Create system note for attention requests

app/helpers/system_note_helper.rb

@@ -40,7 +40,9 @@ module SystemNoteHelper
     'new_alert_added' => 'warning',
     'severity' => 'information-o',
     'cloned' => 'documents',
-    'issue_type' => 'pencil-square'
+    'issue_type' => 'pencil-square',
+    'attention_requested' => 'user',
+    'attention_request_removed' => 'user'
   }.freeze
 
   def system_note_icon_name(note)

app/models/system_note_metadata.rb

@@ -24,6 +24,7 @@ class SystemNoteMetadata < ApplicationRecord
     opened closed merged duplicate locked unlocked outdated reviewer
     tag due_date pinned_embed cherry_pick health_status approved unapproved
     status alert_issue_added relate unrelate new_alert_added severity
+    attention_requested attention_request_removed
   ].freeze
 
   validates :note, presence: true, unless: :importing?

app/services/merge_requests/toggle_attention_requested_service.rb

@@ -19,7 +19,10 @@ module MergeRequests
         update_state(assignee)
 
         if reviewer&.attention_requested? || assignee&.attention_requested?
+          create_attention_request_note
           notity_user
+        else
+          create_remove_attention_request_note
         end
 
         success
@@ -35,6 +38,14 @@ module MergeRequests
       todo_service.create_attention_requested_todo(merge_request, current_user, user)
     end
 
+    def create_attention_request_note
+      SystemNoteService.request_attention(merge_request, merge_request.project, current_user, user)
+    end
+
+    def create_remove_attention_request_note
+      SystemNoteService.remove_attention_request(merge_request, merge_request.project, current_user, user)
+    end
+
     def assignee
       merge_request.find_assignee(user)
     end

app/services/system_note_service.rb

@@ -115,6 +115,14 @@ module SystemNoteService
     ::SystemNotes::IssuablesService.new(noteable: noteable, project: project, author: author).change_status(status, source)
   end
 
+  def request_attention(noteable, project, author, user)
+    ::SystemNotes::IssuablesService.new(noteable: noteable, project: project, author: author).request_attention(user)
+  end
+
+  def remove_attention_request(noteable, project, author, user)
+    ::SystemNotes::IssuablesService.new(noteable: noteable, project: project, author: author).remove_attention_request(user)
+  end
+
   # Called when 'merge when pipeline succeeds' is executed
   def merge_when_pipeline_succeeds(noteable, project, author, sha)
     ::SystemNotes::MergeRequestsService.new(noteable: noteable, project: project, author: author).merge_when_pipeline_succeeds(sha)

app/services/system_notes/issuables_service.rb

@@ -323,23 +323,34 @@ module SystemNotes
       existing_mentions_for(mentioned_in, noteable, notes).exists?
     end
 
-    # Called when a Noteable has been marked as a duplicate of another Issue
+    # Called when a user's attention has been requested for a Notable
     #
-    # canonical_issue - Issue that this is a duplicate of
+    # user - User's whos attention has been requested
     #
     # Example Note text:
     #
-    #   "marked this issue as a duplicate of #1234"
-    #
-    #   "marked this issue as a duplicate of other_project#5678"
+    #   "requested attention from @eli.wisoky"
     #
     # Returns the created Note object
-    def mark_duplicate_issue(canonical_issue)
-      body = "marked this issue as a duplicate of #{canonical_issue.to_reference(project)}"
+    def request_attention(user)
+      body = "requested attention from #{user.to_reference}"
 
-      issue_activity_counter.track_issue_marked_as_duplicate_action(author: author) if noteable.is_a?(Issue)
+      create_note(NoteSummary.new(noteable, project, author, body, action: 'attention_requested'))
+    end
 
-      create_note(NoteSummary.new(noteable, project, author, body, action: 'duplicate'))
+    # Called when a user's attention request has been removed for a Notable
+    #
+    # user - User's whos attention request has been removed
+    #
+    # Example Note text:
+    #
+    #   "removed attention request from @eli.wisoky"
+    #
+    # Returns the created Note object
+    def remove_attention_request(user)
+      body = "removed attention request from #{user.to_reference}"
+
+      create_note(NoteSummary.new(noteable, project, author, body, action: 'attention_request_removed'))
     end
 
     # Called when a Noteable has been marked as the canonical Issue of a duplicate
@@ -358,6 +369,25 @@ module SystemNotes
       create_note(NoteSummary.new(noteable, project, author, body, action: 'duplicate'))
     end
 
+    # Called when a Noteable has been marked as a duplicate of another Issue
+    #
+    # canonical_issue - Issue that this is a duplicate of
+    #
+    # Example Note text:
+    #
+    #   "marked this issue as a duplicate of #1234"
+    #
+    #   "marked this issue as a duplicate of other_project#5678"
+    #
+    # Returns the created Note object
+    def mark_duplicate_issue(canonical_issue)
+      body = "marked this issue as a duplicate of #{canonical_issue.to_reference(project)}"
+
+      issue_activity_counter.track_issue_marked_as_duplicate_action(author: author) if noteable.is_a?(Issue)
+
+      create_note(NoteSummary.new(noteable, project, author, body, action: 'duplicate'))
+    end
+
     def add_email_participants(body)
       create_note(NoteSummary.new(noteable, project, author, body))
     end

spec/services/merge_requests/toggle_attention_requested_service_spec.rb

@@ -19,6 +19,8 @@ RSpec.describe MergeRequests::ToggleAttentionRequestedService do
     allow(NotificationService).to receive(:new) { notification_service }
     allow(service).to receive(:todo_service).and_return(todo_service)
     allow(service).to receive(:notification_service).and_return(notification_service)
+    allow(SystemNoteService).to receive(:request_attention)
+    allow(SystemNoteService).to receive(:remove_attention_request)
 
     project.add_developer(current_user)
     project.add_developer(user)
@@ -93,6 +95,12 @@ RSpec.describe MergeRequests::ToggleAttentionRequestedService do
 
         service.execute
       end
+
+      it 'creates a request attention system note' do
+        expect(SystemNoteService).to receive(:request_attention).with(merge_request, merge_request.project, current_user, assignee_user)
+
+        service.execute
+      end
     end
 
     context 'assignee is the same as reviewer' do
@@ -132,6 +140,12 @@ RSpec.describe MergeRequests::ToggleAttentionRequestedService do
 
         service.execute
       end
+
+      it 'creates a remove attention request system note' do
+        expect(SystemNoteService).to receive(:remove_attention_request).with(merge_request, merge_request.project, current_user, user)
+
+        service.execute
+      end
     end
   end
 end

spec/services/system_note_service_spec.rb

@@ -146,6 +146,30 @@ RSpec.describe SystemNoteService do
     end
   end
 
+  describe '.request_attention' do
+    let(:user) { double }
+
+    it 'calls IssuableService' do
+      expect_next_instance_of(::SystemNotes::IssuablesService) do |service|
+        expect(service).to receive(:request_attention).with(user)
+      end
+
+      described_class.request_attention(noteable, project, author, user)
+    end
+  end
+
+  describe '.remove_attention_request' do
+    let(:user) { double }
+
+    it 'calls IssuableService' do
+      expect_next_instance_of(::SystemNotes::IssuablesService) do |service|
+        expect(service).to receive(:remove_attention_request).with(user)
+      end
+
+      described_class.remove_attention_request(noteable, project, author, user)
+    end
+  end
+
   describe '.merge_when_pipeline_succeeds' do
     it 'calls MergeRequestsService' do
       sha = double

spec/services/system_notes/issuables_service_spec.rb

@@ -199,6 +199,42 @@ RSpec.describe ::SystemNotes::IssuablesService do
     end
   end
 
+  describe '#request_attention' do
+    subject { service.request_attention(user) }
+
+    let(:user) { create(:user) }
+
+    it_behaves_like 'a system note' do
+      let(:action) { 'attention_requested' }
+    end
+
+    context 'when attention requested' do
+      it_behaves_like 'a note with overridable created_at'
+
+      it 'sets the note text' do
+        expect(subject.note).to eq "requested attention from @#{user.username}"
+      end
+    end
+  end
+
+  describe '#remove_attention_request' do
+    subject { service.remove_attention_request(user) }
+
+    let(:user) { create(:user) }
+
+    it_behaves_like 'a system note' do
+      let(:action) { 'attention_request_removed' }
+    end
+
+    context 'when attention request is removed' do
+      it_behaves_like 'a note with overridable created_at'
+
+      it 'sets the note text' do
+        expect(subject.note).to eq "removed attention request from @#{user.username}"
+      end
+    end
+  end
+
   describe '#change_title' do
     let(:noteable) { create(:issue, project: project, title: 'Lorem ipsum') }