feat: mixins

models/board.py

@@ -1,37 +1,24 @@
-from datetime import datetime
 from typing import TYPE_CHECKING
 
 from sqlalchemy import ForeignKey
 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 Project, Status, Deal
 
 
-class Board(BaseModel):
+class Board(BaseModel, IdMixin, SoftDeleteMixin, CreatedAtMixin):
     __tablename__ = "boards"
 
-    id: Mapped[int] = mapped_column(primary_key=True)
     name: Mapped[str] = mapped_column(nullable=False)
     lexorank: Mapped[str] = mapped_column(nullable=False)
 
-    created_at: Mapped[datetime] = mapped_column(nullable=False)
-    is_deleted: Mapped[bool] = mapped_column(default=False)
-
     project_id: Mapped[int] = mapped_column(ForeignKey("projects.id"), nullable=False)
-    project: Mapped["Project"] = relationship(
+    project: Mapped["Project"] = relationship(back_populates="boards")
-        "Project",
-        back_populates="boards",
-    )
 
-    statuses: Mapped[list["Status"]] = relationship(
+    statuses: Mapped[list["Status"]] = relationship(back_populates="board")
-        "Status",
-        back_populates="board",
-    )
 
-    deals: Mapped[list["Deal"]] = relationship(
+    deals: Mapped[list["Deal"]] = relationship(back_populates="board")
-        "Deal",
-        back_populates="board",
-    )

models/deal.py

@@ -4,15 +4,15 @@ from sqlalchemy import ForeignKey
 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 Status, Board
 
 
-class Deal(BaseModel):
+class Deal(BaseModel, IdMixin, SoftDeleteMixin, CreatedAtMixin):
     __tablename__ = "deals"
 
-    id: Mapped[int] = mapped_column(primary_key=True)
     name: Mapped[str] = mapped_column(nullable=False)
     lexorank: Mapped[str] = mapped_column(nullable=False)
 
@@ -21,14 +21,9 @@ class Deal(BaseModel):
         nullable=False,
         comment="Текущий статус",
     )
-    status: Mapped["Status"] = relationship(lazy="selectin")
+    status: Mapped["Status"] = relationship(lazy="noload")
-
-    is_deleted: Mapped[bool] = mapped_column(default=False)
 
     board_id: Mapped[int] = mapped_column(
         ForeignKey("boards.id"), nullable=True, server_default="1"
     )
-    board: Mapped["Board"] = relationship(
+    board: Mapped["Board"] = relationship(back_populates="deals")
-        "Board",
-        back_populates="deals",
-    )

models/mixins.py

@@ -0,0 +1,18 @@
+from datetime import datetime
+
+from sqlalchemy.orm import Mapped, mapped_column
+
+
+class IdMixin:
+    id: Mapped[int] = mapped_column(primary_key=True)
+
+
+class SoftDeleteMixin:
+    is_deleted: Mapped[bool] = mapped_column(
+        default=False,
+        nullable=False,
+    )
+
+
+class CreatedAtMixin:
+    created_at: Mapped[datetime] = mapped_column(nullable=False)

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",
     )

models/status.py

@@ -3,22 +3,18 @@ from typing import TYPE_CHECKING
 from sqlalchemy import ForeignKey
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
-from models import BaseModel
+from models.base import BaseModel
+from models.mixins import SoftDeleteMixin, IdMixin
 
 if TYPE_CHECKING:
     from models import Board
 
 
-class Status(BaseModel):
+class Status(BaseModel, IdMixin, SoftDeleteMixin):
     __tablename__ = "statuses"
 
-    id: Mapped[int] = mapped_column(primary_key=True)
     name: Mapped[str] = mapped_column(nullable=False)
     lexorank: Mapped[str] = mapped_column(nullable=False)
-    is_deleted: Mapped[bool] = mapped_column(default=False, nullable=False)
 
     board_id: Mapped[int] = mapped_column(ForeignKey("boards.id"), nullable=False)
-    board: Mapped["Board"] = relationship(
+    board: Mapped["Board"] = relationship(back_populates="statuses")
-        "Board",
-        back_populates="statuses",
-    )