feat: deal status history and default created_at in db

models/status.py

@@ -4,10 +4,10 @@ from sqlalchemy import ForeignKey
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from models.base import BaseModel
-from models.mixins import SoftDeleteMixin, IdMixin
+from models.mixins import SoftDeleteMixin, IdMixin, CreatedAtMixin
 
 if TYPE_CHECKING:
-    from models import Board
+    from models import Board, Deal
 
 
 class Status(BaseModel, IdMixin, SoftDeleteMixin):
@@ -18,3 +18,30 @@ class Status(BaseModel, IdMixin, SoftDeleteMixin):
 
     board_id: Mapped[int] = mapped_column(ForeignKey("boards.id"), nullable=False)
     board: Mapped["Board"] = relationship(back_populates="statuses")
+
+
+class CardStatusHistory(BaseModel, IdMixin, CreatedAtMixin):
+    __tablename__ = "status_history"
+
+    deal_id: Mapped[int] = mapped_column(ForeignKey("deals.id"), nullable=False)
+    deal: Mapped["Deal"] = relationship(back_populates="status_history")
+
+    from_status_id: Mapped[int] = mapped_column(
+        ForeignKey("statuses.id"),
+        nullable=False,
+        comment="Старый статус",
+    )
+    from_status: Mapped[Status] = relationship(
+        foreign_keys=[from_status_id],
+        lazy="joined",
+    )
+
+    to_status_id: Mapped[int] = mapped_column(
+        ForeignKey("statuses.id"),
+        nullable=False,
+        comment="Новый статус",
+    )
+    to_status: Mapped[Status] = relationship(
+        foreign_keys=[to_status_id],
+        lazy="joined",
+    )