feat: use stapi pydantic in stapi fastapi

stapi-fastapi/CHANGELOG.md

@@ -15,6 +15,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 - Add constants for route names to be used in link href generation
 
+## Changed
+
+- stapi-fastapi is now using stapi-pydantic models, deduplicating code
+- Product in stapi-fastapi is now subclass of Product from stapi-pydantic
+
 ## [v0.6.0] - 2025-02-11
 
 ### Added

stapi-fastapi/src/stapi_fastapi/backends/product_backend.py

@@ -6,14 +6,14 @@
 from fastapi import Request
 from returns.maybe import Maybe
 from returns.result import ResultE
-
-from stapi_fastapi.models.opportunity import (
+from stapi_pydantic.opportunity import (
     Opportunity,
     OpportunityCollection,
     OpportunityPayload,
     OpportunitySearchRecord,
 )
-from stapi_fastapi.models.order import Order, OrderPayload
+from stapi_pydantic.order import Order, OrderPayload
+
 from stapi_fastapi.routers.product_router import ProductRouter
 
 SearchOpportunities = Callable[

stapi-fastapi/src/stapi_fastapi/backends/root_backend.py

@@ -4,16 +4,15 @@
 from fastapi import Request
 from returns.maybe import Maybe
 from returns.result import ResultE
-
-from stapi_fastapi.models.opportunity import OpportunitySearchRecord
-from stapi_fastapi.models.order import (
+from stapi_pydantic.opportunity import OpportunitySearchRecord
+from stapi_pydantic.order import (
     Order,
     OrderStatus,
 )
 
 GetOrders = Callable[
     [str | None, int, Request],
-    Coroutine[Any, Any, ResultE[tuple[list[Order], Maybe[str]]]],
+    Coroutine[Any, Any, ResultE[tuple[list[Order[OrderStatus]], Maybe[str]]]],
 ]
 """
 Type alias for an async function that returns a list of existing Orders.
@@ -33,7 +32,7 @@
     - Returning returns.result.Failure[Exception] will result in a 500.
 """
 
-GetOrder = Callable[[str, Request], Coroutine[Any, Any, ResultE[Maybe[Order]]]]
+GetOrder = Callable[[str, Request], Coroutine[Any, Any, ResultE[Maybe[Order[OrderStatus]]]]]
 """
 Type alias for an async function that gets details for the order with `order_id`.
 

stapi-fastapi/src/stapi_fastapi/models/__init__.py

@@ -1,6 +1,8 @@
-from .opportunity import OpportunityProperties
-from .product import Product, Provider, ProviderRole
-from .shared import Link
+from stapi_pydantic.opportunity import OpportunityProperties
+from stapi_pydantic.product import Provider, ProviderRole
+from stapi_pydantic.shared import Link
+
+from .product import Product
 
 __all__ = [
     "Link",