func SendErr(resp zerver.Response, err error) {
if err == nil {
panic("there is no error occurred")
}
switch e := errors.Unwrap(err).(type) {
case httperrs.Error:
resp.StatusCode(e.Code())
if e.Code() < int(httperrs.Server) {
resp.Send(Error{e.Error()})
return
}
default:
resp.Logger().Error(log.M{"msg": "internal server error", "error": err.Error()})
resp.StatusCode(http.StatusInternalServerError)
}
}