feat: support product quantity and separate steps

shop/lib/actions/orders.ts

@@ -49,6 +49,7 @@ function hashOrderSnapshot(snapshot: object): string {
 export async function submitOrder(params: {
   selections: WizardSelections
   moduleQuantities?: Record<string, number>
+  productQuantities?: Record<string, number>
   products?: Product[]
   categories?: Category[]
   customerProfile: Partial<Profile>
@@ -57,7 +58,7 @@ export async function submitOrder(params: {
   billingInterval?: 'one_time' | 'monthly'
   lastLicenseDate?: string | null
 }): Promise<Order> {
-  const { selections, moduleQuantities, customerProfile, endCustomerId, endCustomer, billingInterval, lastLicenseDate } = params
+  const { selections, moduleQuantities, productQuantities, customerProfile, endCustomerId, endCustomer, billingInterval, lastLicenseDate } = params
   const supabase = await createClient()
 
   const { data: { user } } = await supabase.auth.getUser()
@@ -85,7 +86,7 @@ export async function submitOrder(params: {
   // 1. Snapshots aufbauen
   // Wenn Endkunde vorhanden: dessen Daten einfrieren; sonst Partner-Profil (Fallback)
   const customerSnapshot = buildCustomerSnapshot(customerProfile, endCustomer ?? null)
-  const orderSnapshot = buildOrderSnapshot(selections, dbProducts, dbCategories, billingInterval, moduleQuantities, lastLicenseDate)
+  const orderSnapshot = buildOrderSnapshot(selections, dbProducts, dbCategories, billingInterval, moduleQuantities, lastLicenseDate, productQuantities)
 
   // 2. Idempotenz-Guard: Prüfen ob identische Bestellung in den letzten 5 Minuten existiert
   const orderHash = hashOrderSnapshot(orderSnapshot)
@@ -366,6 +367,7 @@ export async function updateOrder(
   params: {
     selections: WizardSelections
     moduleQuantities?: Record<string, number>
+    productQuantities?: Record<string, number>
     customerProfile: Partial<Profile>
     endCustomerId?: string | null
     endCustomer?: EndCustomer | null
@@ -374,7 +376,7 @@ export async function updateOrder(
     companyId?: string | null
   }
 ): Promise<Order> {
-  const { selections, moduleQuantities, customerProfile, endCustomerId, endCustomer, billingInterval, lastLicenseDate, companyId } = params
+  const { selections, moduleQuantities, productQuantities, customerProfile, endCustomerId, endCustomer, billingInterval, lastLicenseDate, companyId } = params
   const supabase = await createClient()
   const admin = createAdminClient()
 
@@ -434,7 +436,7 @@ export async function updateOrder(
 
   // 1. Snapshots aufbauen
   const customerSnapshot = buildCustomerSnapshot(customerProfile, endCustomer ?? null)
-  const orderSnapshot = buildOrderSnapshot(selections, dbProducts, dbCategories, billingInterval, moduleQuantities, lastLicenseDate)
+  const orderSnapshot = buildOrderSnapshot(selections, dbProducts, dbCategories, billingInterval, moduleQuantities, lastLicenseDate, productQuantities)
   const orderHash = hashOrderSnapshot(orderSnapshot)
 
   // 2. Bestellung in DB aktualisieren

shop/lib/license-transform.ts

@@ -91,7 +91,8 @@ export function buildOrderSnapshot(
   categories: Category[],
   billingInterval?: 'one_time' | 'monthly',
   moduleQuantities?: Record<string, number>,
-  lastLicenseDate?: string | null
+  lastLicenseDate?: string | null,
+  productQuantities?: Record<string, number>
 ): OrderSnapshot {
   const items: OrderItem[] = []
   let subtotal = 0
@@ -135,11 +136,12 @@ export function buildOrderSnapshot(
           }
         })
 
+      const productQty = productQuantities?.[prod.id] || 1
       const moduleTotal = selectedModules.reduce((acc, m) => acc + (m.total_price || m.price), 0)
       
       // If this product falls under the free limit, set its base price to 0
       const actualBasePrice = (sortedIndex < freeLimit) ? 0 : prod.base_price
-      const itemTotal = actualBasePrice + moduleTotal
+      const itemTotal = (actualBasePrice + moduleTotal) * productQty
       subtotal += itemTotal
 
       items.push({
@@ -149,6 +151,7 @@ export function buildOrderSnapshot(
         product_name: prod.name + (actualBasePrice === 0 ? " (Inklusive/Frei)" : ""),
         base_price: actualBasePrice,
         billing_interval: prod.billing_interval,
+        quantity: productQty,
         selected_modules: selectedModules,
         item_total: itemTotal,
       })

shop/lib/types.ts

@@ -17,6 +17,7 @@ export type Product = {
   show_in_abo?: boolean
   requirements?: string[]
   exclusions?: string[]
+  has_quantity?: boolean
 }
 
 export type Category = {
@@ -131,6 +132,7 @@ export type OrderItem = {
   product_name: string
   base_price: number
   billing_interval: BillingInterval
+  quantity?: number
   selected_modules: OrderModuleSnapshot[]
   item_total: number
 }