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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
|
# frozen_string_literal: true
module NotesActions
include RendersNotes
include Gitlab::Utils::StrongMemoize
extend ActiveSupport::Concern
# last_fetched_at is an integer number of microseconds, which is the same
# precision as PostgreSQL "timestamp" fields.
MICROSECOND = 1_000_000
included do
before_action :set_polling_interval_header, only: [:index]
before_action :require_noteable!, only: [:index, :create]
before_action :authorize_admin_note!, only: [:update, :destroy]
before_action :note_project, only: [:create]
before_action -> {
check_rate_limit!(:notes_create,
scope: current_user,
users_allowlist: Gitlab::CurrentSettings.current_application_settings.notes_create_limit_allowlist)
}, only: [:create]
end
def index
notes, meta = gather_all_notes
notes = prepare_notes_for_rendering(notes)
notes = notes.select { |n| n.readable_by?(current_user) }
notes =
if use_note_serializer?
note_serializer.represent(notes)
else
notes.map { |note| note_json(note) }
end
# Only present an ETag for the empty response
::Gitlab::EtagCaching::Middleware.skip!(response) if notes.present?
render json: meta.merge(notes: notes)
end
# rubocop:disable Gitlab/ModuleWithInstanceVariables
def create
@note = Notes::CreateService.new(note_project, current_user, create_note_params).execute
respond_to do |format|
format.json do
json = {
commands_changes: @note.commands_changes&.slice(:emoji_award, :time_estimate, :spend_time),
command_names: @note.command_names
}
if @note.persisted? && return_discussion?
json[:valid] = true
discussion = @note.discussion
prepare_notes_for_rendering(discussion.notes)
json[:discussion] = discussion_serializer.represent(discussion, context: self)
else
prepare_notes_for_rendering([@note])
json.merge!(note_json(@note))
end
if @note.errors.present? && @note.errors.attribute_names != [:commands_only, :command_names]
render json: json, status: :unprocessable_entity
else
render json: json
end
end
format.html { redirect_back_or_default }
end
end
# rubocop:enable Gitlab/ModuleWithInstanceVariables
# rubocop:disable Gitlab/ModuleWithInstanceVariables
def update
@note = Notes::UpdateService.new(project, current_user, update_note_params).execute(note)
unless @note
head :gone
return
end
prepare_notes_for_rendering([@note])
respond_to do |format|
format.json { render json: note_json(@note) }
format.html { redirect_back_or_default }
end
end
# rubocop:enable Gitlab/ModuleWithInstanceVariables
def destroy
Notes::DestroyService.new(project, current_user).execute(note) if note.editable?
respond_to do |format|
format.js { head :ok }
end
end
private
def gather_all_notes
now = Time.current
notes = merge_resource_events(notes_finder.execute.inc_relations_for_view(noteable))
[notes, { last_fetched_at: (now.to_i * MICROSECOND) + now.usec }]
end
def merge_resource_events(notes)
return notes if notes_filter == UserPreference::NOTES_FILTERS[:only_comments]
ResourceEvents::MergeIntoNotesService
.new(noteable, current_user, last_fetched_at: last_fetched_at)
.execute(notes)
end
def note_html(note)
render_to_string(
"shared/notes/_note",
layout: false,
formats: [:html],
locals: { note: note }
)
end
def note_json(note)
attrs = {}
if note.persisted?
attrs[:valid] = true
if return_discussion?
discussion = note.discussion
prepare_notes_for_rendering(discussion.notes)
attrs[:discussion] = discussion_serializer.represent(discussion, context: self)
elsif use_note_serializer?
attrs.merge!(note_serializer.represent(note))
else
attrs.merge!(
id: note.id,
discussion_id: note.discussion_id(noteable),
html: note_html(note),
note: note.note,
on_image: note.try(:on_image?)
)
discussion = note.to_discussion(noteable)
unless discussion.individual_note?
attrs.merge!(
discussion_resolvable: discussion.resolvable?,
diff_discussion_html: diff_discussion_html(discussion),
discussion_html: discussion_html(discussion)
)
attrs[:discussion_line_code] = discussion.line_code if discussion.diff_discussion?
end
end
else
attrs.merge!(
valid: false,
errors: note.errors
)
end
attrs
end
def diff_discussion_html(discussion)
return unless discussion.diff_discussion?
on_image = discussion.on_image?
if params[:view] == 'parallel' && !on_image
template = "discussions/_parallel_diff_discussion"
locals =
if params[:line_type] == 'old'
{ discussions_left: [discussion], discussions_right: nil }
else
{ discussions_left: nil, discussions_right: [discussion] }
end
else
template = "discussions/_diff_discussion"
@fresh_discussion = true # rubocop:disable Gitlab/ModuleWithInstanceVariables
locals = { discussions: [discussion], on_image: on_image }
end
render_to_string(
template,
layout: false,
formats: [:html],
locals: locals
)
end
def discussion_html(discussion)
return if discussion.individual_note?
render_to_string(
"discussions/_discussion",
layout: false,
formats: [:html],
locals: { discussion: discussion }
)
end
def authorize_admin_note!
return access_denied! unless can?(current_user, :admin_note, note)
end
def create_note_params
params.require(:note).permit(
:type,
:note,
:line_code, # LegacyDiffNote
:position, # DiffNote
:confidential,
:internal
).tap do |create_params|
create_params.merge!(
params.permit(:merge_request_diff_head_sha, :in_reply_to_discussion_id)
)
# These params are also sent by the client but we need to set these based on
# target_type and target_id because we're checking permissions based on that
create_params[:noteable_type] = noteable.class.name
case noteable
when Commit
create_params[:commit_id] = noteable.id
when MergeRequest
create_params[:noteable_id] = noteable.id
# Notes on MergeRequest can have an extra `commit_id` context
create_params[:commit_id] = params.dig(:note, :commit_id)
else
create_params[:noteable_id] = noteable.id
end
end
end
def update_note_params
params.require(:note).permit(:note, :position)
end
def set_polling_interval_header(interval: 6000)
Gitlab::PollingInterval.set_header(response, interval: interval)
end
def noteable
@noteable ||= notes_finder.target || @note&.noteable # rubocop:disable Gitlab/ModuleWithInstanceVariables
end
def require_noteable!
render_404 unless noteable
end
def last_fetched_at
microseconds = request.headers['X-Last-Fetched-At'].to_i
seconds = microseconds / MICROSECOND
frac = microseconds % MICROSECOND
Time.zone.at(seconds, frac)
end
strong_memoize_attr :last_fetched_at
def notes_filter
current_user&.notes_filter_for(params[:target_type])
end
def notes_finder
@notes_finder ||= NotesFinder.new(current_user, finder_params)
end
def note_serializer
ProjectNoteSerializer.new(project: project, noteable: noteable, current_user: current_user)
end
def discussion_serializer
DiscussionSerializer.new(project: project, noteable: noteable, current_user: current_user, note_entity: ProjectNoteEntity)
end
def note_project
return unless project
note_project_id = params[:note_project_id]
the_project =
if note_project_id.present?
Project.find(note_project_id)
else
project
end
return access_denied! unless can?(current_user, :create_note, the_project)
the_project
end
strong_memoize_attr :note_project
def return_discussion?
Gitlab::Utils.to_boolean(params[:return_discussion])
end
def use_note_serializer?
return false if params['html']
noteable.discussions_rendered_on_frontend?
end
end
NotesActions.prepend_mod_with('NotesActions')
|