-
Notifications
You must be signed in to change notification settings - Fork 1
/
code_error.go
76 lines (61 loc) · 1.19 KB
/
code_error.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
package codes
import (
"fmt"
"io"
"github.com/dtynn/winston/internal/pb"
)
type codeError struct {
cause error
code pb.ResultCode
}
func (c *codeError) Code() pb.ResultCode {
return c.code
}
func (c *codeError) Error() string {
return fmt.Sprintf("code %d; %s", c.code, c.cause)
}
func (c *codeError) Cause() error {
return c.cause
}
func (c *codeError) Format(s fmt.State, verb rune) {
switch verb {
case 'v':
if s.Flag('+') {
fmt.Fprintf(s, "code %d\n%+v\n", c.Code(), c.Cause())
return
}
fallthrough
case 's', 'q':
io.WriteString(s, c.Error())
}
}
// WithCode alias a code to the error
func WithCode(code pb.ResultCode, err error) error {
if err == nil {
return nil
}
return &codeError{
cause: err,
code: code,
}
}
// Code return the code aliased to the error if any
func Code(err error) pb.ResultCode {
if err == nil {
return pb.ResultCode_ResultCodeOK
}
if e, ok := err.(*codeError); ok {
return e.code
}
return pb.ResultCode_ResultCodeUnknown
}
// Result turn err into rpc result
func Result(err error) *pb.Result {
res := &pb.Result{
Code: Code(err),
}
if res.Code == pb.ResultCode_ResultCodeUnknown {
res.Message = err.Error()
}
return res
}