1package bug
 2
 3import "github.com/MichaelMure/git-bug/util/git"
 4
 5type TimelineItem interface {
 6	// Hash return the hash of the item
 7	Hash() (git.Hash, error)
 8}
 9
10// CreateTimelineItem replace a Create operation in the Timeline and hold its edition history
11type CreateTimelineItem struct {
12	hash    git.Hash
13	History []Comment
14}
15
16func NewCreateTimelineItem(hash git.Hash, comment Comment) *CreateTimelineItem {
17	return &CreateTimelineItem{
18		hash: hash,
19		History: []Comment{
20			comment,
21		},
22	}
23}
24
25func (c *CreateTimelineItem) Hash() (git.Hash, error) {
26	return c.hash, nil
27}
28
29func (c *CreateTimelineItem) LastState() Comment {
30	if len(c.History) == 0 {
31		panic("no history yet")
32	}
33
34	return c.History[len(c.History)-1]
35}
36
37// CommentTimelineItem replace a Comment in the Timeline and hold its edition history
38type CommentTimelineItem struct {
39	hash    git.Hash
40	History []Comment
41}
42
43func NewCommentTimelineItem(hash git.Hash, comment Comment) *CommentTimelineItem {
44	return &CommentTimelineItem{
45		hash: hash,
46		History: []Comment{
47			comment,
48		},
49	}
50}
51
52func (c *CommentTimelineItem) Hash() (git.Hash, error) {
53	return c.hash, nil
54}
55
56func (c *CommentTimelineItem) LastState() Comment {
57	if len(c.History) == 0 {
58		panic("no history yet")
59	}
60
61	return c.History[len(c.History)-1]
62}