Check billing interval and period to set in mandate options (#3690)

Author: Mayisha

changelog.txt

@@ -28,6 +28,7 @@
 * Tweak - Improve webhook status related messages on the settings page.
 * Update - Prevent editing of orders awaiting payment capture.
 * Add - Introduce locking and unlocking in refund flow to prevent double refund due to race condition.
+* Fix - Check billing interval and period to set in mandate options.
 * Fix - Check order currency on pay for order page to display supported payment methods.
 
 = 9.0.0 - 2024-12-12 =

includes/compat/trait-wc-stripe-subscriptions.php

@@ -868,7 +868,8 @@ private function create_mandate_options_for_order( $order, $subscriptions ) {
 			return [];
 		}
 
-		if ( 1 === count( $subscriptions ) || $cart_contain_switches ) {
+		$has_interval = $sub_billing_period && $sub_billing_interval > 0;
+		if ( $has_interval && ( 1 === count( $subscriptions ) || $cart_contain_switches ) ) {
 			$mandate_options['amount_type']    = 'fixed';
 			$mandate_options['interval']       = $sub_billing_period;
 			$mandate_options['interval_count'] = $sub_billing_interval;

readme.txt

@@ -138,6 +138,7 @@ If you get stuck, you can ask for help in the [Plugin Forum](https://wordpress.o
 * Tweak - Improve webhook status related messages on the settings page.
 * Update - Prevent editing of orders awaiting payment capture.
 * Add - Introduce locking and unlocking in refund flow to prevent double refund due to race condition.
+* Fix - Check billing interval and period to set in mandate options.
 * Fix - Check order currency on pay for order page to display supported payment methods.
 
 [See changelog for all versions](https://raw.githubusercontent.com/woocommerce/woocommerce-gateway-stripe/trunk/changelog.txt).