AvatarModel::writeAvatarToDatabase PHP Méthode

    public static function writeAvatarToDatabase($user_id)
    {
        $database = DatabaseFactory::getFactory()->getConnection();
        $query = $database->prepare("UPDATE users SET user_has_avatar = TRUE WHERE user_id = :user_id LIMIT 1");
        $query->execute(array(':user_id' => $user_id));
    }

 /**
  * Create an avatar picture (and checks all necessary things too)
  * TODO decouple
  * TODO total rebuild
  */
 public static function createAvatar()
 {
     // check avatar folder writing rights, check if upload fits all rules
     if (AvatarModel::isAvatarFolderWritable() and AvatarModel::validateImageFile()) {
         // create a jpg file in the avatar folder, write marker to database
         $target_file_path = Config::get('PATH_AVATARS') . Session::get('user_id');
         AvatarModel::resizeAvatarImage($_FILES['avatar_file']['tmp_name'], $target_file_path, Config::get('AVATAR_SIZE'), Config::get('AVATAR_SIZE'), Config::get('AVATAR_JPEG_QUALITY'));
         AvatarModel::writeAvatarToDatabase(Session::get('user_id'));
         Session::set('user_avatar_file', AvatarModel::getPublicUserAvatarFilePathByUserId(Session::get('user_id')));
         Session::add('feedback_positive', Text::get('FEEDBACK_AVATAR_UPLOAD_SUCCESSFUL'));
     }
 }