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cloudreve/pkg/serializer/error.go

122 lines
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package serializer
import "github.com/gin-gonic/gin"
// Response 基础序列化器
type Response struct {
Code int `json:"code"`
Data interface{} `json:"data,omitempty"`
Msg string `json:"msg"`
Error string `json:"error,omitempty"`
}
// AppError 应用错误实现了error接口
type AppError struct {
Code int
Msg string
RawError error
}
// NewError 返回新的错误对象 todo:测试 还有下面的
func NewError(code int, msg string, err error) AppError {
return AppError{
Code: code,
Msg: msg,
RawError: err,
}
}
// WithError 将应用error携带标准库中的error
func (err *AppError) WithError(raw error) AppError {
err.RawError = raw
return *err
}
// Error 返回业务代码确定的可读错误信息
func (err AppError) Error() string {
return err.Msg
}
// 三位数错误编码为复用http原本含义
// 五位数错误编码为应用自定义错误
// 五开头的五位数错误编码为服务器端错误,比如数据库操作失败
// 四开头的五位数错误编码为客户端错误,有时候是客户端代码写错了,有时候是用户操作错误
const (
// CodeNotFullySuccess 未完全成功
CodeNotFullySuccess = 203
// CodeCheckLogin 未登录
CodeCheckLogin = 401
// CodeNoPermissionErr 未授权访问
CodeNoPermissionErr = 403
// CodeNotFound 资源未找到
CodeNotFound = 404
// CodeUploadFailed 上传出错
CodeUploadFailed = 40002
// CodeCredentialInvalid 凭证无效
CodeCredentialInvalid = 40001
// CodeCreateFolderFailed 目录创建失败
CodeCreateFolderFailed = 40003
// CodeObjectExist 对象已存在
CodeObjectExist = 40004
// CodeSignExpired 签名过期
CodeSignExpired = 40005
// CodePolicyNotAllowed 当前存储策略不允许
CodePolicyNotAllowed = 40006
// CodeGroupNotAllowed 用户组无法进行此操作
CodeGroupNotAllowed = 40007
// CodeAdminRequired 非管理用户组
CodeAdminRequired = 40008
// CodeDBError 数据库操作失败
CodeDBError = 50001
// CodeEncryptError 加密失败
CodeEncryptError = 50002
// CodeIOFailed IO操作失败
CodeIOFailed = 50004
// CodeInternalSetting 内部设置参数错误
CodeInternalSetting = 50005
// CodeCacheOperation 缓存操作失败
CodeCacheOperation = 50006
// CodeCallbackError 回调失败
CodeCallbackError = 50007
//CodeParamErr 各种奇奇怪怪的参数错误
CodeParamErr = 40001
// CodeNotSet 未定错误后续尝试从error中获取
CodeNotSet = -1
)
// DBErr 数据库操作失败
func DBErr(msg string, err error) Response {
if msg == "" {
msg = "数据库操作失败"
}
return Err(CodeDBError, msg, err)
}
// ParamErr 各种参数错误
func ParamErr(msg string, err error) Response {
if msg == "" {
msg = "参数错误"
}
return Err(CodeParamErr, msg, err)
}
// Err 通用错误处理
func Err(errCode int, msg string, err error) Response {
// 底层错误是AppError则尝试从AppError中获取详细信息
if appError, ok := err.(AppError); ok {
errCode = appError.Code
err = appError.RawError
msg = appError.Msg
}
res := Response{
Code: errCode,
Msg: msg,
}
// 生产环境隐藏底层报错
if err != nil && gin.Mode() != gin.ReleaseMode {
res.Error = err.Error()
}
return res
}