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>";

	}

}

?>