- Add external_id field to CatalogSale model for tracking synced sales
- Create migration 0047 for external_id field
- Add TrytonCatalogSale and TrytonCatalogSaleLine classes for Tryton RPC format
- Add send_catalog_sales_to_tryton() method to SaleTrytonService
- Create CatalogSalesToTrytonView API endpoint (POST)
- Register endpoint at /don_confiao/api/enviar_catalog_sales_a_tryton
- Add test for external_id field functionality
- Catalog sales sync to same Tryton model as Sale (model.sale.sale.create)
- Differentiated by reference 'don_confiao_catalog X' and description 'Venta de catálogo'
- Filters only catalog sales without external_id to avoid duplicates
- Add 'active' boolean field to Product model with default=True
- Implement ProductView.get_queryset() to filter products by active status
- Default behavior: return only active products
- Support query params: ?active=true|false|all
- Support variations: 1/0, yes/no for true/false
- Detail operations (GET/PATCH/DELETE by ID) work with all products
- Update ProductSerializer to include 'active' field
- Add comprehensive test suite (11 new tests):
- Test filtering by active/inactive/all products
- Test parameter variations (1, yes, 0, no)
- Test PATCH to activate/deactivate products
- Test default list behavior after status changes
- Update API documentation in doc/requests.org with examples
- All tests passing (13 product tests + 8 API tests)
- Introduced SaleAbstractModel and SaleLineAbstractModel as abstract bases
- Added CatalogSale and CatalogSaleLine models inheriting from them
- Created migration 0045 for new models
- Added CatalogSaleView, CatalogSaleSerializer with nested line creation
- Registered new models in admin
- Added catalog_sales router endpoint to URLs
- Removed placeholder api/ package (now redundant)
