Use parent instead of project

Add support for group entities to quick actions

app/models/note.rb

@@ -456,6 +456,10 @@ class Note < ActiveRecord::Base
     Upload.find_by(model: self, path: paths)
   end
+  def parent
+    project
+  end
+
   private
   def keep_around_commit

app/services/notes/quick_actions_service.rb

@@ -31,7 +31,7 @@ module Notes
       return if command_params.empty?
       return unless supported?(note)
-      self.class.noteable_update_service(note).new(project, current_user, command_params).execute(note.noteable)
+      self.class.noteable_update_service(note).new(note.parent, current_user, command_params).execute(note.noteable)
     end
   end
 end

app/services/quick_actions/interpret_service.rb

@@ -2,6 +2,7 @@
 module QuickActions
   class InterpretService < BaseService
+    include Gitlab::Utils::StrongMemoize
     include Gitlab::QuickActions::Dsl
     attr_reader :issuable
@@ -210,15 +211,9 @@ module QuickActions
     end
     params '~label1 ~"label 2"'
     condition do
-      if project
-        available_labels = LabelsFinder
-          .new(current_user, project_id: project.id, include_ancestor_groups: true)
-          .execute
-      end
-
-      project &&
-        current_user.can?(:"admin_#{issuable.to_ability_name}", project) &&
-        available_labels.any?
+      parent &&
+        current_user.can?(:"admin_#{issuable.to_ability_name}", parent) &&
+        find_labels.any?
     end
     command :label do |labels_param|
       label_ids = find_label_ids(labels_param)
@@ -245,7 +240,7 @@ module QuickActions
       issuable.is_a?(Issuable) &&
         issuable.persisted? &&
         issuable.labels.any? &&
-        current_user.can?(:"admin_#{issuable.to_ability_name}", project)
+        current_user.can?(:"admin_#{issuable.to_ability_name}", parent)
     end
     command :unlabel do |labels_param = nil|
       if labels_param.present?
@@ -674,9 +669,25 @@ module QuickActions
       MilestonesFinder.new(params.merge(project_ids: [project.id], group_ids: [project.group&.id])).execute
     end
-    def find_labels(labels_param)
-      extract_references(labels_param, :label) |
-        LabelsFinder.new(current_user, project_id: project.id, name: labels_param.split, include_ancestor_groups: true).execute
+    def parent
+      project || group
+    end
+
+    def group
+      strong_memoize(:group) do
+        issuable.group if issuable.respond_to?(:group)
+      end
+    end
+
+    def find_labels(labels_params = nil)
+      finder_params = { include_ancestor_groups: true }
+      finder_params[:project_id] = project.id if project
+      finder_params[:group_id] = group.id if group
+      finder_params[:name] = labels_params.split if labels_params
+
+      result = LabelsFinder.new(current_user, finder_params).execute
+
+      extract_references(labels_params, :label) | result
     end
     def find_label_references(labels_param)
@@ -707,9 +718,11 @@ module QuickActions
     # rubocop: disable CodeReuse/ActiveRecord
     def extract_references(arg, type)
+      return [] unless arg
+
       ext = Gitlab::ReferenceExtractor.new(project, current_user)
-      ext.analyze(arg, author: current_user)
+      ext.analyze(arg, author: current_user, group: group)
       ext.references(type)
     end

spec/models/note_spec.rb

@@ -890,4 +890,19 @@ describe Note do
       end
     end
   end
+
+  describe '#parent' do
+    it 'returns project for project notes' do
+      project = create(:project)
+      note = create(:note_on_issue, project: project)
+
+      expect(note.parent).to eq(project)
+    end
+
+    it 'returns nil for personal snippet note' do
+      note = create(:note_on_personal_snippet)
+
+      expect(note.parent).to be_nil
+    end
+  end
 end