refactor: repository create mixin

repositories/deal.py

@@ -5,13 +5,17 @@ from sqlalchemy.orm import joinedload
 
 from models import Deal, CardStatusHistory, Board
 from repositories.base import BaseRepository
-from repositories.mixins import RepDeleteMixin
+from repositories.mixins import RepDeleteMixin, RepCreateMixin
 from schemas.base import SortDir
 from schemas.deal import UpdateDealSchema, CreateDealSchema
 from utils.sorting import apply_sorting
 
 
-class DealRepository(BaseRepository, RepDeleteMixin[Deal]):
+class DealRepository(
+    BaseRepository, RepDeleteMixin[Deal], RepCreateMixin[Deal, CreateDealSchema]
+):
+    entity_class = Deal
+
     async def get_all(
         self,
         page: Optional[int],
@@ -63,13 +67,6 @@ class DealRepository(BaseRepository, RepDeleteMixin[Deal]):
         result = await self.session.execute(stmt)
         return result.scalar_one_or_none()
 
-    async def create(self, data: CreateDealSchema) -> Deal:
-        deal = Deal(**data.model_dump())
-        self.session.add(deal)
-        await self.session.commit()
-        await self.session.refresh(deal)
-        return await self.get_by_id(deal.id)
-
     async def update(self, deal: Deal, data: UpdateDealSchema) -> Deal:
         deal.lexorank = data.lexorank if data.lexorank else deal.lexorank
         deal.name = data.name if data.name else deal.name