Allow setup wizard filtering

includes/admin/class-wc-admin-setup-wizard.php

@@ -54,7 +54,7 @@ class WC_Admin_Setup_Wizard {
 		if ( empty( $_GET['page'] ) || 'wc-setup' !== $_GET['page'] ) {
 			return;
 		}
-		$this->steps = array(
+		$default_steps = array(
 			'introduction' => array(
 				'name'    => __( 'Introduction', 'woocommerce' ),
 				'view'    => array( $this, 'wc_setup_introduction' ),
@@ -86,6 +86,8 @@ class WC_Admin_Setup_Wizard {
 				'handler' => '',
 			),
 		);
+
+		$this->steps = apply_filters( 'woocommerce_setup_wizard_steps', $default_steps );
 		$this->step = isset( $_GET['step'] ) ? sanitize_key( $_GET['step'] ) : current( array_keys( $this->steps ) );
 		$suffix     = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
 
@@ -778,4 +780,4 @@ class WC_Admin_Setup_Wizard {
 	}
 }
 
-new WC_Admin_Setup_Wizard();
+WC()->setup_wizard = new WC_Admin_Setup_Wizard();

includes/admin/wc-admin-functions.php

@@ -299,3 +299,19 @@ function wc_save_order_items( $order_id, $items ) {
 	// Inform other plugins that the items have been saved
 	do_action( 'woocommerce_saved_order_items', $order_id, $items );
 }
+
+/**
+ * Get the URL for the next step in the setup wizard.
+ *
+ * @since 3.1
+ * @return string URL for step or empty string if called outside the setup wizard
+ */
+function woocommerce_setup_wizard_get_next_step_link() {
+	$wizard = WC()->setup_wizard;
+
+	if ( ! $wizard ) {
+		return "";
+	}
+
+	return $wizard->get_next_step_link();
+}

woocommerce.php

@@ -108,6 +108,13 @@ final class WooCommerce {
 	 */
 	public $structured_data = null;
 
+	/**
+	 * Setup Wizard instance.
+	 *
+	 * @var WC_Admin_Setup_Wizard
+	 */
+	public $setup_wizard = null;
+
 	/**
 	 * Array of deprecated hook handlers.
 	 *