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110 lines
1.8 KiB
110 lines
1.8 KiB
package errs
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import (
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"fmt"
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"github.com/pkg/errors"
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"strings"
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)
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type CodeError interface {
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Code() int
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Msg() string
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Detail() string
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WithDetail(detail string) CodeError
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// Is 判断是否是某个错误, loose为false时, 只有错误码相同就认为是同一个错误, 默认为true
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Is(err error, loose ...bool) bool
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Wrap(msg ...string) error
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error
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}
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func NewCodeError(code int, msg string) CodeError {
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return &codeError{
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code: code,
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msg: msg,
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}
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}
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type codeError struct {
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code int
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msg string
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detail string
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}
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func (e *codeError) Code() int {
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return e.code
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}
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func (e *codeError) Msg() string {
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return e.msg
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}
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func (e *codeError) Detail() string {
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return e.detail
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}
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func (e *codeError) WithDetail(detail string) CodeError {
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var d string
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if e.detail == "" {
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d = detail
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} else {
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d = e.detail + ", " + detail
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}
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return &codeError{
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code: e.code,
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msg: e.msg,
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detail: d,
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}
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}
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func (e *codeError) Wrap(w ...string) error {
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return errors.Wrap(e, strings.Join(w, ", "))
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}
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func (e *codeError) Is(err error, loose ...bool) bool {
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if err == nil {
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return false
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}
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var allowSubclasses bool
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if len(loose) == 0 {
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allowSubclasses = true
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} else {
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allowSubclasses = loose[0]
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}
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codeErr, ok := Unwrap(err).(CodeError)
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if ok {
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if allowSubclasses {
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return Relation.Is(e.code, codeErr.Code())
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} else {
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return codeErr.Code() == e.code
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}
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}
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return false
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}
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func (e *codeError) Error() string {
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return fmt.Sprintf("%s", e.msg)
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}
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func Unwrap(err error) error {
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for err != nil {
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unwrap, ok := err.(interface {
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Unwrap() error
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})
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if !ok {
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break
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}
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err = unwrap.Unwrap()
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}
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return err
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}
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func Wrap(err error, msg ...string) error {
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if err == nil {
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return nil
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}
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if len(msg) == 0 {
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return errors.WithStack(err)
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}
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return errors.Wrap(err, strings.Join(msg, ", "))
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}
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