From a3c5a66d3fa8d4d887d757fab29629874ee6c4d6 Mon Sep 17 00:00:00 2001
From: DanielS <daniel.schumacher@caspos.de>
Date: Fri, 10 Jul 2026 00:18:23 +0200
Subject: [PATCH] feat: check category eligibility for update discount in
 frontend and backend

---
 shop/components/order-wizard.tsx | 8 +++-----
 shop/lib/license-transform.ts    | 8 ++++++--
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/shop/components/order-wizard.tsx b/shop/components/order-wizard.tsx
index 062dce1..4b7a45f 100644
--- a/shop/components/order-wizard.tsx
+++ b/shop/components/order-wizard.tsx
@@ -353,16 +353,14 @@ export function OrderWizard({
         })
         const totalItem = base + modulesSum
         if (prod.billing_interval === 'one_time') {
-          oneTime += totalItem
+          const allowDiscount = (cat as any).allow_update_discount !== false
+          const finalItemTotal = allowDiscount ? (totalItem * updatePriceModifier.multiplier) : totalItem
+          oneTime += finalItemTotal
         } else {
           monthly += totalItem
         }
       })
     }
-    // Apply update modifier to oneTime total
-    if (updatePriceModifier.multiplier !== 1) {
-      oneTime = oneTime * updatePriceModifier.multiplier
-    }
     return { monthlyTotal: monthly, oneTimeTotal: oneTime }
   }, [selections, products, categories, moduleQuantities, updatePriceModifier])
 
diff --git a/shop/lib/license-transform.ts b/shop/lib/license-transform.ts
index 66fb480..55dda61 100644
--- a/shop/lib/license-transform.ts
+++ b/shop/lib/license-transform.ts
@@ -183,10 +183,14 @@ export function buildOrderSnapshot(
       multiplier = 0.90
     }
 
-    // Multiply only one_time item totals by multiplier
+    // Multiply only one_time item totals by multiplier if category allows it
     items.forEach(item => {
       if (item.billing_interval === 'one_time') {
-        item.item_total = item.item_total * multiplier
+        const cat = categories.find(c => c.id === item.category_id);
+        const allowDiscount = cat ? (cat as any).allow_update_discount !== false : true;
+        if (allowDiscount) {
+          item.item_total = item.item_total * multiplier;
+        }
       }
     })
     subtotal = items.reduce((acc, item) => acc + item.item_total, 0)