AbstractBlock.php

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<?php
namespace Magento\Wishlist\Block;

use Magento\Catalog\Helper\Image;
use Magento\Catalog\Model\Product\Image\UrlBuilder;
use Magento\Framework\View\ConfigInterface;
use Magento\Framework\App\ObjectManager;

abstract class AbstractBlock extends \Magento\Catalog\Block\Product\AbstractProduct
{
    protected $_collection;

    protected $_wishlist;

    protected $httpContext;

    private $viewConfig;

    private $imageUrlBuilder;

    public function __construct(
        \Magento\Catalog\Block\Product\Context $context,
        \Magento\Framework\App\Http\Context $httpContext,
        array $data = [],
        ConfigInterface $config = null,
        UrlBuilder $urlBuilder = null
    ) {
        $this->httpContext = $httpContext;
        parent::__construct(
            $context,
            $data
        );
        $this->viewConfig = $config ?? ObjectManager::getInstance()->get(ConfigInterface::class);
        $this->imageUrlBuilder = $urlBuilder ?? ObjectManager::getInstance()->get(UrlBuilder::class);
    }

    protected function _getHelper()
    {
        return $this->_wishlistHelper;
    }

    protected function _getWishlist()
    {
        return $this->_getHelper()->getWishlist();
    }

    protected function _prepareCollection($collection)
    {
        return $this;
    }

    protected function _createWishlistItemCollection()
    {
        return $this->_getWishlist()->getItemCollection();
    }

    public function getWishlistItems()
    {
        if ($this->_collection === null) {
            $this->_collection = $this->_createWishlistItemCollection();
            $this->_prepareCollection($this->_collection);
        }

        return $this->_collection;
    }

    public function getWishlistInstance()
    {
        return $this->_getWishlist();
    }

    public function getItemRemoveParams($item)
    {
        return $this->_getHelper()->getRemoveParams($item);
    }

    public function getItemAddToCartParams($item)
    {
        return $this->_getHelper()->getAddToCartParams($item);
    }

    public function getSharedItemAddToCartUrl($item)
    {
        return $this->_getHelper()->getSharedAddToCartUrl($item);
    }

    public function getSharedAddAllToCartUrl()
    {
        return $this->_getHelper()->getSharedAddAllToCartUrl();
    }

    public function getAddToWishlistParams($product)
    {
        return $this->_getHelper()->getAddParams($product);
    }

    public function getItemConfigureUrl($product)
    {
        return $this->_getHelper()->getConfigureUrl($product);
    }

    public function getEscapedDescription($item)
    {
        if ($item->getDescription()) {
            return $this->escapeHtml($item->getDescription());
        }
        return '&nbsp;';
    }

    public function hasDescription($item)
    {
        return trim($item->getDescription()) != '';
    }

    public function getFormatedDate($date)
    {
        return $this->formatDate($date, \IntlDateFormatter::MEDIUM);
    }

    public function isSaleable()
    {
        foreach ($this->getWishlistItems() as $item) {
            if ($item->getProduct()->isSaleable()) {
                return true;
            }
        }

        return false;
    }

    public function getWishlistItemsCount()
    {
        return $this->_getWishlist()->getItemsCount();
    }

    public function getQty($item)
    {
        $qty = $item->getQty() * 1;
        if (!$qty) {
            $qty = 1;
        }
        return $qty;
    }

    public function hasWishlistItems()
    {
        return $this->getWishlistItemsCount() > 0;
    }

    public function getProductUrl($item, $additional = [])
    {
        return $this->_getHelper()->getProductUrl($item, $additional);
    }

    public function getImageUrl($product)
    {
        $viewImageConfig = $this->viewConfig->getViewConfig()->getMediaAttributes(
            'Magento_Catalog',
            Image::MEDIA_TYPE_CONFIG_NODE,
            'wishlist_small_image'
        );
        return $this->imageUrlBuilder->getUrl(
            $product->getData($viewImageConfig['type']),
            'wishlist_small_image'
        );
    }

    public function getItemPriceHtml(
        \Magento\Catalog\Model\Product\Configuration\Item\ItemInterface $item,
        $priceType = \Magento\Catalog\Pricing\Price\ConfiguredPriceInterface::CONFIGURED_PRICE_CODE,
        $renderZone = \Magento\Framework\Pricing\Render::ZONE_ITEM_LIST,
        array $arguments = []
    ) {
        $priceRender = $this->getLayout()->getBlock('product.price.render.default');
        $priceRender->setItem($item);
        $arguments += [
            'zone'         => $renderZone,
            'render_block' => $priceRender
        ];
        return $priceRender ? $priceRender->render($priceType, $item->getProduct(), $arguments) : null;
    }
}