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* Razorpay Webhook Handler
*
* POST /api/webhooks/razorpay
*
* Handles Razorpay webhook events for:
* - payment.captured
* - payment.failed
* - subscription.activated
* - subscription.charged
* - subscription.cancelled
*/
import { NextRequest, NextResponse } from 'next/server';
import { verifyWebhookSignature } from '@/lib/razorpay/client';
import { getAdminClient } from '@/lib/supabase/admin';
import { sendPaymentFailedEmail } from '@/lib/email/send';
import type { RazorpayWebhookPayload } from '@/lib/razorpay/types';
export async function POST(request: NextRequest) {
try {
const body = await request.text();
const signature = request.headers.get('x-razorpay-signature');
if (!signature) {
console.error('Missing webhook signature');
return NextResponse.json({ error: 'Missing signature' }, { status: 400 });
}
// Verify webhook signature
const isValid = verifyWebhookSignature(body, signature);
if (!isValid) {
console.error('Invalid webhook signature');
return NextResponse.json({ error: 'Invalid signature' }, { status: 400 });
}
const payload: RazorpayWebhookPayload = JSON.parse(body);
const event = payload.event;
console.log(`Webhook received: ${event}`);
const adminClient = getAdminClient();
switch (event) {
case 'payment.captured': {
// Payment successfully captured
const payment = payload.payload.payment?.entity;
if (payment) {
await adminClient
.from('payments')
.update({ status: 'captured' })
.eq('razorpay_payment_id', payment.id);
console.log(`Payment captured: ${payment.id}`);
}
break;
}
case 'payment.failed': {
// Payment failed
const payment = payload.payload.payment?.entity;
if (payment) {
await adminClient
.from('payments')
.update({
status: 'failed',
meta: {
error_code: payment.error_code,
error_description: payment.error_description,
error_reason: payment.error_reason,
},
})
.eq('razorpay_order_id', payment.order_id);
// Get user details for email
const { data: paymentRecord } = await adminClient
.from('payments')
.select('user_id, amount, meta')
.eq('razorpay_order_id', payment.order_id)
.single();
if (paymentRecord) {
const { data: user } = await adminClient
.from('users')
.select('email')
.eq('id', paymentRecord.user_id)
.single();
const { data: profile } = await adminClient
.from('profiles')
.select('display_name, username')
.eq('user_id', paymentRecord.user_id)
.single();
if (user?.email && profile) {
const tier = (paymentRecord.meta as { tier?: string })?.tier || 'basic';
const planNames: Record<string, string> = {
basic: 'Basic',
pro: 'Pro',
premium: 'Premium',
};
await sendPaymentFailedEmail(user.email, {
displayName: profile.display_name || profile.username,
planName: planNames[tier] || tier,
amount: `₹${(paymentRecord.amount / 100).toFixed(2)}`,
reason: payment.error_description || undefined,
retryUrl: `${process.env.NEXT_PUBLIC_APP_URL}/pricing`,
});
}
}
console.log(`Payment failed: ${payment.order_id}`);
}
break;
}
case 'subscription.activated': {
// Subscription activated
const subscription = payload.payload.subscription?.entity;
if (subscription && subscription.notes) {
const userId = subscription.notes.user_id;
if (userId) {
await adminClient
.from('subscriptions')
.update({
status: 'active',
razorpay_subscription_id: subscription.id,
current_period_start: new Date(subscription.current_start * 1000).toISOString(),
current_period_end: new Date(subscription.current_end * 1000).toISOString(),
})
.eq('user_id', userId);
console.log(`Subscription activated: ${subscription.id}`);
}
}
break;
}
case 'subscription.charged': {
// Recurring payment charged
const subscription = payload.payload.subscription?.entity;
if (subscription && subscription.notes) {
const userId = subscription.notes.user_id;
if (userId) {
// Update subscription period
await adminClient
.from('subscriptions')
.update({
current_period_start: new Date(subscription.current_start * 1000).toISOString(),
current_period_end: new Date(subscription.current_end * 1000).toISOString(),
})
.eq('user_id', userId);
console.log(`Subscription charged: ${subscription.id}`);
}
}
break;
}
case 'subscription.cancelled': {
// Subscription cancelled
const subscription = payload.payload.subscription?.entity;
if (subscription && subscription.notes) {
const userId = subscription.notes.user_id;
if (userId) {
await adminClient
.from('subscriptions')
.update({
status: 'cancelled',
cancelled_at: new Date().toISOString(),
})
.eq('user_id', userId);
// Downgrade profile to free
await adminClient
.from('profiles')
.update({ subscription_tier: 'free' })
.eq('user_id', userId);
console.log(`Subscription cancelled: ${subscription.id}`);
}
}
break;
}
default:
console.log(`Unhandled webhook event: ${event}`);
}
return NextResponse.json({ received: true });
} catch (error) {
console.error('Webhook error:', error);
return NextResponse.json({ error: 'Webhook processing failed' }, { status: 500 });
}
}
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