refactor: repository get by id mixin

repositories/status.py

@@ -1,17 +1,16 @@
-from typing import Optional
-
 from sqlalchemy import select, func
 
 from models import Status, Deal
 from repositories.base import BaseRepository
-from repositories.mixins import RepDeleteMixin, RepCreateMixin
+from repositories.mixins import RepDeleteMixin, RepCreateMixin, GetByIdMixin
 from schemas.status import UpdateStatusSchema, CreateStatusSchema
 
 
 class StatusRepository(
     BaseRepository,
     RepDeleteMixin[Status],
-    RepCreateMixin[Deal, CreateStatusSchema],
+    RepCreateMixin[Status, CreateStatusSchema],
+    GetByIdMixin[Status],
 ):
     entity_class = Status
 
@@ -24,13 +23,6 @@ class StatusRepository(
         result = await self.session.execute(stmt)
         return list(result.scalars().all())
 
-    async def get_by_id(self, status_id: int) -> Optional[Status]:
-        stmt = select(Status).where(
-            Status.id == status_id, Status.is_deleted.is_(False)
-        )
-        result = await self.session.execute(stmt)
-        return result.scalar_one_or_none()
-
     async def get_deals_count(self, status_id: int) -> int:
         stmt = select(func.count(Deal.id)).where(Deal.status_id == status_id)
         result = await self.session.execute(stmt)