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<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage main
* @copyright 2001-2012 Bitrix
*/
namespace Bitrix\Main\ORM;
use Bitrix\Main\ORM\Data\DataManager;
use Bitrix\Main\ORM\Data\Result;
use Bitrix\Main\ORM\Objectify\EntityObject;
class Event extends \Bitrix\Main\Event
{
protected $entity;
protected $entityEventType;
/**
* @param Entity $entity
* @param string $type
* @param array $parameters
* @param bool $withNamespace
*/
public function __construct(Entity $entity, $type, array $parameters = array(), $withNamespace = false)
{
if ($withNamespace)
{
$eventName = $entity->getNamespace() . $entity->getName() . '::' . $type;
$this->entityEventType = $type;
}
else
{
$eventName = $entity->getName().$type;
}
parent::__construct($entity->getModule(), $eventName, $parameters);
$this->entity = $entity;
}
/**
* Returns entity
*/
public function getEntity()
{
return $this->entity;
}
/**
* Checks the result of the event for errors, fills the Result object.
* Returns true on errors, false on no errors.
*
* @param Result $result
* @return bool
*/
public function getErrors(Result $result)
{
$hasErrors = false;
/** @var $evenResult EventResult */
foreach($this->getResults() as $evenResult)
{
if($evenResult->getType() === EventResult::ERROR)
{
$hasErrors = true;
$result->addErrors($evenResult->getErrors());
}
}
return $hasErrors;
}
/**
* Merges the data fields set in the event handlers with the source fields.
* Returns a merged array of the data fields from the all event handlers.
*
* @param array $data
* @return array
*/
public function mergeFields(array $data)
{
if ($this->getResults() != null)
{
/** @var $evenResult EventResult */
foreach($this->getResults() as $evenResult)
{
$removed = $evenResult->getUnset();
foreach($removed as $val)
{
unset($data[$val]);
}
$modified = $evenResult->getModified();
if(!empty($modified))
{
$data = array_merge($data, $modified);
}
}
}
return $data;
}
public function mergeObjectFields(EntityObject $object)
{
if ($this->getResults() != null)
{
/** @var $evenResult EventResult */
foreach($this->getResults() as $evenResult)
{
$removed = $evenResult->getUnset();
foreach($removed as $fieldName)
{
// sometimes data array can be used for storing non-entity data
if ($object->entity->hasField($fieldName))
{
$object->unset($fieldName);
}
}
$modified = $evenResult->getModified();
if(!empty($modified))
{
foreach ($modified as $fieldName => $value)
{
$object->set($fieldName, $value);
}
}
}
}
}
public function send($sender = null)
{
static $events = array(
DataManager::EVENT_ON_BEFORE_ADD => true,
DataManager::EVENT_ON_ADD => true,
DataManager::EVENT_ON_AFTER_ADD => true,
DataManager::EVENT_ON_BEFORE_UPDATE => true,
DataManager::EVENT_ON_UPDATE => true,
DataManager::EVENT_ON_AFTER_UPDATE => true,
DataManager::EVENT_ON_BEFORE_DELETE => true,
DataManager::EVENT_ON_DELETE => true,
DataManager::EVENT_ON_AFTER_DELETE => true,
);
if(isset($events[$this->entityEventType]))
{
//The event handler function name magically equals to the event type (e.g. "OnBeforeAdd").
//There are emtpy handlers in the DataManager class.
$result = call_user_func_array(array($this->entity->getDataClass(), $this->entityEventType), array($this));
if (($result !== null) && !($result instanceof EventResult))
{
$result = new EventResult();
}
if($result !== null)
{
$this->addResult($result);
}
}
parent::send($sender);
}
}