refactor: repository create mixin

repositories/mixins.py

@@ -1,8 +1,9 @@
-from typing import Generic, TypeVar
+from typing import Generic, TypeVar, Type
 
 from sqlalchemy.ext.asyncio import AsyncSession
 
 EntityType = TypeVar("EntityType")
+CreateType = TypeVar("CreateType")
 
 
 class RepBaseMixin(Generic[EntityType]):
@@ -18,8 +19,20 @@ class RepDeleteMixin(RepBaseMixin[EntityType]):
 
         if not hasattr(obj, "is_deleted"):
             raise AttributeError(
-                f"{obj.__class__.__name__} does not support soft delete (missing `is_deleted` field)"
+                f"{obj.__class__.__name__} does not support soft delete (missing is_deleted field)"
             )
         obj.is_deleted = True
         self.session.add(obj)
         await self.session.commit()
+
+
+class RepCreateMixin(Generic[EntityType, CreateType]):
+    session: AsyncSession
+    entity_class: Type[EntityType]
+
+    async def create(self, data: CreateType) -> int:
+        obj = self.entity_class(**data.model_dump())
+        self.session.add(obj)
+        await self.session.commit()
+        await self.session.refresh(obj)
+        return obj.id