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Author SHA1 Message Date
TheFlow
b3bd3b2348 feat: add multi-currency support and privacy policy to Koha system 
Multi-Currency Implementation:
- Add currency configuration with 10 supported currencies (NZD, USD, EUR, GBP, AUD, CAD, JPY, CHF, SGD, HKD)
- Create client-side and server-side currency utilities for conversion and formatting
- Implement currency selector UI component with auto-detection and localStorage persistence
- Update Donation model to store multi-currency transactions with NZD equivalents
- Update Koha service to handle currency conversion and exchange rate tracking
- Update donation form UI to display prices in selected currency
- Update transparency dashboard to show donations with currency indicators
- Update Stripe setup documentation with currency_options configuration guide

Privacy Policy:
- Create comprehensive privacy policy page (GDPR compliant)
- Add shared footer component with privacy policy link
- Update all Koha pages with footer component

Technical Details:
- Exchange rates stored at donation time for historical accuracy
- All donations tracked in both original currency and NZD for transparency
- Base currency: NZD (New Zealand Dollar)
- Uses Stripe currency_options for monthly subscriptions
- Dynamic currency for one-time donations

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-10-08 15:17:23 +13:00
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