1package bug
2
3import (
4 "fmt"
5
6 "github.com/MichaelMure/git-bug/entity"
7 "github.com/MichaelMure/git-bug/entity/dag"
8 "github.com/MichaelMure/git-bug/identity"
9 "github.com/MichaelMure/git-bug/repository"
10 "github.com/MichaelMure/git-bug/util/text"
11 "github.com/MichaelMure/git-bug/util/timestamp"
12)
13
14var _ Operation = &CreateOperation{}
15var _ dag.OperationWithFiles = &CreateOperation{}
16
17// CreateOperation define the initial creation of a bug
18type CreateOperation struct {
19 dag.OpBase
20 Title string `json:"title"`
21 Message string `json:"message"`
22 Files []repository.Hash `json:"files"`
23}
24
25func (op *CreateOperation) Id() entity.Id {
26 return dag.IdOperation(op, &op.OpBase)
27}
28
29func (op *CreateOperation) Apply(snapshot *Snapshot) {
30 // sanity check: will fail when adding a second Create
31 if snapshot.id != "" && snapshot.id != entity.UnsetId && snapshot.id != op.Id() {
32 return
33 }
34
35 snapshot.id = op.Id()
36
37 snapshot.addActor(op.Author())
38 snapshot.addParticipant(op.Author())
39
40 snapshot.Title = op.Title
41
42 comment := Comment{
43 id: entity.CombineIds(snapshot.Id(), op.Id()),
44 Message: op.Message,
45 Author: op.Author(),
46 UnixTime: timestamp.Timestamp(op.UnixTime),
47 }
48
49 snapshot.Comments = []Comment{comment}
50 snapshot.Author = op.Author()
51 snapshot.CreateTime = op.Time()
52
53 snapshot.Timeline = []TimelineItem{
54 &CreateTimelineItem{
55 CommentTimelineItem: NewCommentTimelineItem(comment),
56 },
57 }
58}
59
60func (op *CreateOperation) GetFiles() []repository.Hash {
61 return op.Files
62}
63
64func (op *CreateOperation) Validate() error {
65 if err := op.OpBase.Validate(op, CreateOp); err != nil {
66 return err
67 }
68
69 if text.Empty(op.Title) {
70 return fmt.Errorf("title is empty")
71 }
72 if !text.SafeOneLine(op.Title) {
73 return fmt.Errorf("title has unsafe characters")
74 }
75
76 if !text.Safe(op.Message) {
77 return fmt.Errorf("message is not fully printable")
78 }
79
80 return nil
81}
82
83func NewCreateOp(author identity.Interface, unixTime int64, title, message string, files []repository.Hash) *CreateOperation {
84 return &CreateOperation{
85 OpBase: dag.NewOpBase(CreateOp, author, unixTime),
86 Title: title,
87 Message: message,
88 Files: files,
89 }
90}
91
92// CreateTimelineItem replace a Create operation in the Timeline and hold its edition history
93type CreateTimelineItem struct {
94 CommentTimelineItem
95}
96
97// IsAuthored is a sign post method for gqlgen
98func (c *CreateTimelineItem) IsAuthored() {}
99
100// Convenience function to apply the operation
101func Create(author identity.Interface, unixTime int64, title, message string) (*Bug, *CreateOperation, error) {
102 return CreateWithFiles(author, unixTime, title, message, nil)
103}
104
105func CreateWithFiles(author identity.Interface, unixTime int64, title, message string, files []repository.Hash) (*Bug, *CreateOperation, error) {
106 newBug := NewBug()
107 createOp := NewCreateOp(author, unixTime, title, message, files)
108
109 if err := createOp.Validate(); err != nil {
110 return nil, createOp, err
111 }
112
113 newBug.Append(createOp)
114
115 return newBug, createOp, nil
116}