#18 - membership

includes/Services/Forms/Pricing/RsvFormPriceCalculator.php

@@ -1,6 +1,6 @@
 <?php
 
-/** Computes a form's total price as the sum of its elements' prices. */
+/** Computes a form's total price as the sum of its elements' prices, reduced by membership discount. */
 class RsvFormPriceCalculator {
     public function calculate(RsvFormDefinition $definition, RsvFormData $data): float {
         global $rsv_form_price_registry;
@@ -16,6 +16,7 @@ class RsvFormPriceCalculator {
             $total += (float) $calculator($element, $data->getValue($element->getName()));
         }
 
-        return $total;
+        $pct = (new RsvMembershipService())->discount_for($definition, $data);
+        return $total * (1.0 - max(0.0, min(100.0, $pct)) / 100.0);
     }
 }