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94
app/api/payments/check-status/route.ts
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94
app/api/payments/check-status/route.ts
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import { NextRequest, NextResponse } from 'next/server'
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import { cookies } from 'next/headers'
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import pool from '@/lib/db'
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import { getNowPaymentsConfig } from '@/lib/nowpayments'
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// GET /api/payments/check-status?payment_id=xxx - Check payment status manually
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export async function GET(request: NextRequest) {
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try {
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// Get buyer_id from session cookie
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const cookieStore = await cookies()
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const buyerIdCookie = cookieStore.get('buyer_id')?.value
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if (!buyerIdCookie) {
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return NextResponse.json(
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{ error: 'Authentication required' },
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{ status: 401 }
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)
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}
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const buyer_id = parseInt(buyerIdCookie, 10)
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const { searchParams } = new URL(request.url)
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const payment_id = searchParams.get('payment_id')
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if (!payment_id) {
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return NextResponse.json(
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{ error: 'payment_id is required' },
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{ status: 400 }
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)
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}
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// Check if it's a pending order or completed sale
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const [pendingRows] = await pool.execute(
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'SELECT * FROM pending_orders WHERE payment_id = ? AND buyer_id = ?',
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[payment_id, buyer_id]
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)
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const [salesRows] = await pool.execute(
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'SELECT * FROM sales WHERE payment_id = ? AND buyer_id = ?',
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[payment_id, buyer_id]
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)
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const pendingOrders = pendingRows as any[]
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const sales = salesRows as any[]
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if (pendingOrders.length === 0 && sales.length === 0) {
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return NextResponse.json(
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{ error: 'Payment not found' },
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{ status: 404 }
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)
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}
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// Get NOWPayments config (testnet or production)
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const nowPaymentsConfig = getNowPaymentsConfig()
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// Check payment status with NOWPayments
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const nowPaymentsResponse = await fetch(
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`${nowPaymentsConfig.baseUrl}/v1/payment/${payment_id}`,
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{
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method: 'GET',
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headers: {
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'x-api-key': nowPaymentsConfig.apiKey,
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},
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}
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)
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if (!nowPaymentsResponse.ok) {
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const error = await nowPaymentsResponse.json()
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return NextResponse.json(
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{ error: 'Failed to check payment status', details: error },
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{ status: 500 }
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)
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}
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const paymentStatus = await nowPaymentsResponse.json()
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return NextResponse.json({
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payment_id,
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status: paymentStatus.payment_status,
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payment_status: paymentStatus.payment_status,
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pay_amount: paymentStatus.pay_amount,
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pay_currency: paymentStatus.pay_currency,
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price_amount: paymentStatus.price_amount,
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price_currency: paymentStatus.price_currency,
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})
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} catch (error) {
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console.error('Error checking payment status:', error)
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return NextResponse.json(
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{ error: 'Failed to check payment status' },
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{ status: 500 }
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)
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}
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}
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153
app/api/payments/create-invoice/route.ts
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153
app/api/payments/create-invoice/route.ts
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import { NextRequest, NextResponse } from 'next/server'
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import { cookies } from 'next/headers'
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import pool from '@/lib/db'
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import { getNowPaymentsConfig } from '@/lib/nowpayments'
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// POST /api/payments/create-invoice - Create a NOWPayments invoice
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export async function POST(request: NextRequest) {
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try {
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// Get buyer_id from session cookie
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const cookieStore = await cookies()
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const buyerIdCookie = cookieStore.get('buyer_id')?.value
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if (!buyerIdCookie) {
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return NextResponse.json(
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{ error: 'Authentication required' },
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{ status: 401 }
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)
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}
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const buyer_id = parseInt(buyerIdCookie, 10)
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const body = await request.json()
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const { drop_id, size } = body
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// Validate required fields
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if (!drop_id || !size) {
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return NextResponse.json(
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{ error: 'Missing required fields: drop_id, size' },
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{ status: 400 }
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)
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}
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// Get drop details
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const [dropRows] = await pool.execute(
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'SELECT * FROM drops WHERE id = ?',
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[drop_id]
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)
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const drops = dropRows as any[]
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if (drops.length === 0) {
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return NextResponse.json(
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{ error: 'Drop not found' },
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{ status: 404 }
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)
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}
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const drop = drops[0]
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// Check inventory availability (but don't reserve yet - will reserve when payment confirmed)
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const [salesRows] = await pool.execute(
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'SELECT COALESCE(SUM(size), 0) as total_fill FROM sales WHERE drop_id = ?',
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[drop_id]
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)
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const salesData = salesRows as any[]
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const currentFill = salesData[0]?.total_fill || 0
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// Convert fill to the drop's unit for comparison
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let currentFillInDropUnit = currentFill
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let sizeInDropUnit = size
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if (drop.unit === 'kg') {
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currentFillInDropUnit = currentFill / 1000
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sizeInDropUnit = size / 1000
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}
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// Check if there's enough remaining inventory
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const remaining = drop.size - currentFillInDropUnit
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if (sizeInDropUnit > remaining) {
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return NextResponse.json(
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{ error: 'Not enough inventory remaining' },
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{ status: 400 }
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)
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}
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// Calculate price
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let priceAmount = 0
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if (drop.unit === 'kg') {
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priceAmount = (size / 1000) * drop.ppu
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} else {
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priceAmount = size * drop.ppu
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}
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// Round to 2 decimal places
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priceAmount = Math.round(priceAmount * 100) / 100
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// Generate order ID
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const orderId = `SALE-${Date.now()}-${drop_id}-${buyer_id}`
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// Get base URL for success/cancel redirects
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const baseUrl = process.env.NEXT_PUBLIC_BASE_URL ||
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request.headers.get('origin') ||
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'http://localhost:3420'
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// Get IPN callback URL from environment variable
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const ipnCallbackUrl = process.env.IPN_CALLBACK_URL
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if (!ipnCallbackUrl) {
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return NextResponse.json(
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{ error: 'IPN_CALLBACK_URL environment variable is required' },
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{ status: 500 }
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)
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}
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// Get NOWPayments config (testnet or production)
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const nowPaymentsConfig = getNowPaymentsConfig()
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// Create NOWPayments invoice
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const nowPaymentsResponse = await fetch(`${nowPaymentsConfig.baseUrl}/v1/invoice`, {
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method: 'POST',
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headers: {
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'x-api-key': nowPaymentsConfig.apiKey,
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'Content-Type': 'application/json',
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},
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body: JSON.stringify({
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price_amount: priceAmount,
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price_currency: nowPaymentsConfig.currency,
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order_id: orderId,
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order_description: `${drop.item} - ${size}g`,
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ipn_callback_url: ipnCallbackUrl,
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success_url: `${baseUrl}/?payment=success&order_id=${orderId}`,
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cancel_url: `${baseUrl}/?payment=cancelled&order_id=${orderId}`,
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}),
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})
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if (!nowPaymentsResponse.ok) {
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const error = await nowPaymentsResponse.json()
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console.error('NOWPayments error:', error)
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return NextResponse.json(
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{ error: 'Failed to create payment invoice', details: error },
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{ status: 500 }
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)
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}
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const invoice = await nowPaymentsResponse.json()
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// Store pending order (will create sale when payment is confirmed)
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const [result] = await pool.execute(
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'INSERT INTO pending_orders (payment_id, order_id, drop_id, buyer_id, size, price_amount, price_currency) VALUES (?, ?, ?, ?, ?, ?, ?)',
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[invoice.id, orderId, drop_id, buyer_id, size, priceAmount, nowPaymentsConfig.currency]
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)
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// Return invoice URL - sale will be created when payment is confirmed via IPN
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return NextResponse.json({
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invoice_url: invoice.invoice_url,
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payment_id: invoice.id,
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order_id: orderId,
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}, { status: 201 })
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} catch (error) {
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console.error('Error creating invoice:', error)
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return NextResponse.json(
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{ error: 'Failed to create invoice' },
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{ status: 500 }
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)
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}
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}
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132
app/api/payments/ipn-callback/route.ts
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132
app/api/payments/ipn-callback/route.ts
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import { NextRequest, NextResponse } from 'next/server'
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import pool from '@/lib/db'
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// POST /api/payments/ipn-callback - Handle NOWPayments IPN callbacks
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export async function POST(request: NextRequest) {
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try {
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const body = await request.json()
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// NOWPayments IPN callback structure
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// You may need to adjust based on actual NOWPayments IPN format
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const {
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payment_id,
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invoice_id,
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order_id,
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payment_status,
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pay_amount,
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pay_currency,
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price_amount,
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price_currency,
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} = body
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console.log('IPN Callback received:', {
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payment_id,
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invoice_id,
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order_id,
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payment_status,
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})
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// Find pending order by payment_id or invoice_id
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const paymentIdToFind = invoice_id || payment_id
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const [pendingRows] = await pool.execute(
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'SELECT * FROM pending_orders WHERE payment_id = ?',
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[paymentIdToFind]
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)
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const pendingOrders = pendingRows as any[]
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if (pendingOrders.length === 0) {
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// Check if sale already exists (idempotency)
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const [existingSales] = await pool.execute(
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'SELECT * FROM sales WHERE payment_id = ?',
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[paymentIdToFind]
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)
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const existing = existingSales as any[]
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if (existing.length > 0) {
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// Sale already created, just return success
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console.log('Sale already exists for payment_id:', paymentIdToFind)
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return NextResponse.json({ status: 'ok' }, { status: 200 })
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}
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console.error('Pending order not found for payment_id:', paymentIdToFind)
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return NextResponse.json(
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{ error: 'Pending order not found' },
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{ status: 404 }
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)
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}
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const pendingOrder = pendingOrders[0]
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// Update payment status based on payment_status
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// NOWPayments statuses: waiting, confirming, confirmed, sending, partially_paid, finished, failed, refunded, expired
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if (payment_status === 'finished' || payment_status === 'confirmed') {
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// Payment successful - create sale record
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try {
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// Check inventory again before creating sale
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const [dropRows] = await pool.execute(
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'SELECT * FROM drops WHERE id = ?',
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[pendingOrder.drop_id]
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)
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const drops = dropRows as any[]
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if (drops.length === 0) {
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console.error('Drop not found for pending order:', pendingOrder.id)
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return NextResponse.json({ status: 'error', message: 'Drop not found' }, { status: 200 })
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}
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const drop = drops[0]
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// Calculate current fill from sales
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const [salesRows] = await pool.execute(
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'SELECT COALESCE(SUM(size), 0) as total_fill FROM sales WHERE drop_id = ?',
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[pendingOrder.drop_id]
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)
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const salesData = salesRows as any[]
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const currentFill = salesData[0]?.total_fill || 0
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// Convert fill to the drop's unit for comparison
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let currentFillInDropUnit = currentFill
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let sizeInDropUnit = pendingOrder.size
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if (drop.unit === 'kg') {
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currentFillInDropUnit = currentFill / 1000
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sizeInDropUnit = pendingOrder.size / 1000
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}
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// Check if there's still enough inventory
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const remaining = drop.size - currentFillInDropUnit
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if (sizeInDropUnit > remaining) {
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console.error('Not enough inventory for pending order:', pendingOrder.id)
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// Delete pending order since inventory is no longer available
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await pool.execute('DELETE FROM pending_orders WHERE id = ?', [pendingOrder.id])
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return NextResponse.json({ status: 'error', message: 'Inventory no longer available' }, { status: 200 })
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}
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// Create sale record
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const [result] = await pool.execute(
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'INSERT INTO sales (drop_id, buyer_id, size, payment_id) VALUES (?, ?, ?, ?)',
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[pendingOrder.drop_id, pendingOrder.buyer_id, pendingOrder.size, pendingOrder.payment_id]
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)
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const saleId = (result as any).insertId
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// Delete pending order since sale is created
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await pool.execute('DELETE FROM pending_orders WHERE id = ?', [pendingOrder.id])
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console.log(`Payment confirmed - Sale ${saleId} created from pending order ${pendingOrder.id}`)
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} catch (error) {
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console.error('Error creating sale from pending order:', error)
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return NextResponse.json({ status: 'error' }, { status: 200 })
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}
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} else if (payment_status === 'failed' || payment_status === 'expired') {
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// Payment failed - delete pending order
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await pool.execute('DELETE FROM pending_orders WHERE id = ?', [pendingOrder.id])
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console.log(`Payment failed - Pending order ${pendingOrder.id} deleted`)
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}
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// Return success to NOWPayments
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return NextResponse.json({ status: 'ok' }, { status: 200 })
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} catch (error) {
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console.error('Error processing IPN callback:', error)
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// Still return 200 to prevent NOWPayments from retrying
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return NextResponse.json({ status: 'error' }, { status: 200 })
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}
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}
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