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igny8/docs/working-docs/IMPLEMENTATION-CHECKLIST.md
2025-12-04 23:56:38 +00:00

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Quick Implementation Checklist

Status: Backend Models Created - Ready for Migration
Next: Run migrations and start building services


COMPLETED TODAY

  • Invoice model with Stripe integration
  • Payment model (Stripe, PayPal, Manual support)
  • CreditPackage model for purchasable bundles
  • PaymentMethodConfig for per-country settings
  • Account billing address fields
  • Comprehensive documentation (3 guides, 2,000+ lines)
  • 32-task implementation roadmap
  • Service code templates
  • API endpoint specifications

🚀 NEXT STEPS (In Order)

Immediate (Today/Tomorrow)

  • Run migrations

    cd /data/app/igny8/backend
    python manage.py makemigrations billing --name add_invoice_payment_models
    python manage.py makemigrations auth --name add_billing_address_fields
    python manage.py migrate
    
  • Create sample credit packages

    python manage.py shell
    # Then run code from SESSION-SUMMARY-DEC-4-2025.md
    
  • Configure payment methods for your countries

    • Add US, GB, IN, or your target countries
    • Enable Stripe and PayPal
    • Set up manual payment details

Week 1: Core Services

  • Create InvoiceService

    • Location: backend/igny8_core/business/billing/services/invoice_service.py
    • Methods: create_invoice, generate_invoice_number, mark_paid
    • Test: Create a test invoice
  • Create PaymentService (manual only)

    • Location: backend/igny8_core/business/billing/services/payment_service.py
    • Methods: create_manual_payment, approve_manual_payment
    • Test: Create and approve a manual payment
  • Create basic API endpoints

    • /v1/billing/invoices/ - List invoices
    • /v1/billing/credits/packages/ - List credit packages
    • Test with Postman/curl

Week 2: Stripe Integration

  • Install Stripe library

    pip install stripe
    
  • Add Stripe to PaymentService

    • create_stripe_payment method
    • handle_stripe_success method
  • Create Stripe webhook handler

    • File: backend/igny8_core/business/billing/webhooks/stripe_webhooks.py
    • Handle: invoice.paid, payment_intent.succeeded
  • Test Stripe in test mode

    • Use test card: 4242 4242 4242 4242
    • Verify webhook processing

Week 3-4: Frontend Foundation

  • Create Account Settings page

    • Path: /account/settings
    • File: frontend/src/pages/Account/AccountSettings.tsx
    • Features: Account info, billing address, limits
  • Create Plans & Billing page

    • Path: /account/billing
    • File: frontend/src/pages/Account/PlansAndBilling.tsx
    • Tabs: Current Plan, Credits, History, Payment Methods
  • Update navigation

    • Add ACCOUNT section to sidebar
    • Link to new pages

Week 5-6: Purchase Flow

  • Create Purchase Credits page

    • Path: /account/credits/purchase
    • Show credit packages
    • Stripe Elements integration
    • Payment confirmation
  • Create Invoices page

    • Path: /account/invoices
    • List invoices with filter/search
    • Download PDF button

Week 7-8: Admin Features

  • Create Admin Dashboard

    • Path: /admin/dashboard
    • System metrics and charts
  • Create Accounts Management

    • Path: /admin/accounts
    • List all accounts
    • Credit adjustment
  • Create Payment Method Config

    • Path: /admin/payment-methods
    • Per-country configuration

Week 9-10: PayPal & Polish

  • Install PayPal library

    pip install paypalrestsdk
    npm install @paypal/react-paypal-js
    
  • Add PayPal to PaymentService

  • Create PayPal webhook handler

  • Add PayPal buttons to Purchase page

Week 11-12: Additional Features

  • Email templates

    • Invoice created
    • Payment success/failed
    • Subscription changes
  • PDF invoice generation

    • Install reportlab
    • Create invoice template
    • Add download endpoint
  • Team Management page

    • Path: /account/team
    • List members, invite, manage roles
  • Usage Analytics page

    • Path: /account/usage
    • Charts and cost breakdown

Week 13-14: Testing & Launch

  • Write unit tests
  • Write integration tests
  • Test all payment flows
  • Write documentation
  • Deploy to production

📁 FILES TO REVIEW

Documentation (Start Here)

  1. SESSION-SUMMARY-DEC-4-2025.md - Current status and immediate next steps
  2. IMPLEMENTATION-GUIDE-DEC-4-2025.md - Detailed implementation guide (all 32 tasks)
  3. SAAS-STANDARDIZATION-PLAN-DEC-4-2025.md - Complete architecture and specifications

Backend Models (Already Created)

  1. backend/igny8_core/business/billing/models.py

    • Invoice
    • Payment
    • CreditPackage
    • PaymentMethodConfig
  2. backend/igny8_core/auth/models.py

    • Account (with new billing fields)

To Be Created

  1. backend/igny8_core/business/billing/services/

    • invoice_service.py
    • payment_service.py
    • subscription_service.py
  2. backend/igny8_core/business/billing/webhooks/

    • stripe_webhooks.py
    • paypal_webhooks.py
  3. frontend/src/pages/Account/

    • AccountSettings.tsx
    • PlansAndBilling.tsx
    • TeamManagement.tsx
    • UsageAnalytics.tsx
    • PurchaseCredits.tsx
    • Invoices.tsx
  4. frontend/src/pages/Admin/

    • SystemDashboard.tsx
    • AccountsManagement.tsx
    • InvoicesManagement.tsx
    • PaymentMethodConfig.tsx

🎯 QUICK WINS (Start with these)

1. Run Migrations (5 min)

python manage.py makemigrations billing auth
python manage.py migrate

2. Create Sample Data (5 min)

Copy code from SESSION-SUMMARY-DEC-4-2025.md to create credit packages and payment configs.

3. Create InvoiceService (30 min)

Copy code from IMPLEMENTATION-GUIDE-DEC-4-2025.md, test invoice creation.

4. Create Basic API (30 min)

List invoices and credit packages endpoints.

5. Create Account Settings Page (2 hours)

Start with read-only view, add edit functionality later.

Total for Quick Wins: ~4 hours Result: Migrations done, invoices working, basic page visible


💡 TIPS

  1. Start Small: Don't try to implement everything at once. One service at a time.

  2. Test As You Go: After each service, test it in the Django shell before moving on.

  3. Use Test Mode: Always use Stripe test mode and PayPal sandbox initially.

  4. Follow The Guide: IMPLEMENTATION-GUIDE-DEC-4-2025.md has code templates for everything.

  5. Check Examples: Each task in the guide includes working code you can copy.


⚠️ BEFORE YOU START

Install Dependencies

Backend:

cd backend
pip install stripe paypalrestsdk reportlab

Frontend:

cd frontend
npm install @stripe/stripe-js @stripe/react-stripe-js
npm install @paypal/react-paypal-js
npm install recharts

Environment Variables

Create/update .env file:

# Stripe (Test Mode)
STRIPE_PUBLIC_KEY=pk_test_your_key
STRIPE_SECRET_KEY=sk_test_your_key
STRIPE_WEBHOOK_SECRET=whsec_your_secret

# PayPal (Sandbox)
PAYPAL_CLIENT_ID=your_client_id
PAYPAL_CLIENT_SECRET=your_secret
PAYPAL_MODE=sandbox

# Email (for notifications)
EMAIL_BACKEND=django.core.mail.backends.smtp.EmailBackend
EMAIL_HOST=smtp.gmail.com
EMAIL_PORT=587
EMAIL_USE_TLS=True
EMAIL_HOST_USER=your_email@gmail.com
EMAIL_HOST_PASSWORD=your_app_password

📊 PROGRESS TRACKING

Mark items as you complete them:

Backend:

  • Migrations applied
  • Sample data created
  • InvoiceService
  • PaymentService
  • SubscriptionService
  • Stripe webhooks
  • PayPal webhooks
  • Billing API endpoints
  • Account management API
  • Admin API endpoints

Frontend:

  • Account Settings page
  • Plans & Billing page
  • Purchase Credits page
  • Invoices page
  • Team Management page
  • Usage Analytics page
  • Admin Dashboard
  • Admin Accounts page
  • Admin Invoices page
  • Payment Method Config page

Integration:

  • Stripe test payments working
  • PayPal test payments working
  • Manual payment approval working
  • Webhooks processing correctly
  • Email notifications sending
  • PDF invoices generating

Testing:

  • Unit tests passing
  • Integration tests passing
  • E2E tests passing
  • Manual testing complete

Launch:

  • Documentation complete
  • Production environment configured
  • Stripe in live mode
  • PayPal in live mode
  • Deployed to production

Status: Ready to implement! Start with migrations, then follow the checklist above. 🚀