68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
"""
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通用响应模型
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"""
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from typing import Generic, TypeVar, List
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from pydantic import BaseModel, Field
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from enum import Enum
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# 定义泛型类型变量
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T = TypeVar('T')
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# 定义一个将 snake_case 转换为 camelCase 的函数
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def to_camel(string: str) -> str:
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"""将 snake_case 字符串转换为 camelCase"""
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components = string.split('_')
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# 首字母小写,其余单词首字母大写
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return components[0] + ''.join(x.title() for x in components[1:])
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class BaseResponseModel(BaseModel):
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"""基础响应模型,启用别名生成器"""
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class Config:
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populate_by_name = True
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alias_generator = to_camel
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class StandardResponse(BaseResponseModel, Generic[T]):
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"""
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标准API响应格式
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所有API端点(包括错误响应)都应返回此格式
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"""
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code: str = Field(..., description="业务状态码(字符串)。成功使用 '0',错误使用 '{module}.{sequence}' 格式(如 'rag.001')")
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message: str = Field(..., description="响应消息")
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data: T = Field(default=None, description="响应数据")
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class Config:
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populate_by_name = True
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alias_generator = to_camel
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class ResponseCode(str, Enum):
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"""通用响应码枚举"""
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# 成功响应
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SUCCESS = "0" # 操作成功
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# 通用错误
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BAD_REQUEST = "common.400" # 错误的请求
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UNAUTHORIZED = "common.401" # 未授权
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FORBIDDEN = "common.403" # 禁止访问
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NOT_FOUND = "common.404" # 资源未找到
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VALIDATION_ERROR = "common.422" # 验证错误
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INTERNAL_ERROR = "common.500" # 服务器内部错误
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SERVICE_UNAVAILABLE = "common.503" # 服务不可用
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class PaginatedData(BaseResponseModel, Generic[T]):
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"""分页数据容器"""
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page: int = Field(..., description="当前页码(从1开始)")
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size: int = Field(..., description="页大小")
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total_elements: int = Field(..., description="总条数")
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total_pages: int = Field(..., description="总页数")
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content: List[T] = Field(..., description="当前页数据")
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class TaskStatus(Enum):
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PENDING = "PENDING"
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RUNNING = "RUNNING"
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COMPLETED = "COMPLETED"
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FAILED = "FAILED"
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