), 'clear' => false);
}
}
}
}
$toplist = new WpProQuiz_Model_Toplist();
$toplist->setQuizId($quizId)->setUserId($userId)->setDate(time())->setName($name)->setEmail($email)->setPoints($points)->setResult(round($points / $totalPoints * 100, 2))->setIp($ip);
$toplistMapper->save($toplist);
return true;
}
