from sqlalchemy import Integer, Column, DateTime, String

from util.database import Base


class Class(Base):
    """对应 Excel Sheet：班级表。"""

    __tablename__ = "wl_class"

    id = Column(Integer, primary_key=True, autoincrement=True)
    class_number = Column(String(50))
    name = Column(String(100))
    start_date = Column(DateTime)
    planned_end_date = Column(DateTime)
    actual_end_date = Column(DateTime)
    created_at = Column(DateTime)
    updated_at = Column(DateTime)
    is_deleted = Column(default=False, nullable=False)