Phase 3 & Phase 4 - Completed

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IGNY8 VPS (Salman)
2026-01-07 00:57:26 +00:00
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# Third-Party Integrations Implementation Plan
**Version:** 1.0
**Created:** January 6, 2026
**Version:** 1.1
**Created:** January 6, 2026
**Updated:** January 7, 2026
**Status:****IMPLEMENTATION COMPLETE**
**Covers:** FINAL-PRELAUNCH.md Phase 3.2, 3.3, and Phase 4
---
## Implementation Status
| Phase | Component | Status | Notes |
|-------|-----------|--------|-------|
| 3.2 | Stripe Integration | ✅ Complete | Full checkout, billing portal, webhooks |
| 3.2 | PayPal Integration | ✅ Complete | REST API v2, orders, subscriptions |
| 3.3 | Plan Upgrade Flow | ✅ Complete | Stripe/PayPal/Manual payment selection |
| 3.3 | Credit Purchase Flow | ✅ Complete | One-time credit package checkout |
| 4 | Resend Email Service | ✅ Complete | Transactional emails with templates |
| 4 | Brevo Marketing | ⏸️ Deferred | Future implementation |
---
## Executive Summary
This document provides complete implementation details for:
@@ -75,9 +90,11 @@ class IntegrationProvider(models.Model):
| Service | Location | Status |
|---------|----------|--------|
| `PaymentService` | `business/billing/services/payment_service.py` | ✅ Scaffolded |
| `InvoiceService` | `business/billing/services/invoice_service.py` | ✅ Scaffolded |
| `BillingEmailService` | `business/billing/services/email_service.py` | ✅ Uses Django send_mail |
| `PaymentService` | `business/billing/services/payment_service.py` | ✅ Complete |
| `InvoiceService` | `business/billing/services/invoice_service.py` | ✅ Complete |
| `StripeService` | `business/billing/services/stripe_service.py` | ✅ **NEW - Complete** |
| `PayPalService` | `business/billing/services/paypal_service.py` | ✅ **NEW - Complete** |
| `EmailService` | `business/billing/services/email_service.py` | ✅ **Updated - Resend Integration** |
---
@@ -1110,14 +1127,17 @@ def send_low_credits_warning(account, current_credits, threshold):
## 5. Required Credentials Checklist
> **Note:** All credentials are stored in the `IntegrationProvider` model and can be configured via Django Admin. The implementation supports both sandbox (testing) and production environments.
### 5.1 Stripe Credentials
| Item | Value | Status |
|------|-------|--------|
| Publishable Key (Live) | `pk_live_...` | ⬜ Needed |
| Secret Key (Live) | `sk_live_...` | ⬜ Needed |
| Webhook Signing Secret | `whsec_...` | ⬜ Needed |
| Products/Prices Created | Plan IDs | ⬜ Needed |
| Publishable Key (Live) | `pk_live_...` | ⬜ Add to IntegrationProvider |
| Secret Key (Live) | `sk_live_...` | ⬜ Add to IntegrationProvider |
| Webhook Signing Secret | `whsec_...` | ⬜ Add to IntegrationProvider |
| Products/Prices Created | Plan IDs | ⬜ Create in Stripe Dashboard |
| **Code Implementation** | — | ✅ **Complete** |
**Stripe Products to Create:**
1. **Starter Plan** - $99/mo - `price_starter_monthly`
@@ -1128,18 +1148,20 @@ def send_low_credits_warning(account, current_credits, threshold):
| Item | Value | Status |
|------|-------|--------|
| Client ID (Live) | `AY...` | ⬜ Needed |
| Client Secret (Live) | `EL...` | ⬜ Needed |
| Webhook ID | `WH-...` | ⬜ Needed |
| Subscription Plans Created | PayPal Plan IDs | ⬜ Needed |
| Client ID (Live) | `AY...` | ⬜ Add to IntegrationProvider |
| Client Secret (Live) | `EL...` | ⬜ Add to IntegrationProvider |
| Webhook ID | `WH-...` | ⬜ Add to IntegrationProvider config |
| Subscription Plans Created | PayPal Plan IDs | ⬜ Create in PayPal Dashboard |
| **Code Implementation** | — | ✅ **Complete** |
### 5.3 Resend Credentials
| Item | Value | Status |
|------|-------|--------|
| API Key | `re_...` | ⬜ Needed |
| Domain Verified | igny8.com | ⬜ Needed |
| DNS Records Added | DKIM, SPF | ⬜ Needed |
| API Key | `re_...` | ⬜ Add to IntegrationProvider |
| Domain Verified | igny8.com | ⬜ Configure in Resend Dashboard |
| DNS Records Added | DKIM, SPF | ⬜ Add to DNS provider |
| **Code Implementation** | — | ✅ **Complete** |
### 5.4 Brevo Credentials (Future)
@@ -1152,25 +1174,25 @@ def send_low_credits_warning(account, current_credits, threshold):
## 6. Implementation Order
### Phase 1: Backend Setup (2-3 days)
### Phase 1: Backend Setup ✅ COMPLETE
1. **Add dependencies:**
1. **Add dependencies:**
```bash
pip install resend>=0.7.0
# PayPal uses requests (already installed)
# Stripe already installed
```
2. **Create service files:**
- `backend/igny8_core/business/billing/services/stripe_service.py`
- `backend/igny8_core/business/billing/services/paypal_service.py`
- Update `backend/igny8_core/business/billing/services/email_service.py`
2. **Create service files:**
- `backend/igny8_core/business/billing/services/stripe_service.py`
- `backend/igny8_core/business/billing/services/paypal_service.py`
- Update `backend/igny8_core/business/billing/services/email_service.py`
3. **Create view files:**
- `backend/igny8_core/business/billing/views/stripe_views.py`
- `backend/igny8_core/business/billing/views/paypal_views.py`
3. **Create view files:**
- `backend/igny8_core/business/billing/views/stripe_views.py`
- `backend/igny8_core/business/billing/views/paypal_views.py`
4. **Add URL routes:**
4. **Add URL routes:**
```python
# backend/igny8_core/business/billing/urls.py
urlpatterns += [
@@ -1184,65 +1206,84 @@ def send_low_credits_warning(account, current_credits, threshold):
]
```
5. **Add email templates:**
5. **Add email templates:**
```
backend/igny8_core/templates/emails/
├── base.html
├── welcome.html
├── password_reset.html
├── payment_confirmed.html
├── email_verification.html
├── payment_confirmation.html
├── payment_approved.html
├── payment_rejected.html
├── payment_failed.html
├── subscription_activated.html
── low_credits.html
── subscription_renewal.html
├── low_credits.html
└── refund_notification.html
```
### Phase 2: Stripe Configuration (1 day)
### Phase 2: Stripe Configuration ⏳ PENDING USER CREDENTIALS
1. Create products and prices in Stripe Dashboard
2. Configure webhook endpoint
3. Get API keys and add to IntegrationProvider via admin
4. Test in sandbox mode
1. Create products and prices in Stripe Dashboard (User action needed)
2. Configure webhook endpoint (User action needed)
3. Get API keys and add to IntegrationProvider via admin (User action needed)
4. Test in sandbox mode (After credentials added)
### Phase 3: Frontend Integration (1-2 days)
### Phase 3: Frontend Integration ✅ COMPLETE
1. Add billing API methods
2. Update PlansAndBillingPage with payment buttons
3. Update UsageAnalyticsPage with credit purchase
4. Add success/cancel handling
1. Add billing API methods (stripe, paypal, purchaseCredits, subscribeToPlan)
2. Update PlansAndBillingPage with payment buttons
3. ✅ Add PaymentGatewaySelector component
4. Add success/cancel handling
### Phase 4: Email Configuration (1 day)
### Phase 4: Email Configuration ⏳ PENDING USER CREDENTIALS
1. Add Resend API key to IntegrationProvider
2. Verify domain
3. Test all email triggers
1. Add Resend API key to IntegrationProvider (User action needed)
2. Verify domain at resend.com (User action needed)
3. Test all email triggers (After credentials added)
### Phase 5: Testing (1-2 days)
### Phase 5: Testing ⏳ PENDING USER CREDENTIALS
1. Test Stripe checkout flow (sandbox)
2. Test PayPal flow (sandbox)
3. Test webhook handling
4. Test email delivery
5. Switch to production credentials
1. Test Stripe checkout flow (sandbox) - After credentials added
2. Test PayPal flow (sandbox) - After credentials added
3. Test webhook handling - After webhooks configured
4. Test email delivery - After Resend configured
5. Switch to production credentials - After testing complete
---
## Summary
**Total Estimated Time:** 6-9 days
**Implementation Status:** ✅ **CODE COMPLETE** - Ready for credentials and testing
**Dependencies:**
- Stripe account with products/prices created
- PayPal developer account with app created
- Resend account with domain verified
**Time Spent:** 2-3 days (Backend + Frontend implementation)
**Files to Create:**
- `stripe_service.py`
- `stripe_views.py`
- `paypal_service.py`
- `paypal_views.py`
- Updated `email_service.py`
- 5 email templates
**Pending Actions (User):**
- ⏳ Stripe account: Create products/prices, configure webhooks, add API keys
- ⏳ PayPal developer account: Create app, configure webhooks, add credentials
- ⏳ Resend account: Verify domain, add API key
**Files Created:** ✅
- ✅ `stripe_service.py` (500+ lines)
- ✅ `stripe_views.py` (560+ lines)
- ✅ `paypal_service.py` (500+ lines)
- ✅ `paypal_views.py` (600+ lines)
- ✅ Updated `email_service.py` (760+ lines)
- ✅ 12 email templates
- ✅ `PaymentGatewaySelector.tsx` (160+ lines)
- ✅ Updated `PlansAndBillingPage.tsx`
- ✅ Updated `billing.api.ts` (+285 lines)
**Existing Infrastructure Used:**
- `IntegrationProvider` model for all credentials
- `Payment`, `Invoice`, `CreditPackage` models
- `PaymentService` for payment processing
- `CreditService` for credit management
- `IntegrationProvider` model for all credentials
- `Payment`, `Invoice`, `CreditPackage` models
- `PaymentService` for payment processing
- `CreditService` for credit management
**Next Steps:**
1. Add Stripe credentials to Django Admin → Integration Providers
2. Add PayPal credentials to Django Admin → Integration Providers
3. Add Resend API key to Django Admin → Integration Providers
4. Test payment flows in sandbox mode
5. Switch to production credentials when ready