Your IP : 3.148.210.23
<?php
namespace Bitrix\DocumentGenerator\Model;
use Bitrix\Main\Entity\DataManager;
use Bitrix\Main;
use Bitrix\Main\ORM\Event;
abstract class FileModel extends DataManager
{
protected static $fileFieldNames = [
'FILE_ID',
];
protected static $filesToDelete = [];
/**
* @param Event $event
* @return Main\Entity\EventResult
* @throws Main\ArgumentException
* @throws Main\ObjectPropertyException
* @throws Main\SystemException
*/
public static function onBeforeUpdate(Event $event)
{
$parameters = $event->getParameters();
$newFields = $parameters['fields'];
$oldFields = static::getById($parameters['primary']['ID'])->fetch();
foreach(static::$fileFieldNames as $name)
{
if(array_key_exists($name, $newFields) && $newFields[$name] != $oldFields[$name])
{
static::$filesToDelete[] = $oldFields[$name];
}
}
return new Main\Entity\EventResult();
}
/**
* @param Event $event
* @return Main\EventResult
*/
public static function onBeforeDelete(Event $event)
{
$result = new Main\Entity\EventResult();
$eventData = $event->getParameters();
$data = static::getById($eventData['primary']['ID'])->fetch();
foreach(static::$fileFieldNames as $name)
{
if($data[$name])
{
static::$filesToDelete[] = $data[$name];
}
}
return $result;
}
/**
* @param Event $event
* @return Main\Entity\EventResult
* @throws \Exception
*/
public static function onAfterUpdate(Event $event)
{
return static::deleteFiles();
}
/**
* @param Event $event
* @return Main\Entity\EventResult
* @throws \Exception
*/
public static function onAfterDelete(Event $event)
{
return static::deleteFiles();
}
/**
* @return Main\Entity\EventResult
* @throws \Exception
*/
protected static function deleteFiles()
{
$result = new Main\Entity\EventResult();
foreach(static::$filesToDelete as $fileId)
{
if($fileId > 0)
{
$deleteResult = FileTable::delete($fileId);
if(!$deleteResult->isSuccess())
{
$result->setErrors($deleteResult->getErrors());
}
}
}
static::$filesToDelete = [];
return $result;
}
}