public static function emailSent()
 {
     require_once 'Contact.model.php';
     require_once 'User.model.php';
     require_once 'Upload.model.php';
     $data = array();
     if (isset($_POST['send'])) {
         $senderName = htmlentities($_POST['name']);
         $senderEmail = htmlentities($_POST['email']);
         $senderMsg = htmlentities($_POST['message']);
         $subject = $_POST['subject'];
         $sellerEmail = $_POST['sellerEmail'];
         try {
             $result = ContactModel::sendEmailtoSeller($senderName, $senderEmail, $senderMsg, $subject, $sellerEmail);
             $data['template'] = 'emailSuccess.html';
             $data['states'] = UserModel::getStates();
             $data['categories'] = UploadModel::getCategories();
         } catch (Exception $e) {
             $data['error'] = $e->getMessage();
             $data['template'] = 'error.html';
             $data['states'] = UserModel::getStates();
             $data['categories'] = UploadModel::getCategories();
         }
     } else {
         $data['redirect'] = '?/User/home';
     }
     return $data;
 }