feat: patch deal endpoint

services/deal.py

@@ -1,7 +1,13 @@
+from fastapi import HTTPException
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from repositories import DealRepository
-from schemas.deal import GetDealsResponse, DealSchema
+from schemas.deal import (
+    GetDealsResponse,
+    DealSchema,
+    UpdateDealResponse,
+    UpdateDealRequest,
+)
 
 
 class DealService:
@@ -13,3 +19,11 @@ class DealService:
         return GetDealsResponse(
             deals=[DealSchema.model_validate(deal) for deal in deals]
         )
+
+    async def update_deal(self, deal_id: int, request: UpdateDealRequest):
+        deal = await self.repository.get_by_id(deal_id)
+        if not deal:
+            raise HTTPException(status_code=404, detail="Сделка не найдена")
+
+        await self.repository.update(deal, request.deal)
+        return UpdateDealResponse(message="Сделка успешно обновлена")