feat: add create request

src/infrastructure/database/repositories/purchase_request_repository.py

@@ -2,6 +2,7 @@ from __future__ import annotations
 
 from typing import Any
 
+from ulid import ULID
 from sqlalchemy import func, select, update
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.exc import SQLAlchemyError
@@ -45,6 +46,16 @@ class PurchaseRequestRepository(IPurchaseRequestRepository):
             stmt = stmt.where(PurchaseRequestModel.organization_id == organization_id)
         return stmt
 
+    async def create(self, values: dict[str, Any]) -> PurchaseRequestEntity:
+        model = PurchaseRequestModel(id=str(ULID()), **values)
+        self._session.add(model)
+        try:
+            await self._session.flush()
+            return self._to_entity(model)
+        except SQLAlchemyError as exc:
+            self._logger.exception(str(exc))
+            raise ApplicationException(status_code=500, message='Database error')
+
     async def get_by_id(self, request_id: str) -> PurchaseRequestEntity:
         res = await self._session.execute(select(PurchaseRequestModel).where(PurchaseRequestModel.id == request_id))
         m = res.scalar_one_or_none()