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/repository"
9 "github.com/MichaelMure/git-bug/util/text"
10 "github.com/MichaelMure/git-bug/util/timestamp"
11)
12
13var _ Operation = &CreateOperation{}
14var _ entity.OperationWithFiles = &CreateOperation{}
15
16// CreateOperation define the initial creation of a bug
17type CreateOperation struct {
18 dag.OpBase
19 Title string `json:"title"`
20 Message string `json:"message"`
21 Files []repository.Hash `json:"files"`
22}
23
24func (op *CreateOperation) Id() entity.Id {
25 return dag.IdOperation(op, &op.OpBase)
26}
27
28func (op *CreateOperation) Apply(snapshot *Snapshot) {
29 // sanity check: will fail when adding a second Create
30 if snapshot.id != "" && snapshot.id != entity.UnsetId && snapshot.id != op.Id() {
31 return
32 }
33
34 // the Id of the Bug/Snapshot is the Id of the first Operation: CreateOperation
35 opId := op.Id()
36 snapshot.id = opId
37
38 snapshot.addActor(op.Author())
39 snapshot.addParticipant(op.Author())
40
41 snapshot.Title = op.Title
42
43 comment := Comment{
44 combinedId: entity.CombineIds(snapshot.id, opId),
45 targetId: opId,
46 Message: op.Message,
47 Author: op.Author(),
48 unixTime: timestamp.Timestamp(op.UnixTime),
49 }
50
51 snapshot.Comments = []Comment{comment}
52 snapshot.Author = op.Author()
53 snapshot.CreateTime = op.Time()
54
55 snapshot.Timeline = []TimelineItem{
56 &CreateTimelineItem{
57 CommentTimelineItem: NewCommentTimelineItem(comment),
58 },
59 }
60}
61
62func (op *CreateOperation) GetFiles() []repository.Hash {
63 return op.Files
64}
65
66func (op *CreateOperation) Validate() error {
67 if err := op.OpBase.Validate(op, CreateOp); err != nil {
68 return err
69 }
70
71 if text.Empty(op.Title) {
72 return fmt.Errorf("title is empty")
73 }
74 if !text.SafeOneLine(op.Title) {
75 return fmt.Errorf("title has unsafe characters")
76 }
77
78 if !text.Safe(op.Message) {
79 return fmt.Errorf("message is not fully printable")
80 }
81
82 for _, file := range op.Files {
83 if !file.IsValid() {
84 return fmt.Errorf("invalid file hash")
85 }
86 }
87
88 return nil
89}
90
91func NewCreateOp(author entity.Identity, unixTime int64, title, message string, files []repository.Hash) *CreateOperation {
92 return &CreateOperation{
93 OpBase: dag.NewOpBase(CreateOp, author, unixTime),
94 Title: title,
95 Message: message,
96 Files: files,
97 }
98}
99
100// CreateTimelineItem replace a Create operation in the Timeline and hold its edition history
101type CreateTimelineItem struct {
102 CommentTimelineItem
103}
104
105// IsAuthored is a sign post method for gqlgen
106func (c *CreateTimelineItem) IsAuthored() {}
107
108// Create is a convenience function to create a bug
109func Create(author entity.Identity, unixTime int64, title, message string, files []repository.Hash, metadata map[string]string) (*Bug, *CreateOperation, error) {
110 b := NewBug()
111 op := NewCreateOp(author, unixTime, title, message, files)
112 for key, val := range metadata {
113 op.SetMetadata(key, val)
114 }
115 if err := op.Validate(); err != nil {
116 return nil, op, err
117 }
118 b.Append(op)
119 return b, op, nil
120}