Add invite members to quick links

- experimentation.

app/helpers/invite_members_helper.rb

@@ -22,4 +22,34 @@ module InviteMembersHelper
   def invite_group_members?(group)
     experiment_enabled?(:invite_members_empty_group_version_a) && Ability.allowed?(current_user, :admin_group_member, group)
   end
+
+  def dropdown_invite_members_link(form_model)
+    link_to invite_members_url(form_model),
+            data: {
+              'track-event': 'click_link',
+              'track-label': tracking_label(current_user),
+              'track-property': experiment_tracking_category_and_group(:invite_members_new_dropdown, subject: current_user)
+            } do
+      invite_member_link_content
+    end
+  end
+
+  private
+
+  def invite_members_url(form_model)
+    case form_model
+    when Project
+      project_project_members_path(form_model)
+    when Group
+      group_group_members_path(form_model)
+    end
+  end
+
+  def invite_member_link_content
+    text = s_('InviteMember|Invite members')
+
+    return text unless experiment_enabled?(:invite_members_new_dropdown)
+
+    "#{text} #{emoji_icon('shaking_hands', 'aria-hidden': true, class: 'gl-font-base gl-vertical-align-baseline')}".html_safe
+  end
 end

app/views/layouts/header/_group_invite_members_new_dropdown_item.html.haml

+- return unless Gitlab::Experimentation.active?(:invite_members_new_dropdown) && can?(current_user, :admin_group_member, @group)
+
+%li= dropdown_invite_members_link(@group)

app/views/layouts/header/_new_dropdown.haml

@@ -2,7 +2,7 @@
   = link_to new_project_path, class: "header-new-dropdown-toggle has-tooltip qa-new-menu-toggle", id: "js-onboarding-new-project-link", title: _("New..."), ref: 'tooltip', aria: { label: _("New...") }, data: { toggle: 'dropdown', placement: 'bottom', container: 'body', display: 'static' } do
     = sprite_icon('plus-square')
     = sprite_icon('chevron-down', css_class: 'caret-down')
-  .dropdown-menu.dropdown-menu-right
+  .dropdown-menu.dropdown-menu-right.dropdown-extended-height
     %ul
       - if @group&.persisted?
         - create_group_project = can?(current_user, :create_projects, @group)
@@ -16,6 +16,7 @@
           - if create_group_subgroup
             %li= link_to _('New subgroup'), new_group_path(parent_id: @group.id)
           = render_if_exists 'layouts/header/create_epic_new_dropdown_item'
+          = render 'layouts/header/group_invite_members_new_dropdown_item'
           %li.divider
           %li.dropdown-bold-header GitLab
 
@@ -33,6 +34,7 @@
             %li= link_to _('New merge request'), project_new_merge_request_path(merge_project)
           - if create_project_snippet
             %li= link_to _('New snippet'), new_project_snippet_path(@project)
+          = render 'layouts/header/project_invite_members_new_dropdown_item'
           %li.divider
           %li.dropdown-bold-header GitLab
       - if current_user.can_create_project?

app/views/layouts/header/_project_invite_members_new_dropdown_item.html.haml

+- return unless Gitlab::Experimentation.active?(:invite_members_new_dropdown) && can_import_members?
+
+%li= dropdown_invite_members_link(@project)

ee/spec/views/layouts/header/_new_dropdown.haml_spec.rb

@@ -3,10 +3,10 @@
 require 'spec_helper'
 
 RSpec.describe 'layouts/header/_new_dropdown' do
-  let(:user) { create(:user) }
+  let_it_be(:user) { create(:user) }
 
   context 'group-specific links' do
-    let(:group) { create(:group) }
+    let_it_be(:group) { create(:group) }
 
     before do
       allow(view).to receive(:current_user).and_return(user)
@@ -17,10 +17,7 @@ RSpec.describe 'layouts/header/_new_dropdown' do
     it 'does not have "New epic" link' do
       render
 
-      expect(rendered).not_to have_link(
-        'New epic',
-        href: new_group_epic_path(group)
-      )
+      expect(rendered).not_to have_link('New epic', href: new_group_epic_path(group))
     end
 
     context 'as a Group owner' do
@@ -36,10 +33,7 @@ RSpec.describe 'layouts/header/_new_dropdown' do
         it 'has a "New epic" link' do
           render
 
-          expect(rendered).to have_link(
-            'New epic',
-            href: new_group_epic_path(group)
-          )
+          expect(rendered).to have_link('New epic', href: new_group_epic_path(group))
         end
       end
     end

lib/gitlab/experimentation.rb

@@ -96,6 +96,9 @@ module Gitlab
       },
       pipelines_empty_state: {
         tracking_category: 'Growth::Activation::Experiment::PipelinesEmptyState'
+      },
+      invite_members_new_dropdown: {
+        tracking_category: 'Growth::Expansion::Experiment::InviteMembersNewDropdown'
       }
     }.freeze
 

lib/gitlab/experimentation/controller_concern.rb

@@ -15,7 +15,7 @@ module Gitlab
 
       included do
         before_action :set_experimentation_subject_id_cookie, unless: :dnt_enabled?
-        helper_method :experiment_enabled?, :experiment_tracking_category_and_group
+        helper_method :experiment_enabled?, :experiment_tracking_category_and_group, :tracking_label
       end
 
       def set_experimentation_subject_id_cookie

spec/controllers/projects_controller_spec.rb

@@ -232,7 +232,7 @@ RSpec.describe ProjectsController do
       before do
         sign_in(user)
 
-        allow(controller).to receive(:record_experiment_user).with(:invite_members_empty_project_version_a)
+        allow(controller).to receive(:record_experiment_user)
       end
 
       User.project_views.keys.each do |project_view|

spec/helpers/invite_members_helper_spec.rb

@@ -114,4 +114,69 @@ RSpec.describe InviteMembersHelper do
       end
     end
   end
+
+  describe '#dropdown_invite_members_link' do
+    shared_examples_for 'dropdown invite members link' do
+      let(:link_regex) do
+        /data-track-event="click_link".*data-track-property="_track_property_".*Invite members/
+      end
+
+      before do
+        allow(helper).to receive(:experiment_tracking_category_and_group) { '_track_property_' }
+        allow(helper).to receive(:tracking_label).with(owner)
+        allow(helper).to receive(:current_user) { owner }
+      end
+
+      it 'records the experiment' do
+        allow(helper).to receive(:experiment_enabled?)
+
+        helper.dropdown_invite_members_link(form_model)
+
+        expect(helper).to have_received(:experiment_tracking_category_and_group)
+                            .with(:invite_members_new_dropdown, subject: owner)
+      end
+
+      context 'with experiment enabled' do
+        before do
+          allow(helper).to receive(:experiment_enabled?).with(:invite_members_new_dropdown) { true }
+        end
+
+        it 'returns link' do
+          link = helper.dropdown_invite_members_link(form_model)
+
+          expect(link).to match(link_regex)
+          expect(link).to include(link_href)
+          expect(link).to include('gl-emoji')
+        end
+      end
+
+      context 'with no experiment enabled' do
+        before do
+          allow(helper).to receive(:experiment_enabled?).with(:invite_members_new_dropdown) { false }
+        end
+
+        it 'returns link' do
+          link = helper.dropdown_invite_members_link(form_model)
+
+          expect(link).to match(link_regex)
+          expect(link).to include(link_href)
+          expect(link).not_to include('gl-emoji')
+        end
+      end
+    end
+
+    context 'with a project' do
+      let_it_be(:form_model) { project }
+      let(:link_href) { "href=\"#{project_project_members_path(form_model)}\"" }
+
+      it_behaves_like 'dropdown invite members link'
+    end
+
+    context 'with a group' do
+      let_it_be(:form_model) { create(:group) }
+      let(:link_href) { "href=\"#{group_group_members_path(form_model)}\"" }
+
+      it_behaves_like 'dropdown invite members link'
+    end
+  end
 end

spec/views/layouts/header/_new_dropdown.haml_spec.rb

@@ -3,10 +3,42 @@
 require 'spec_helper'
 
 RSpec.describe 'layouts/header/_new_dropdown' do
-  let(:user) { create(:user) }
+  let_it_be(:user) { create(:user) }
+
+  shared_examples_for 'invite member quick link' do
+    context 'when an experiment is active' do
+      before do
+        allow(Gitlab::Experimentation).to receive(:active?).and_return(true)
+        allow(view).to receive(:experiment_tracking_category_and_group)
+        allow(view).to receive(:tracking_label).with(user)
+      end
+
+      context 'with ability to invite members' do
+        it { is_expected.to have_link('Invite members', href: href) }
+
+        it 'records the experiment' do
+          subject
+
+          expect(view).to have_received(:experiment_tracking_category_and_group)
+                            .with(:invite_members_new_dropdown, subject: user)
+          expect(view).to have_received(:tracking_label).with(user)
+        end
+      end
+
+      context 'without ability to invite members' do
+        let(:invite_member) { false }
+
+        it { is_expected.not_to have_link('Invite members') }
+      end
+    end
+
+    context 'when experiment is not active' do
+      it { is_expected.not_to have_link('Invite members') }
+    end
+  end
 
   context 'group-specific links' do
-    let(:group) { create(:group) }
+    let_it_be(:group) { create(:group) }
 
     before do
       stub_current_user(user)
@@ -22,25 +54,39 @@ RSpec.describe 'layouts/header/_new_dropdown' do
       it 'has a "New project" link' do
         render
 
-        expect(rendered).to have_link(
-          'New project',
-          href: new_project_path(namespace_id: group.id)
-        )
+        expect(rendered).to have_link('New project', href: new_project_path(namespace_id: group.id))
       end
 
       it 'has a "New subgroup" link' do
         render
 
-        expect(rendered).to have_link(
-          'New subgroup',
-          href: new_group_path(parent_id: group.id)
-        )
+        expect(rendered).to have_link('New subgroup', href: new_group_path(parent_id: group.id))
       end
     end
+
+    describe 'invite members quick link' do
+      let(:href) { group_group_members_path(group) }
+      let(:invite_member) { true }
+
+      before do
+        allow(view).to receive(:can?).with(user, :create_projects, group).and_return(true)
+        allow(view).to receive(:can?).with(user, :admin_group_member, group).and_return(invite_member)
+        allow(view).to receive(:can_import_members?).and_return(invite_member)
+        allow(view).to receive(:experiment_enabled?)
+      end
+
+      subject do
+        render
+
+        rendered
+      end
+
+      it_behaves_like 'invite member quick link'
+    end
   end
 
   context 'project-specific links' do
-    let(:project) { create(:project, creator: user, namespace: user.namespace) }
+    let_it_be(:project) { create(:project, creator: user, namespace: user.namespace) }
 
     before do
       assign(:project, project)
@@ -54,33 +100,24 @@ RSpec.describe 'layouts/header/_new_dropdown' do
       it 'has a "New issue" link' do
         render
 
-        expect(rendered).to have_link(
-          'New issue',
-          href: new_project_issue_path(project)
-        )
+        expect(rendered).to have_link('New issue', href: new_project_issue_path(project))
       end
 
       it 'has a "New merge request" link' do
         render
 
-        expect(rendered).to have_link(
-          'New merge request',
-          href: project_new_merge_request_path(project)
-        )
+        expect(rendered).to have_link('New merge request', href: project_new_merge_request_path(project))
       end
 
       it 'has a "New snippet" link' do
         render
 
-        expect(rendered).to have_link(
-          'New snippet',
-          href: new_project_snippet_path(project)
-        )
+        expect(rendered).to have_link('New snippet', href: new_project_snippet_path(project))
       end
     end
 
     context 'as a Project guest' do
-      let(:guest) { create(:user) }
+      let_it_be(:guest) { create(:user) }
 
       before do
         stub_current_user(guest)
@@ -96,12 +133,28 @@ RSpec.describe 'layouts/header/_new_dropdown' do
       it 'has no "New snippet" link' do
         render
 
-        expect(rendered).not_to have_link(
-          'New snippet',
-          href: new_project_snippet_path(project)
-        )
+        expect(rendered).not_to have_link('New snippet', href: new_project_snippet_path(project))
       end
     end
+
+    describe 'invite members quick link' do
+      let(:invite_member) { true }
+      let(:href) { project_project_members_path(project) }
+
+      before do
+        allow(view).to receive(:can_import_members?).and_return(invite_member)
+        stub_current_user(user)
+        allow(view).to receive(:experiment_enabled?)
+      end
+
+      subject do
+        render
+
+        rendered
+      end
+
+      it_behaves_like 'invite member quick link'
+    end
   end
 
   context 'global links' do
@@ -128,7 +181,7 @@ RSpec.describe 'layouts/header/_new_dropdown' do
     end
 
     context 'when the user is not allowed to create snippets' do
-      let(:user) { create(:user, :external)}
+      let(:user) { create(:user, :external) }
 
       it 'has no "New snippet" link' do
         render