1package bug
 2
 3import (
 4	"strings"
 5
 6	"github.com/MichaelMure/git-bug/identity"
 7	"github.com/MichaelMure/git-bug/util/git"
 8)
 9
10type TimelineItem interface {
11	// Hash return the hash of the item
12	Hash() git.Hash
13}
14
15// CommentHistoryStep hold one version of a message in the history
16type CommentHistoryStep struct {
17	// The author of the edition, not necessarily the same as the author of the
18	// original comment
19	Author identity.Interface
20	// The new message
21	Message  string
22	UnixTime Timestamp
23}
24
25// CommentTimelineItem is a TimelineItem that holds a Comment and its edition history
26type CommentTimelineItem struct {
27	hash      git.Hash
28	Author    identity.Interface
29	Message   string
30	Files     []git.Hash
31	CreatedAt Timestamp
32	LastEdit  Timestamp
33	History   []CommentHistoryStep
34}
35
36func NewCommentTimelineItem(hash git.Hash, comment Comment) CommentTimelineItem {
37	return CommentTimelineItem{
38		hash:      hash,
39		Author:    comment.Author,
40		Message:   comment.Message,
41		Files:     comment.Files,
42		CreatedAt: comment.UnixTime,
43		LastEdit:  comment.UnixTime,
44		History: []CommentHistoryStep{
45			{
46				Message:  comment.Message,
47				UnixTime: comment.UnixTime,
48			},
49		},
50	}
51}
52
53func (c *CommentTimelineItem) Hash() git.Hash {
54	return c.hash
55}
56
57// Append will append a new comment in the history and update the other values
58func (c *CommentTimelineItem) Append(comment Comment) {
59	c.Message = comment.Message
60	c.Files = comment.Files
61	c.LastEdit = comment.UnixTime
62	c.History = append(c.History, CommentHistoryStep{
63		Author:   comment.Author,
64		Message:  comment.Message,
65		UnixTime: comment.UnixTime,
66	})
67}
68
69// Edited say if the comment was edited
70func (c *CommentTimelineItem) Edited() bool {
71	return len(c.History) > 1
72}
73
74// MessageIsEmpty return true is the message is empty or only made of spaces
75func (c *CommentTimelineItem) MessageIsEmpty() bool {
76	return len(strings.TrimSpace(c.Message)) == 0
77}