khaihihi

wp-content/plugins/wordpress-seo/frontend/class-woocommerce-shop-page.php

@@ -0,0 +1,96 @@
+<?php
+/**
+ * WPSEO plugin file.
+ *
+ * @package WPSEO\Frontend
+ */
+
+/**
+ * Represents the logic to determine if the current page is a WooCommerce shop page.
+ */
+class WPSEO_WooCommerce_Shop_Page implements WPSEO_WordPress_Integration {
+
+	/**
+	 * Holds the shop page id.
+	 *
+	 * @var int
+	 */
+	protected static $shop_page_id;
+
+	/**
+	 * True when current page is the shop page.
+	 *
+	 * @var bool
+	 */
+	protected static $is_shop_page;
+
+	/**
+	 * Registers the hooks.
+	 *
+	 * @return void
+	 */
+	public function register_hooks() {
+		if ( ! $this->is_woocommerce_active() ) {
+			return;
+		}
+
+		add_filter( 'wpseo_frontend_page_type_simple_page_id', [ $this, 'get_page_id' ] );
+	}
+
+	/**
+	 * Determines whether or not WooCommerce is active.
+	 *
+	 * @return bool True if woocommerce plugin is active.
+	 */
+	private function is_woocommerce_active() {
+		return WPSEO_Utils::is_woocommerce_active();
+	}
+
+	/**
+	 * Returns the ID of the WooCommerce shop page when the currently opened page is the shop page.
+	 *
+	 * @param int $page_id The page id.
+	 *
+	 * @return int The Page ID of the shop.
+	 */
+	public function get_page_id( $page_id ) {
+		if ( ! $this->is_shop_page() ) {
+			return $page_id;
+		}
+
+		return $this->get_shop_page_id();
+	}
+
+	/**
+	 * Checks if the current page is the shop page.
+	 *
+	 * @return bool Whether the current page is the WooCommerce shop page.
+	 */
+	public function is_shop_page() {
+		global $wp_query;
+
+		// Prevents too early "caching".
+		if ( ! isset( $wp_query ) ) {
+			return false;
+		}
+
+		if ( ! isset( self::$is_shop_page ) ) {
+			self::$is_shop_page = $this->is_woocommerce_active() && is_shop() && ! is_search();
+		}
+
+		return self::$is_shop_page;
+	}
+
+	/**
+	 * Returns the id of the set WooCommerce shop page.
+	 *
+	 * @return int The ID of the set page.
+	 */
+	public function get_shop_page_id() {
+		if ( ! isset( self::$shop_page_id ) ) {
+			self::$shop_page_id = function_exists( 'wc_get_page_id' ) ? wc_get_page_id( 'shop' ) : ( -1 );
+		}
+
+		return self::$shop_page_id;
+	}
+}