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;
 }
 public function save(WpProQuiz_Model_Toplist $toplist)
 {
     $this->_wpdb->insert($this->_tableToplist, array('quiz_id' => $toplist->getQuizId(), 'user_id' => $toplist->getUserId(), 'date' => $toplist->getDate(), 'name' => $toplist->getName(), 'email' => $toplist->getEmail(), 'points' => $toplist->getPoints(), 'result' => $toplist->getResult(), 'ip' => $toplist->getIp()), array('%d', '%d', '%d', '%s', '%s', '%d', '%f', '%s'));
     $toplist->setToplistId($this->_wpdb->insert_id);
 }