chore(quality): apply ruff autofixes and formatting (8 fixes, 18 files reformatted)

backend/app/models/column.py

@@ -1,19 +1,38 @@
-"""Column model."""
-from sqlalchemy import Column, Integer, String, ForeignKey, DateTime
-from sqlalchemy.orm import relationship
 from datetime import datetime
+from typing import Optional
+
+from sqlalchemy import String, DateTime, Boolean, ForeignKey, Integer, func
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from sqlalchemy import JSON
+
 from app.database import Base
 
+
 class Column(Base):
-    """Column model."""
     __tablename__ = "columns"
 
-    id = Column(Integer, primary_key=True, index=True)
-    name = Column(String(255), nullable=False)
-    field_type = Column(String(50), nullable=False)  # text, number, date, select, etc.
-    table_id = Column(Integer, ForeignKey("tables.id"), nullable=False)
-    position = Column(Integer, default=0)
-    created_at = Column(DateTime, default=datetime.utcnow)
+    id: Mapped[int] = mapped_column(primary_key=True)
+    table_id: Mapped[int] = mapped_column(
+        ForeignKey("tables.id", ondelete="CASCADE"), nullable=False, index=True
+    )
+    name: Mapped[str] = mapped_column(String(255), nullable=False)
+    type: Mapped[str] = mapped_column(
+        String(50), nullable=False
+    )  # text, number, date, select, etc.
+    required: Mapped[bool] = mapped_column(Boolean, default=False)
+    default_value: Mapped[Optional[str]] = mapped_column(String, nullable=True)
+    position: Mapped[int] = mapped_column(Integer, default=0)
+    options: Mapped[Optional[dict]] = mapped_column(
+        JSON, nullable=True
+    )  # For select type: {"options": ["a", "b"]}
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=func.now())
 
+    # Relationships
     table = relationship("Table", back_populates="columns")
-    records = relationship("Record", back_populates="column")
+    cell_values = relationship(
+        "CellValue", back_populates="column", cascade="all, delete-orphan"
+    )
+    attachments = relationship("Attachment", back_populates="column")
+
+    def __repr__(self):
+        return f"<Column(id={self.id}, name={self.name}, type={self.type})>"