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Stripe Integration Implementation Checklist

✅ What's Been Implemented

Backend (Already Complete)

  • Stripe initialization in controllers
  • Payment creation endpoint (POST /api/vendor-requests/:id/payment)
  • Stripe checkout session creation
  • Webhook handler for payment confirmation
  • Payment status updates on webhook
  • Receipt email sending
  • Payment model with Stripe fields
  • VendorRequest model with payment fields
  • 3-day payment deadline calculation

Frontend Updates (Completed Today)

  • Updated VendorAcceptedEvents.jsx payment handler
  • Removed inline card form fields
  • Simplified to Stripe redirect flow
  • Updated payment modal UI
  • Display amount and deadline in modal
  • Created PaymentCancel.jsx component
  • Added payment-cancel route to App.jsx
  • Imported PaymentCancel in App.jsx

Documentation Created

  • STRIPE_PAYMENT_SETUP.md - Comprehensive guide
  • STRIPE_QUICK_START.md - 5-minute setup
  • STRIPE_PAYMENT_SUMMARY.md - Changes summary

🚀 Getting Started

Step 1: Environment Setup (5 min)

# Create backend/.env with:
STRIPE_SECRET_KEY=sk_test_xxxxxxxxxxxxx
STRIPE_WEBHOOK_SECRET=whsec_xxxxxxxxxxxxx
FRONTEND_URL=http://localhost:3000
CLIENT_URL=http://localhost:3000

Step 2: Start Servers

# Terminal 1
cd backend && npm start

# Terminal 2
cd frontend && npm start

Step 3: Test Payment Flow

  1. Login as Admin → Accept vendor request
  2. Login as Vendor → Go to "My Accepted Events"
  3. Click "Payment" → Redirects to Stripe
  4. Use card: 4242 4242 4242 4242
  5. See success page

📋 Manual Testing Checklist

Admin Flow

  • Login as Admin
  • Navigate to Vendor Requests
  • Accept a booth/bazaar request
  • Verify vendor receives acceptance email
  • Verify participationFee calculated correctly
  • Verify paymentDeadline set to now + 3 days

Vendor Payment Flow

  • Login as Vendor
  • Navigate to "My Accepted Events"
  • See accepted request with "Payment" button
  • Click "Payment" button
  • Modal opens showing:
    • Amount to pay (with correct fee)
    • Payment deadline date/time
    • "Secure payment via Stripe" message
  • Click "Pay Now"
  • Redirected to Stripe checkout
  • Can enter card details
  • Payment succeeds
  • Redirected to success page
  • "Payment" button changes to "✓ Paid"
  • Payment status in DB is "paid"

Edge Cases

  • Vendor can retry if payment cancelled
  • Cannot pay after deadline (future enhancement)
  • Webhook processes without frontend wait
  • Receipt email sent on successful payment
  • Multiple attempts don't create duplicate payments

🔧 Configuration Checklist

Stripe Account Setup

  • Created Stripe account
  • Got test mode Secret Key
  • Got test mode Webhook Secret
  • Added webhook for checkout.session.completed
  • Webhook URL: http://localhost:5000/api/webhooks/stripe

Application Setup

  • .env file created in backend/
  • STRIPE_SECRET_KEY added
  • STRIPE_WEBHOOK_SECRET added
  • FRONTEND_URL set correctly
  • CLIENT_URL set correctly
  • Backend started and running
  • Frontend started and running
  • Can access http://localhost:3000

Database

  • Payment collection exists
  • VendorRequest has payment fields
  • Can query: db.payments.find({})
  • Can query: db.vendorrequests.findOne({paymentStatus: "paid"})

📚 Key Files Changed

Frontend

  1. frontend/src/pages/VendorAcceptedEvents.jsx

    • Updated: handlePaymentSubmit()
    • Updated: Payment modal UI
    • Removed: Card input fields

  2. frontend/src/pages/PaymentCancel.jsx (NEW)

    • Displays when payment is cancelled
    • Shows retry and return options

  3. frontend/src/App.jsx

    • Added: PaymentCancel import
    • Added: /payment-cancel route

Backend

  • No changes needed (already configured)
  • Ready to use existing endpoints

Documentation

  1. STRIPE_QUICK_START.md - Quick setup
  2. STRIPE_PAYMENT_SETUP.md - Full guide
  3. STRIPE_PAYMENT_SUMMARY.md - Change summary

🎯 Verification Steps

Verify Backend Ready

# Check Stripe is initialized
curl http://localhost:5000/api/vendor-requests

# Should not throw Stripe error

Verify Frontend Ready

# Check imports
grep -r "PaymentCancel" frontend/src/

# Should show import in App.jsx

Verify Database

# Check payment model
db.payments.findOne({})

# Check vendor request
db.vendorrequests.findOne({})

🐛 Troubleshooting Quick Fixes

Issue Solution
"Stripe not configured" Add STRIPE_SECRET_KEY to .env and restart
Payment button not showing Check participationFee is set on request
Redirect to Stripe fails Verify FRONTEND_URL/CLIENT_URL in .env
Webhook not processing Check STRIPE_WEBHOOK_SECRET in .env
Email not sending Configure SMTP or check DB storage
Session ID mismatch Restart both servers

✨ Features Implemented

✅ Secure Stripe checkout ✅ No card data stored locally
✅ Automatic webhook processing ✅ 3-day payment deadline ✅ Email notifications ✅ Payment status tracking ✅ Receipt generation ✅ Test mode support ✅ Error handling ✅ Responsive UI

📱 User Experience Flow

Vendor Accepted Request
       ↓
Receives Email (amount + deadline)
       ↓
Logs into Dashboard
       ↓
Clicks "Payment" Button
       ↓
Modal Shows Amount & Deadline
       ↓
Clicks "Pay Now"
       ↓
Redirected to Stripe Checkout
       ↓
Enters Card Details
       ↓
Payment Succeeds
       ↓
Redirected to Success Page
       ↓
Button Changes to "✓ Paid"
       ↓
Receipt Email Sent

🚢 Production Deployment

When ready for production:

  1. Get live Stripe keys (not test keys)
  2. Update .env with live keys
  3. Configure production webhook URL
  4. Set NODE_ENV=production
  5. Update FRONTEND_URL to production domain
  6. Test with real card (optional)
  7. Monitor Stripe dashboard

See STRIPE_PAYMENT_SETUP.md "Production Deployment" section.

Status: ✅ Ready for Testing
Last Updated: Nov 25, 2025
Next Steps: Add Stripe keys to .env and test payment flow