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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Swatches\Model;
use Magento\ConfigurableProduct\Model\Product\Type\Configurable;
use Magento\Catalog\Model\Product;
use Magento\ConfigurableProduct\Model\Product\Type\Configurable\Attribute;
use Magento\Eav\Model\Entity\Attribute\AbstractAttribute;
use Magento\Framework\App\ObjectManager;
/**
* Provide list of swatch attributes for product.
*/
class SwatchAttributesProvider
{
/**
* @var Configurable
*/
private $typeConfigurable;
/**
* @var SwatchAttributeCodes
*/
private $swatchAttributeCodes;
/**
* Key is productId, value is list of attributes
* @var Attribute[]
*/
private $attributesPerProduct;
/**
* @var SwatchAttributeType
*/
private $swatchTypeChecker;
/**
* @param Configurable $typeConfigurable
* @param SwatchAttributeCodes $swatchAttributeCodes
* @param SwatchAttributeType|null $swatchTypeChecker
*/
public function __construct(
Configurable $typeConfigurable,
SwatchAttributeCodes $swatchAttributeCodes,
SwatchAttributeType $swatchTypeChecker = null
) {
$this->typeConfigurable = $typeConfigurable;
$this->swatchAttributeCodes = $swatchAttributeCodes;
$this->swatchTypeChecker = $swatchTypeChecker
?: ObjectManager::getInstance()->create(SwatchAttributeType::class);
}
/**
* Provide list of swatch attributes for product. If product is not configurable return empty array
* Key is productId, value is list of attributes
*
* @param Product $product
* @return Attribute[]
*/
public function provide(Product $product)
{
if ($product->getTypeId() !== Configurable::TYPE_CODE) {
return [];
}
if (!isset($this->attributesPerProduct[$product->getId()])) {
$configurableAttributes = $this->typeConfigurable->getConfigurableAttributes($product);
$swatchAttributeCodeMap = $this->swatchAttributeCodes->getCodes();
$swatchAttributes = [];
foreach ($configurableAttributes as $configurableAttribute) {
if (array_key_exists($configurableAttribute->getAttributeId(), $swatchAttributeCodeMap)) {
/** @var AbstractAttribute $productAttribute */
$productAttribute = $configurableAttribute->getProductAttribute();
if ($productAttribute !== null
&& $this->swatchTypeChecker->isSwatchAttribute($productAttribute)
) {
$swatchAttributes[$configurableAttribute->getAttributeId()] = $productAttribute;
}
}
}
$this->attributesPerProduct[$product->getId()] = $swatchAttributes;
}
return $this->attributesPerProduct[$product->getId()];
}
}