rc 1.0

app/api/payments/create-invoice/route.ts

@@ -3,6 +3,8 @@ import { cookies } from 'next/headers'
 import pool from '@/lib/db'
 import { getNowPaymentsConfig } from '@/lib/nowpayments'
 import { ALLOWED_PAYMENT_CURRENCIES, isAllowedCurrency } from '@/lib/payment-currencies'
+import { getCountryFromIp, calculateShippingFee } from '@/lib/geolocation'
+import { getCurrencyForCountry, convertPriceForCountry } from '@/lib/currency'
 
 // POST /api/payments/create-invoice - Create a NOWPayments payment
 // Note: Endpoint name kept as "create-invoice" for backward compatibility
@@ -129,23 +131,38 @@ export async function POST(request: NextRequest) {
         )
       }
 
-    // Check if user has unlocked wholesale prices
-    const [referralRows] = await pool.execute(
-      'SELECT COUNT(*) as count FROM referrals WHERE referrer = ?',
-      [buyer_id]
-    )
-    const referralCount = (referralRows as any[])[0]?.count || 0
-    const isWholesaleUnlocked = referralCount >= 3
+      // Check if user has unlocked wholesale prices (use transaction connection to avoid connection leak)
+      const [referralRows] = await connection.execute(
+        'SELECT COUNT(*) as count FROM referrals WHERE referrer = ?',
+        [buyer_id]
+      )
+      const referralCount = (referralRows as any[])[0]?.count || 0
+      const isWholesaleUnlocked = referralCount >= 3
 
-    // Calculate price
-    // ppu is stored as integer where 1000 = $1.00, so divide by 1000 to get actual price
+    // Get country from IP to determine currency
+    const countryCode = await getCountryFromIp(request)
+    const currency = getCurrencyForCountry(countryCode)
+
+    // Calculate price in EUR (database stores prices in EUR)
+    // ppu is stored as integer where 1000 = 1.00 EUR, so divide by 1000 to get actual price
     // Assuming ppu is per gram
-    const pricePerGram = drop.ppu / 1000
-    const priceToUse = isWholesaleUnlocked ? pricePerGram * 0.76 : pricePerGram
-    const priceAmount = size * priceToUse
+    const pricePerGramEur = drop.ppu / 1000
+    const priceToUseEur = isWholesaleUnlocked ? pricePerGramEur * 0.76 : pricePerGramEur
+    const priceAmountEur = size * priceToUseEur
+
+    // Convert price to user's currency (CHF for Swiss, EUR for others)
+    const priceAmount = convertPriceForCountry(priceAmountEur, countryCode)
+
+    // Calculate shipping fee (already in correct currency: CHF for CH, EUR for others)
+    const shippingFee = calculateShippingFee(countryCode)
+
+    // Add shipping fee to total price
+    const totalPriceAmount = priceAmount + shippingFee
 
     // Round to 2 decimal places
-    const roundedPriceAmount = Math.round(priceAmount * 100) / 100
+    const roundedPriceAmount = Math.round(totalPriceAmount * 100) / 100
+    const roundedShippingFee = Math.round(shippingFee * 100) / 100
+    const roundedSubtotal = Math.round(priceAmount * 100) / 100
 
     // Generate order ID
     const orderId = `SALE-${Date.now()}-${drop_id}-${buyer_id}`
@@ -158,6 +175,10 @@ export async function POST(request: NextRequest) {
       // Get NOWPayments config (testnet or production)
       const nowPaymentsConfig = getNowPaymentsConfig()
 
+      // Use currency based on user location (CHF for Swiss, EUR for others)
+      // Override the default currency from config with user's currency
+      const priceCurrency = currency.toLowerCase()
+
       // Calculate expiration time (10 minutes from now)
       const expiresAt = new Date()
       expiresAt.setMinutes(expiresAt.getMinutes() + 10)
@@ -180,7 +201,7 @@ export async function POST(request: NextRequest) {
         },
         body: JSON.stringify({
           price_amount: roundedPriceAmount,
-          price_currency: nowPaymentsConfig.currency,
+          price_currency: priceCurrency, // CHF for Swiss users, EUR for others
           pay_currency: payCurrency, // Required: crypto currency (btc, eth, etc)
           order_id: orderId,
           order_description: `${drop.item} - ${size}g`,
@@ -206,7 +227,7 @@ export async function POST(request: NextRequest) {
       // payment.payment_id is the NOWPayments payment ID
       await connection.execute(
         'INSERT INTO pending_orders (payment_id, order_id, drop_id, buyer_id, buyer_data_id, size, price_amount, price_currency, expires_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)',
-        [payment.payment_id, orderId, drop_id, buyer_id, buyer_data_id, size, roundedPriceAmount, nowPaymentsConfig.currency, expiresAt]
+        [payment.payment_id, orderId, drop_id, buyer_id, buyer_data_id, size, roundedPriceAmount, priceCurrency, expiresAt]
       )
 
       // Commit transaction - inventory is now reserved
@@ -220,8 +241,10 @@ export async function POST(request: NextRequest) {
         pay_address: payment.pay_address, // Address where customer sends payment
         pay_amount: payment.pay_amount, // Amount in crypto to pay
         pay_currency: payment.pay_currency, // Crypto currency
-        price_amount: payment.price_amount, // Price in fiat
-        price_currency: payment.price_currency, // Fiat currency
+        price_amount: payment.price_amount, // Total price in fiat (includes shipping)
+        price_currency: payment.price_currency, // Fiat currency (CHF or EUR)
+        shipping_fee: roundedShippingFee, // Shipping fee in user's currency
+        subtotal: roundedSubtotal, // Product price without shipping in user's currency
         order_id: orderId,
         payin_extra_id: payment.payin_extra_id, // Memo/tag for certain currencies (XRP, XLM, etc)
         expiration_estimate_date: payment.expiration_estimate_date, // When payment expires