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
125
126
127
128
129
130
|
package bug
import (
"fmt"
"github.com/pkg/errors"
"github.com/MichaelMure/git-bug/entities/identity"
"github.com/MichaelMure/git-bug/entity"
"github.com/MichaelMure/git-bug/entity/dag"
"github.com/MichaelMure/git-bug/repository"
"github.com/MichaelMure/git-bug/util/timestamp"
"github.com/MichaelMure/git-bug/util/text"
)
var _ Operation = &EditCommentOperation{}
var _ dag.OperationWithFiles = &EditCommentOperation{}
// EditCommentOperation will change a comment in the bug
type EditCommentOperation struct {
dag.OpBase
Target entity.Id `json:"target"`
Message string `json:"message"`
Files []repository.Hash `json:"files"`
}
func (op *EditCommentOperation) Id() entity.Id {
return dag.IdOperation(op, &op.OpBase)
}
func (op *EditCommentOperation) Apply(snapshot *Snapshot) {
// Todo: currently any message can be edited, even by a different author
// crypto signature are needed.
// Recreate the combined Id to match on
combinedId := entity.CombineIds(snapshot.Id(), op.Target)
var target TimelineItem
for i, item := range snapshot.Timeline {
if item.CombinedId() == combinedId {
target = snapshot.Timeline[i]
break
}
}
if target == nil {
// Target not found, edit is a no-op
return
}
comment := Comment{
combinedId: combinedId,
targetId: op.Target,
Message: op.Message,
Files: op.Files,
unixTime: timestamp.Timestamp(op.UnixTime),
}
switch target := target.(type) {
case *CreateTimelineItem:
target.Append(comment)
case *AddCommentTimelineItem:
target.Append(comment)
default:
// somehow, the target matched on something that is not a comment
// we make the op a no-op
return
}
snapshot.addActor(op.Author())
// Updating the corresponding comment
for i := range snapshot.Comments {
if snapshot.Comments[i].CombinedId() == combinedId {
snapshot.Comments[i].Message = op.Message
snapshot.Comments[i].Files = op.Files
break
}
}
}
func (op *EditCommentOperation) GetFiles() []repository.Hash {
return op.Files
}
func (op *EditCommentOperation) Validate() error {
if err := op.OpBase.Validate(op, EditCommentOp); err != nil {
return err
}
if err := op.Target.Validate(); err != nil {
return errors.Wrap(err, "target hash is invalid")
}
if !text.Safe(op.Message) {
return fmt.Errorf("message is not fully printable")
}
return nil
}
func NewEditCommentOp(author identity.Interface, unixTime int64, target entity.Id, message string, files []repository.Hash) *EditCommentOperation {
return &EditCommentOperation{
OpBase: dag.NewOpBase(EditCommentOp, author, unixTime),
Target: target,
Message: message,
Files: files,
}
}
// EditComment is a convenience function to apply the operation
func EditComment(b Interface, author identity.Interface, unixTime int64, target entity.Id, message string, files []repository.Hash, metadata map[string]string) (entity.CombinedId, *EditCommentOperation, error) {
op := NewEditCommentOp(author, unixTime, target, message, files)
for key, val := range metadata {
op.SetMetadata(key, val)
}
if err := op.Validate(); err != nil {
return entity.UnsetCombinedId, nil, err
}
b.Append(op)
return entity.CombineIds(b.Id(), target), op, nil
}
// EditCreateComment is a convenience function to edit the body of a bug (the first comment)
func EditCreateComment(b Interface, author identity.Interface, unixTime int64, message string, files []repository.Hash, metadata map[string]string) (entity.CombinedId, *EditCommentOperation, error) {
createOp := b.FirstOp().(*CreateOperation)
return EditComment(b, author, unixTime, createOp.Id(), message, files, metadata)
}
|
