AbstractItems.php

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

namespace Magento\Downloadable\Model\Sales\Order\Pdf\Items;

/**
 * Order Downloadable Pdf Items renderer
 * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
 */
abstract class AbstractItems extends \Magento\Sales\Model\Order\Pdf\Items\AbstractItems
{
    /**
     * Downloadable links purchased model
     *
     * @var \Magento\Downloadable\Model\Link\Purchased
     */
    protected $_purchasedLinks = null;

    /**
     * Core store config
     *
     * @var \Magento\Framework\App\Config\ScopeConfigInterface
     */
    protected $_scopeConfig;

    /**
     * @var \Magento\Downloadable\Model\Link\PurchasedFactory
     */
    protected $_purchasedFactory;

    /**
     * @var \Magento\Downloadable\Model\ResourceModel\Link\Purchased\Item\CollectionFactory
     */
    protected $_itemsFactory;

    /**
     * @param \Magento\Framework\Model\Context $context
     * @param \Magento\Framework\Registry $registry
     * @param \Magento\Tax\Helper\Data $taxData
     * @param \Magento\Framework\Filesystem $filesystem
     * @param \Magento\Framework\Filter\FilterManager $filterManager
     * @param \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig
     * @param \Magento\Downloadable\Model\Link\PurchasedFactory $purchasedFactory
     * @param \Magento\Downloadable\Model\ResourceModel\Link\Purchased\Item\CollectionFactory $itemsFactory
     * @param \Magento\Framework\Model\ResourceModel\AbstractResource $resource
     * @param \Magento\Framework\Data\Collection\AbstractDb $resourceCollection
     * @param array $data
     * @SuppressWarnings(PHPMD.ExcessiveParameterList)
     */
    public function __construct(
        \Magento\Framework\Model\Context $context,
        \Magento\Framework\Registry $registry,
        \Magento\Tax\Helper\Data $taxData,
        \Magento\Framework\Filesystem $filesystem,
        \Magento\Framework\Filter\FilterManager $filterManager,
        \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig,
        \Magento\Downloadable\Model\Link\PurchasedFactory $purchasedFactory,
        \Magento\Downloadable\Model\ResourceModel\Link\Purchased\Item\CollectionFactory $itemsFactory,
        \Magento\Framework\Model\ResourceModel\AbstractResource $resource = null,
        \Magento\Framework\Data\Collection\AbstractDb $resourceCollection = null,
        array $data = []
    ) {
        $this->_scopeConfig = $scopeConfig;
        $this->_purchasedFactory = $purchasedFactory;
        $this->_itemsFactory = $itemsFactory;
        parent::__construct(
            $context,
            $registry,
            $taxData,
            $filesystem,
            $filterManager,
            $resource,
            $resourceCollection,
            $data
        );
    }

    /**
     * Return Purchased link for order item
     *
     * @return \Magento\Downloadable\Model\Link\Purchased
     */
    public function getLinks()
    {
        $this->_purchasedLinks = $this->_purchasedFactory->create()->load($this->getOrder()->getId(), 'order_id');
        $purchasedItems = $this->_itemsFactory->create()->addFieldToFilter(
            'order_item_id',
            $this->getItem()->getOrderItem()->getId()
        );
        $this->_purchasedLinks->setPurchasedItems($purchasedItems);

        return $this->_purchasedLinks;
    }

    /**
     * Return Links Section Title for order item
     *
     * @return string
     */
    public function getLinksTitle()
    {
        if ($this->_purchasedLinks->getLinkSectionTitle()) {
            return $this->_purchasedLinks->getLinkSectionTitle();
        }
        return $this->_scopeConfig->getValue(
            \Magento\Downloadable\Model\Link::XML_PATH_LINKS_TITLE,
            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
        );
    }
}