Add upstream

wp-content/plugins/jetpack/modules/woocommerce-analytics/wp-woocommerce-analytics.php

@@ -0,0 +1,94 @@
+<?php
+/**
+ * Jetpack_WooCommerce_Analytics is ported from the Jetpack_Google_Analytics code.
+ *
+ * @package Jetpack
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+require_once plugin_basename( 'classes/wp-woocommerce-analytics-universal.php' );
+
+/**
+ * Class Jetpack_WooCommerce_Analytics
+ * Instantiate WooCommerce Analytics
+ */
+class Jetpack_WooCommerce_Analytics {
+
+	/**
+	 * Instance of this class
+	 *
+	 * @var Jetpack_WooCommerce_Analytics - Static property to hold our singleton instance
+	 */
+	private static $instance = false;
+
+	/**
+	 * Instance of the Universal functions
+	 *
+	 * @var Static property to hold concrete analytics impl that does the work (universal or legacy)
+	 */
+	private static $analytics = false;
+
+	/**
+	 * WooCommerce Analytics is only available to Jetpack connected WooCommerce stores with both plugins set to active
+	 * and WooCommerce version 3.0 or higher
+	 *
+	 * @return bool
+	 */
+	public static function shouldTrackStore() {
+		/**
+		 * Make sure WooCommerce is installed and active
+		 *
+		 * This action is documented in https://docs.woocommerce.com/document/create-a-plugin
+		 */
+		if ( ! in_array( 'woocommerce/woocommerce.php', apply_filters( 'active_plugins', Jetpack::get_active_plugins() ) ) ) {
+			return false;
+		}
+		// Tracking only Site pages
+		if ( is_admin() ) {
+			return false;
+		}
+		// Don't track site admins
+		if ( is_user_logged_in() && in_array( 'administrator', wp_get_current_user()->roles ) ) {
+			return false;
+		}
+		// Make sure Jetpack is installed and active
+		if ( ! Jetpack::is_active() ) {
+			return false;
+		}
+		// Ensure the WooCommerce class exists and is a valid version
+		$minimum_woocommerce_active = class_exists( 'WooCommerce' ) && version_compare( WC_VERSION, '3.0', '>=' );
+		if ( ! $minimum_woocommerce_active ) {
+			return false;
+		}
+		return true;
+	}
+
+	/**
+	 * This is our constructor, which is private to force the use of get_instance()
+	 *
+	 * @return void
+	 */
+	private function __construct() {
+		$analytics = new Jetpack_WooCommerce_Analytics_Universal();
+	}
+
+	/**
+	 * Function to instantiate our class and make it a singleton
+	 */
+	public static function get_instance() {
+		if ( ! self::shouldTrackStore() ) {
+			return;
+		}
+		if ( ! self::$instance ) {
+			self::$instance = new self();
+		}
+
+		return self::$instance;
+	}
+}
+
+global $jetpack_woocommerce_analytics;
+$jetpack_woocommerce_analytics = Jetpack_WooCommerce_Analytics::get_instance();