Throwing exception when saved method cannot be found (#4435)

* Throwing exception when saved method cannot be found

* Changelog and readme entries

* Including the order ID to the exception message

---------

Co-authored-by: Diego Curbelo <[email protected]>

Author: wjrosa

changelog.txt

@@ -1,6 +1,7 @@
 *** Changelog ***
 
 = 9.6.0 - xxxx-xx-xx =
+* Fix - Throws a specific exception on an edge case where a saved payment method could not be found when processing an order in the new checkout experience
 * Fix - Checks if the store has other BNPL extensions installed before displaying the promotional banner
 * Fix - Correctly notifies customers and merchants of a failed refund and reverts the refunded status
 * Update - Legacy checkout experience has been deprecated, new checkout experience is now the default for all sites

includes/payment-methods/class-wc-stripe-upe-payment-gateway.php

@@ -1301,7 +1301,17 @@ public function process_payment_with_saved_payment_method( $order_id, $can_retry
 				return $this->process_pre_order( $order_id );
 			}
 
-			$token                   = WC_Stripe_Payment_Tokens::get_token_from_request( $_POST );
+			$token = WC_Stripe_Payment_Tokens::get_token_from_request( $_POST );
+			if ( ! $token ) {
+				throw new WC_Stripe_Exception(
+					sprintf(
+						/* translators: %s is the order ID */
+						__( "We're not able to process this payment. The saved payment method for order %s could not be found.", 'woocommerce-gateway-stripe' ),
+						$order_id
+					)
+				);
+			}
+
 			$payment_method          = $this->stripe_request( 'payment_methods/' . $token->get_token(), [], null, 'GET' );
 			$prepared_payment_method = $this->prepare_payment_method( $payment_method );
 

readme.txt

@@ -112,6 +112,7 @@ If you get stuck, you can ask for help in the [Plugin Forum](https://wordpress.o
 
 = 9.6.0 - xxxx-xx-xx =
 
+* Fix - Throws a specific exception on an edge case where a saved payment method could not be found when processing an order in the new checkout experience
 * Fix - Checks if the store has other BNPL extensions installed before displaying the promotional banner
 * Fix - Correctly notifies customers and merchants of a failed refund and reverts the refunded status.
 * Update - Legacy checkout experience has been deprecated, new checkout experience is now the default for all sites