77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
"""
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证书系统数据模型
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定义证书模板和用户证书的数据结构
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"""
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from datetime import datetime
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from enum import Enum
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from typing import Optional
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from sqlalchemy import Column, Integer, String, Text, Boolean, DateTime, ForeignKey, Enum as SQLEnum, DECIMAL, JSON
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from sqlalchemy.orm import relationship
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from app.models.base import Base
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class CertificateType(str, Enum):
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"""证书类型枚举"""
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COURSE = "course" # 课程结业证书
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EXAM = "exam" # 考试合格证书
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ACHIEVEMENT = "achievement" # 成就证书
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class CertificateTemplate(Base):
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"""证书模板表"""
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__tablename__ = "certificate_templates"
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id = Column(Integer, primary_key=True, autoincrement=True)
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name = Column(String(100), nullable=False, comment="模板名称")
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type = Column(SQLEnum(CertificateType), nullable=False, comment="证书类型")
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background_url = Column(String(500), comment="证书背景图URL")
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template_html = Column(Text, comment="HTML模板内容")
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template_style = Column(Text, comment="CSS样式")
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is_active = Column(Boolean, default=True, comment="是否启用")
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sort_order = Column(Integer, default=0, comment="排序顺序")
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created_at = Column(DateTime, nullable=False, default=datetime.now)
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updated_at = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now)
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# 关联
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certificates = relationship("UserCertificate", back_populates="template")
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class UserCertificate(Base):
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"""用户证书表"""
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__tablename__ = "user_certificates"
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id = Column(Integer, primary_key=True, autoincrement=True)
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user_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False, comment="用户ID")
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template_id = Column(Integer, ForeignKey("certificate_templates.id"), nullable=False, comment="模板ID")
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certificate_no = Column(String(50), unique=True, nullable=False, comment="证书编号")
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title = Column(String(200), nullable=False, comment="证书标题")
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description = Column(Text, comment="证书描述")
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issued_at = Column(DateTime, default=datetime.now, comment="颁发时间")
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valid_until = Column(DateTime, comment="有效期至")
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# 关联信息
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course_id = Column(Integer, comment="关联课程ID")
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exam_id = Column(Integer, comment="关联考试ID")
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badge_id = Column(Integer, comment="关联奖章ID")
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# 成绩信息
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score = Column(DECIMAL(5, 2), comment="考试分数")
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completion_rate = Column(DECIMAL(5, 2), comment="完成率")
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# 生成的文件
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pdf_url = Column(String(500), comment="PDF文件URL")
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image_url = Column(String(500), comment="分享图片URL")
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# 元数据
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meta_data = Column(JSON, comment="扩展元数据")
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created_at = Column(DateTime, nullable=False, default=datetime.now)
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updated_at = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now)
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# 关联
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template = relationship("CertificateTemplate", back_populates="certificates")
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user = relationship("User", backref="certificates")
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