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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
package bug
import (
"fmt"
"strings"
"github.com/MichaelMure/git-bug/util/git"
"github.com/MichaelMure/git-bug/util/text"
)
var _ Operation = &SetTitleOperation{}
// SetTitleOperation will change the title of a bug
type SetTitleOperation struct {
OpBase
Title string `json:"title"`
Was string `json:"was"`
}
func (op *SetTitleOperation) base() *OpBase {
return &op.OpBase
}
func (op *SetTitleOperation) Hash() (git.Hash, error) {
return hashOperation(op)
}
func (op *SetTitleOperation) Apply(snapshot *Snapshot) {
snapshot.Title = op.Title
hash, err := op.Hash()
if err != nil {
// Should never error unless a programming error happened
// (covered in OpBase.Validate())
panic(err)
}
item := &SetTitleTimelineItem{
hash: hash,
Author: op.Author,
UnixTime: Timestamp(op.UnixTime),
Title: op.Title,
Was: op.Was,
}
snapshot.Timeline = append(snapshot.Timeline, item)
}
func (op *SetTitleOperation) Validate() error {
if err := opBaseValidate(op, SetTitleOp); err != nil {
return err
}
if text.Empty(op.Title) {
return fmt.Errorf("title is empty")
}
if strings.Contains(op.Title, "\n") {
return fmt.Errorf("title should be a single line")
}
if !text.Safe(op.Title) {
return fmt.Errorf("title should be fully printable")
}
if strings.Contains(op.Was, "\n") {
return fmt.Errorf("previous title should be a single line")
}
if !text.Safe(op.Was) {
return fmt.Errorf("previous title should be fully printable")
}
return nil
}
func NewSetTitleOp(author Person, unixTime int64, title string, was string) *SetTitleOperation {
return &SetTitleOperation{
OpBase: newOpBase(SetTitleOp, author, unixTime),
Title: title,
Was: was,
}
}
type SetTitleTimelineItem struct {
hash git.Hash
Author Person
UnixTime Timestamp
Title string
Was string
}
func (s SetTitleTimelineItem) Hash() git.Hash {
return s.hash
}
// Convenience function to apply the operation
func SetTitle(b Interface, author Person, unixTime int64, title string) (*SetTitleOperation, error) {
it := NewOperationIterator(b)
var lastTitleOp Operation
for it.Next() {
op := it.Value()
if op.base().OperationType == SetTitleOp {
lastTitleOp = op
}
}
var was string
if lastTitleOp != nil {
was = lastTitleOp.(*SetTitleOperation).Title
} else {
was = b.FirstOp().(*CreateOperation).Title
}
setTitleOp := NewSetTitleOp(author, unixTime, title, was)
if err := setTitleOp.Validate(); err != nil {
return nil, err
}
b.Append(setTitleOp)
return setTitleOp, nil
}
|
