Email user when account deactivated

app/mailers/emails/profile.rb

@@ -26,6 +26,14 @@ module Emails
         subject: subject(_("GitLab account request rejected")))
     end
 
+    def user_deactivated_email(name, email)
+      @name = name
+
+      profile_email_with_layout(
+        to: email,
+        subject: subject(_('Your account has been deactivated')))
+    end
+
     # rubocop: disable CodeReuse/ActiveRecord
     def new_ssh_key_email(key_id)
       @key = Key.find_by(id: key_id)

app/models/user.rb

@@ -375,6 +375,10 @@ class User < ApplicationRecord
       Ci::DropPipelineService.new.execute_async_for_all(user.pipelines, :user_blocked, user)
       Ci::DisableUserPipelineSchedulesService.new.execute(user)
     end
+
+    after_transition any => :deactivated do |user|
+      NotificationService.new.user_deactivated(user.name, user.notification_email)
+    end
     # rubocop: enable CodeReuse/ServiceClass
   end
 

app/services/notification_service.rb

@@ -428,6 +428,10 @@ class NotificationService
     mailer.user_admin_rejection_email(name, email).deliver_later
   end
 
+  def user_deactivated(name, email)
+    mailer.user_deactivated_email(name, email).deliver_later
+  end
+
   # Members
   def new_access_request(member)
     return true unless member.notifiable?(:subscription)

app/views/notify/user_deactivated_email.html.haml

+= email_default_heading(_('Hello %{name},') % { name: @name })
+%p
+  = _('Your account has been deactivated. You will not be able to: ')
+%ul
+  %li
+    = _('Access Git repositories or the API.')
+  %li
+    = _('Receive any notifications from GitLab.')
+  %li
+    = _('Use slash commands.')
+%p
+  - gitlab_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer">'.html_safe % { url: root_url }
+  - link_end = '</a>'.html_safe
+  = _('To reactivate your account, %{gitlab_link_start}sign in to GitLab.%{link_end}').html_safe % { gitlab_link_start: gitlab_link_start, link_end: link_end}
+
+%p
+  = _('Please contact your GitLab administrator if you think this is an error.')

app/views/notify/user_deactivated_email.text.erb

+<%= _('Hello %{name},') % { name: @name } %>
+
+<%= _('Your account has been deactivated. You will not be able to: ') %>
+  - <%= _('Access Git repositories or the API.') %>
+  - <%= _('Receive any notifications from GitLab.') %>
+  - <%= _('Use slash commands.') %>
+
+<%= _('To reactivate your account, sign in to GitLab at %{gitlab_url}.') % { gitlab_url: root_url } %>
+
+<%= _('Please contact your GitLab administrator if you think this is an error.') %>

locale/gitlab.pot

@@ -1699,6 +1699,9 @@ msgstr ""
 msgid "Access Git repositories"
 msgstr ""
 
+msgid "Access Git repositories or the API."
+msgstr ""
+
 msgid "Access Tokens"
 msgstr ""
 
@@ -26849,6 +26852,9 @@ msgstr ""
 msgid "Receive alerts from manually configured Prometheus servers."
 msgstr ""
 
+msgid "Receive any notifications from GitLab."
+msgstr ""
+
 msgid "Receive notifications about your own activity"
 msgstr ""
 
@@ -34147,6 +34153,12 @@ msgstr ""
 msgid "To protect this issue's confidentiality, a private fork of this project was selected."
 msgstr ""
 
+msgid "To reactivate your account, %{gitlab_link_start}sign in to GitLab.%{link_end}"
+msgstr ""
+
+msgid "To reactivate your account, sign in to GitLab at %{gitlab_url}."
+msgstr ""
+
 msgid "To receive alerts from manually configured Prometheus services, add the following URL and Authorization key to your Prometheus webhook config file. Learn more about %{linkStart}configuring Prometheus%{linkEnd} to send alerts to GitLab."
 msgstr ""
 
@@ -35418,6 +35430,9 @@ msgstr ""
 msgid "Use shortcuts"
 msgstr ""
 
+msgid "Use slash commands."
+msgstr ""
+
 msgid "Use template"
 msgstr ""
 
@@ -37788,9 +37803,15 @@ msgstr ""
 msgid "Your access request to the %{source_type} has been withdrawn."
 msgstr ""
 
+msgid "Your account has been deactivated"
+msgstr ""
+
 msgid "Your account has been deactivated by your administrator. Please log back in to reactivate your account."
 msgstr ""
 
+msgid "Your account has been deactivated. You will not be able to: "
+msgstr ""
+
 msgid "Your account is locked."
 msgstr ""
 

spec/models/user_spec.rb

@@ -1898,6 +1898,14 @@ RSpec.describe User do
 
         expect(user.deactivated?).to be_truthy
       end
+
+      it 'sends deactivated user an email' do
+        expect_next_instance_of(NotificationService) do |notification|
+          allow(notification).to receive(:user_deactivated).with(user.name, user.notification_email)
+        end
+
+        user.deactivate
+      end
     end
 
     context "a user who is blocked" do

spec/services/notification_service_spec.rb

@@ -2619,6 +2619,16 @@ RSpec.describe NotificationService, :mailer do
     end
   end
 
+  describe '#user_deactivated', :deliver_mails_inline do
+    let_it_be(:user) { create(:user) }
+
+    it 'sends the user an email' do
+      notification.user_deactivated(user.name, user.notification_email)
+
+      should_only_email(user)
+    end
+  end
+
   describe 'GroupMember', :deliver_mails_inline do
     let(:added_user) { create(:user) }