from pydantic import BaseModel
from typing import Optional
from datetime import datetime
from ..models import LogModel

class LogDto(BaseModel):
    """日志信息DTO"""
    id: Optional[int] = None
    username: str
    operation_type: str
    operation_desc: str
    operation_result: str
    operation_module: str
    operation_data: Optional[str] = None
    data_changes: Optional[str] = None
    operation_ip: str
    created_at: datetime

    @classmethod
    def from_model(cls, model: LogModel) -> 'LogDto':
        """从数据库模型创建DTO对象"""
        return cls(
            id=model.id,
            username=model.username,
            operation_type=model.operation_type,
            operation_desc=model.operation_desc,
            operation_result=model.operation_result,
            operation_module=model.operation_module,
            operation_data=model.operation_data,
            data_changes=model.data_changes,
            operation_ip=model.operation_ip,
            created_at=model.created_at
        )

    def to_dict(self) -> dict:
        """转换为字典格式"""
        return self.model_dump()

    class Config:
        from_attributes = True