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146 lines
3.9 KiB
PHP
146 lines
3.9 KiB
PHP
<?php
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/**
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* Add Open Graph data for the WooCommerce module.
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*
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* @since 1.0.32
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* @package RankMath
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* @subpackage RankMath\WooCommerce
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* @author Rank Math <support@rankmath.com>
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*/
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namespace RankMath\WooCommerce;
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use RankMath\OpenGraph\Image as OpenGraph_Image;
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defined( 'ABSPATH' ) || exit;
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/**
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* WC Opengraph class.
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*/
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class Opengraph extends Sitemap {
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/**
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* Register hooks.
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*/
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public function opengraph() {
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$this->filter( 'language_attributes', 'og_product_namespace', 11 );
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$this->filter( 'rank_math/opengraph/desc', 'og_desc_product_taxonomy' );
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$this->action( 'rank_math/opengraph/facebook', 'og_enhancement', 50 );
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$this->action( 'rank_math/opengraph/facebook/add_additional_images', 'set_opengraph_image' );
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}
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/**
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* Add the OpenGraph namespace.
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*
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* @param string $namespace The original namespace.
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*
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* @return string
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*/
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public function og_product_namespace( $namespace ) {
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if ( is_singular( 'product' ) ) {
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$namespace = preg_replace( '/prefix="([^"]+)"/', 'prefix="$1 product: https://ogp.me/ns/product#"', $namespace );
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}
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return $namespace;
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}
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/**
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* Make sure the OpenGraph description is put out.
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*
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* @param string $desc The current description, will be overwritten if we're on a product page.
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*
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* @return string
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*/
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public function og_desc_product_taxonomy( $desc ) {
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if ( is_product_taxonomy() ) {
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$term_desc = term_description();
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if ( ! empty( $term_desc ) ) {
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$desc = wp_strip_all_tags( $term_desc, true );
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$desc = strip_shortcodes( $desc );
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}
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}
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return $desc;
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}
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/**
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* Adds the other product images to the OpenGraph output.
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*
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* @param OpenGraph $opengraph The current opengraph network object.
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*/
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public function og_enhancement( $opengraph ) {
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$product = $this->get_product();
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if ( ! is_object( $product ) ) {
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return;
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}
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$brand = WooCommerce::get_brands( get_the_ID() );
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if ( ! empty( $brand ) ) {
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$opengraph->tag( 'product:brand', $brand );
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}
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/**
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* Allow developers to prevent the output of the price in the OpenGraph tags.
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*
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* @param bool unsigned Defaults to true.
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*/
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if ( $this->do_filter( 'woocommerce/og_price', ! $product->is_type( 'variable' ) ) ) {
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$opengraph->tag( 'product:price:amount', $product->get_price() );
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$opengraph->tag( 'product:price:currency', get_woocommerce_currency() );
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}
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if ( $product->is_in_stock() ) {
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$opengraph->tag( 'product:availability', 'instock' );
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}
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}
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/**
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* Adds the opengraph images.
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*
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* @param OpenGraph_Image $opengraph_image The OpenGraph image to use.
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*/
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public function set_opengraph_image( OpenGraph_Image $opengraph_image ) {
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if ( ! function_exists( 'is_product_category' ) || is_product_category() ) {
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global $wp_query;
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$cat = $wp_query->get_queried_object();
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$thumbnail_id = get_term_meta( $cat->term_id, 'thumbnail_id', true );
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$opengraph_image->add_image_by_id( $thumbnail_id );
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}
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/**
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* Passing a truthy value to the filter will effectively short-circuit the process of adding gallery images.
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*
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* @param bool $return Short-circuit return value. Either false or true.
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*/
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if ( ! $this->do_filter( 'woocommerce/opengraph/add_gallery_images', false ) ) {
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return;
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}
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$product = $this->get_product();
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if ( ! is_object( $product ) ) {
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return;
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}
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$this->set_image_ids( $product, $opengraph_image );
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}
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/**
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* Set images for the given product.
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*
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* @param WC_Product $product The product to get the image ids for.
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* @param OpenGraph_Image $opengraph_image The OpenGraph image to use.
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*/
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protected function set_image_ids( $product, $opengraph_image ) {
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$img_ids = method_exists( $product, 'get_gallery_image_ids' ) ?
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$product->get_gallery_image_ids() : $product->get_gallery_attachment_ids();
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if ( ! is_array( $img_ids ) || empty( $img_ids ) ) {
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return;
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}
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foreach ( $img_ids as $img_id ) {
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$opengraph_image->add_image_by_id( $img_id );
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}
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}
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}
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