from sqlalchemy import Integer, Column, DateTime, Numeric, String

from util.database import Base


class Course(Base):
    """对应 Excel Sheet：课程表。"""

    __tablename__ = "wl_course"

    id = Column(Integer, primary_key=True, autoincrement=True, comment="id")
    course_number = Column(String(50), comment="课程编号")
    name = Column(String(100), comment="课程名字")
    planned_training_hours = Column(Numeric(8, 2), comment="计划培训课时")
    created_at = Column(DateTime, comment="数据创建时间")
    updated_at = Column(DateTime, comment="数据更新时间")
    is_deleted = Column(default=False, nullable=False, comment="逻辑删除字段")