feat: service dependencies

Issue #6

src/service/dependencies.py

@@ -8,4 +8,32 @@ Classes:
 Functions:
  - List: Description
  - Functions: Description
-"""
+"""
+from typing import Annotated
+from fastapi import Depends, Query
+
+from src.database import db_dependency
+
+from src.service.exceptions import ServiceNotFoundException
+from src.service.models import Service
+from src.service.schemas import ServiceIDMixin
+
+
+async def get_service_model_query(db: db_dependency, service_id: Annotated[int, Query(gt=0)]):
+	service_model = db.get(Service, service_id)
+	if service_model is None:
+		raise ServiceNotFoundException(service_id=service_id)
+
+	return service_model
+
+service_model_query_dependency = Annotated[type[Service], Depends(get_service_model_query)]
+
+
+async def get_service_model_body(db: db_dependency, request_model: ServiceIDMixin):
+	service_model = db.get(Service, request_model.service_id)
+	if service_model is None:
+		raise ServiceNotFoundException(service_id=request_model.service_id)
+
+	return service_model
+
+service_model_body_dependency = Annotated[type[Service], Depends(get_service_model_body)]