meta生成

app/code/Joshine/Category/Block/Adminhtml/Category/Tab/Product.php

@@ -5,7 +5,6 @@ use Magento\Catalog\Block\Adminhtml\Category\Tab\Product as JoshineProduct;
 class Product extends JoshineProduct
 {
     public function setCollection($collection){
-        echo 111;
         $collection->addAttributeToSelect('thumbnail');
         parent::setCollection($collection);
     }

app/code/Joshine/Category/Observer/Frontend/Catalog/CategoryLoadAfter.php

+<?php
+
+namespace Joshine\Category\Observer\Frontend\Catalog;
+use Magento\Framework\Url;
+use Magento\Framework\UrlInterface;
+class CategoryLoadAfter implements \Magento\Framework\Event\ObserverInterface
+{
+
+    /**
+     * @var \Psr\Log\LoggerInterface
+     */
+    private $logger;
+
+    private $url;
+
+    private $attributeRepository;
+    public function __construct(
+        \Psr\Log\LoggerInterface $logger,
+        UrlInterface $url,
+        \Magento\Eav\Api\AttributeRepositoryInterface $attributeRepository
+    )
+    {
+
+        $this->logger = $logger;
+        $this->url = $url;
+        $this->attributeRepository = $attributeRepository;
+    }
+
+    /**
+     * Execute observer
+     *
+     * @param \Magento\Framework\Event\Observer $observer
+     * @return void
+     */
+    public function execute(
+        \Magento\Framework\Event\Observer $observer
+    )
+    {
+        $category = $observer->getEvent()->getCategory();
+        if ($category instanceof \Magento\Catalog\Model\Category) {
+
+            $str = $this->getUrlParameter($category);
+            $oldMetaDescription = $category->getMetaDescription();
+            $oldMetaKeyword = $category->getMetaKeywords();
+            $category->setMetaTitle('Buy the Latest ' . $str['title'] .' on '.$this->url->getBaseUrl());
+            $category->setMetaDescription('Shop ' . $str['title'] . '. ' . $oldMetaDescription);
+            if ($str['keyword']){
+                $category->setMetaKeywords($str['keyword']);
+            }else{
+                $category->setMetaKeywords($oldMetaKeyword.'.');
+            }
+        }
+    }
+
+    public function getUrlParameter($category){
+
+        $categoryName = $category->getName();
+        $data = $_REQUEST;
+        $arr = ['title'=>'' , 'keyword'=>''];
+        if (isset($data['product_list_order'])){
+            $sortBy = $category->getAvailableSortByOptions();
+            $arr['title'] .= $sortBy[$data['product_list_order']] . ' ';
+            $arr['keyword'] .= $sortBy[$data['product_list_order']] .' '. $categoryName.',';
+        }
+
+        if (isset($data['color'])){
+            $attribute = $this->attributeRepository->get('4', 'color');
+            $optionText = $attribute->getSource()->getOptionText($data['color']);
+            $arr['title'] .= $optionText .' ';
+            $arr['keyword'] .= $optionText .' '. $categoryName .',';
+        }
+
+        if (isset($data['size'])){
+            $attribute = $this->attributeRepository->get('4', 'size');
+            $optionText = $attribute->getSource()->getOptionText($data['size']);
+            $arr['title'] .= $optionText .' ';
+            $arr['keyword'] .= $optionText .' '. $categoryName .',';
+        }
+
+        if (isset($data['price'])){
+           $priceArr = explode('-',$data['price']);
+           $price = '$'.$priceArr[0].'-$'.$priceArr[1];
+            $arr['title'] .= $price .' ';
+            $arr['keyword'] .= $price .' '. $categoryName.',';
+        }
+
+        $arr['title'] .= $categoryName;
+        $arr['keyword'] = rtrim($arr['keyword'],',') . '.';
+
+        return $arr;
+    }
+}
\ No newline at end of file

app/code/Joshine/Category/Plugin/Catalog/Helper/Product/ViewPlugin.php

+<?php
+
+
+namespace Joshine\Category\Plugin\Catalog\Helper\Product;
+
+use Magento\Catalog\Helper\Product\View as ProductViewHelper;
+use Magento\Framework\Registry;
+use Magento\Framework\View\Result\Page;
+use Magento\Framework\UrlInterface;
+use Magento\TestFramework\Event\Magento;
+
+class ViewPlugin
+{
+    /**
+     * @var \Magento\Framework\Registry $coreRegistry,
+     */
+    private $coreRegistry;
+
+    private $resultPage;
+
+    private $urlInterface;
+
+
+    public function __construct(Registry $coreRegistry, UrlInterface $urlInterface)
+    {
+        $this->coreRegistry = $coreRegistry;
+        $this->urlInterface = $urlInterface;
+    }
+
+    public function aroundPrepareAndRender(
+        ProductViewHelper $productViewHelper,
+        callable $proceed,
+        Page $resultPage,
+
+                          $productId,
+                          $controller,
+                          $params = null
+    ) {
+        // collecting result page instance for future use
+        $this->resultPage = $resultPage;
+
+        // send the control to the original method
+        $result = $proceed($resultPage, $productId, $controller, $params);
+
+        // after meta title and description is generated, this will be executed
+
+        // make sure the helper instance is correct
+        if (!$result instanceof ProductViewHelper) {
+            return $productViewHelper;
+        }
+
+        // collecting product information from the core registry
+        $product = $this->coreRegistry->registry('product');
+
+        // changing meta title and description as needed
+        $this->alterMetaTitle($product);
+        $this->alterMetaDescription($product);
+        $this->alterMetaKeyword($product);
+
+        return $result;
+    }
+
+    /**
+     * Changing meta title of PDP; Allowing only 60 characters
+     * @param $product
+     */
+    private function alterMetaTitle($product)
+    {
+        $pageConfig = $this->resultPage->getConfig();
+        $title = $product->getMetaTitle();
+        if (!$title){
+            $pageConfig->getTitle()->set('$'.$product->getFinalPrice() . ' - ' .$product->getName() . ' Online at '.$this->urlInterface->getBaseUrl());
+        }
+    }
+
+    /**
+     * Changing meta description of PDP; Allowing only 60 characters
+     * @param $product
+     */
+    private function alterMetaDescription($product)
+    {
+        $pageConfig = $this->resultPage->getConfig();
+        $description = $product->getMetaDescription();
+
+        if (!$description) {
+            $pageConfig->setDescription('Buy ' . $product->getName() . ' Online at the Price of $' . $product->getFinalPrice() .' at '.$this->urlInterface->getBaseUrl() . '.' . ' You Will Get the Best Service and Worldwide Free Shipping for Orders $69+.');
+        }
+    }
+
+    /**
+     * Changing meta keyword of PDP; Allowing only 60 characters
+     * @param $product
+     */
+    private function alterMetaKeyword($product)
+    {
+        $pageConfig = $this->resultPage->getConfig();
+        $keyWord = $product->getMetaKeyword();
+
+        $ids = $product->getCategoryIds();
+        if (!$keyWord) {
+            $pageConfig->setKeywords($product->getName() . '. ' . $this->getCategoryName($ids) . '.');
+        }
+    }
+
+    private function getCategoryName($ids){
+        if (empty($ids) || !is_array($ids) || count($ids) < 2){
+            return '';
+        }
+        $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
+
+        $name = [];
+        foreach ($ids as $val){
+            $cat = $objectManager->create('Magento\Catalog\Model\Category')->load($val);
+            $name[] = $cat->getName();
+        }
+
+        $diffArr = ['Root Catalog','Category'];
+        $name = array_diff($name, $diffArr);
+
+        return implode(',',$name);
+    }
+}

app/code/Joshine/Category/etc/frontend/di.xml

+<?xml version="1.0"?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
+    <type name="Magento\Catalog\Helper\Product\View">
+        <plugin
+                name="JoshineCategoryAlterPDPMetaTags"
+                type="Joshine\Category\Plugin\Catalog\Helper\Product\ViewPlugin" />
+    </type>
+</config>
\ No newline at end of file

app/code/Joshine/Category/etc/frontend/events.xml

+<?xml version="1.0" ?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
+    <event name="catalog_category_load_after">
+        <observer instance="Joshine\Category\Observer\Frontend\Catalog\CategoryLoadAfter"
+                  name="joshine_category_observer_frontend_catalog_categoryloadafter_catalog_product_load_after"
+        />
+    </event>
+</config>
\ No newline at end of file