Result.php

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<?php
namespace Magento\CatalogSearch\Block;

use Magento\Catalog\Block\Product\ListProduct;
use Magento\Catalog\Model\Layer\Resolver as LayerResolver;
use Magento\CatalogSearch\Helper\Data;
use Magento\CatalogSearch\Model\ResourceModel\Fulltext\Collection;
use Magento\Framework\View\Element\Template;
use Magento\Framework\View\Element\Template\Context;
use Magento\Search\Model\QueryFactory;

class Result extends Template
{
    protected $productCollection;

    protected $catalogSearchData;

    protected $catalogLayer;

    private $queryFactory;

    public function __construct(
        Context $context,
        LayerResolver $layerResolver,
        Data $catalogSearchData,
        QueryFactory $queryFactory,
        array $data = []
    ) {
        $this->catalogLayer = $layerResolver->get();
        $this->catalogSearchData = $catalogSearchData;
        $this->queryFactory = $queryFactory;
        parent::__construct($context, $data);
    }

    protected function _getQuery()
    {
        return $this->queryFactory->get();
    }

    protected function _prepareLayout()
    {
        $title = $this->getSearchQueryText();
        $this->pageConfig->getTitle()->set($title);
        // add Home breadcrumb
        $breadcrumbs = $this->getLayout()->getBlock('breadcrumbs');
        if ($breadcrumbs) {
            $breadcrumbs->addCrumb(
                'home',
                [
                    'label' => __('Home'),
                    'title' => __('Go to Home Page'),
                    'link' => $this->_storeManager->getStore()->getBaseUrl()
                ]
            )->addCrumb(
                'search',
                ['label' => $title, 'title' => $title]
            );
        }

        return parent::_prepareLayout();
    }

    public function getAdditionalHtml()
    {
        return $this->getLayout()->getBlock('search_result_list')->getChildHtml('additional');
    }

    public function getListBlock()
    {
        return $this->getChildBlock('search_result_list');
    }

    public function setListOrders()
    {
        $category = $this->catalogLayer->getCurrentCategory();
        /* @var $category \Magento\Catalog\Model\Category */
        $availableOrders = $category->getAvailableSortByOptions();
        unset($availableOrders['position']);
        $availableOrders['relevance'] = __('Relevance');

        $this->getListBlock()->setAvailableOrders(
            $availableOrders
        )->setDefaultDirection(
            'desc'
        )->setDefaultSortBy(
            'relevance'
        );

        return $this;
    }

    public function setListModes()
    {
        $test = $this->getListBlock();
        $test->setModes(['grid' => __('Grid'), 'list' => __('List')]);
        return $this;
    }

    public function getProductListHtml()
    {
        return $this->getChildHtml('search_result_list');
    }

    protected function _getProductCollection()
    {
        if (null === $this->productCollection) {
            $this->productCollection = $this->getListBlock()->getLoadedProductCollection();
        }

        return $this->productCollection;
    }

    public function getSearchQueryText()
    {
        return __("Search results for: '%1'", $this->catalogSearchData->getEscapedQueryText());
    }

    public function getResultCount()
    {
        if (!$this->getData('result_count')) {
            $size = $this->_getProductCollection()->getSize();
            $this->_getQuery()->saveNumResults($size);
            $this->setResultCount($size);
        }
        return $this->getData('result_count');
    }

    public function getNoResultText()
    {
        if ($this->catalogSearchData->isMinQueryLength()) {
            return __('Minimum Search query length is %1', $this->_getQuery()->getMinQueryLength());
        }
        return $this->_getData('no_result_text');
    }

    public function getNoteMessages()
    {
        return $this->catalogSearchData->getNoteMessages();
    }
}