refactor: repository delete mixin

repositories/board.py

@@ -1,4 +1,3 @@
-from datetime import datetime, timezone
 from typing import Optional
 
 from sqlalchemy import select
@@ -6,10 +5,11 @@ from sqlalchemy.orm import selectinload
 
 from models import Board
 from repositories.base import BaseRepository
+from repositories.mixins import RepDeleteMixin
 from schemas.board import UpdateBoardSchema, CreateBoardSchema
 
 
-class BoardRepository(BaseRepository):
+class BoardRepository(BaseRepository, RepDeleteMixin[Board]):
     async def get_all(self, project_id: int) -> list[Board]:
         stmt = (
             select(Board)
@@ -43,13 +43,3 @@ class BoardRepository(BaseRepository):
         await self.session.commit()
         await self.session.refresh(board)
         return board
-
-    async def delete(self, board: Board, is_soft: bool):
-        if not is_soft:
-            await self.session.delete(board)
-            await self.session.commit()
-            return
-
-        board.is_deleted = True
-        self.session.add(board)
-        await self.session.commit()