# coding: utf-8
from sqlalchemy import CheckConstraint, Column, Date, DateTime, Float, ForeignKey, Index, String, TIMESTAMP, Text, text
from sqlalchemy.dialects.mysql import BIGINT, INTEGER, MEDIUMTEXT
from sqlalchemy.orm import relationship
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()
metadata = Base.metadata


class HatArticle(Base):
    __tablename__ = 'hat_article'
    __table_args__ = {'comment': '文章'}

    id = Column(BIGINT(20), primary_key=True, comment='ID')
    title = Column(String(300), comment='标题')
    content = Column(MEDIUMTEXT, comment='内容')
    cover_image = Column(String(300), nullable=False, server_default=text("''"), comment='封面图片路径')
    overview = Column(String(300), nullable=False, server_default=text("''"), comment='概述')
    type = Column(String(50), nullable=False, server_default=text("'采编'"), comment='类型：原创、转载、首发、采编')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')


class HatArticleCategory(Base):
    __tablename__ = 'hat_article_category'
    __table_args__ = {'comment': '文章类别表'}

    id = Column(BIGINT(20), primary_key=True, comment='ID')
    category_name = Column(String(64), nullable=False, unique=True, server_default=text("''"), comment='类别名称')
    parent_id = Column(BIGINT(20), nullable=False, server_default=text("0"), comment='父类别ID（默认为0）')
    description = Column(String(500), nullable=False, server_default=text("''"), comment='类别描述')
    sort_order = Column(INTEGER(11), nullable=False, server_default=text("1"), comment='排序值')
    status = Column(INTEGER(11), nullable=False, index=True, server_default=text("0"), comment='状态（默认0，锁定1）')
    created_at = Column(TIMESTAMP, nullable=False, server_default=text("current_timestamp()"))
    created_by = Column(String(64), nullable=False, server_default=text("'API'"))
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"))
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"))


class HatClass(Base):
    __tablename__ = 'hat_classes'
    __table_args__ = {'comment': '班级表'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    name = Column(String(100), nullable=False, comment='班级名称')
    year = Column(String(100), nullable=False, comment='班级年份')
    adviser = Column(String(255), nullable=False, comment='辅导员')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')


class HatClassroom(Base):
    __tablename__ = 'hat_classroom'
    __table_args__ = {'comment': '教室'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    name = Column(String(50), nullable=False, comment='教室名称')
    total = Column(INTEGER(10), nullable=False, server_default=text("60"), comment='容纳人数')
    description = Column(String(500), comment='描述')


class HatCourse(Base):
    __tablename__ = 'hat_course'
    __table_args__ = {'comment': '课程表，在专业教学计划表，学分对接表中关联'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    name = Column(String(255), nullable=False, unique=True, comment='课程名称')
    name_en = Column(String(255), comment='英文名称')
    code = Column(String(50), nullable=False, comment='课程代码')
    material = Column(String(1000), comment='所选教材')
    description = Column(Text, comment='课程描述')
    category = Column(String(50), nullable=False, comment='授课方（中方课程或外方课程）')
    status = Column(INTEGER(20), nullable=False, server_default=text("10"), comment='当前状态')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')


class HatCourseSchedule(Base):
    __tablename__ = 'hat_course_schedule'
    __table_args__ = {'comment': '课表'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    academic_year = Column(String(32), nullable=False, comment='学年')
    semester = Column(String(64), nullable=False, comment='上课学期')
    status = Column(INTEGER(20), nullable=False, server_default=text("10"), comment='状态')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')


class HatEnrollStudent(Base):
    __tablename__ = 'hat_enroll_student'
    __table_args__ = (
        Index('hat_enroll_student_id_card_number_phone_un', 'id_card_number', 'phone', unique=True),
        {'comment': '学生报名信息表'}
    )

    id = Column(BIGINT(20), primary_key=True, comment='ID')
    student_number = Column(String(50), nullable=False, index=True, comment='学号')
    name = Column(String(128), nullable=False, index=True, comment='姓名')
    gender = Column(String(10), nullable=False, comment='性别')
    native_place = Column(String(50), comment='籍贯')
    id_card_number = Column(String(50), nullable=False, comment='身份证')
    province = Column(String(128), nullable=False, index=True, comment='省')
    city = Column(String(128), comment='市')
    date_of_birth = Column(Date, comment='出生年月')
    politics_status = Column(String(50), comment='政治面貌')
    nation = Column(String(128), comment='民族')
    house_address = Column(String(255), nullable=False, comment='家庭地址')
    post_code = Column(String(10), nullable=False, comment='邮政编码')
    phone = Column(String(50), nullable=False, comment='学生手机')
    educational_level = Column(String(128), comment='文化程度')
    school_of_graduation = Column(String(128), index=True, comment='毕业学校')
    graduate_date = Column(Date, comment='毕业日期')
    awards = Column(String(128), comment='奖励')
    hobby = Column(String(128), comment='爱好特长')
    cee_id = Column(String(50), comment='准考证号')
    cee_scores = Column(String(50), comment='高考总分')
    cee_english = Column(String(50), comment='英语成绩')
    cee_chinese = Column(String(50), comment='语文成绩')
    cee_math = Column(String(50), comment='数学成绩')
    cee_type = Column(String(50), comment='高考科类')
    ielts = Column(String(50), comment='雅思成绩')
    no_cee_reasons = Column(String(128), comment='不参加高考原因')
    major = Column(String(128), comment='首选专业')
    major2 = Column(String(128), comment='次选专业')
    major3 = Column(String(128), comment='再选专业')
    accommodation = Column(String(10), comment='是否住宿')
    allocate = Column(String(50), comment='服从调配')
    abroad = Column(String(50), comment='出国留学')
    parent_name1 = Column(String(128), nullable=False, comment='家长姓名')
    parent_phone1 = Column(String(50), nullable=False, comment='电话')
    relation1 = Column(String(10), comment='关系')
    parent_name2 = Column(String(128), comment='家长姓名')
    parent_phone2 = Column(String(50), comment='电话')
    relation2 = Column(String(10), comment='关系')
    information_source = Column(String(128), comment='信息来源')
    referrer = Column(String(128), comment='推荐人')
    admission_major = Column(String(128), comment='录取专业')
    admission_at = Column(DateTime, comment='录取时间')
    intensive_training = Column(String(50), comment='强化训练')
    status = Column(INTEGER(20), nullable=False, server_default=text("10"), comment='当前状态')
    remark = Column(String(255), comment='备注')
    created_at = Column(DateTime, nullable=False, comment='创建时间')


class HatMajor(Base):
    __tablename__ = 'hat_major'
    __table_args__ = {'comment': '专业'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    name = Column(String(255), nullable=False, unique=True, comment='专业名称')
    name_en = Column(String(255), comment='英文名称')
    code = Column(String(255), nullable=False, comment='专业代码')
    description = Column(Text, comment='介绍')
    discipline = Column(String(255), nullable=False, comment='学科门类')
    status = Column(INTEGER(20), nullable=False, server_default=text("10"), comment='当前状态')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')


class HatPerson(Base):
    __tablename__ = 'hat_person'
    __table_args__ = (
        Index('hat_person_name_cer_idx', 'name', 'cer_no', 'cer_type_name'),
        {'comment': '企业人员'}
    )

    id = Column(BIGINT(20), primary_key=True, comment='ID')
    name = Column(String(100), nullable=False, server_default=text("''"), comment='姓名')
    sex = Column(String(1), nullable=False, server_default=text("''"), comment='性别')
    cer_type_name = Column(String(100), nullable=False, server_default=text("''"), comment='身份证件类型')
    cer_no = Column(String(40), nullable=False, server_default=text("''"), comment='证件号')
    tel = Column(String(110), nullable=False, server_default=text("''"), comment='联系电话')
    school = Column(String(200), nullable=False, server_default=text("''"), comment='毕业院校')
    edu_bac = Column(String(20), nullable=False, server_default=text("''"), comment='文化程度')
    major = Column(String(30), nullable=False, server_default=text("''"), comment='所学专业')
    lite_deg = Column(String(2), nullable=False, server_default=text("''"), comment='文化程度')
    edu_bac_code = Column(String(30), nullable=False, server_default=text("''"), comment='学历')
    title = Column(String(40), nullable=False, server_default=text("''"), comment='职称')
    com_addr = Column(String(512), nullable=False, server_default=text("''"), comment='通信地址')
    postal_code = Column(String(6), nullable=False, server_default=text("''"), comment='邮编编码')
    email = Column(String(100), nullable=False, server_default=text("''"), comment='电子邮箱')
    status = Column(String(64), nullable=False, server_default=text("''"), comment='状态')
    avatar = Column(String(300), server_default=text("''"), comment='头像')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')


class HatStudent(Base):
    __tablename__ = 'hat_student'
    __table_args__ = {'comment': '学生信息表'}

    id = Column(BIGINT(20), primary_key=True, comment='ID')
    student_number = Column(String(50), nullable=False, comment='学号')
    name = Column(String(128), nullable=False, comment='姓名')
    gender = Column(String(10), nullable=False, comment='性别')
    native_place = Column(String(50), comment='籍贯')
    id_card_number = Column(String(50), nullable=False, comment='身份证')
    province = Column(String(128), nullable=False, comment='省')
    city = Column(String(128), comment='市')
    date_of_birth = Column(Date, comment='出生年月')
    politics_status = Column(String(50), comment='政治面貌')
    nation = Column(String(128), comment='民族')
    house_address = Column(String(255), nullable=False, comment='家庭地址')
    post_code = Column(String(10), nullable=False, comment='邮政编码')
    phone = Column(String(50), nullable=False, comment='学生手机')
    educational_level = Column(String(128), comment='文化程度')
    school_of_graduation = Column(String(128), comment='毕业学校')
    graduate_time = Column(Date, comment='毕业时间')
    awards = Column(String(128), comment='奖励')
    hobby = Column(String(128), comment='爱好特长')
    cee_id = Column(String(50), comment='准考证号')
    cee_scores = Column(String(50), comment='高考总分')
    cee_english = Column(String(50), comment='英语成绩')
    cee_chinese = Column(String(50), comment='语文成绩')
    cee_math = Column(String(50), comment='数学成绩')
    cee_type = Column(String(50), comment='高考科类')
    ielts = Column(String(50), comment='雅思成绩')
    major = Column(String(128), comment='专业')
    allocate = Column(String(50), comment='服从调配')
    abroad = Column(String(50), comment='出国留学')
    parent_name1 = Column(String(128), nullable=False, comment='家长姓名')
    parent_phone1 = Column(String(50), nullable=False, comment='电话')
    relation1 = Column(String(10), comment='关系')
    parent_name2 = Column(String(128), comment='家长姓名')
    parent_phone2 = Column(String(50), comment='电话')
    relation2 = Column(String(10), comment='关系')
    intensive_training = Column(String(50), comment='强化训练')
    status = Column(INTEGER(20), nullable=False, server_default=text("10"), comment='当前状态')
    created_at = Column(DateTime, nullable=False, comment='创建时间')


class HatUser(Base):
    __tablename__ = 'hat_user'
    __table_args__ = {'comment': '用户'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    username = Column(String(255), nullable=False, unique=True, comment='用户名')
    password_hash = Column(String(255), nullable=False, comment='密码')
    password_reset_token = Column(String(255), comment='重置标记')
    auth_key = Column(String(255), comment='授权码')
    status = Column(INTEGER(11), nullable=False, server_default=text("0"), comment='用户状态')
    type = Column(String(64), nullable=False, server_default=text("'user'"), comment='用户类型')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='更新时间')


class HatArticlePublish(Base):
    __tablename__ = 'hat_article_publish'
    __table_args__ = (
        Index('hat_article_publish_un', 'article_id', 'category_id', unique=True),
        {'comment': '文章发布表'}
    )

    id = Column(BIGINT(20), primary_key=True, comment='ID')
    article_id = Column(ForeignKey('hat_article.id', ondelete='CASCADE'), nullable=False, comment='文章ID')
    category_id = Column(ForeignKey('hat_article_category.id', ondelete='CASCADE'), nullable=False, index=True, comment='文章类别ID')
    sort_order = Column(INTEGER(11), nullable=False, index=True, server_default=text("0"), comment='排序')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')

    article = relationship('HatArticle')
    category = relationship('HatArticleCategory')


class HatClassesStudent(Base):
    __tablename__ = 'hat_classes_student'
    __table_args__ = (
        Index('classes_id_student_id_un', 'class_id', 'student_id', unique=True),
        {'comment': '班级学生关系表'}
    )

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    class_id = Column(ForeignKey('hat_classes.id', ondelete='CASCADE'), nullable=False, comment='班级编号')
    student_id = Column(ForeignKey('hat_student.id', ondelete='CASCADE'), nullable=False, index=True, comment='学生编号')
    created_at = Column(DateTime, nullable=False, comment='创建时间')
    updated_at = Column(DateTime, nullable=False, comment='更新时间')

    _class = relationship('HatClass')
    student = relationship('HatStudent')


class HatCourseScheduleDetail(Base):
    __tablename__ = 'hat_course_schedule_detail'
    __table_args__ = {'comment': '课表明细'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    schedule_id = Column(ForeignKey('hat_course_schedule.id', ondelete='CASCADE'), nullable=False, index=True, comment='课表')
    course_id = Column(ForeignKey('hat_course.id'), nullable=False, index=True, comment='课程')
    classroom_id = Column(ForeignKey('hat_classroom.id'), nullable=False, index=True, comment='教室')
    teacher = Column(String(255), nullable=False, comment='任课老师')
    week_day = Column(INTEGER(20), nullable=False, comment='上课日期，0~1为周日~周六')
    sequence = Column(INTEGER(20), nullable=False, comment='序号，从1开始，代表是一天中的第几节课')

    classroom = relationship('HatClassroom')
    course = relationship('HatCourse')
    schedule = relationship('HatCourseSchedule')


class HatExamPaper(Base):
    __tablename__ = 'hat_exam_paper'
    __table_args__ = {'comment': '考卷'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    name = Column(String(255), nullable=False, comment='考卷名称')
    course_id = Column(ForeignKey('hat_course.id'), nullable=False, index=True, comment='考试课程')
    score = Column(Float(asdecimal=True), server_default=text("0"), comment='分值')
    status = Column(INTEGER(20), nullable=False, server_default=text("10"), comment='当前状态')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')

    course = relationship('HatCourse')


class HatExamination(Base):
    __tablename__ = 'hat_examination'
    __table_args__ = {'comment': '考务表'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    course_id = Column(ForeignKey('hat_course.id'), nullable=False, index=True, comment='考试课程')
    academic_year = Column(String(200), nullable=False, comment='学年')
    semester = Column(String(200), nullable=False, comment='学期')
    exam_time = Column(DateTime, nullable=False, comment='考试时间')
    classroom_id = Column(ForeignKey('hat_classroom.id'), index=True, comment='考场教室')
    exam_paper_id = Column(BIGINT(20), comment='考卷')
    exam_format = Column(String(50), nullable=False, comment='考试形式，线下、线上')
    exam_method = Column(String(50), nullable=False, comment='考试方式，开卷、闭卷')
    exam_type = Column(String(50), nullable=False, comment='考试性质，入学、期中、期末、补考、重修')
    time_length = Column(INTEGER(20), server_default=text("60"), comment='考试时长')
    chief_examiner = Column(String(50), nullable=False, comment='主考老师')
    invigilator = Column(String(50), comment='监考老师')
    status = Column(INTEGER(20), nullable=False, server_default=text("10"), comment='当前状态')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')

    classroom = relationship('HatClassroom')
    course = relationship('HatCourse')


class HatQuestionMaterial(Base):
    __tablename__ = 'hat_question_material'
    __table_args__ = {'comment': '考题素材（考题用到的素材，目前仅支持文字素材，可增加附件用于增加其他素材，如图片、声音等）'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    title = Column(String(255), nullable=False, comment='标题')
    content = Column(Text, nullable=False, comment='文章内容')
    course_id = Column(ForeignKey('hat_course.id'), nullable=False, index=True, comment='课程')
    status = Column(INTEGER(20), nullable=False, server_default=text("10"), comment='当前状态')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')

    course = relationship('HatCourse')


class HatStudentPortrait(Base):
    __tablename__ = 'hat_student_portrait'
    __table_args__ = {'comment': '学生头像'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    student_id = Column(ForeignKey('hat_student.id', ondelete='CASCADE'), nullable=False, unique=True, comment='考生')
    portrait = Column(String(500), nullable=False, comment='头像')
    created_at = Column(DateTime, nullable=False, comment='创建时间')
    updated_at = Column(DateTime, nullable=False, comment='更新时间')

    student = relationship('HatStudent')


class HatStudentUnusual(Base):
    __tablename__ = 'hat_student_unusual'
    __table_args__ = {'comment': '学生异动'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    student_id = Column(ForeignKey('hat_student.id'), nullable=False, index=True, comment='考生')
    type = Column(String(100), nullable=False, comment='异动类型')
    memo = Column(String(1024), comment='备注')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')

    student = relationship('HatStudent')


class HatUserPerson(Base):
    __tablename__ = 'hat_user_person'
    __table_args__ = {'comment': '用户人员'}

    id = Column(BIGINT(20), primary_key=True, comment='ID')
    user_id = Column(ForeignKey('hat_user.id'), nullable=False, unique=True, comment='用户ID')
    person_id = Column(ForeignKey('hat_person.id', ondelete='CASCADE', onupdate='CASCADE'), nullable=False, index=True, comment='人员ID')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='更新时间')

    person = relationship('HatPerson')
    user = relationship('HatUser')


class HatEnrollStudentExam(Base):
    __tablename__ = 'hat_enroll_student_exam'
    __table_args__ = (
        Index('hat_enroll_student_exam_un', 'examination_id', 'student_id', unique=True),
        {'comment': '参加入学考试的学生'}
    )

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    examination_id = Column(ForeignKey('hat_examination.id'), nullable=False, comment='考务编号')
    student_id = Column(ForeignKey('hat_enroll_student.id'), nullable=False, index=True, comment='考生')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')

    examination = relationship('HatExamination')
    student = relationship('HatEnrollStudent')


class HatEnrollStudentScore(Base):
    __tablename__ = 'hat_enroll_student_score'
    __table_args__ = (
        CheckConstraint('json_valid(`answer`)'),
        CheckConstraint('json_valid(`question_score`)'),
        Index('hat_enroll_student_score_un', 'examination_id', 'student_id', unique=True),
        {'comment': '入学考试成绩'}
    )

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    examination_id = Column(ForeignKey('hat_examination.id'), nullable=False, comment='考务安排')
    student_id = Column(ForeignKey('hat_enroll_student.id'), nullable=False, index=True, comment='考生')
    started_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='考试开始时间')
    submit_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='交卷时间')
    submit_method = Column(String(16), nullable=False, server_default=text("'N'"), comment='交卷方式')
    answer = Column(Text, nullable=False, comment='答案（JSON数据）')
    question_score = Column(Text, comment='各题得分')
    test_score = Column(String(100), nullable=False, comment='考试成绩')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='更新时间')

    examination = relationship('HatExamination')
    student = relationship('HatEnrollStudent')


class HatQuestion(Base):
    __tablename__ = 'hat_question'
    __table_args__ = {'comment': '考题（可关联到素材表，对关联到同一素材的所有考题，按照时间先后排序）'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    question = Column(String(1800), nullable=False, comment='提问')
    options = Column(String(1800), comment='选项（json）')
    answer = Column(String(1800), nullable=False, comment='答案（json）')
    category = Column(String(50), nullable=False, comment='题型（判断题、单项选择题、多项选择题、不定项选择题、填空题、完形填空、阅读理解、简答题、论述题、作文）')
    course_id = Column(ForeignKey('hat_course.id'), nullable=False, index=True, comment='课程')
    material_id = Column(ForeignKey('hat_question_material.id'), index=True, comment='素材')
    score = Column(Float(asdecimal=True), server_default=text("0"), comment='分值')
    difficulty = Column(Float(asdecimal=True), server_default=text("1"), comment='难度系数')
    status = Column(INTEGER(20), nullable=False, server_default=text("10"), comment='当前状态')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')

    course = relationship('HatCourse')
    material = relationship('HatQuestionMaterial')


class HatStudentAttendance(Base):
    __tablename__ = 'hat_student_attendance'
    __table_args__ = {'comment': '学生考勤'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    student_id = Column(ForeignKey('hat_student.id'), nullable=False, index=True, comment='考生')
    schedule_detail_id = Column(ForeignKey('hat_course_schedule_detail.id'), nullable=False, index=True, comment='课表明细编号')
    sequence = Column(INTEGER(20), nullable=False, comment='序号')
    time_at = Column(DateTime, nullable=False, comment='考勤时间')
    type = Column(String(100), nullable=False, comment='考勤类型')
    memo = Column(String(1024), comment='备注')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')

    schedule_detail = relationship('HatCourseScheduleDetail')
    student = relationship('HatStudent')


class HatStudentExam(Base):
    __tablename__ = 'hat_student_exam'
    __table_args__ = (
        Index('hat_student_exam_un', 'examination_id', 'student_id', unique=True),
        {'comment': '参加考试的学生'}
    )

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    examination_id = Column(ForeignKey('hat_examination.id', ondelete='CASCADE'), nullable=False, comment='考务编号')
    student_id = Column(ForeignKey('hat_student.id', ondelete='CASCADE'), nullable=False, index=True, comment='考生')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    created_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='创建者')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='修改时间')
    updated_by = Column(String(64), nullable=False, server_default=text("'API'"), comment='修改者')

    examination = relationship('HatExamination')
    student = relationship('HatStudent')


class HatStudentScore(Base):
    __tablename__ = 'hat_student_score'
    __table_args__ = (
        CheckConstraint('json_valid(`answer`)'),
        CheckConstraint('json_valid(`question_score`)'),
        Index('hat_student_score_un', 'examination_id', 'student_id', unique=True),
        {'comment': '考试成绩'}
    )

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    examination_id = Column(ForeignKey('hat_examination.id'), nullable=False, comment='考务安排')
    student_id = Column(ForeignKey('hat_student.id'), nullable=False, index=True, comment='考生')
    started_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='考试开始时间')
    submit_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='交卷时间')
    submit_method = Column(String(16), nullable=False, server_default=text("'N'"), comment='交卷方式')
    answer = Column(Text, nullable=False, comment='答案（JSON数据）')
    question_score = Column(Text, comment='各题得分')
    test_score = Column(String(100), nullable=False, comment='考试成绩')
    created_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='创建时间')
    updated_at = Column(DateTime, nullable=False, server_default=text("current_timestamp()"), comment='更新时间')

    examination = relationship('HatExamination')
    student = relationship('HatStudent')


class HatStudentUnusualAttachment(Base):
    __tablename__ = 'hat_student_unusual_attachment'
    __table_args__ = {'comment': '学生异动附件'}

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    unusual_id = Column(ForeignKey('hat_student_unusual.id', ondelete='CASCADE', onupdate='CASCADE'), nullable=False, index=True, comment='异动编号')
    name = Column(String(255), nullable=False, comment='附件名称')
    created_at = Column(DateTime, nullable=False, comment='创建时间')
    updated_at = Column(DateTime, nullable=False, comment='更新时间')

    unusual = relationship('HatStudentUnusual')


class HatExamPaperQuestion(Base):
    __tablename__ = 'hat_exam_paper_question'
    __table_args__ = (
        Index('hat_exam_paper_question_un', 'exam_paper_id', 'question_id', unique=True),
        {'comment': '考卷考题'}
    )

    id = Column(BIGINT(20), primary_key=True, comment='系统编号')
    exam_paper_id = Column(ForeignKey('hat_exam_paper.id', ondelete='CASCADE', onupdate='CASCADE'), nullable=False, comment='考卷')
    question_id = Column(ForeignKey('hat_question.id'), nullable=False, index=True, comment='考题')
    sort = Column(INTEGER(20), nullable=False, server_default=text("0"), comment='排序')

    exam_paper = relationship('HatExamPaper')
    question = relationship('HatQuestion')