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<?php
namespace Bitrix\Location\Entity\Generic;
use Bitrix\Main\SystemException;
/**
* Class FieldCollection
* @package Bitrix\Location\Entity\Generic
* @internal
*/
abstract class FieldCollection extends Collection
{
/** @var IField[] */
protected $items = [];
/**
* @param int $type
* @return bool
*/
public function isItemExist(int $type): bool
{
foreach($this->items as $item)
{
if($item->getType() === $type)
{
return true;
}
}
return false;
}
/**
* @param int $type
* @return IField|null
*/
public function getItemByType(int $type): ?IField
{
foreach($this->items as $item)
{
if($item->getType() === $type)
{
return $item;
}
}
return null;
}
/**
* @return IField[]
*/
public function getSortedItems(): array
{
$result = $this->items;
uasort(
$result,
function ($a, $b)
{
if ($a->getType() == $b->getType())
{
return 0;
}
return ($a->getType() < $b->getType()) ? -1 : 1;
}
);
return $result;
}
/**
* @param mixed $item
* @return int
* @throws SystemException
*/
public function addItem($item): int
{
if($this->isItemExist($item->getType()))
{
throw new SystemException('Item with type "'.$item->getType().'" already exist in this collection');
}
return parent::addItem($item);
}
}