fix: use dynamic Stripe pricing instead of pre-created price IDs

app/api/create-checkout-session/route.ts

@@ -5,41 +5,32 @@ const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!, {
   apiVersion: "2024-12-18.acacia",
 })
 
-const CCG_TICKET_PRICE_ID = "price_1SbokZ8IwXvKSVJpRvkTqePT"
-const CCG_ACCOMMODATION_PRICE_ID = "price_1Sboq08IwXvKSVJpf8RRSoCy"
-const CCG_FOOD_PRICE_ID = "price_1Sboq18IwXvKSVJpY7NJWaYd"
+// Dynamic pricing configuration (in EUR cents)
+const TICKET_PRICE_CENTS = 8000 // €80 early bird
 
 export async function POST(request: NextRequest) {
   try {
     const formData = await request.formData()
     const paymentMethod = formData.get("paymentMethod") as string
     const registrationDataStr = formData.get("registrationData") as string
-    const packagesStr = formData.get("packages") as string
 
     const registrationData = registrationDataStr ? JSON.parse(registrationDataStr) : null
-    const packages = packagesStr ? JSON.parse(packagesStr) : { accommodation: false, food: false }
 
+    // Use price_data for dynamic pricing (no pre-created prices needed)
     const lineItems: Stripe.Checkout.SessionCreateParams.LineItem[] = [
       {
-        price: CCG_TICKET_PRICE_ID,
+        price_data: {
+          currency: "eur",
+          product_data: {
+            name: "CCG 2026 Ticket",
+            description: "Crypto Commons Gathering 2026 - August 16-22, Austria",
+          },
+          unit_amount: TICKET_PRICE_CENTS,
+        },
         quantity: 1,
       },
     ]
 
-    if (packages.accommodation) {
-      lineItems.push({
-        price: CCG_ACCOMMODATION_PRICE_ID,
-        quantity: 1,
-      })
-    }
-
-    if (packages.food) {
-      lineItems.push({
-        price: CCG_FOOD_PRICE_ID,
-        quantity: 1,
-      })
-    }
-
     let paymentMethodTypes: Stripe.Checkout.SessionCreateParams.PaymentMethodType[] = ["card"]
 
     if (paymentMethod === "sepa_debit") {
@@ -65,8 +56,6 @@ export async function POST(request: NextRequest) {
               registrationData.dietary.join(", ") +
               (registrationData.dietaryOther ? `, ${registrationData.dietaryOther}` : ""),
             crewConsent: registrationData.crewConsent,
-            includesAccommodation: packages.accommodation ? "yes" : "no",
-            includesFood: packages.food ? "yes" : "no",
           }
         : {},
       ...(paymentMethod === "crypto" && {