MeasureRatioCollection.php

<?php
 
namespace Bitrix\Catalog\v2\MeasureRatio;
 
use Bitrix\Catalog\v2\BaseCollection;
 
class MeasureRatioCollection extends BaseCollection
{
    protected $factory;
 
    public function __construct(MeasureRatioFactory $factory)
    {
        $this->factory = $factory;
    }
 
    public function findDefault(): ?BaseMeasureRatio
    {
        foreach ($this->getIterator() as $measureRatio)
        {
            if ($measureRatio->isDefault())
            {
                return $measureRatio;
            }
        }
 
        return null;
    }
 
    // ToDo set product id by default? in prices too?
    public function create(): BaseMeasureRatio
    {
        $measureRatio = $this->factory->createEntity();
 
        $this->add($measureRatio);
 
        return $measureRatio;
    }
 
    public function setDefault(float $ratio): BaseMeasureRatio
    {
        $measureRatio = $this->findDefault();
 
        if (!$measureRatio)
        {
            $measureRatio = $this->create()->setDefault();
        }
 
        return $measureRatio->setRatio($ratio);
    }
}