error.go

package errm

import (
	"fmt"
	"go-micro.dev/v4/errors"
	"gomicro-base/common/validate"
)

type code int32

const (
	DefaultErrorCode  int32 = 1000
	ParamsErrorCode         = 1001
	NotFoundErrorCode       = 1002
)

var codeStatusText = map[int32]string{
	DefaultErrorCode:  "操作失败",
	ParamsErrorCode:   "参数不正确",
	NotFoundErrorCode: "未查询到记录",
}

type ResponseError struct {
	Code int    `json:"code"`
	Msg  string `json:"msg"`
}

var _ error = &ResponseError{}

// 实现error接口
func (c *ResponseError) Error() string {
	return fmt.Sprintf("[%d]%s", c.Code, c.Msg)
}

// NewMicroError 构造go-micro错误响应
func NewMicroError(detail string, code ...int32) error {
	var c = DefaultErrorCode
	if len(code) > 0 {
		c = code[0]
	}
	return &errors.Error{
		Code:   c,
		Detail: detail,
		Status: codeStatusText[c],
	}
}

// TransParamsError 翻译go-validate验证错误信息
func TransParamsError(err error) error {
	return NewMicroError(validate.TransError(err), ParamsErrorCode)
}

// NotFound 未找到错误
func NotFound(detail string) error {
	return NewMicroError(detail, NotFoundErrorCode)
}