Files
mono/cart
giles 3b707ec8a0 Decouple all cross-app service calls to HTTP endpoints
Replace every direct cross-app services.* call with HTTP-based
communication: call_action() for writes, fetch_data() for reads.
Each app now registers only its own domain service.

Infrastructure:
- shared/infrastructure/actions.py — POST client for /internal/actions/
- shared/infrastructure/data_client.py — GET client for /internal/data/
- shared/contracts/dtos.py — dto_to_dict/dto_from_dict serialization

Action endpoints (writes):
- events: 8 handlers (ticket adjust, claim/confirm, toggle, adopt)
- market: 2 handlers (create/soft-delete marketplace)
- cart: 1 handler (adopt cart for user)

Data endpoints (reads):
- blog: 4 (post-by-slug/id, posts-by-ids, search-posts)
- events: 10 (pending entries/tickets, entries/tickets for page/order,
  entry-ids, associated-entries, calendars, visible-entries-for-period)
- market: 1 (marketplaces-for-container)
- cart: 1 (cart-summary)

Service registration cleanup:
- blog→blog+federation, events→calendar+federation,
  market→market+federation, cart→cart only,
  federation→federation only, account→nothing
- Stubs reduced to minimal StubFederationService

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-25 03:01:38 +00:00
..
2026-02-24 20:13:00 +00:00

Cart App

Shopping cart, checkout, and order management service for the Rose Ash cooperative. Integrates with SumUp for payment processing.

Structure

app.py                  # Application factory (create_base_app + blueprints)
path_setup.py           # Adds project root + app dir to sys.path
entrypoint.sh           # Container entrypoint (Redis flush, start)
bp/
  cart/                 # Cart blueprint
    global_routes.py    #   Add to cart, checkout, webhooks, return page
    page_routes.py      #   Page-scoped cart and checkout
    overview_routes.py  #   Cart overview / summary page
    services/           #   Business logic
      checkout.py       #     Order creation, SumUp integration
      check_sumup_status.py  #  Payment status polling
      calendar_cart.py  #     Calendar entry cart queries
      page_cart.py      #     Page-scoped cart queries
      get_cart.py       #     Cart item queries
      identity.py       #     Cart identity (user_id / session_id)
      total.py          #     Price calculations
      clear_cart_for_order.py  # Soft-delete cart after checkout
  order/                # Single order detail view
  orders/               # Order listing view
  fragments/            # cart-mini fragment, account-nav-item fragment
models/                 # Re-export stubs (Order, OrderItem, PageConfig)
services/               # register_domain_services() — wires cart + calendar + market
templates/              # Cart-specific templates (override shared/)

Cart identity

Cart items are keyed by user_id (logged in) or session_id (anonymous). On login, anonymous cart items are adopted to the user's account.

Cross-domain communication

  • services.calendar.* — claim/confirm entries for orders, adopt on login
  • services.market.* — marketplace queries for page-scoped carts
  • services.blog.* — post lookup for page context

Fragments served

  • cart-mini — cart icon + badge count
  • account-nav-item — orders link for account nav

Checkout flow

  1. User clicks "Checkout"
  2. create_order_from_cart() creates Order + OrderItems
  3. services.calendar.claim_entries_for_order() marks entries as "ordered"
  4. Emits Create / rose:Order activity
  5. SumUp hosted checkout created, user redirected
  6. SumUp webhook / return page triggers check_sumup_status()
  7. If PAID: services.calendar.confirm_entries_for_order(), emits rose:OrderPaid