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<?php
/**
 * Copyright (c) 2020 Kaliop Digital Commerce (https://digitalcommerce.kaliop.com) All Rights Reserved.
 * https://opensource.org/licenses/OSL-3.0  Open Software License (OSL 3.0)
 * Cnc
 * Radosław Stępień <[email protected]> <[email protected]>
 */
namespace Cnc\Catalog\Model\Attribute\Source;

use Cnc\Catalog\Model\ResourceModel\Manufacturer\CollectionFactory;
use Magento\Eav\Model\Entity\Attribute\Source\AbstractSource;
use Magento\Framework\Data\OptionSourceInterface;

class Manufacturer extends AbstractSource implements OptionSourceInterface
{
    /** @var CollectionFactory */
    private $collection;

    /**
     * Manufacturer constructor.
     * @param CollectionFactory $collection
     */
    public function __construct(
        CollectionFactory $collection
    ) {
        $this->collection = $collection;
    }

    /**
     * @return array
     */
    public function getAllOptions(): array
    {
        $manufacturers = $this->collection->create();

        $this->_options = [];
        $this->_options []= [
            'value' => '',
            'label' => ' ',
        ];
        foreach ($manufacturers as $manufacturer) {
            $this->_options[] = [
                'value' => $manufacturer->getId(),
                'label' => $manufacturer->getName(),
            ];
        }

        return $this->_options;
    }

    public function addValueSortToCollection($collection, $dir = \Magento\Framework\Data\Collection::SORT_ORDER_DESC)
    {
        $attributeCode = $this->getAttribute()->getAttributeCode();
        $attributeId = $this->getAttribute()->getId();
        $attributeTable = $this->getAttribute()->getBackend()->getTable();
        $linkField = $this->getAttribute()->getEntity()->getLinkField();

        $valueTable1 = $attributeCode . '_t1';

        $collection->getSelect()->joinLeft(
            [$valueTable1 => $attributeTable],
            "e.{$linkField}={$valueTable1}.{$linkField}" .
            " AND {$valueTable1}.attribute_id='{$attributeId}'" .
            " AND {$valueTable1}.store_id='0'",
            []
        );

        $collection->getSelect()->joinLeft(
            ['cnc_manufacturer_table' => $collection->getTable('cnc_manufacturer')],
            "cnc_manufacturer_t1.value=cnc_manufacturer_table.entity_id",
            []
        );
        $collection->getSelect()->order("cnc_manufacturer_table.name $dir");
        return $this;
    }
}