Refactor the pricing calculation service and shipping rate import logic to improve consistency and reliability. This includes updating direction naming conventions, enhancing model casting, and adding comprehensive test suites.
- Update `ShippingRatesImport` to use 'outbound' and 'inbound' instead of 'export' and 'import'
- Refactor `PriceCalculatorService` to use a more modular calculation structure
- Update `ShippingRate` model to use explicit property casting for zones
- Add `HasFactory` trait to `Country` and `ShippingRate` models
- Add new database factories for `Country` and `ShippingRate`
- Implement new feature tests for API endpoints and service logic
- Add new service tests for `PriceCalculatorService`
Add Zarinpal configuration options and implement the core payment
infrastructure, including the Payment model, migration, service
layer, and API controller.
Implement the core logic for applying discount codes during price
calculation and introduce the WalletService. This includes updating
the PriceCalculatorService to validate and apply discounts,
incrementing usage counts, and adding a Filament resource for
managing discount codes via the admin panel.
Additionally, refactor TrackingDataImport to use OnEachRow for better
memory management during large Excel imports.
Add database migrations and Eloquent models to support user wallets,
transaction history, and discount code functionality. Includes a
one-to-one relationship between User and Wallet.
