From 3d9846385c40f78883d0c3e3d6d14028e00e24aa Mon Sep 17 00:00:00 2001
From: Marek Isalski <maz@from-this-height.tenebrae.faelix.org>
Date: Thu, 7 Feb 2019 00:19:36 +0000
Subject: [PATCH] suppress warning for no donation solicited

---
 fulcrm_shoppingcart.module | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fulcrm_shoppingcart.module b/fulcrm_shoppingcart.module
index 9dc276d..4a12f6e 100644
--- a/fulcrm_shoppingcart.module
+++ b/fulcrm_shoppingcart.module
@@ -792,7 +792,9 @@ function fulcrm_shoppingcart_buy_eventbookingtype( $person, $eventbookingtype, $
 
 function fulcrm_shoppingcart_buy_donation_form_submit( $form, &$form_state ) {
     $product_id = $form_state[ 'fulcrm_shoppingcart' ][ 'product' ][ 'id' ];
-    $donation_amount = floatval( $form_state[ 'values' ][ 'donation_amount' ] );
+    $donation_amount = 0.0;
+    if ( array_key_exists( 'donation_amount', $form_state[ 'values' ] ) )
+        $donation_amount = floatval( $form_state[ 'values' ][ 'donation_amount' ] );
 
     if ( $donation_amount > 0.0 ) {
         $person_uuid = NULL;