Extracted Admin E-mail notification code from EE to core

Changelog: changed

app/controllers/users/unsubscribes_controller.rb

+# frozen_string_literal: true
+
+module Users
+  class UnsubscribesController < ApplicationController
+    skip_before_action :authenticate_user!
+
+    feature_category :users
+
+    def show
+      @user = get_user
+    end
+
+    def create
+      @user = get_user
+
+      if @user
+        @user.admin_unsubscribe!
+        Notify.send_unsubscribed_notification(@user.id).deliver_later
+      end
+
+      redirect_to new_user_session_path, notice: 'You have been unsubscribed'
+    end
+
+    protected
+
+    # rubocop: disable CodeReuse/ActiveRecord
+    def get_user
+      @email = Base64.urlsafe_decode64(params[:email])
+      User.find_by(email: @email)
+    end
+    # rubocop: enable CodeReuse/ActiveRecord
+  end
+end

app/mailers/notify.rb

@@ -22,6 +22,7 @@ class Notify < ApplicationMailer
   include Emails::Reviews
   include Emails::ServiceDesk
   include Emails::InProductMarketing
+  include Emails::AdminNotification
 
   helper TimeboxesHelper
   helper MergeRequestsHelper

app/models/user.rb

@@ -1305,6 +1305,10 @@ class User < ApplicationRecord
     save if notification_email_changed? || public_email_changed? || commit_email_changed?
   end
 
+  def admin_unsubscribe!
+    update_column :admin_email_unsubscribed_at, Time.current
+  end
+
   def set_projects_limit
     # `User.select(:id)` raises
     # `ActiveModel::MissingAttributeError: missing attribute: projects_limit`

config/routes/user.rb

 # frozen_string_literal: true
 
+get  'unsubscribes/:email', to: 'users/unsubscribes#show', as: :unsubscribe
+post 'unsubscribes/:email', to: 'users/unsubscribes#create'
+
 # Allows individual providers to be directed to a chosen controller
 # Call from inside devise_scope
 def override_omniauth(provider, controller, path_prefix = '/users/auth')

ee/app/controllers/unsubscribes_controller.rb

-# frozen_string_literal: true
-
-class UnsubscribesController < ApplicationController
-  skip_before_action :authenticate_user!
-
-  feature_category :users
-
-  def show
-    @user = get_user
-  end
-
-  def create
-    @user = get_user
-    if @user
-      @user.admin_unsubscribe!
-      Notify.send_unsubscribed_notification(@user.id).deliver_later
-    end
-
-    redirect_to new_user_session_path, notice: 'You have been unsubscribed'
-  end
-
-  protected
-
-  # rubocop: disable CodeReuse/ActiveRecord
-  def get_user
-    @email = Base64.urlsafe_decode64(params[:email])
-    User.find_by(email: @email)
-  end
-  # rubocop: enable CodeReuse/ActiveRecord
-end

ee/app/mailers/ee/notify.rb

@@ -9,7 +9,6 @@ module EE
     # interaction between ActiveSupport::Concern and ActionMailer::Base
     # See https://gitlab.com/gitlab-org/gitlab/issues/7846
     prepended do
-      include ::Emails::AdminNotification
       include ::Emails::Epics
       include ::Emails::Requirements
       include ::Emails::UserCap

ee/app/models/ee/user.rb

@@ -308,10 +308,6 @@ module EE
       ::Gitlab.config.ldap['sync_time']
     end
 
-    def admin_unsubscribe!
-      update_column :admin_email_unsubscribed_at, Time.current
-    end
-
     override :allow_password_authentication_for_web?
     def allow_password_authentication_for_web?(*)
       return false if group_managed_account?

ee/config/routes/user.rb

 # frozen_string_literal: true
 
-get  'unsubscribes/:email', to: 'unsubscribes#show', as: :unsubscribe
-post 'unsubscribes/:email', to: 'unsubscribes#create'
-
 devise_scope :user do
   get '/users/auth/kerberos_spnego/negotiate' => 'omniauth_kerberos_spnego#negotiate'
 end

ee/spec/mailers/notify_spec.rb

@@ -347,32 +347,6 @@ RSpec.describe Notify do
     end
   end
 
-  describe 'admin notification' do
-    let(:example_site_path) { root_path }
-    let(:user) { create(:user) }
-
-    subject { @email = described_class.send_admin_notification(user.id, 'Admin announcement', 'Text') }
-
-    it 'is sent as the author' do
-      sender = subject.header[:from].addrs[0]
-      expect(sender.display_name).to eq("GitLab")
-      expect(sender.address).to eq(gitlab_sender)
-    end
-
-    it 'is sent to recipient' do
-      is_expected.to deliver_to user.email
-    end
-
-    it 'has the correct subject' do
-      is_expected.to have_subject 'Admin announcement'
-    end
-
-    it 'includes unsubscribe link' do
-      unsubscribe_link = "http://localhost/unsubscribes/#{Base64.urlsafe_encode64(user.email)}"
-      is_expected.to have_body_text(unsubscribe_link)
-    end
-  end
-
   describe 'new user was created via saml' do
     let(:group_member) { create(:group_member, user: create(:user, :unconfirmed)) }
     let(:group) { group_member.source }

ee/spec/controllers/unsubscribes_controller_spec.rb → spec/controllers/users/unsubscribes_controller_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe UnsubscribesController do
+RSpec.describe Users::UnsubscribesController do
   let!(:user) { create :user, email: 'me@example.com' }
 
   describe "show" do

spec/mailers/notify_spec.rb

@@ -1609,6 +1609,32 @@ RSpec.describe Notify do
         end
       end
     end
+
+    describe 'admin notification' do
+      let(:example_site_path) { root_path }
+      let(:user) { create(:user) }
+
+      subject { @email = described_class.send_admin_notification(user.id, 'Admin announcement', 'Text') }
+
+      it 'is sent as the author' do
+        sender = subject.header[:from].addrs[0]
+        expect(sender.display_name).to eq("GitLab")
+        expect(sender.address).to eq(gitlab_sender)
+      end
+
+      it 'is sent to recipient' do
+        is_expected.to deliver_to user.email
+      end
+
+      it 'has the correct subject' do
+        is_expected.to have_subject 'Admin announcement'
+      end
+
+      it 'includes unsubscribe link' do
+        unsubscribe_link = "http://localhost/unsubscribes/#{Base64.urlsafe_encode64(user.email)}"
+        is_expected.to have_body_text(unsubscribe_link)
+      end
+    end
   end
 
   describe 'confirmation if email changed' do