Fix API compatibility and add user/role/permission and asset import/export

backend_new/app/models/notification.py

@@ -0,0 +1,71 @@
+"""
+消息通知数据模型
+"""
+from datetime import datetime
+from sqlalchemy import Column, BigInteger, String, Text, Integer, DateTime, Boolean, Index, ForeignKey
+from sqlalchemy.dialects.postgresql import JSONB
+from sqlalchemy.orm import relationship
+from app.db.base import Base
+
+
+class Notification(Base):
+    """消息通知表"""
+
+    __tablename__ = "notifications"
+
+    id = Column(BigInteger, primary_key=True, index=True)
+    recipient_id = Column(BigInteger, ForeignKey("users.id"), nullable=False, index=True, comment="接收人ID")
+    recipient_name = Column(String(100), nullable=False, comment="接收人姓名(冗余)")
+    title = Column(String(200), nullable=False, comment="通知标题")
+    content = Column(Text, nullable=False, comment="通知内容")
+    notification_type = Column(String(20), nullable=False, index=True, comment="通知类型: system/approval/maintenance/allocation等")
+    priority = Column(String(20), default="normal", nullable=False, comment="优先级: low/normal/high/urgent")
+    is_read = Column(Boolean, default=False, nullable=False, index=True, comment="是否已读")
+    read_at = Column(DateTime, nullable=True, comment="已读时间")
+    related_entity_type = Column(String(50), nullable=True, comment="关联实体类型")
+    related_entity_id = Column(BigInteger, nullable=True, comment="关联实体ID")
+    action_url = Column(String(500), nullable=True, comment="操作链接")
+    extra_data = Column(JSONB, nullable=True, comment="额外数据")
+    sent_via_email = Column(Boolean, default=False, nullable=False, comment="是否已发送邮件")
+    sent_via_sms = Column(Boolean, default=False, nullable=False, comment="是否已发送短信")
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False, index=True, comment="创建时间")
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False, comment="更新时间")
+    expire_at = Column(DateTime, nullable=True, comment="过期时间")
+
+    # 关系
+    recipient = relationship("User", foreign_keys=[recipient_id])
+
+    # 索引
+    __table_args__ = (
+        Index("idx_notification_recipient", "recipient_id"),
+        Index("idx_notification_read", "is_read"),
+        Index("idx_notification_type", "notification_type"),
+        Index("idx_notification_time", "created_at"),
+    )
+
+    def __repr__(self):
+        return f"<Notification(id={self.id}, recipient={self.recipient_name}, title={self.title})>"
+
+
+class NotificationTemplate(Base):
+    """消息通知模板表"""
+
+    __tablename__ = "notification_templates"
+
+    id = Column(BigInteger, primary_key=True, index=True)
+    template_code = Column(String(50), unique=True, nullable=False, comment="模板编码")
+    template_name = Column(String(200), nullable=False, comment="模板名称")
+    notification_type = Column(String(20), nullable=False, comment="通知类型")
+    title_template = Column(String(200), nullable=False, comment="标题模板")
+    content_template = Column(Text, nullable=False, comment="内容模板")
+    variables = Column(JSONB, nullable=True, comment="变量说明")
+    priority = Column(String(20), default="normal", nullable=False, comment="默认优先级")
+    send_email = Column(Boolean, default=False, nullable=False, comment="是否发送邮件")
+    send_sms = Column(Boolean, default=False, nullable=False, comment="是否发送短信")
+    is_active = Column(Boolean, default=True, nullable=False, comment="是否启用")
+    description = Column(Text, nullable=True, comment="模板描述")
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
+
+    def __repr__(self):
+        return f"<NotificationTemplate(id={self.id}, code={self.template_code}, name={self.template_name})>"