from sqlalchemy import Column, Integer, String, ForeignKey from sqlalchemy.orm import relationship from app.infrastructure.database.models import Base class TaskFile(Base): __tablename__ = 'task_files' id = Column(Integer, primary_key=True, autoincrement=True) file_path = Column(String, nullable=False) file_title = Column(String, nullable=False) task_id = Column(Integer, ForeignKey('step_tasks.id'), nullable=False) task = relationship('StepTask', back_populates='files')