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
|
# frozen_string_literal: true
class NotesFinder
FETCH_OVERLAP = 5.seconds
attr_reader :target_type
# Used to filter Notes
# When used with target_type and target_id this returns notes specifically for the controller
#
# Arguments:
# current_user - which user check authorizations with
# project - which project to look for notes on
# params:
# target: noteable
# target_type: string
# target_id: integer
# last_fetched_at: time
# search: string
#
def initialize(current_user, params = {})
@project = params[:project]
@current_user = current_user
@params = params.dup
@target_type = @params[:target_type]
end
def execute
notes = init_collection
notes = since_fetch_at(notes)
notes = notes.with_notes_filter(@params[:notes_filter]) if notes_filter?
notes.fresh
end
def target
return @target if defined?(@target)
if target_given?
use_explicit_target
else
find_target_by_type_and_ids
end
end
private
def target_given?
@params.key?(:target)
end
def use_explicit_target
@target = @params[:target]
@target_type = @target.class.name.underscore
@target
end
def find_target_by_type_and_ids
target_id = @params[:target_id]
target_iid = @params[:target_iid]
return @target = nil unless target_type
return @target = nil unless target_id || target_iid
@target =
if target_type == "commit"
if Ability.allowed?(@current_user, :download_code, @project)
@project.commit(target_id)
end
else
noteable_for_type_by_id(target_type, target_id, target_iid)
end
end
def noteable_for_type_by_id(type, id, iid)
query = if id
{ id: id }
else
{ iid: iid }
end
noteables_for_type(type).find_by!(query) # rubocop: disable CodeReuse/ActiveRecord
end
def init_collection
if target
notes_on_target
elsif target_type
notes_of_target_type
else
notes_of_any_type
end
end
def notes_of_target_type
notes = notes_for_type(target_type)
search(notes)
end
# rubocop: disable CodeReuse/ActiveRecord
def notes_of_any_type
types = %w(commit issue merge_request snippet)
note_relations = types.map { |t| notes_for_type(t) }
note_relations.map! { |notes| search(notes) }
UnionFinder.new.find_union(note_relations, Note.includes(:author)) # rubocop: disable CodeReuse/Finder
end
# rubocop: enable CodeReuse/ActiveRecord
def noteables_for_type(noteable_type)
case noteable_type
when "issue"
IssuesFinder.new(@current_user, project_id: @project.id).execute # rubocop: disable CodeReuse/Finder
when "merge_request"
MergeRequestsFinder.new(@current_user, project_id: @project.id).execute # rubocop: disable CodeReuse/Finder
when "snippet", "project_snippet"
SnippetsFinder.new(@current_user, project: @project).execute # rubocop: disable CodeReuse/Finder
when "personal_snippet"
PersonalSnippet.all
else
raise "invalid target_type '#{noteable_type}'"
end
end
# rubocop: disable CodeReuse/ActiveRecord
def notes_for_type(noteable_type)
if noteable_type == "commit"
if Ability.allowed?(@current_user, :download_code, @project)
@project.notes.where(noteable_type: 'Commit')
else
Note.none
end
else
finder = noteables_for_type(noteable_type)
@project.notes.where(noteable_type: finder.base_class.name, noteable_id: finder.reorder(nil))
end
end
# rubocop: enable CodeReuse/ActiveRecord
def notes_on_target
if target.respond_to?(:related_notes)
target.related_notes
else
target.notes
end
end
# Searches for notes matching the given query.
#
# This method uses ILIKE on PostgreSQL.
#
def search(notes)
query = @params[:search]
return notes unless query
notes.search(query)
end
# Notes changed since last fetch
def since_fetch_at(notes)
return notes unless @params[:last_fetched_at]
# Default to 0 to remain compatible with old clients
last_fetched_at = @params.fetch(:last_fetched_at, Time.at(0))
# Use overlapping intervals to avoid worrying about race conditions
last_fetched_at -= FETCH_OVERLAP
notes.updated_after(last_fetched_at)
end
def notes_filter?
@params[:notes_filter].present?
end
end
NotesFinder.prepend_if_ee('EE::NotesFinder')
|
