539 lines
17 KiB
PHP
539 lines
17 KiB
PHP
<?php
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/**
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* Structured data's handler and generator using JSON-LD format.
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*
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* @package WooCommerce\Classes
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* @since 3.0.0
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* @version 3.0.0
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*/
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defined( 'ABSPATH' ) || exit;
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/**
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* Structured data class.
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*/
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class WC_Structured_Data {
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/**
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* Stores the structured data.
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*
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* @var array $_data Array of structured data.
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*/
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private $_data = array();
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/**
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* Constructor.
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*/
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public function __construct() {
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// Generate structured data.
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add_action( 'woocommerce_before_main_content', array( $this, 'generate_website_data' ), 30 );
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add_action( 'woocommerce_breadcrumb', array( $this, 'generate_breadcrumblist_data' ), 10 );
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add_action( 'woocommerce_single_product_summary', array( $this, 'generate_product_data' ), 60 );
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add_action( 'woocommerce_email_order_details', array( $this, 'generate_order_data' ), 20, 3 );
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// Output structured data.
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add_action( 'woocommerce_email_order_details', array( $this, 'output_email_structured_data' ), 30, 3 );
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add_action( 'wp_footer', array( $this, 'output_structured_data' ), 10 );
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}
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/**
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* Sets data.
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*
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* @param array $data Structured data.
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* @param bool $reset Unset data (default: false).
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* @return bool
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*/
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public function set_data( $data, $reset = false ) {
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if ( ! isset( $data['@type'] ) || ! preg_match( '|^[a-zA-Z]{1,20}$|', $data['@type'] ) ) {
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return false;
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}
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if ( $reset && isset( $this->_data ) ) {
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unset( $this->_data );
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}
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$this->_data[] = $data;
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return true;
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}
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/**
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* Gets data.
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*
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* @return array
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*/
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public function get_data() {
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return $this->_data;
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}
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/**
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* Structures and returns data.
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*
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* List of types available by default for specific request:
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*
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* 'product',
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* 'review',
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* 'breadcrumblist',
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* 'website',
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* 'order',
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*
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* @param array $types Structured data types.
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* @return array
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*/
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public function get_structured_data( $types ) {
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$data = array();
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// Put together the values of same type of structured data.
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foreach ( $this->get_data() as $value ) {
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$data[ strtolower( $value['@type'] ) ][] = $value;
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}
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// Wrap the multiple values of each type inside a graph... Then add context to each type.
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foreach ( $data as $type => $value ) {
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$data[ $type ] = count( $value ) > 1 ? array( '@graph' => $value ) : $value[0];
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$data[ $type ] = apply_filters( 'woocommerce_structured_data_context', array( '@context' => 'https://schema.org/' ), $data, $type, $value ) + $data[ $type ];
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}
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// If requested types, pick them up... Finally change the associative array to an indexed one.
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$data = $types ? array_values( array_intersect_key( $data, array_flip( $types ) ) ) : array_values( $data );
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if ( ! empty( $data ) ) {
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if ( 1 < count( $data ) ) {
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$data = apply_filters( 'woocommerce_structured_data_context', array( '@context' => 'https://schema.org/' ), $data, '', '' ) + array( '@graph' => $data );
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} else {
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$data = $data[0];
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}
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}
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return $data;
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}
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/**
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* Get data types for pages.
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*
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* @return array
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*/
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protected function get_data_type_for_page() {
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$types = array();
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$types[] = is_shop() || is_product_category() || is_product() ? 'product' : '';
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$types[] = is_shop() && is_front_page() ? 'website' : '';
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$types[] = is_product() ? 'review' : '';
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$types[] = 'breadcrumblist';
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$types[] = 'order';
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return array_filter( apply_filters( 'woocommerce_structured_data_type_for_page', $types ) );
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}
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/**
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* Makes sure email structured data only outputs on non-plain text versions.
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*
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* @param WP_Order $order Order data.
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* @param bool $sent_to_admin Send to admin (default: false).
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* @param bool $plain_text Plain text email (default: false).
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*/
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public function output_email_structured_data( $order, $sent_to_admin = false, $plain_text = false ) {
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if ( $plain_text ) {
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return;
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}
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echo '<div style="display: none; font-size: 0; max-height: 0; line-height: 0; padding: 0; mso-hide: all;">';
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$this->output_structured_data();
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echo '</div>';
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}
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/**
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* Sanitizes, encodes and outputs structured data.
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*
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* Hooked into `wp_footer` action hook.
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* Hooked into `woocommerce_email_order_details` action hook.
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*/
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public function output_structured_data() {
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$types = $this->get_data_type_for_page();
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$data = $this->get_structured_data( $types );
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if ( $data ) {
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echo '<script type="application/ld+json">' . wc_esc_json( wp_json_encode( $data ), true ) . '</script>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
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}
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}
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/*
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|--------------------------------------------------------------------------
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| Generators
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|--------------------------------------------------------------------------
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| Methods for generating specific structured data types:
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| - Product
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| - Review
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| - BreadcrumbList
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| - WebSite
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| - Order
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| The generated data is stored into `$this->_data`.
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| See the methods above for handling `$this->_data`.
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*/
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/**
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* Generates Product structured data.
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*
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* Hooked into `woocommerce_single_product_summary` action hook.
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*
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* @param WC_Product $product Product data (default: null).
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*/
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public function generate_product_data( $product = null ) {
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if ( ! is_object( $product ) ) {
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global $product;
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}
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if ( ! is_a( $product, 'WC_Product' ) ) {
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return;
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}
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$shop_name = get_bloginfo( 'name' );
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$shop_url = home_url();
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$currency = get_woocommerce_currency();
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$permalink = get_permalink( $product->get_id() );
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$image = wp_get_attachment_url( $product->get_image_id() );
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$markup = array(
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'@type' => 'Product',
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'@id' => $permalink . '#product', // Append '#product' to differentiate between this @id and the @id generated for the Breadcrumblist.
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'name' => wp_kses_post( $product->get_name() ),
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'url' => $permalink,
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'description' => wp_strip_all_tags( do_shortcode( $product->get_short_description() ? $product->get_short_description() : $product->get_description() ) ),
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);
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if ( $image ) {
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$markup['image'] = $image;
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}
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// Declare SKU or fallback to ID.
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if ( $product->get_sku() ) {
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$markup['sku'] = $product->get_sku();
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} else {
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$markup['sku'] = $product->get_id();
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}
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if ( '' !== $product->get_price() ) {
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// Assume prices will be valid until the end of next year, unless on sale and there is an end date.
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$price_valid_until = gmdate( 'Y-12-31', time() + YEAR_IN_SECONDS );
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if ( $product->is_type( 'variable' ) ) {
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$lowest = $product->get_variation_price( 'min', false );
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$highest = $product->get_variation_price( 'max', false );
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if ( $lowest === $highest ) {
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$markup_offer = array(
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'@type' => 'Offer',
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'price' => wc_format_decimal( $lowest, wc_get_price_decimals() ),
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'priceValidUntil' => $price_valid_until,
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'priceSpecification' => array(
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'price' => wc_format_decimal( $lowest, wc_get_price_decimals() ),
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'priceCurrency' => $currency,
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'valueAddedTaxIncluded' => wc_prices_include_tax() ? 'true' : 'false',
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),
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);
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} else {
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$markup_offer = array(
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'@type' => 'AggregateOffer',
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'lowPrice' => wc_format_decimal( $lowest, wc_get_price_decimals() ),
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'highPrice' => wc_format_decimal( $highest, wc_get_price_decimals() ),
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'offerCount' => count( $product->get_children() ),
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);
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}
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} else {
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if ( $product->is_on_sale() && $product->get_date_on_sale_to() ) {
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$price_valid_until = gmdate( 'Y-m-d', $product->get_date_on_sale_to()->getTimestamp() );
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}
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$markup_offer = array(
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'@type' => 'Offer',
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'price' => wc_format_decimal( $product->get_price(), wc_get_price_decimals() ),
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'priceValidUntil' => $price_valid_until,
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'priceSpecification' => array(
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'price' => wc_format_decimal( $product->get_price(), wc_get_price_decimals() ),
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'priceCurrency' => $currency,
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'valueAddedTaxIncluded' => wc_prices_include_tax() ? 'true' : 'false',
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),
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);
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}
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$markup_offer += array(
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'priceCurrency' => $currency,
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'availability' => 'http://schema.org/' . ( $product->is_in_stock() ? 'InStock' : 'OutOfStock' ),
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'url' => $permalink,
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'seller' => array(
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'@type' => 'Organization',
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'name' => $shop_name,
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'url' => $shop_url,
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),
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);
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$markup['offers'] = array( apply_filters( 'woocommerce_structured_data_product_offer', $markup_offer, $product ) );
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}
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if ( $product->get_rating_count() && wc_review_ratings_enabled() ) {
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$markup['aggregateRating'] = array(
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'@type' => 'AggregateRating',
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'ratingValue' => $product->get_average_rating(),
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'reviewCount' => $product->get_review_count(),
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);
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// Markup 5 most recent rating/review.
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$comments = get_comments(
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array(
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'number' => 5,
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'post_id' => $product->get_id(),
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'status' => 'approve',
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'post_status' => 'publish',
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'post_type' => 'product',
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'parent' => 0,
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'meta_query' => array( // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
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array(
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'key' => 'rating',
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'type' => 'NUMERIC',
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'compare' => '>',
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'value' => 0,
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),
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),
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)
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);
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if ( $comments ) {
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$markup['review'] = array();
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foreach ( $comments as $comment ) {
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$markup['review'][] = array(
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'@type' => 'Review',
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'reviewRating' => array(
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'@type' => 'Rating',
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'bestRating' => '5',
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'ratingValue' => get_comment_meta( $comment->comment_ID, 'rating', true ),
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'worstRating' => '1',
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),
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'author' => array(
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'@type' => 'Person',
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'name' => get_comment_author( $comment ),
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),
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'reviewBody' => get_comment_text( $comment ),
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'datePublished' => get_comment_date( 'c', $comment ),
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);
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}
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}
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}
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// Check we have required data.
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if ( empty( $markup['aggregateRating'] ) && empty( $markup['offers'] ) && empty( $markup['review'] ) ) {
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return;
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}
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$this->set_data( apply_filters( 'woocommerce_structured_data_product', $markup, $product ) );
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}
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/**
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* Generates Review structured data.
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*
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* Hooked into `woocommerce_review_meta` action hook.
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*
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* @param WP_Comment $comment Comment data.
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*/
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public function generate_review_data( $comment ) {
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$markup = array();
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$markup['@type'] = 'Review';
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$markup['@id'] = get_comment_link( $comment->comment_ID );
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$markup['datePublished'] = get_comment_date( 'c', $comment->comment_ID );
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$markup['description'] = get_comment_text( $comment->comment_ID );
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$markup['itemReviewed'] = array(
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'@type' => 'Product',
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'name' => get_the_title( $comment->comment_post_ID ),
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);
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// Skip replies unless they have a rating.
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$rating = get_comment_meta( $comment->comment_ID, 'rating', true );
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if ( $rating ) {
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$markup['reviewRating'] = array(
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'@type' => 'Rating',
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'bestRating' => '5',
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'ratingValue' => $rating,
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'worstRating' => '1',
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);
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} elseif ( $comment->comment_parent ) {
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return;
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}
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$markup['author'] = array(
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'@type' => 'Person',
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'name' => get_comment_author( $comment->comment_ID ),
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);
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$this->set_data( apply_filters( 'woocommerce_structured_data_review', $markup, $comment ) );
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}
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/**
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* Generates BreadcrumbList structured data.
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*
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* Hooked into `woocommerce_breadcrumb` action hook.
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*
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* @param WC_Breadcrumb $breadcrumbs Breadcrumb data.
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*/
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public function generate_breadcrumblist_data( $breadcrumbs ) {
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$crumbs = $breadcrumbs->get_breadcrumb();
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if ( empty( $crumbs ) || ! is_array( $crumbs ) ) {
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return;
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}
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$markup = array();
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$markup['@type'] = 'BreadcrumbList';
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$markup['itemListElement'] = array();
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foreach ( $crumbs as $key => $crumb ) {
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$markup['itemListElement'][ $key ] = array(
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'@type' => 'ListItem',
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'position' => $key + 1,
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'item' => array(
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'name' => $crumb[0],
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),
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);
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if ( ! empty( $crumb[1] ) ) {
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$markup['itemListElement'][ $key ]['item'] += array( '@id' => $crumb[1] );
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} elseif ( isset( $_SERVER['HTTP_HOST'], $_SERVER['REQUEST_URI'] ) ) {
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$current_url = set_url_scheme( 'http://' . wp_unslash( $_SERVER['HTTP_HOST'] ) . wp_unslash( $_SERVER['REQUEST_URI'] ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
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$markup['itemListElement'][ $key ]['item'] += array( '@id' => $current_url );
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}
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}
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$this->set_data( apply_filters( 'woocommerce_structured_data_breadcrumblist', $markup, $breadcrumbs ) );
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}
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/**
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* Generates WebSite structured data.
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*
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* Hooked into `woocommerce_before_main_content` action hook.
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*/
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public function generate_website_data() {
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$markup = array();
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$markup['@type'] = 'WebSite';
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$markup['name'] = get_bloginfo( 'name' );
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$markup['url'] = home_url();
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$markup['potentialAction'] = array(
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'@type' => 'SearchAction',
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'target' => home_url( '?s={search_term_string}&post_type=product' ),
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'query-input' => 'required name=search_term_string',
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);
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$this->set_data( apply_filters( 'woocommerce_structured_data_website', $markup ) );
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}
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/**
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* Generates Order structured data.
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*
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* Hooked into `woocommerce_email_order_details` action hook.
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*
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* @param WP_Order $order Order data.
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* @param bool $sent_to_admin Send to admin (default: false).
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* @param bool $plain_text Plain text email (default: false).
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*/
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public function generate_order_data( $order, $sent_to_admin = false, $plain_text = false ) {
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if ( $plain_text || ! is_a( $order, 'WC_Order' ) ) {
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return;
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}
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$shop_name = get_bloginfo( 'name' );
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$shop_url = home_url();
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$order_url = $sent_to_admin ? $order->get_edit_order_url() : $order->get_view_order_url();
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$order_statuses = array(
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'pending' => 'https://schema.org/OrderPaymentDue',
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'processing' => 'https://schema.org/OrderProcessing',
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'on-hold' => 'https://schema.org/OrderProblem',
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'completed' => 'https://schema.org/OrderDelivered',
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'cancelled' => 'https://schema.org/OrderCancelled',
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'refunded' => 'https://schema.org/OrderReturned',
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'failed' => 'https://schema.org/OrderProblem',
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);
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$markup_offers = array();
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foreach ( $order->get_items() as $item ) {
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if ( ! apply_filters( 'woocommerce_order_item_visible', true, $item ) ) {
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continue;
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}
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$product = $item->get_product();
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$product_exists = is_object( $product );
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$is_visible = $product_exists && $product->is_visible();
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$markup_offers[] = array(
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'@type' => 'Offer',
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'price' => $order->get_line_subtotal( $item ),
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'priceCurrency' => $order->get_currency(),
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'priceSpecification' => array(
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'price' => $order->get_line_subtotal( $item ),
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'priceCurrency' => $order->get_currency(),
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'eligibleQuantity' => array(
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'@type' => 'QuantitativeValue',
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'value' => apply_filters( 'woocommerce_email_order_item_quantity', $item->get_quantity(), $item ),
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),
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),
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'itemOffered' => array(
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'@type' => 'Product',
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'name' => wp_kses_post( apply_filters( 'woocommerce_order_item_name', $item->get_name(), $item, $is_visible ) ),
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'sku' => $product_exists ? $product->get_sku() : '',
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'image' => $product_exists ? wp_get_attachment_image_url( $product->get_image_id() ) : '',
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'url' => $is_visible ? get_permalink( $product->get_id() ) : get_home_url(),
|
|
),
|
|
'seller' => array(
|
|
'@type' => 'Organization',
|
|
'name' => $shop_name,
|
|
'url' => $shop_url,
|
|
),
|
|
);
|
|
}
|
|
|
|
$markup = array();
|
|
$markup['@type'] = 'Order';
|
|
$markup['url'] = $order_url;
|
|
$markup['orderStatus'] = isset( $order_statuses[ $order->get_status() ] ) ? $order_statuses[ $order->get_status() ] : '';
|
|
$markup['orderNumber'] = $order->get_order_number();
|
|
$markup['orderDate'] = $order->get_date_created()->format( 'c' );
|
|
$markup['acceptedOffer'] = $markup_offers;
|
|
$markup['discount'] = $order->get_total_discount();
|
|
$markup['discountCurrency'] = $order->get_currency();
|
|
$markup['price'] = $order->get_total();
|
|
$markup['priceCurrency'] = $order->get_currency();
|
|
$markup['priceSpecification'] = array(
|
|
'price' => $order->get_total(),
|
|
'priceCurrency' => $order->get_currency(),
|
|
'valueAddedTaxIncluded' => 'true',
|
|
);
|
|
$markup['billingAddress'] = array(
|
|
'@type' => 'PostalAddress',
|
|
'name' => $order->get_formatted_billing_full_name(),
|
|
'streetAddress' => $order->get_billing_address_1(),
|
|
'postalCode' => $order->get_billing_postcode(),
|
|
'addressLocality' => $order->get_billing_city(),
|
|
'addressRegion' => $order->get_billing_state(),
|
|
'addressCountry' => $order->get_billing_country(),
|
|
'email' => $order->get_billing_email(),
|
|
'telephone' => $order->get_billing_phone(),
|
|
);
|
|
$markup['customer'] = array(
|
|
'@type' => 'Person',
|
|
'name' => $order->get_formatted_billing_full_name(),
|
|
);
|
|
$markup['merchant'] = array(
|
|
'@type' => 'Organization',
|
|
'name' => $shop_name,
|
|
'url' => $shop_url,
|
|
);
|
|
$markup['potentialAction'] = array(
|
|
'@type' => 'ViewAction',
|
|
'name' => 'View Order',
|
|
'url' => $order_url,
|
|
'target' => $order_url,
|
|
);
|
|
|
|
$this->set_data( apply_filters( 'woocommerce_structured_data_order', $markup, $sent_to_admin, $order ), true );
|
|
}
|
|
}
|