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<?php |
| 2 |
/** |
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* Global SEO Schema Output Class |
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* |
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* Handles JSON-LD schema markup output based on Global SEO settings for different post types. |
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* Generates appropriate schema markup according to the schema_type setting configured in |
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* the Global SEO options for each post type. |
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* |
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* @package ThinkRank\Frontend |
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* @subpackage SEO |
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* @since 1.0.0 |
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*/ |
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|
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declare(strict_types=1); |
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|
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namespace ThinkRank\Frontend; |
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|
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// Prevent direct access |
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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/** |
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* Global SEO Schema Output Class |
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* |
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* Generates and outputs JSON-LD schema markup based on Global SEO settings. |
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* Supports various schema types including WebPage, Article, BlogPosting, etc. |
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* |
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* @since 1.0.0 |
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*/ |
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class Global_SEO_Schema_Output { |
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|
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/** |
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* WordPress option name for storing global SEO settings |
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* |
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* @since 1.0.0 |
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* @var string |
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*/ |
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private const OPTION_NAME = 'thinkrank_global_seo_settings'; |
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|
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/** |
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* Schema context URL |
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* |
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* @since 1.0.0 |
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* @var string |
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*/ |
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private const SCHEMA_CONTEXT = 'https://schema.org'; |
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|
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/** |
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* Initialize the schema output |
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* |
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* @since 1.0.0 |
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*/ |
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public function init(): void { |
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// Hook into wp_head to output schema markup |
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add_action('wp_head', [$this, 'output_global_seo_schema'], 15); |
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|
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// One Product entity per product page: when ThinkRank emits the |
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// Product schema (the default for WooCommerce products), WooCommerce |
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// core's own JSON-LD must stand down, or the page carries two |
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// aggregateRating blocks and Search Console raises the critical |
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// "Review has multiple aggregate ratings" error. Registered eagerly |
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// and decided lazily inside the callback, because WooCommerce |
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// generates its data during the product template render — which on |
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// block themes can run before wp_head, too early for a flag set at |
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// output time to exist yet. |
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add_filter('woocommerce_structured_data_product', [$this, 'suppress_woocommerce_product_schema'], 20, 2); |
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} |
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|
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/** |
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* Yield WooCommerce's Product structured data when ThinkRank emits the |
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* Product entity for the page being viewed. |
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* |
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* Mirrors what other SEO plugins do with WC_Structured_Data: exactly one |
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* plugin may describe the product. Suppression is surgical — only the |
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* queried product on its own singular view, only when this class's |
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* settings resolution says a Product schema will be generated (explicit |
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* or the WooCommerce default), and WooCommerce's breadcrumb and other |
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* structured data are never touched. With ThinkRank's product schema |
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* disabled or set to another type, WooCommerce's markup passes through |
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* unchanged. |
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* |
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* @since 2.0.1 |
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* @param array $markup WooCommerce's generated Product markup. |
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* @param mixed $product WC_Product being described. |
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* @return array Original markup, or empty to suppress. |
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*/ |
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public function suppress_woocommerce_product_schema($markup, $product = null) { |
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if (!is_array($markup) || !is_singular()) { |
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return $markup; |
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} |
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|
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// Only the main product of this page — a card grid or related-products |
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// widget describing other products is not ours to silence. |
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$queried_id = (int) get_queried_object_id(); |
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$product_id = is_object($product) && method_exists($product, 'get_id') ? (int) $product->get_id() : 0; |
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if (!$queried_id || !$product_id || $queried_id !== $product_id) { |
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return $markup; |
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} |
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|
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$post_type = (string) get_post_type($queried_id); |
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if ($post_type === '') { |
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return $markup; |
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} |
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|
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$settings = $this->get_global_seo_settings($post_type); |
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if (($settings['schema_type'] ?? '') === 'Product') { |
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return []; |
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} |
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|
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// A per-post DEPLOYED Product schema duplicates WooCommerce's markup |
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// just the same, even when the post-type-wide setting points elsewhere. |
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// Checked second because the default path above answers without a |
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// query; this one is a single indexed lookup and only runs on the |
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// rare configured-away sites. |
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if ($this->post_has_deployed_product_schema($queried_id)) { |
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return []; |
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} |
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|
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return $markup; |
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} |
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|
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/** |
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* Whether an active per-post Product schema deployment exists for a post. |
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* |
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* Reads the deployment table directly rather than constructing |
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* Schema_Management_System — this runs inside WooCommerce's structured |
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* data filter on product pages, where spinning up the full manager (and |
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* its builder) to answer a yes/no question would be waste. Query shape |
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* matches get_deployed_schemas(): active rows for the post context. |
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* |
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* @since 2.0.1 |
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* @param int $post_id Post to check. |
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* @return bool |
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*/ |
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private function post_has_deployed_product_schema(int $post_id): bool { |
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global $wpdb; |
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|
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$table = $wpdb->prefix . 'thinkrank_seo_schema'; |
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|
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// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- one indexed EXISTS-style lookup on the render path; the deployment cache layer belongs to the full manager this deliberately avoids constructing. |
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$found = $wpdb->get_var($wpdb->prepare( |
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"SELECT 1 FROM {$table} WHERE context_type = 'post' AND context_id = %d AND schema_type = 'Product' AND is_active = 1 LIMIT 1", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- table name from $wpdb->prefix. |
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$post_id |
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)); |
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|
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return '1' === (string) $found; |
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} |
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|
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/** |
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* Output JSON-LD schema markup based on Global SEO settings |
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* |
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* @since 1.0.0 |
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* @return void |
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*/ |
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public function output_global_seo_schema(): void { |
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// Archives get a CollectionPage schema instead of the per-post-type one |
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if (!is_singular()) { |
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$this->output_archive_schema(); |
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return; |
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} |
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|
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$post = get_post(); |
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if (!$post) { |
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return; |
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} |
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|
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$post_type = get_post_type($post); |
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if (!$post_type) { |
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return; |
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} |
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|
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// Get Global SEO settings for this post type |
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$settings = $this->get_global_seo_settings($post_type); |
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if (empty($settings) || empty($settings['schema_type'])) { |
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return; |
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} |
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|
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$schema_type = $settings['schema_type']; |
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$article_type = $settings['article_type'] ?? ''; |
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$media_type = $settings['media_type'] ?? ''; |
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|
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// Generate schema markup |
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$schema = $this->generate_schema($schema_type, $article_type, $media_type, $post); |
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|
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if (empty($schema)) { |
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return; |
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} |
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|
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/** |
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* Filter the generated schema graph before output. |
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* |
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* Lets add-ons (e.g. ThinkRank Pro's WooCommerce module) enrich the |
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* schema — adding GTIN/MPN, variation offers, brand, etc. — without |
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* forking this class. |
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* |
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* @since 1.14.0 |
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* |
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* @param array $schema The schema array. |
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* @param string $schema_type The configured schema type. |
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* @param \WP_Post $post The current post. |
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*/ |
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$schema = apply_filters('thinkrank_schema_output', $schema, $schema_type, $post); |
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|
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if (empty($schema)) { |
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return; |
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} |
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|
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// Register as a candidate for the page's single page-level entity. The |
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// Schema Manager's per-post deployment outranks this post-type-wide |
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// default when both describe the same page (#355). |
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$this->register_schema($schema, $schema_type, 'global_seo'); |
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} |
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|
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/** |
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* Output CollectionPage schema for archive contexts. |
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* |
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* Covers the blog home, post type archives (e.g. a docs archive) and |
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* taxonomy archives. Search results, 404s and other contexts get nothing. |
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* |
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* @since 1.16.0 |
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* @return void |
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*/ |
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private function output_archive_schema(): void { |
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$name = ''; |
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$url = ''; |
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$description = ''; |
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|
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if (is_home() && !is_front_page()) { |
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$posts_page_id = (int) get_option('page_for_posts'); |
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$name = $posts_page_id ? get_the_title($posts_page_id) : __('Blog', 'thinkrank'); |
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$url = $posts_page_id ? (string) get_permalink($posts_page_id) : home_url('/'); |
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} elseif (is_post_type_archive()) { |
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$post_type_object = get_queried_object(); |
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|
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// WooCommerce maps the shop archive onto a real page, so |
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// get_queried_object() returns that WP_Post while |
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// is_post_type_archive() is still true. Bailing here left every |
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// store's main archive with no CollectionPage (#466). Fall back to |
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// the query var, exactly as the canonical resolver already does. |
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if (!$post_type_object instanceof \WP_Post_Type) { |
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$queried_post_type = (string) get_query_var('post_type'); |
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$post_type_object = $queried_post_type |
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? get_post_type_object($queried_post_type) |
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: null; |
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} |
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|
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if (!$post_type_object instanceof \WP_Post_Type) { |
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return; |
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} |
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$name = $post_type_object->labels->name ?? $post_type_object->label; |
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$url = (string) get_post_type_archive_link($post_type_object->name); |
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$description = $post_type_object->description; |
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} elseif (is_category() || is_tag() || is_tax()) { |
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$term = get_queried_object(); |
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if (!$term instanceof \WP_Term) { |
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return; |
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} |
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$term_link = get_term_link($term); |
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if (is_wp_error($term_link)) { |
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return; |
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} |
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$name = $term->name; |
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$url = $term_link; |
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$description = (string) term_description($term); |
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} else { |
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return; |
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} |
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|
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if (empty($url)) { |
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return; |
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} |
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|
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// Page 2 of an archive is a different URL and must be a different node. |
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// The link above is always the un-paginated one, so Schema_Graph::base_url() |
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// minted the identical #collectionpage and #breadcrumb @id on every |
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// page — distinct URLs claiming the same node identity (#397). |
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$url = \ThinkRank\Frontend\SEO_Manager::with_pagination( |
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(string) $url, |
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\ThinkRank\Frontend\SEO_Manager::current_page_number() |
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); |
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|
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$schema = [ |
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'@context' => self::SCHEMA_CONTEXT, |
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'@type' => 'CollectionPage', |
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'name' => $name, |
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'url' => $url, |
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'isPartOf' => [ |
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'@type' => 'WebSite', |
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'@id' => home_url('/#website'), |
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'url' => home_url('/'), |
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], |
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]; |
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|
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$description = trim(wp_strip_all_tags($description)); |
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if (!empty($description)) { |
| 297 |
$schema['description'] = $description; |
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} |
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|
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/** |
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* Filter the archive CollectionPage schema before output. |
| 302 |
* |
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* @since 1.16.0 |
| 304 |
* |
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* @param array $schema The schema array ([] suppresses output). |
| 306 |
*/ |
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$schema = apply_filters('thinkrank_archive_schema_output', $schema); |
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|
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if (empty($schema)) { |
| 310 |
return; |
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} |
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|
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$this->register_schema($schema, 'CollectionPage', 'global_seo'); |
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} |
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|
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/** |
| 317 |
* Whether ThinkRank would emit structured data for a given post type. |
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* |
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* Reflects the exact decision `output_global_seo_schema()` makes for |
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* singular views: schema is emitted when a `schema_type` resolves for the |
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* post type — either an explicit saved value or the built-in per-post-type |
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* default. Exposed so the Site SEO Analyzer can ask the output layer |
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* directly instead of re-reading a legacy option, keeping the audit and the |
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* rendered page from ever disagreeing about whether schema is configured. |
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* |
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* @since 1.23.1 |
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* @param string $post_type Post type slug. |
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* @return bool True when structured data would be output for this post type. |
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*/ |
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public function would_output_schema(string $post_type): bool { |
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$settings = $this->get_global_seo_settings($post_type); |
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|
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return !empty($settings['schema_type']); |
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} |
| 335 |
|
| 336 |
/** |
| 337 |
* Whether this post type has a SAVED schema type, ignoring the built-in |
| 338 |
* per-post-type default. |
| 339 |
* |
| 340 |
* would_output_schema() answers "will JSON-LD be emitted?", which the |
| 341 |
* fallback in get_global_seo_settings() makes true for every public post |
| 342 |
* type. The audit needs the different question "has the user configured |
| 343 |
* anything?", so this reads the stored option without the default merge. |
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* |
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* @since 2.2.0 |
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* @param string $post_type Post type. |
| 347 |
* @return bool True when an explicit schema_type is stored for this type. |
| 348 |
*/ |
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public function has_explicit_schema_type(string $post_type): bool { |
| 350 |
$all_settings = get_option(self::OPTION_NAME, []); |
| 351 |
|
| 352 |
return !empty($all_settings[$post_type]['schema_type']); |
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} |
| 354 |
|
| 355 |
/** |
| 356 |
* Get Global SEO settings for a specific post type |
| 357 |
* |
| 358 |
* @since 1.0.0 |
| 359 |
* @param string $post_type Post type |
| 360 |
* @return array Settings array |
| 361 |
*/ |
| 362 |
private function get_global_seo_settings(string $post_type): array { |
| 363 |
$all_settings = get_option(self::OPTION_NAME, []); |
| 364 |
$settings = $all_settings[$post_type] ?? []; |
| 365 |
|
| 366 |
// Fall back to a sensible default schema type when nothing is saved for |
| 367 |
// this post type, so structured data works out of the box on sites that |
| 368 |
// never opened the Global SEO settings (e.g. migrated from Rank Math). |
| 369 |
// An explicit saved schema_type always wins. Mirrors the per-post-type |
| 370 |
// defaults the REST endpoint (Global_SEO_Endpoint::get_default_settings) |
| 371 |
// exposes to the admin UI. |
| 372 |
if (empty($settings['schema_type'])) { |
| 373 |
$default = $this->get_default_schema_type($post_type); |
| 374 |
if ($default !== null) { |
| 375 |
$settings = array_merge($default, $settings); |
| 376 |
} |
| 377 |
} |
| 378 |
|
| 379 |
return $settings; |
| 380 |
} |
| 381 |
|
| 382 |
/** |
| 383 |
* Default schema type (and sub-type) for a post type when unconfigured. |
| 384 |
* |
| 385 |
* @since 1.15.x |
| 386 |
* @param string $post_type Post type slug |
| 387 |
* @return array|null ['schema_type' => ..., 'article_type' => ..., 'media_type' => ...] or null to emit nothing |
| 388 |
*/ |
| 389 |
private function get_default_schema_type(string $post_type): ?array { |
| 390 |
switch ($post_type) { |
| 391 |
case 'post': |
| 392 |
return ['schema_type' => 'Article', 'article_type' => 'BlogPosting', 'media_type' => '']; |
| 393 |
case 'page': |
| 394 |
return ['schema_type' => 'WebPage', 'article_type' => '', 'media_type' => '']; |
| 395 |
case 'attachment': |
| 396 |
return ['schema_type' => 'Media', 'article_type' => '', 'media_type' => 'ImageObject']; |
| 397 |
case 'product': |
| 398 |
// Only claim Product schema when WooCommerce is actually present, |
| 399 |
// so a generic CPT named "product" without WooCommerce still gets |
| 400 |
// WebPage rather than an offers-less Product graph. |
| 401 |
return class_exists('WooCommerce') |
| 402 |
? ['schema_type' => 'Product', 'article_type' => '', 'media_type' => ''] |
| 403 |
: ['schema_type' => 'WebPage', 'article_type' => '', 'media_type' => '']; |
| 404 |
default: |
| 405 |
// Public custom post types (e.g. BetterDocs `docs`) get WebPage. |
| 406 |
$object = get_post_type_object($post_type); |
| 407 |
if ($object && empty($object->public)) { |
| 408 |
return null; |
| 409 |
} |
| 410 |
return ['schema_type' => 'WebPage', 'article_type' => '', 'media_type' => '']; |
| 411 |
} |
| 412 |
} |
| 413 |
|
| 414 |
/** |
| 415 |
* Generate schema markup based on schema type |
| 416 |
* |
| 417 |
* @since 1.0.0 |
| 418 |
* @param string $schema_type Schema type (e.g., 'Article', 'WebPage', 'Media') |
| 419 |
* @param string $article_type Article type (e.g., 'BlogPosting', 'NewsArticle') |
| 420 |
* @param string $media_type Media type (e.g., 'ImageObject', 'VideoObject') |
| 421 |
* @param \WP_Post $post WordPress post object |
| 422 |
* @return array Schema markup array |
| 423 |
*/ |
| 424 |
private function generate_schema(string $schema_type, string $article_type, string $media_type, \WP_Post $post): array { |
| 425 |
// Determine the actual type to use based on schema_type and sub-types |
| 426 |
$type = $schema_type; |
| 427 |
|
| 428 |
// Use article_type if schema_type is 'Article' and article_type is specified |
| 429 |
if ($schema_type === 'Article' && !empty($article_type)) { |
| 430 |
$type = $article_type; |
| 431 |
} |
| 432 |
|
| 433 |
// Use media_type if schema_type is 'Media' and media_type is specified |
| 434 |
if ($schema_type === 'Media' && !empty($media_type)) { |
| 435 |
$type = $media_type; |
| 436 |
} |
| 437 |
|
| 438 |
// Generate schema based on type |
| 439 |
switch ($type) { |
| 440 |
case 'Article': |
| 441 |
case 'BlogPosting': |
| 442 |
case 'NewsArticle': |
| 443 |
case 'ScholarlyArticle': |
| 444 |
case 'TechArticle': |
| 445 |
return $this->generate_article_schema($type, $post); |
| 446 |
|
| 447 |
case 'FAQPage': |
| 448 |
return $this->generate_faq_schema($post); |
| 449 |
|
| 450 |
case 'WebPage': |
| 451 |
case 'AboutPage': |
| 452 |
case 'ContactPage': |
| 453 |
case 'ProfilePage': |
| 454 |
return $this->generate_webpage_schema($type, $post); |
| 455 |
|
| 456 |
case 'ImageObject': |
| 457 |
return $this->generate_image_schema($post); |
| 458 |
|
| 459 |
case 'VideoObject': |
| 460 |
return $this->generate_video_schema($post); |
| 461 |
|
| 462 |
case 'Product': |
| 463 |
return $this->generate_product_schema($post); |
| 464 |
|
| 465 |
case 'Event': |
| 466 |
return $this->generate_event_schema($post); |
| 467 |
|
| 468 |
case 'Media': |
| 469 |
// Fallback to ImageObject if Media is selected but no media_type specified |
| 470 |
return $this->generate_image_schema($post); |
| 471 |
|
| 472 |
default: |
| 473 |
// Fallback to WebPage for unknown types |
| 474 |
return $this->generate_webpage_schema('WebPage', $post); |
| 475 |
} |
| 476 |
} |
| 477 |
|
| 478 |
/** |
| 479 |
* Generate Article schema markup |
| 480 |
* |
| 481 |
* @since 1.0.0 |
| 482 |
* @param string $type Article type |
| 483 |
* @param \WP_Post $post WordPress post object |
| 484 |
* @return array Schema markup |
| 485 |
*/ |
| 486 |
private function generate_article_schema(string $type, \WP_Post $post): array { |
| 487 |
$schema = [ |
| 488 |
'@context' => self::SCHEMA_CONTEXT, |
| 489 |
'@type' => $type, |
| 490 |
'headline' => get_the_title($post), |
| 491 |
'url' => get_permalink($post), |
| 492 |
'datePublished' => get_the_date('c', $post), |
| 493 |
'dateModified' => get_the_modified_date('c', $post), |
| 494 |
]; |
| 495 |
|
| 496 |
// Add description |
| 497 |
$excerpt = get_the_excerpt($post); |
| 498 |
if (!empty($excerpt)) { |
| 499 |
$schema['description'] = wp_strip_all_tags($excerpt); |
| 500 |
} |
| 501 |
|
| 502 |
// Add author |
| 503 |
$author_id = $post->post_author; |
| 504 |
if ($author_id) { |
| 505 |
$schema['author'] = [ |
| 506 |
'@type' => 'Person', |
| 507 |
'name' => get_the_author_meta('display_name', $author_id), |
| 508 |
'url' => get_author_posts_url($author_id), |
| 509 |
]; |
| 510 |
} |
| 511 |
|
| 512 |
// Add publisher (site info) |
| 513 |
$schema['publisher'] = $this->get_publisher_schema(); |
| 514 |
|
| 515 |
// Add featured image if available |
| 516 |
if (has_post_thumbnail($post)) { |
| 517 |
$image_id = get_post_thumbnail_id($post); |
| 518 |
$image_url = wp_get_attachment_image_url($image_id, 'full'); |
| 519 |
if ($image_url) { |
| 520 |
$schema['image'] = [ |
| 521 |
'@type' => 'ImageObject', |
| 522 |
'url' => $image_url, |
| 523 |
]; |
| 524 |
|
| 525 |
// Add image dimensions if available |
| 526 |
$image_meta = wp_get_attachment_metadata($image_id); |
| 527 |
if (!empty($image_meta['width']) && !empty($image_meta['height'])) { |
| 528 |
$schema['image']['width'] = $image_meta['width']; |
| 529 |
$schema['image']['height'] = $image_meta['height']; |
| 530 |
} |
| 531 |
} |
| 532 |
} |
| 533 |
|
| 534 |
// Add main entity of page |
| 535 |
$schema['mainEntityOfPage'] = [ |
| 536 |
'@type' => 'WebPage', |
| 537 |
'@id' => get_permalink($post), |
| 538 |
]; |
| 539 |
|
| 540 |
return $schema; |
| 541 |
} |
| 542 |
|
| 543 |
/** |
| 544 |
* Generate FAQPage schema markup |
| 545 |
* |
| 546 |
* FAQPage previously fell through to generate_webpage_schema(), which emits a |
| 547 |
* WebPage-shaped object labelled @type FAQPage with no mainEntity — invalid for |
| 548 |
* rich results. Delegate to Schema_Builder instead, which owns the FAQ question |
| 549 |
* extraction already used by the deploy path, rather than growing a second |
| 550 |
* FAQ implementation here. |
| 551 |
* |
| 552 |
* Unlike the deploy path, this runs automatically on every post of the type with |
| 553 |
* no human reviewing the result, so questions that don't actually read as |
| 554 |
* questions are dropped and a page with none left falls back to WebPage — an |
| 555 |
* FAQPage with an empty mainEntity is worse than a valid WebPage. |
| 556 |
* |
| 557 |
* @since 1.32.0 |
| 558 |
* @param \WP_Post $post WordPress post object |
| 559 |
* @return array Schema markup |
| 560 |
*/ |
| 561 |
private function generate_faq_schema(\WP_Post $post): array { |
| 562 |
if (!class_exists('ThinkRank\\SEO\\Schema_Builder')) { |
| 563 |
$builder_file = THINKRANK_PLUGIN_DIR . 'includes/seo/class-schema-builder.php'; |
| 564 |
if (!file_exists($builder_file)) { |
| 565 |
return $this->generate_webpage_schema('WebPage', $post); |
| 566 |
} |
| 567 |
require_once $builder_file; |
| 568 |
} |
| 569 |
|
| 570 |
$excerpt = get_the_excerpt($post); |
| 571 |
|
| 572 |
$builder = new \ThinkRank\SEO\Schema_Builder(); |
| 573 |
$schema = $builder->build_schema( |
| 574 |
'FAQPage', |
| 575 |
[ |
| 576 |
'title' => get_the_title($post), |
| 577 |
'content' => $post->post_content, |
| 578 |
'excerpt' => $excerpt ? wp_strip_all_tags($excerpt) : '', |
| 579 |
'url' => get_permalink($post), |
| 580 |
], |
| 581 |
get_post_type($post) === 'page' ? 'page' : 'post' |
| 582 |
); |
| 583 |
|
| 584 |
if (!empty($schema['_error'])) { |
| 585 |
return $this->generate_webpage_schema('WebPage', $post); |
| 586 |
} |
| 587 |
|
| 588 |
$schema['mainEntity'] = $this->filter_faq_entities($schema['mainEntity'] ?? []); |
| 589 |
|
| 590 |
// No usable Q&A pairs — emit a valid WebPage rather than an empty FAQPage. |
| 591 |
if (empty($schema['mainEntity'])) { |
| 592 |
return $this->generate_webpage_schema('WebPage', $post); |
| 593 |
} |
| 594 |
|
| 595 |
$schema['datePublished'] = get_the_date('c', $post); |
| 596 |
$schema['dateModified'] = get_the_modified_date('c', $post); |
| 597 |
|
| 598 |
return $schema; |
| 599 |
} |
| 600 |
|
| 601 |
/** |
| 602 |
* Keep only FAQ entities that genuinely read as a question/answer pair. |
| 603 |
* |
| 604 |
* Schema_Builder's content extraction falls back to a heading-followed-by-paragraph |
| 605 |
* pattern, which on an ordinary page matches every section and would fabricate Q&A |
| 606 |
* that never appears on the page as such. |
| 607 |
* |
| 608 |
* @since 1.32.0 |
| 609 |
* @param array $entities Candidate mainEntity entries |
| 610 |
* @return array Filtered entries |
| 611 |
*/ |
| 612 |
private function filter_faq_entities(array $entities): array { |
| 613 |
$filtered = []; |
| 614 |
|
| 615 |
foreach ($entities as $entity) { |
| 616 |
$question = isset($entity['name']) ? trim((string) $entity['name']) : ''; |
| 617 |
$answer = isset($entity['acceptedAnswer']['text']) |
| 618 |
? trim((string) $entity['acceptedAnswer']['text']) |
| 619 |
: ''; |
| 620 |
|
| 621 |
if ($question === '' || $answer === '' || strpos($question, '?') === false) { |
| 622 |
continue; |
| 623 |
} |
| 624 |
|
| 625 |
$filtered[] = $entity; |
| 626 |
} |
| 627 |
|
| 628 |
return array_values($filtered); |
| 629 |
} |
| 630 |
|
| 631 |
/** |
| 632 |
* Generate WebPage schema markup |
| 633 |
* |
| 634 |
* @since 1.0.0 |
| 635 |
* @param string $type WebPage type |
| 636 |
* @param \WP_Post $post WordPress post object |
| 637 |
* @return array Schema markup |
| 638 |
*/ |
| 639 |
private function generate_webpage_schema(string $type, \WP_Post $post): array { |
| 640 |
$schema = [ |
| 641 |
'@context' => self::SCHEMA_CONTEXT, |
| 642 |
'@type' => $type, |
| 643 |
'name' => get_the_title($post), |
| 644 |
'url' => get_permalink($post), |
| 645 |
'datePublished' => get_the_date('c', $post), |
| 646 |
'dateModified' => get_the_modified_date('c', $post), |
| 647 |
]; |
| 648 |
|
| 649 |
// Add description |
| 650 |
$excerpt = get_the_excerpt($post); |
| 651 |
if (!empty($excerpt)) { |
| 652 |
$schema['description'] = wp_strip_all_tags($excerpt); |
| 653 |
} |
| 654 |
|
| 655 |
// Add featured image if available |
| 656 |
if (has_post_thumbnail($post)) { |
| 657 |
$image_url = get_the_post_thumbnail_url($post, 'full'); |
| 658 |
if ($image_url) { |
| 659 |
$schema['image'] = $image_url; |
| 660 |
} |
| 661 |
} |
| 662 |
|
| 663 |
return $schema; |
| 664 |
} |
| 665 |
|
| 666 |
/** |
| 667 |
* Generate ImageObject schema markup |
| 668 |
* |
| 669 |
* @since 1.0.0 |
| 670 |
* @param \WP_Post $post WordPress post object (attachment) |
| 671 |
* @return array Schema markup |
| 672 |
*/ |
| 673 |
private function generate_image_schema(\WP_Post $post): array { |
| 674 |
$image_url = wp_get_attachment_url($post->ID); |
| 675 |
$image_meta = wp_get_attachment_metadata($post->ID); |
| 676 |
|
| 677 |
$schema = [ |
| 678 |
'@context' => self::SCHEMA_CONTEXT, |
| 679 |
'@type' => 'ImageObject', |
| 680 |
'contentUrl' => $image_url, |
| 681 |
'url' => get_permalink($post), |
| 682 |
'name' => get_the_title($post), |
| 683 |
]; |
| 684 |
|
| 685 |
// Add caption/description |
| 686 |
$caption = wp_get_attachment_caption($post->ID); |
| 687 |
if (!empty($caption)) { |
| 688 |
$schema['caption'] = $caption; |
| 689 |
$schema['description'] = $caption; |
| 690 |
} |
| 691 |
|
| 692 |
// Add dimensions |
| 693 |
if (!empty($image_meta['width']) && !empty($image_meta['height'])) { |
| 694 |
$schema['width'] = $image_meta['width']; |
| 695 |
$schema['height'] = $image_meta['height']; |
| 696 |
} |
| 697 |
|
| 698 |
// Add upload date |
| 699 |
$schema['uploadDate'] = get_the_date('c', $post); |
| 700 |
|
| 701 |
return $schema; |
| 702 |
} |
| 703 |
|
| 704 |
/** |
| 705 |
* Generate VideoObject schema markup |
| 706 |
* |
| 707 |
* @since 1.0.0 |
| 708 |
* @param \WP_Post $post WordPress post object (attachment or post with video) |
| 709 |
* @return array Schema markup |
| 710 |
*/ |
| 711 |
private function generate_video_schema(\WP_Post $post): array { |
| 712 |
$schema = [ |
| 713 |
'@context' => self::SCHEMA_CONTEXT, |
| 714 |
'@type' => 'VideoObject', |
| 715 |
'name' => get_the_title($post), |
| 716 |
'url' => get_permalink($post), |
| 717 |
]; |
| 718 |
|
| 719 |
// Add description |
| 720 |
$description = get_the_excerpt($post); |
| 721 |
if (empty($description)) { |
| 722 |
$caption = wp_get_attachment_caption($post->ID); |
| 723 |
if (!empty($caption)) { |
| 724 |
$description = $caption; |
| 725 |
} |
| 726 |
} |
| 727 |
if (!empty($description)) { |
| 728 |
$schema['description'] = wp_strip_all_tags($description); |
| 729 |
} |
| 730 |
|
| 731 |
// For video attachments, add contentUrl |
| 732 |
if ($post->post_type === 'attachment') { |
| 733 |
$video_url = wp_get_attachment_url($post->ID); |
| 734 |
if ($video_url) { |
| 735 |
$schema['contentUrl'] = $video_url; |
| 736 |
} |
| 737 |
|
| 738 |
// Add upload date |
| 739 |
$schema['uploadDate'] = get_the_date('c', $post); |
| 740 |
} |
| 741 |
|
| 742 |
// Add thumbnail/poster image if available |
| 743 |
if (has_post_thumbnail($post)) { |
| 744 |
$thumbnail_url = get_the_post_thumbnail_url($post, 'full'); |
| 745 |
if ($thumbnail_url) { |
| 746 |
$schema['thumbnailUrl'] = $thumbnail_url; |
| 747 |
} |
| 748 |
} |
| 749 |
|
| 750 |
// Add duration if available from meta |
| 751 |
$duration = get_post_meta($post->ID, '_thinkrank_video_duration', true); |
| 752 |
if (!empty($duration)) { |
| 753 |
$schema['duration'] = $duration; // Should be in ISO 8601 format (e.g., PT1M30S) |
| 754 |
} |
| 755 |
|
| 756 |
// Add embed URL if available from meta |
| 757 |
$embed_url = get_post_meta($post->ID, '_thinkrank_video_embed_url', true); |
| 758 |
if (!empty($embed_url)) { |
| 759 |
$schema['embedUrl'] = $embed_url; |
| 760 |
} |
| 761 |
|
| 762 |
return $schema; |
| 763 |
} |
| 764 |
|
| 765 |
/** |
| 766 |
* Generate Product schema markup |
| 767 |
* |
| 768 |
* Generates valid Schema.org Product markup with required and recommended properties. |
| 769 |
* Supports custom meta fields and WooCommerce integration. |
| 770 |
* |
| 771 |
* @since 1.0.0 |
| 772 |
* @param \WP_Post $post WordPress post object |
| 773 |
* @return array Schema markup |
| 774 |
*/ |
| 775 |
private function generate_product_schema(\WP_Post $post): array { |
| 776 |
// Base Product schema with required properties |
| 777 |
$schema = [ |
| 778 |
'@context' => self::SCHEMA_CONTEXT, |
| 779 |
'@type' => 'Product', |
| 780 |
'name' => get_the_title($post), |
| 781 |
'url' => get_permalink($post), |
| 782 |
]; |
| 783 |
|
| 784 |
// Add description (required for valid Product schema) |
| 785 |
$description = $this->get_product_description($post); |
| 786 |
if (!empty($description)) { |
| 787 |
$schema['description'] = $description; |
| 788 |
} |
| 789 |
|
| 790 |
// Add image (required for valid Product schema) |
| 791 |
$image = $this->get_product_image($post); |
| 792 |
if (!empty($image)) { |
| 793 |
$schema['image'] = $image; |
| 794 |
} |
| 795 |
|
| 796 |
// Add SKU if available |
| 797 |
$sku = $this->get_product_sku($post); |
| 798 |
if (!empty($sku)) { |
| 799 |
$schema['sku'] = $sku; |
| 800 |
} |
| 801 |
|
| 802 |
// Add brand (recommended) |
| 803 |
$brand = $this->get_product_brand($post); |
| 804 |
if (!empty($brand)) { |
| 805 |
$schema['brand'] = [ |
| 806 |
'@type' => 'Brand', |
| 807 |
'name' => $brand, |
| 808 |
]; |
| 809 |
} |
| 810 |
|
| 811 |
// Add offers (required for valid Product schema) |
| 812 |
$offers = $this->get_product_offers($post); |
| 813 |
if (!empty($offers)) { |
| 814 |
$schema['offers'] = $offers; |
| 815 |
} |
| 816 |
|
| 817 |
// Add aggregate rating (recommended) |
| 818 |
$rating = $this->get_product_rating($post); |
| 819 |
if (!empty($rating)) { |
| 820 |
$schema['aggregateRating'] = $rating; |
| 821 |
} |
| 822 |
|
| 823 |
// Add reviews (recommended) |
| 824 |
$reviews = $this->get_product_reviews($post); |
| 825 |
if (!empty($reviews)) { |
| 826 |
$schema['review'] = $reviews; |
| 827 |
} |
| 828 |
|
| 829 |
return $schema; |
| 830 |
} |
| 831 |
|
| 832 |
/** |
| 833 |
* Generate Event schema markup (placeholder) |
| 834 |
* |
| 835 |
* @since 1.0.0 |
| 836 |
* @param \WP_Post $post WordPress post object |
| 837 |
* @return array Schema markup |
| 838 |
*/ |
| 839 |
private function generate_event_schema(\WP_Post $post): array { |
| 840 |
// Basic Event schema - can be extended based on requirements |
| 841 |
return $this->generate_webpage_schema('WebPage', $post); |
| 842 |
} |
| 843 |
|
| 844 |
/** |
| 845 |
* Get publisher schema (Organization or Person) |
| 846 |
* |
| 847 |
* @since 1.0.0 |
| 848 |
* @return array Publisher schema |
| 849 |
*/ |
| 850 |
private function get_publisher_schema(): array { |
| 851 |
$site_name = get_bloginfo('name'); |
| 852 |
$site_url = home_url(); |
| 853 |
|
| 854 |
$publisher = [ |
| 855 |
'@type' => 'Organization', |
| 856 |
'name' => $site_name, |
| 857 |
'url' => $site_url, |
| 858 |
]; |
| 859 |
|
| 860 |
// Add logo if available |
| 861 |
$custom_logo_id = get_theme_mod('custom_logo'); |
| 862 |
if ($custom_logo_id) { |
| 863 |
$logo_url = wp_get_attachment_image_url($custom_logo_id, 'full'); |
| 864 |
if ($logo_url) { |
| 865 |
$publisher['logo'] = [ |
| 866 |
'@type' => 'ImageObject', |
| 867 |
'url' => $logo_url, |
| 868 |
]; |
| 869 |
} |
| 870 |
} |
| 871 |
|
| 872 |
return $publisher; |
| 873 |
} |
| 874 |
|
| 875 |
/** |
| 876 |
* Get product description |
| 877 |
* |
| 878 |
* @since 1.0.0 |
| 879 |
* @param \WP_Post $post WordPress post object |
| 880 |
* @return string Product description |
| 881 |
*/ |
| 882 |
private function get_product_description(\WP_Post $post): string { |
| 883 |
// Try custom meta field first |
| 884 |
$description = get_post_meta($post->ID, '_thinkrank_product_description', true); |
| 885 |
|
| 886 |
// Fallback to excerpt or content |
| 887 |
if (empty($description)) { |
| 888 |
$description = get_the_excerpt($post); |
| 889 |
} |
| 890 |
|
| 891 |
if (empty($description)) { |
| 892 |
$description = \ThinkRank\SEO\Pattern_Resolver::derive_excerpt((string) $post->post_content, 30); |
| 893 |
} |
| 894 |
|
| 895 |
return wp_strip_all_tags($description); |
| 896 |
} |
| 897 |
|
| 898 |
/** |
| 899 |
* Get product image |
| 900 |
* |
| 901 |
* @since 1.0.0 |
| 902 |
* @param \WP_Post $post WordPress post object |
| 903 |
* @return array|string Product image data |
| 904 |
*/ |
| 905 |
private function get_product_image(\WP_Post $post) { |
| 906 |
// Try featured image first |
| 907 |
if (has_post_thumbnail($post)) { |
| 908 |
$image_id = get_post_thumbnail_id($post); |
| 909 |
$image_url = wp_get_attachment_image_url($image_id, 'full'); |
| 910 |
|
| 911 |
if ($image_url) { |
| 912 |
$image_meta = wp_get_attachment_metadata($image_id); |
| 913 |
|
| 914 |
// SVGs, offloaded media and failed metadata regeneration all |
| 915 |
// report no dimensions. Omit the keys entirely — a literal JSON |
| 916 |
// null is an invalid value that Google flags, which is what the |
| 917 |
// previous `: null` fallback emitted (#471). Matches |
| 918 |
// Schema_Builder::format_image_schema(). |
| 919 |
$image_object = [ |
| 920 |
'@type' => 'ImageObject', |
| 921 |
'url' => $image_url, |
| 922 |
]; |
| 923 |
|
| 924 |
if (!empty($image_meta['width'])) { |
| 925 |
$image_object['width'] = (int) $image_meta['width']; |
| 926 |
} |
| 927 |
|
| 928 |
if (!empty($image_meta['height'])) { |
| 929 |
$image_object['height'] = (int) $image_meta['height']; |
| 930 |
} |
| 931 |
|
| 932 |
return $image_object; |
| 933 |
} |
| 934 |
} |
| 935 |
|
| 936 |
// Try custom meta field |
| 937 |
$custom_image = get_post_meta($post->ID, '_thinkrank_product_image', true); |
| 938 |
if (!empty($custom_image)) { |
| 939 |
return $custom_image; |
| 940 |
} |
| 941 |
|
| 942 |
return ''; |
| 943 |
} |
| 944 |
|
| 945 |
/** |
| 946 |
* Get product SKU |
| 947 |
* |
| 948 |
* @since 1.0.0 |
| 949 |
* @param \WP_Post $post WordPress post object |
| 950 |
* @return string Product SKU |
| 951 |
*/ |
| 952 |
private function get_product_sku(\WP_Post $post): string { |
| 953 |
// Try custom meta field |
| 954 |
$sku = get_post_meta($post->ID, '_thinkrank_product_sku', true); |
| 955 |
|
| 956 |
// Try WooCommerce if available |
| 957 |
if (empty($sku) && function_exists('wc_get_product')) { |
| 958 |
$product = wc_get_product($post->ID); |
| 959 |
if ($product) { |
| 960 |
$sku = $product->get_sku(); |
| 961 |
} |
| 962 |
} |
| 963 |
|
| 964 |
return (string) $sku; |
| 965 |
} |
| 966 |
|
| 967 |
/** |
| 968 |
* Get product brand |
| 969 |
* |
| 970 |
* @since 1.0.0 |
| 971 |
* @param \WP_Post $post WordPress post object |
| 972 |
* @return string Product brand |
| 973 |
*/ |
| 974 |
private function get_product_brand(\WP_Post $post): string { |
| 975 |
// Try custom meta field |
| 976 |
$brand = get_post_meta($post->ID, '_thinkrank_product_brand', true); |
| 977 |
|
| 978 |
// Try WooCommerce brand taxonomy if available |
| 979 |
if (empty($brand) && taxonomy_exists('product_brand')) { |
| 980 |
$terms = get_the_terms($post->ID, 'product_brand'); |
| 981 |
if (!empty($terms) && !is_wp_error($terms)) { |
| 982 |
$brand = $terms[0]->name; |
| 983 |
} |
| 984 |
} |
| 985 |
|
| 986 |
return (string) $brand; |
| 987 |
} |
| 988 |
|
| 989 |
/** |
| 990 |
* Get product offers |
| 991 |
* |
| 992 |
* @since 1.0.0 |
| 993 |
* @param \WP_Post $post WordPress post object |
| 994 |
* @return array Product offers data |
| 995 |
*/ |
| 996 |
private function get_product_offers(\WP_Post $post): array { |
| 997 |
$offers = [ |
| 998 |
'@type' => 'Offer', |
| 999 |
'url' => get_permalink($post), |
| 1000 |
]; |
| 1001 |
|
| 1002 |
// Get price |
| 1003 |
$price = get_post_meta($post->ID, '_thinkrank_product_price', true); |
| 1004 |
|
| 1005 |
// Try WooCommerce if available |
| 1006 |
if (empty($price) && function_exists('wc_get_product')) { |
| 1007 |
$product = wc_get_product($post->ID); |
| 1008 |
if ($product) { |
| 1009 |
$price = $product->get_price(); |
| 1010 |
} |
| 1011 |
} |
| 1012 |
|
| 1013 |
if (!empty($price)) { |
| 1014 |
$offers['price'] = (string) $price; |
| 1015 |
} |
| 1016 |
|
| 1017 |
// Get currency |
| 1018 |
$currency = get_post_meta($post->ID, '_thinkrank_product_currency', true); |
| 1019 |
|
| 1020 |
// Try WooCommerce currency if available |
| 1021 |
if (empty($currency) && function_exists('get_woocommerce_currency')) { |
| 1022 |
$currency = get_woocommerce_currency(); |
| 1023 |
} |
| 1024 |
|
| 1025 |
// Default to USD |
| 1026 |
if (empty($currency)) { |
| 1027 |
$currency = 'USD'; |
| 1028 |
} |
| 1029 |
|
| 1030 |
$offers['priceCurrency'] = $currency; |
| 1031 |
|
| 1032 |
// Get availability |
| 1033 |
$availability = get_post_meta($post->ID, '_thinkrank_product_availability', true); |
| 1034 |
|
| 1035 |
// Try WooCommerce if available |
| 1036 |
if (empty($availability) && function_exists('wc_get_product')) { |
| 1037 |
$product = wc_get_product($post->ID); |
| 1038 |
if ($product) { |
| 1039 |
$availability = $product->is_in_stock() ? 'InStock' : 'OutOfStock'; |
| 1040 |
} |
| 1041 |
} |
| 1042 |
|
| 1043 |
// Default to InStock |
| 1044 |
if (empty($availability)) { |
| 1045 |
$availability = 'InStock'; |
| 1046 |
} |
| 1047 |
|
| 1048 |
// Ensure proper schema.org URL format |
| 1049 |
if (strpos($availability, 'https://schema.org/') !== 0) { |
| 1050 |
$offers['availability'] = 'https://schema.org/' . $availability; |
| 1051 |
} else { |
| 1052 |
$offers['availability'] = $availability; |
| 1053 |
} |
| 1054 |
|
| 1055 |
// Add price valid until if available |
| 1056 |
$price_valid_until = get_post_meta($post->ID, '_thinkrank_product_price_valid_until', true); |
| 1057 |
if (!empty($price_valid_until)) { |
| 1058 |
$offers['priceValidUntil'] = $price_valid_until; |
| 1059 |
} |
| 1060 |
|
| 1061 |
return $offers; |
| 1062 |
} |
| 1063 |
|
| 1064 |
/** |
| 1065 |
* Get product aggregate rating |
| 1066 |
* |
| 1067 |
* @since 1.0.0 |
| 1068 |
* @param \WP_Post $post WordPress post object |
| 1069 |
* @return array Product rating data |
| 1070 |
*/ |
| 1071 |
private function get_product_rating(\WP_Post $post): array { |
| 1072 |
$rating = []; |
| 1073 |
|
| 1074 |
// Try custom meta fields |
| 1075 |
$rating_value = get_post_meta($post->ID, '_thinkrank_product_rating_value', true); |
| 1076 |
$rating_count = get_post_meta($post->ID, '_thinkrank_product_rating_count', true); |
| 1077 |
|
| 1078 |
// Try WooCommerce if available |
| 1079 |
if ((empty($rating_value) || empty($rating_count)) && function_exists('wc_get_product')) { |
| 1080 |
$product = wc_get_product($post->ID); |
| 1081 |
if ($product) { |
| 1082 |
$wc_rating_count = $product->get_rating_count(); |
| 1083 |
$wc_average = $product->get_average_rating(); |
| 1084 |
|
| 1085 |
if ($wc_rating_count > 0 && $wc_average > 0) { |
| 1086 |
$rating_value = $wc_average; |
| 1087 |
$rating_count = $wc_rating_count; |
| 1088 |
} |
| 1089 |
} |
| 1090 |
} |
| 1091 |
|
| 1092 |
// Only return rating if we have both value and count |
| 1093 |
if (!empty($rating_value) && !empty($rating_count)) { |
| 1094 |
$rating = [ |
| 1095 |
'@type' => 'AggregateRating', |
| 1096 |
'ratingValue' => (string) $rating_value, |
| 1097 |
'reviewCount' => (int) $rating_count, |
| 1098 |
'bestRating' => '5', |
| 1099 |
]; |
| 1100 |
} |
| 1101 |
|
| 1102 |
return $rating; |
| 1103 |
} |
| 1104 |
|
| 1105 |
/** |
| 1106 |
* Get product reviews |
| 1107 |
* |
| 1108 |
* @since 1.0.0 |
| 1109 |
* @param \WP_Post $post WordPress post object |
| 1110 |
* @return array Product reviews data |
| 1111 |
*/ |
| 1112 |
private function get_product_reviews(\WP_Post $post): array { |
| 1113 |
$reviews = []; |
| 1114 |
|
| 1115 |
// Try WooCommerce reviews if available |
| 1116 |
if (function_exists('wc_get_product')) { |
| 1117 |
$product = wc_get_product($post->ID); |
| 1118 |
if ($product) { |
| 1119 |
$comments = get_comments([ |
| 1120 |
'post_id' => $post->ID, |
| 1121 |
'status' => 'approve', |
| 1122 |
'type' => 'review', |
| 1123 |
'number' => 5, // Limit to 5 most recent reviews |
| 1124 |
]); |
| 1125 |
|
| 1126 |
foreach ($comments as $comment) { |
| 1127 |
$rating = get_comment_meta($comment->comment_ID, 'rating', true); |
| 1128 |
|
| 1129 |
if (!empty($rating)) { |
| 1130 |
$reviews[] = [ |
| 1131 |
'@type' => 'Review', |
| 1132 |
'reviewRating' => [ |
| 1133 |
'@type' => 'Rating', |
| 1134 |
'ratingValue' => (string) $rating, |
| 1135 |
'bestRating' => '5', |
| 1136 |
], |
| 1137 |
'author' => [ |
| 1138 |
'@type' => 'Person', |
| 1139 |
'name' => $comment->comment_author, |
| 1140 |
], |
| 1141 |
'reviewBody' => wp_strip_all_tags($comment->comment_content), |
| 1142 |
'datePublished' => get_comment_date('c', $comment), |
| 1143 |
]; |
| 1144 |
} |
| 1145 |
} |
| 1146 |
} |
| 1147 |
} |
| 1148 |
|
| 1149 |
// Try custom meta field for manual reviews |
| 1150 |
if (empty($reviews)) { |
| 1151 |
$custom_reviews = get_post_meta($post->ID, '_thinkrank_product_reviews', true); |
| 1152 |
if (!empty($custom_reviews) && is_array($custom_reviews)) { |
| 1153 |
$reviews = $custom_reviews; |
| 1154 |
} |
| 1155 |
} |
| 1156 |
|
| 1157 |
return $reviews; |
| 1158 |
} |
| 1159 |
|
| 1160 |
/** |
| 1161 |
* Register generated schema with the request's schema graph. |
| 1162 |
* |
| 1163 |
* Replaces the direct echo this class used to do: the graph arbitrates |
| 1164 |
* between this post-type-wide schema and the Schema Manager's per-post |
| 1165 |
* deployment, then emits one linked @graph (#355). |
| 1166 |
* |
| 1167 |
* @since 1.32.0 |
| 1168 |
* @param array $schema Schema markup array |
| 1169 |
* @param string $schema_type Schema @type |
| 1170 |
* @param string $source Producer key used for precedence |
| 1171 |
* @return void |
| 1172 |
*/ |
| 1173 |
private function register_schema(array $schema, string $schema_type, string $source): void { |
| 1174 |
if (empty($schema)) { |
| 1175 |
return; |
| 1176 |
} |
| 1177 |
|
| 1178 |
if (!class_exists('ThinkRank\\Frontend\\Schema_Graph')) { |
| 1179 |
require_once THINKRANK_PLUGIN_DIR . 'includes/frontend/class-schema-graph.php'; |
| 1180 |
} |
| 1181 |
|
| 1182 |
Schema_Graph::instance()->add_primary($schema, $schema_type, $source); |
| 1183 |
} |
| 1184 |
} |
| 1185 |
|
