Add invite members to empty group page

- for experimenting if that gets used.

app/controllers/groups_controller.rb

@@ -193,6 +193,8 @@ class GroupsController < Groups::ApplicationController
   protected
 
   def render_show_html
+    record_experiment_user(:invite_members_empty_group_version_a) if ::Gitlab.com?
+
     render 'groups/show', locals: { trial: params[:trial] }
   end
 

app/helpers/invite_members_helper.rb

@@ -18,4 +18,8 @@ module InviteMembersHelper
       experiment_enabled?(:invite_members_version_b) && !can_import_members?
     end
   end
+
+  def invite_group_members?(group)
+    experiment_enabled?(:invite_members_empty_group_version_a) && Ability.allowed?(current_user, :admin_group_member, group)
+  end
 end

app/views/dashboard/groups/index.html.haml

@@ -6,6 +6,7 @@
 = render 'dashboard/groups_head'
 
 - if params[:filter].blank? && @groups.empty?
-  = render 'shared/groups/empty_state'
+  .empty-state
+    = render 'shared/groups/empty_state'
 - else
   = render 'groups'

app/views/shared/groups/_empty_state.html.haml

-.group-empty-state.row.align-items-center.justify-content-center
-  .icon.text-center.order-md-2
+.row.gl-align-items-center.gl-justify-content-center
+  .order-md-2
     = custom_icon("icon_empty_groups")
 
-  .text-content.m-0.order-md-1
+  .text-content.order-md-1{ class: 'gl-m-0!' }
     %h4= s_("GroupsEmptyState|A group is a collection of several projects.")
     %p= s_("GroupsEmptyState|If you organize your projects under a group, it works like a folder.")
     %p= s_("GroupsEmptyState|You can manage your group member’s permissions and access to each project in the group.")
+    - if invite_group_members?(@group)
+      = link_to _('Invite your team'),
+        group_group_members_path(@group),
+        class: 'gl-button btn btn-success-secondary',
+        data: { track_event: 'click_invite_team_group_empty_state', track_label: 'invite_team_group_empty_state' }

lib/gitlab/experimentation.rb

@@ -51,6 +51,9 @@ module Gitlab
       invite_members_version_b: {
         tracking_category: 'Growth::Expansion::Experiment::InviteMembersVersionB'
       },
+      invite_members_empty_group_version_a: {
+        tracking_category: 'Growth::Expansion::Experiment::InviteMembersEmptyGroupVersionA'
+      },
       new_create_project_ui: {
         tracking_category: 'Manage::Import::Experiment::NewCreateProjectUi'
       },

locale/gitlab.pot

@@ -14398,6 +14398,9 @@ msgstr ""
 msgid "Invite teammates (optional)"
 msgstr ""
 
+msgid "Invite your team"
+msgstr ""
+
 msgid "InviteEmail|%{inviter} invited you to join the %{project_or_group_name} %{project_or_group} as a %{role}"
 msgstr ""
 

spec/helpers/invite_members_helper_spec.rb

@@ -7,70 +7,110 @@ RSpec.describe InviteMembersHelper do
   let_it_be(:developer) { create(:user, developer_projects: [project]) }
   let(:owner) { project.owner }
 
-  before do
-    assign(:project, project)
-  end
+  context 'with project' do
+    before do
+      assign(:project, project)
+    end
 
-  describe "#directly_invite_members?" do
-    context 'when the user is an owner' do
-      before do
-        allow(helper).to receive(:current_user) { owner }
-      end
+    describe "#directly_invite_members?" do
+      context 'when the user is an owner' do
+        before do
+          allow(helper).to receive(:current_user) { owner }
+        end
+
+        it 'returns false' do
+          allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_a) { false }
 
-      it 'returns false' do
-        allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_a) { false }
+          expect(helper.directly_invite_members?).to eq false
+        end
 
-        expect(helper.directly_invite_members?).to eq false
+        it 'returns true' do
+          allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_a) { true }
+
+          expect(helper.directly_invite_members?).to eq true
+        end
       end
 
-      it 'returns true' do
-        allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_a) { true }
+      context 'when the user is a developer' do
+        before do
+          allow(helper).to receive(:current_user) { developer }
+        end
+
+        it 'returns false' do
+          allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_a) { true }
 
-        expect(helper.directly_invite_members?).to eq true
+          expect(helper.directly_invite_members?).to eq false
+        end
       end
     end
 
-    context 'when the user is a developer' do
-      before do
-        allow(helper).to receive(:current_user) { developer }
+    describe "#indirectly_invite_members?" do
+      context 'when a user is a developer' do
+        before do
+          allow(helper).to receive(:current_user) { developer }
+        end
+
+        it 'returns false' do
+          allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_b) { false }
+
+          expect(helper.indirectly_invite_members?).to eq false
+        end
+
+        it 'returns true' do
+          allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_b) { true }
+
+          expect(helper.indirectly_invite_members?).to eq true
+        end
       end
 
-      it 'returns false' do
-        allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_a) { true }
+      context 'when a user is an owner' do
+        before do
+          allow(helper).to receive(:current_user) { owner }
+        end
 
-        expect(helper.directly_invite_members?).to eq false
+        it 'returns false' do
+          allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_b) { true }
+
+          expect(helper.indirectly_invite_members?).to eq false
+        end
       end
     end
   end
 
-  describe "#indirectly_invite_members?" do
-    context 'when a user is a developer' do
-      before do
-        allow(helper).to receive(:current_user) { developer }
-      end
+  context 'with group' do
+    let_it_be(:group) { create(:group) }
 
-      it 'returns false' do
-        allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_b) { false }
+    describe "#invite_group_members?" do
+      context 'when the user is an owner' do
+        before do
+          group.add_owner(owner)
+          allow(helper).to receive(:current_user) { owner }
+        end
 
-        expect(helper.indirectly_invite_members?).to eq false
-      end
+        it 'returns false' do
+          allow(helper).to receive(:experiment_enabled?).with(:invite_members_empty_group_version_a) { false }
 
-      it 'returns true' do
-        allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_b) { true }
+          expect(helper.invite_group_members?(group)).to eq false
+        end
 
-        expect(helper.indirectly_invite_members?).to eq true
-      end
-    end
+        it 'returns true' do
+          allow(helper).to receive(:experiment_enabled?).with(:invite_members_empty_group_version_a) { true }
 
-    context 'when a user is an owner' do
-      before do
-        allow(helper).to receive(:current_user) { owner }
+          expect(helper.invite_group_members?(group)).to eq true
+        end
       end
 
-      it 'returns false' do
-        allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_b) { true }
+      context 'when the user is a developer' do
+        before do
+          group.add_developer(developer)
+          allow(helper).to receive(:current_user) { developer }
+        end
+
+        it 'returns false' do
+          allow(helper).to receive(:experiment_enabled?).with(:invite_members_empty_group_version_a) { true }
 
-        expect(helper.indirectly_invite_members?).to eq false
+          expect(helper.invite_group_members?(group)).to eq false
+        end
       end
     end
   end