feat: mixins

models/project.py

@@ -1,24 +1,20 @@
-from datetime import datetime
 from typing import TYPE_CHECKING
 
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from models.base import BaseModel
+from models.mixins import SoftDeleteMixin, CreatedAtMixin, IdMixin
 
 if TYPE_CHECKING:
     from models import Board
 
 
-class Project(BaseModel):
+class Project(BaseModel, IdMixin, SoftDeleteMixin, CreatedAtMixin):
     __tablename__ = "projects"
 
-    id: Mapped[int] = mapped_column(primary_key=True)
     name: Mapped[str] = mapped_column(nullable=False)
-    created_at: Mapped[datetime] = mapped_column(nullable=False)
-    is_deleted: Mapped[bool] = mapped_column(default=False)
 
     boards: Mapped[list["Board"]] = relationship(
-        "Board",
         back_populates="project",
         lazy="noload",
     )