<?php
declare( strict_types=1 );
namespace Automattic\WooCommerce\GoogleListingsAndAds\Integration;
use WC_Product;
use WC_Product_Variation;
defined( 'ABSPATH' ) || exit;
/**
* Class YoastWooCommerceSeo
*
* @package Automattic\WooCommerce\GoogleListingsAndAds\Integration
*/
class YoastWooCommerceSeo implements IntegrationInterface {
protected const VALUE_KEY = 'yoast_seo';
/**
* @var array Meta values stored by Yoast WooCommerce SEO plugin (per product).
*/
protected $yoast_global_identifiers = [];
/**
* Returns whether the integration is active or not.
*
* @return bool
*/
public function is_active(): bool {
return defined( 'WPSEO_WOO_VERSION' );
}
/**
* Initializes the integration (e.g. by registering the required hooks, filters, etc.).
*
* @return void
*/
public function init(): void {
add_filter(
'woocommerce_gla_product_attribute_value_options_mpn',
function ( array $value_options ) {
return $this->add_value_option( $value_options );
}
);
add_filter(
'woocommerce_gla_product_attribute_value_options_gtin',
function ( array $value_options ) {
return $this->add_value_option( $value_options );
}
);
add_filter(
'woocommerce_gla_product_attribute_value_mpn',
function ( $value, WC_Product $product ) {
return $this->get_mpn( $value, $product );
},
10,
2
);
add_filter(
'woocommerce_gla_product_attribute_value_gtin',
function ( $value, WC_Product $product ) {
return $this->get_gtin( $value, $product );
},
10,
2
);
}
/**
* @param array $value_options
*
* @return array
*/
protected function add_value_option( array $value_options ): array {
$value_options[ self::VALUE_KEY ] = 'From Yoast WooCommerce SEO';
return $value_options;
}
/**
* @param mixed $value
* @param WC_Product $product
*
* @return mixed
*/
protected function get_mpn( $value, WC_Product $product ) {
if ( self::VALUE_KEY === $value ) {
$value = $this->get_identifier_value( 'mpn', $product );
}
return ! empty( $value ) ? $value : null;
}
/**
* @param mixed $value
* @param WC_Product $product
*
* @return mixed
*/
protected function get_gtin( $value, WC_Product $product ) {
if ( self::VALUE_KEY === $value ) {
$gtin_values = [
$this->get_identifier_value( 'isbn', $product ),
$this->get_identifier_value( 'gtin8', $product ),
$this->get_identifier_value( 'gtin12', $product ),
$this->get_identifier_value( 'gtin13', $product ),
$this->get_identifier_value( 'gtin14', $product ),
];
$gtin_values = array_values( array_filter( $gtin_values ) );
$value = $gtin_values[0] ?? null;
}
return $value;
}
/**
* @param string $key
* @param WC_Product $product
*
* @return mixed|null
*/
protected function get_identifier_value( string $key, WC_Product $product ) {
$product_id = $product->get_id();
if ( ! isset( $this->yoast_global_identifiers[ $product_id ] ) ) {
$product = $product instanceof WC_Product_Variation ? wc_get_product( $product->get_parent_id() ) : $product;
$this->yoast_global_identifiers[ $product_id ] = $product->get_meta( 'wpseo_global_identifier_values', true );
}
return ! empty( $this->yoast_global_identifiers[ $product_id ][ $key ] ) ? $this->yoast_global_identifiers[ $product_id ][ $key ] : null;
}
}