Remove marketing email opt-in for self-managed

Self-managed instances do not need to have an explicit
opt-in for in product marketing emails on self-managed.

This is because the data is never shared outside of the
instance, the admin can control the emails, and users
can opt-out of the notifications.

Changelog: removed

app/controllers/registrations/welcome_controller.rb

@@ -41,7 +41,7 @@ module Registrations
     end
 
     def update_params
-      params.require(:user).permit(:role, :other_role, :setup_for_company, :email_opted_in)
+      params.require(:user).permit(:role, :other_role, :setup_for_company)
     end
 
     def requires_confirmation?(user)

app/views/devise/shared/_email_opted_in.html.haml

-- is_hidden = local_assigns.fetch(:hidden, Gitlab.dev_env_or_com?)
+- return unless Gitlab.dev_env_or_com?
 
-.gl-mb-3.js-email-opt-in{ class: is_hidden ? 'hidden' : '' }
+.gl-mb-3.js-email-opt-in.hidden
   .gl-font-weight-bold.gl-mb-3
     = _('Email updates (optional)')
   = f.check_box :email_opted_in

ee/app/controllers/ee/registrations/welcome_controller.rb

@@ -38,7 +38,7 @@ module EE
 
       override :update_params
       def update_params
-        clean_params = super
+        clean_params = super.merge(params.require(:user).permit(:email_opted_in))
 
         return clean_params unless ::Gitlab.dev_env_or_com?
 

ee/spec/views/registrations/welcome/show.html.haml_spec.rb

@@ -5,16 +5,20 @@ require 'spec_helper'
 RSpec.describe 'registrations/welcome/show' do
   using RSpec::Parameterized::TableSyntax
 
-  describe 'forms and progress bar' do
   let_it_be(:user) { create(:user) }
+
+  before do
+    allow(view).to receive(:current_user).and_return(user)
+    allow(Gitlab).to receive(:com?).and_return(true)
+  end
+
+  describe 'forms and progress bar' do
     let_it_be(:user_other_role_details_enabled) { false }
     let_it_be(:stubbed_experiments) { {} }
 
     before do
-      allow(view).to receive(:current_user).and_return(user)
       allow(view).to receive(:redirect_path).and_return(redirect_path)
       allow(view).to receive(:signup_onboarding_enabled?).and_return(signup_onboarding_enabled)
-      allow(Gitlab).to receive(:com?).and_return(true)
       stub_feature_flags(user_other_role_details: user_other_role_details_enabled)
       stub_experiments(stubbed_experiments)
 
@@ -78,4 +82,11 @@ RSpec.describe 'registrations/welcome/show' do
       is_expected.not_to have_selector('#progress-bar')
     end
   end
+
+  context 'rendering the hidden email opt in checkbox' do
+    subject { render }
+
+    it { is_expected.to have_selector('input[name="user[email_opted_in]"]') }
+    it { is_expected.to have_css('.js-email-opt-in.hidden') }
+  end
 end

spec/controllers/registrations/welcome_controller_spec.rb

@@ -60,10 +60,8 @@ RSpec.describe Registrations::WelcomeController do
   end
 
   describe '#update' do
-    let(:email_opted_in) { '0' }
-
     subject(:update) do
-      patch :update, params: { user: { role: 'software_developer', setup_for_company: 'false', email_opted_in: email_opted_in } }
+      patch :update, params: { user: { role: 'software_developer', setup_for_company: 'false' } }
     end
 
     context 'without a signed in user' do
@@ -100,24 +98,6 @@ RSpec.describe Registrations::WelcomeController do
           end
         end
       end
-
-      context 'when the user opted in' do
-        let(:email_opted_in) { '1' }
-
-        it 'sets the email_opted_in field' do
-          subject
-
-          expect(controller.current_user.email_opted_in).to eq(true)
-        end
-      end
-
-      context 'when the user opted out' do
-        it 'sets the email_opted_in field' do
-          subject
-
-          expect(controller.current_user.email_opted_in).to eq(false)
-        end
-      end
     end
   end
 end

spec/features/registrations/welcome_spec.rb

-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe 'Welcome screen' do
-  let(:user) { create(:user) }
-
-  before do
-    gitlab_sign_in(user)
-
-    visit users_sign_up_welcome_path
-  end
-
-  it 'shows the email opt in' do
-    select 'Software Developer', from: 'user_role'
-    check 'user_email_opted_in'
-    click_button 'Get started!'
-
-    expect(user.reload.email_opted_in).to eq(true)
-  end
-end

spec/views/registrations/welcome/show.html.haml_spec.rb

@@ -3,8 +3,6 @@
 require 'spec_helper'
 
 RSpec.describe 'registrations/welcome/show' do
-  let(:is_gitlab_com) { false }
-
   let_it_be(:user) { create(:user) }
 
   before do
@@ -13,7 +11,6 @@ RSpec.describe 'registrations/welcome/show' do
     allow(view).to receive(:in_trial_flow?).and_return(false)
     allow(view).to receive(:user_has_memberships?).and_return(false)
     allow(view).to receive(:in_oauth_flow?).and_return(false)
-    allow(Gitlab).to receive(:com?).and_return(is_gitlab_com)
 
     render
   end
@@ -22,24 +19,5 @@ RSpec.describe 'registrations/welcome/show' do
 
   it { is_expected.not_to have_selector('label[for="user_setup_for_company"]') }
   it { is_expected.to have_button('Get started!') }
-  it { is_expected.to have_selector('input[name="user[email_opted_in]"]') }
-
-  describe 'email opt in' do
-    context 'when on gitlab.com' do
-      let(:is_gitlab_com) { true }
-
-      it 'hides the email-opt in by default' do
-        expect(subject).to have_css('.js-email-opt-in.hidden')
-      end
-    end
-
-    context 'when not on gitlab.com' do
-      let(:is_gitlab_com) { false }
-
-      it 'hides the email-opt in by default' do
-        expect(subject).not_to have_css('.js-email-opt-in.hidden')
-        expect(subject).to have_css('.js-email-opt-in')
-      end
-    end
-  end
+  it { is_expected.not_to have_selector('input[name="user[email_opted_in]"]') }
 end