Файл: core/feedback.php
Строк: 87
<?php
final class PEEP_Feedback
{
/* feedback messages types */
const TYPE_ERROR = 'error';
const TYPE_INFO = 'info';
const TYPE_WARNING = 'warning';
/**
* @var array
*/
private $feedback;
/**
* Singleton instance.
*
* @var PEEP_Feedback
*/
private static $classInstance;
/**
* Returns an instance of class (singleton pattern implementation).
*
* @return PEEP_Feedback
*/
public static function getInstance()
{
if ( self::$classInstance === null )
{
self::$classInstance = new self();
}
return self::$classInstance;
}
/**
* Constructor.
*/
private function __construct()
{
$session = PEEP::getSession();
if ( $session->isKeySet('peep_messages') )
{
$this->feedback = $session->get('peep_messages');
$session->delete('peep_messages');
}
else
{
$this->feedback = array(
'error' => array(),
'info' => array(),
'warning' => array()
);
}
}
/**
* Adds message to feedback.
*
* @param string $message
* @param string $type
* @return PEEP_Feedback
*/
private function addMessage( $message, $type = 'info' )
{
if ( $type !== self::TYPE_ERROR && $type !== self::TYPE_INFO && $type !== self::TYPE_WARNING )
{
throw new InvalidArgumentException('Invalid message type `' . $type . '`!');
}
$this->feedback[$type][] = $message;
return $this;
}
/**
* Adds error message to feedback.
*
* @param string $message
*/
public function error( $message )
{
$this->addMessage($message, self::TYPE_ERROR);
}
/**
* Adds info message to feedback.
*
* @param string $message
*/
public function info( $message )
{
$this->addMessage($message, self::TYPE_INFO);
}
/**
* Adds warning message to feedback.
*
* @param string $message
*/
public function warning( $message )
{
$this->addMessage($message, self::TYPE_WARNING);
}
/**
* Returns whole list of registered messages.
*
* @return array
*/
public function getFeedback()
{
$feedback = $this->feedback;
$this->feedback = null;
return $feedback;
}
/**
* System method. Don't call it.
*/
public function __destruct()
{
if ( $this->feedback !== null )
{
PEEP::getSession()->set('peep_messages', $this->feedback);
}
}
}