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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
# frozen_string_literal: true
# A non-diff discussion on an issue, merge request, commit, or snippet, consisting of `DiscussionNote` notes.
#
# A discussion of this type can be resolvable.
class Discussion
include GlobalID::Identification
include ResolvableDiscussion
attr_reader :notes, :context_noteable
delegate :created_at,
:project,
:author,
:noteable,
:commit_id,
:for_commit?,
:for_merge_request?,
:to_ability_name,
:editable?,
to: :first_note
def declarative_policy_delegate
first_note
end
def project_id
project&.id
end
def self.build(notes, context_noteable = nil)
notes.first.discussion_class(context_noteable).new(notes, context_noteable)
end
def self.build_collection(notes, context_noteable = nil)
grouped_notes = notes.group_by { |n| n.discussion_id(context_noteable) }
grouped_notes.values.map { |notes| build(notes, context_noteable) }
end
def self.lazy_find(discussion_id)
BatchLoader.for(discussion_id).batch do |discussion_ids, loader|
results = Note.where(discussion_id: discussion_ids).fresh.to_a.group_by(&:discussion_id)
results.each do |discussion_id, notes|
next if notes.empty?
loader.call(discussion_id, Discussion.build(notes))
end
end
end
# Returns an alphanumeric discussion ID based on `build_discussion_id`
def self.discussion_id(note)
Digest::SHA1.hexdigest(build_discussion_id(note).join("-"))
end
# Returns an array of discussion ID components
def self.build_discussion_id(note)
[*base_discussion_id(note), SecureRandom.hex]
end
def self.base_discussion_id(note)
noteable_id = note.noteable_id || note.commit_id
[:discussion, note.noteable_type.try(:underscore), noteable_id]
end
# When notes on a commit are displayed in context of a merge request that contains that commit,
# these notes are to be displayed as if they were part of one discussion, even though they were actually
# individual notes on the commit with different discussion IDs, so that it's clear that these are not
# notes on the merge request itself.
#
# To turn a list of notes into a list of discussions, they are grouped by discussion ID, so to
# get these out-of-context notes to end up in the same discussion, we need to get them to return the same
# `discussion_id` when this grouping happens. To enable this, `Note#discussion_id` calls out
# to the `override_discussion_id` method on the appropriate `Discussion` subclass, as determined by
# the `discussion_class` method on `Note` or a subclass of `Note`.
#
# If no override is necessary, return `nil`.
# For the case described above, see `OutOfContextDiscussion.override_discussion_id`.
def self.override_discussion_id(note)
nil
end
def self.note_class
DiscussionNote
end
def initialize(notes, context_noteable = nil)
@notes = notes
@context_noteable = context_noteable
end
def on_image?
false
end
def ==(other)
other.class == self.class &&
other.context_noteable == self.context_noteable &&
other.id == self.id &&
other.notes == self.notes
end
def last_updated_at
last_note.created_at
end
def last_updated_by
last_note.author
end
def updated?
last_updated_at != created_at
end
def id
first_note.discussion_id(context_noteable)
end
def reply_id
# To reply to this discussion, we need the actual discussion_id from the database,
# not the potentially overwritten one based on the noteable.
first_note.discussion_id
end
alias_method :to_param, :id
def diff_discussion?
false
end
def individual_note?
false
end
def can_convert_to_discussion?
false
end
def new_discussion?
notes.length == 1
end
def last_note
@last_note ||= notes.last
end
def collapsed?
resolved?
end
def expanded?
!collapsed?
end
def reply_attributes
first_note.slice(:type, :noteable_type, :noteable_id, :commit_id, :discussion_id)
end
end
|
