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<?php declare(strict_types = 1);
namespace Bitrix\Translate;
use Bitrix\Main;
/**
* Warning collection.
*/
trait Warning
{
/** @var Main\ErrorCollection */
protected $warningCollection;
/**
* Adds warning to collection.
*
* @param Main\Error $error Error.
*
* @return $this
*/
final public function addWarning(Main\Error $error): self
{
if (!$this->warningCollection instanceof Main\ErrorCollection)
{
$this->warningCollection = new Main\ErrorCollection;
}
$this->warningCollection[] = $error;
return $this;
}
/**
* Getting array of warnings.
*
* @return Main\Error[]
*/
final public function getWarnings(): array
{
if (!$this->warningCollection instanceof Main\ErrorCollection)
{
return array();
}
return $this->warningCollection->toArray();
}
/**
* Checks if warning occurred.
*
* @return boolean
*/
final public function hasWarnings(): bool
{
if (!$this->warningCollection instanceof Main\ErrorCollection)
{
return false;
}
return !$this->warningCollection->isEmpty();
}
/**
* Returns last warning from list.
*
* @return Main\Error|null
*/
final public function getLastWarning(): ?Main\Error
{
if (!$this->warningCollection instanceof Main\ErrorCollection)
{
return null;
}
if (!$this->hasWarnings())
{
return null;
}
$offset = $this->warningCollection->count() - 1;
return $this->warningCollection->offsetGet($offset);
}
/**
* Returns first warning from list.
*
* @return Main\Error|null
*/
final public function getFirstWarning(): ?Main\Error
{
if (!$this->warningCollection instanceof Main\ErrorCollection)
{
return null;
}
if (!$this->hasWarnings())
{
return null;
}
return $this->warningCollection->offsetGet(0);
}
}