Build lightweight AI agent admin

backend-fastapi/app/base_model.py

@@ -0,0 +1,29 @@
+from datetime import datetime
+
+from nanoid import generate
+from sqlalchemy import Column, String, DateTime, Boolean, Integer
+from sqlalchemy.sql import func
+
+from app.database import Base
+
+
+def generate_nanoid() -> str:
+    """生成21位的NanoId"""
+    return generate(size=21)
+
+
+class BaseModel(Base):
+    """
+    公共基础模型
+    所有业务模型都应继承此类
+    """
+    __abstract__ = True
+
+    id = Column(String(21), primary_key=True, default=generate_nanoid, comment="主键ID(NanoId)")
+    sort = Column(Integer, default=0, comment="排序")
+    is_deleted = Column(Boolean, default=False, index=True, comment="是否删除")
+    sys_create_datetime = Column(DateTime, server_default=func.now(), index=True, comment="创建时间")
+    sys_update_datetime = Column(DateTime, server_default=func.now(), onupdate=func.now(), index=True, comment="更新时间")
+    sys_creator_id = Column(String(21), nullable=True, index=True, comment="创建人ID（逻辑外键关联core_user）")
+    sys_modifier_id = Column(String(21), nullable=True, comment="修改人ID（逻辑外键关联core_user）")
+    sys_dept_id = Column(String(21), nullable=True, index=True, comment="部门ID（逻辑外键关联core_dept）")