Subversion-Projekte lars-tiefland.prado

<?php

class ChatBufferRecord extends TActiveRecord
{
        const TABLE='chat_buffer';

        public $id;
        public $for_user;
        public $from_user;
        public $message;
        private $_created_on;

        public function getCreated_On()
        {
                if($this->_created_on === null)
                        $this->_created_on = time();
                return $this->_created_on;
        }

        public function setCreated_On($value)
        {
                $this->_created_on = $value;
        }

        public static function finder($className=__CLASS__)
        {
                return parent::finder($className);
        }

        public function saveMessage()
        {
                foreach(ChatUserRecord::finder()->findAll() as $user)
                {
                        $message = new self;
                        $message->for_user = $user->username;
                        $message->from_user = $this->from_user;
                        $message->message = $this->message;
                        $message->save();
                        if($user->username == $this->from_user)
                        {
                                $user->last_activity = time(); //update the last activity;
                                $user->save();
                        }
                }
        }

        public function getUserMessages($user)
        {
                $content = '';
                foreach($this->findAll('for_user = ?', $user) as $message)
                        $content .= $this->formatMessage($message);
                $this->deleteAll('for_user = ? OR created_on < ?', $user, time() - 300); //5 min inactivity
                return $content;
        }

        protected function formatMessage($message)
        {
                $user = htmlspecialchars($message->from_user);
                $content = htmlspecialchars($message->message);
                return "<div class=\"message\"><strong>{$user}:</strong> <span>{$content}</span></div>";
        }
}

?>