tractatus/.env.example
TheFlow ebfeadb900 feat: implement Koha donation system backend (Phase 3)
Backend API complete for NZD donation processing via Stripe.

**New Backend Components:**

Database Model:
- src/models/Donation.model.js - Donation schema with privacy-first design
  - Anonymous donations by default, opt-in public acknowledgement
  - Monthly recurring and one-time donation support
  - Stripe integration (customer, subscription, payment tracking)
  - Public transparency metrics aggregation
  - Admin statistics and reporting

Service Layer:
- src/services/koha.service.js - Stripe integration service
  - Checkout session creation (monthly + one-time)
  - Webhook event processing (8 event types)
  - Subscription management (cancel, update)
  - Receipt email generation (placeholder)
  - Transparency metrics calculation
  - Based on passport-consolidated StripeService pattern

Controller:
- src/controllers/koha.controller.js - HTTP request handlers
  - POST /api/koha/checkout - Create donation checkout
  - POST /api/koha/webhook - Stripe webhook receiver
  - GET /api/koha/transparency - Public metrics
  - POST /api/koha/cancel - Cancel recurring donation
  - GET /api/koha/verify/:sessionId - Verify payment status
  - GET /api/koha/statistics - Admin statistics

Routes:
- src/routes/koha.routes.js - API endpoint definitions
- src/routes/index.js - Koha routes registered

**Infrastructure:**

Server Configuration:
- src/server.js - Raw body parsing for Stripe webhooks
  - Required for webhook signature verification
  - Route-specific middleware for /api/koha/webhook

Environment Variables:
- .env.example - Koha/Stripe configuration template
  - Stripe API keys (reuses passport-consolidated account)
  - Price IDs for NZD monthly tiers ($5, $15, $50)
  - Webhook secret for signature verification
  - Frontend URL for payment redirects

**Documentation:**

- docs/KOHA_STRIPE_SETUP.md - Complete setup guide
  - Step-by-step Stripe Dashboard configuration
  - Product and price creation instructions
  - Webhook endpoint setup
  - Testing procedures with test cards
  - Security and compliance notes
  - Production deployment checklist

**Key Features:**

 Privacy-first design (anonymous by default)
 NZD currency support (New Zealand Dollars)
 Monthly recurring subscriptions ($5, $15, $50 NZD)
 One-time custom donations
 Public transparency dashboard metrics
 Stripe webhook signature verification
 Subscription cancellation support
 Receipt tracking (email generation ready)
 Admin statistics and reporting

**Architecture:**

- Reuses existing Stripe account from passport-consolidated
- Separate webhook endpoint (/api/koha/webhook vs /api/stripe/webhook)
- Separate MongoDB collection (koha_donations)
- Compatible with existing infrastructure

**Next Steps:**

- Create Stripe products in Dashboard (use setup guide)
- Build donation form frontend UI
- Create transparency dashboard page
- Implement receipt email service
- Test end-to-end with Stripe test cards
- Deploy to production

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-10-08 13:35:40 +13:00

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# Application
NODE_ENV=development
PORT=9000
APP_NAME=Tractatus
# MongoDB
MONGODB_URI=mongodb://localhost:27017/tractatus_dev
MONGODB_PORT=27017
MONGODB_DB=tractatus_dev
# JWT Authentication
JWT_SECRET=generate_a_secure_random_secret_key_here
JWT_EXPIRY=7d
# Admin
ADMIN_EMAIL=john.stroh.nz@pm.me
# Claude API (Phase 2+)
# CLAUDE_API_KEY=your_anthropic_api_key_here
# CLAUDE_MODEL=claude-sonnet-4-5
# Logging
LOG_LEVEL=info
LOG_FILE=logs/app.log
# Feature Flags
ENABLE_AI_CURATION=false
ENABLE_MEDIA_TRIAGE=false
ENABLE_CASE_SUBMISSIONS=false
# Security
RATE_LIMIT_WINDOW_MS=900000
RATE_LIMIT_MAX_REQUESTS=100
# Koha Donation System (Phase 3)
# Stripe configuration (reuses passport-consolidated account)
STRIPE_SECRET_KEY=sk_test_your_stripe_secret_key_here
STRIPE_PUBLISHABLE_KEY=pk_test_your_stripe_publishable_key_here
STRIPE_KOHA_WEBHOOK_SECRET=whsec_your_webhook_secret_here
# Stripe Price IDs (NZD products)
# Create these in Stripe Dashboard first
STRIPE_KOHA_5_PRICE_ID=price_koha_5_nzd_monthly
STRIPE_KOHA_15_PRICE_ID=price_koha_15_nzd_monthly
STRIPE_KOHA_50_PRICE_ID=price_koha_50_nzd_monthly
STRIPE_KOHA_ONETIME_PRICE_ID=price_koha_onetime
# Frontend URL for redirects
FRONTEND_URL=http://localhost:9000