Add custom additonal email text to all emails

Fix https://gitlab.com/gitlab-org/gitlab-ee/issues/4474

app/views/admin/application_settings/_email.html.haml

@@ -22,5 +22,14 @@
             By default GitLab sends emails in HTML and plain text formats so mail
             clients can choose what format to use. Disable this option if you only
             want to send emails in plain text format.
+    -# EE-specific start
+    - if License.feature_available?(:email_additional_text)
+      .form-group
+        = f.label :email_additional_text, _('Additional text'), class: 'control-label col-sm-2'
+        .col-sm-10
+          = f.text_area :email_additional_text, class: 'form-control', maxlength: Gitlab::CurrentSettings.email_additional_text_character_limit, rows: 4
+          .help-block
+            = _('Add additional text to appear in all email communications. %{character_limit} character limit') % { character_limit: number_with_delimiter(Gitlab::CurrentSettings.email_additional_text_character_limit) }
+    -# EE-specific end
 
   = f.submit 'Save changes', class: "btn btn-success"

app/views/email_rejection_mailer/rejection.html.haml

@@ -2,3 +2,12 @@
   Unfortunately, your email message to GitLab could not be processed.
 
 = markdown @reason
+
+-# EE-specific start
+- if Gitlab::CurrentSettings.email_additional_text.present?
+  %p
+    —
+    %br
+    %br
+      = Gitlab::Utils.nlbr(Gitlab::CurrentSettings.email_additional_text)
+-# EE-specific end

app/views/email_rejection_mailer/rejection.text.haml

 Unfortunately, your email message to GitLab could not be processed.
-
-
+\
 = @reason
+
+-# EE-specific start
+- if Gitlab::CurrentSettings.email_additional_text.present?
+  \
+  = '---'
+  = Gitlab::Utils.nlbr(Gitlab::CurrentSettings.email_additional_text)
+-# EE-specific end

app/views/layouts/_mailer.html.haml

@@ -63,6 +63,10 @@
                       %tbody
                         = yield
 
+        -# EE-specific start
+        = render 'layouts/mailer/additional_text'
+        -# EE-specific end
+
         %tr.footer
           %td{ style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;padding:25px 0;font-size:13px;line-height:1.6;color:#5c5c5c;" }
             %img{ alt: "GitLab", height: "33", src: image_url('mailers/gitlab_footer_logo.gif'), style: "display:block;margin:0 auto 1em;", width: "90" }/

app/views/layouts/mailer.text.erb

@@ -2,3 +2,4 @@
 
 ---
 You're receiving this email because of your account on <%= Gitlab.config.gitlab.host %>.
+<%# EE-specific start %><%= render 'layouts/mailer/additional_text' %><%# EE-specific end %>
\ No newline at end of file

app/views/layouts/notify.html.haml

@@ -31,3 +31,10 @@
             adjust your notification settings.
 
           = email_action @target_url
+
+        -# EE-specific start
+        - if Gitlab::CurrentSettings.email_additional_text.present?
+          %br
+          %br
+            = Gitlab::Utils.nlbr(Gitlab::CurrentSettings.email_additional_text)
+        -# EE-specific end

app/views/layouts/notify.text.erb

@@ -10,3 +10,4 @@
 <%  end -%>
 
 <%= "You're receiving this email because #{notification_reason_text(@reason)}." %>
+<%# EE-specific start %><%= render 'layouts/mailer/additional_text' %><%# EE-specific end %>
\ No newline at end of file

app/views/repository_check_mailer/notify.html.haml

@@ -6,3 +6,12 @@
 
 %p
   You are receiving this message because you are a GitLab administrator for #{Gitlab.config.gitlab.url}.
+
+-# EE-specific start
+- if Gitlab::CurrentSettings.email_additional_text.present?
+  %p
+    —
+    %br
+    %br
+      = Gitlab::Utils.nlbr(Gitlab::CurrentSettings.email_additional_text)
+-# EE-specific end

app/views/repository_check_mailer/notify.text.haml

@@ -4,3 +4,10 @@ View details: #{admin_projects_url(last_repository_check_failed: 1)}
 
 You are receiving this message because you are a GitLab administrator
 for #{Gitlab.config.gitlab.url}.
+
+-# EE-specific start
+- if Gitlab::CurrentSettings.email_additional_text.present?
+  \
+  = '---'
+  = Gitlab::Utils.nlbr(Gitlab::CurrentSettings.email_additional_text)
+-# EE-specific end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20180327101207) do
+ActiveRecord::Schema.define(version: 20180401213713) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -197,6 +197,7 @@ ActiveRecord::Schema.define(version: 20180327101207) do
     t.string "encrypted_external_auth_client_key_iv"
     t.string "encrypted_external_auth_client_key_pass"
     t.string "encrypted_external_auth_client_key_pass_iv"
+    t.string "email_additional_text"
   end
 
   create_table "approvals", force: :cascade do |t|

doc/administration/index.md

@@ -55,6 +55,7 @@ Learn how to install, configure, update, and maintain your GitLab instance.
 - [Branded login page](../customization/branded_login_page.md): Customize the login page with your own logo, title, and description.
 - [Welcome message](../customization/welcome_message.md): Add a custom welcome message to the sign-in page.
 - ["New Project" page](../customization/new_project_page.md): Customize the text to be displayed on the page that opens whenever your users create a new project.
+- **(Premium)** [Additional email text](../user/admin_area/settings/email.md): Set a custom message that appears at the bottom of every email.
 
 ### Maintaining GitLab
 
@@ -100,7 +101,7 @@ created in snippets, wikis, and repos.
   - [Postfix for incoming email](reply_by_email_postfix_setup.md): Set up a
   basic Postfix mail server with IMAP authentication on Ubuntu for incoming
   emails.
-server with IMAP authentication on Ubuntu, to be used with Reply by email.
+- **(Premium)** [Additional custom email text](../user/admin_area/settings/email.md): Set a custom message that appears at the bottom of the every email.
 - [User Cohorts](../user/admin_area/user_cohorts.md): Display the monthly cohorts of new users and their activities over time.
 
 [reply by email]: reply_by_email.md

doc/api/settings.md

@@ -102,6 +102,7 @@ PUT /application/settings
 | `elasticsearch_search`                   | boolean          | no                                            | Enable Elasticsearch search                                                                                                                                                                                                                                                                                                                                                                                                                               |
 | `elasticsearch_url`                      | string           | no                                            | The url to use for connecting to Elasticsearch. Use a comma-separated list to support cluster (e.g., "http://localhost:9200, http://localhost:9201")                                                                                                                                                                                                                                                                                                      |
 | `email_author_in_body`                   | boolean          | no                                            | Some email servers do not support overriding the email sender name. Enable this option to include the name of the author of the issue, merge request or comment in the email body instead.                                                                                                                                                                                                                                                                |
+| `email_additional_text`                   | string          | no                                            | **(Premium)** Additional text added to the bottom of every email for legal/auditing/compliance reasons reasons                                                                                                                                                                                                                                                                |
 | `enabled_git_access_protocol`            | string           | no                                            | Enabled protocols for Git access. Allowed values are: `ssh`, `http`, and `nil` to allow both protocols.                                                                                                                                                                                                                                                                                                                                                   |
 | `geo_status_timeout`                     | integer          | no                                            | The amount of seconds after which a request to get a secondary node status will time out.                                                                                                                                                                                                                                                                                                                                                                 |
 | `gravatar_enabled`                       | boolean          | no                                            | Enable Gravatar                                                                                                                                                                                                                                                                                                                                                                                                                                           |

doc/user/admin_area/settings/email.md

+# Email
+
+## Custom logo
+
+The logo in the header of some emails can be customized, see the [logo customization section](../../../customization/branded_page_and_email_header.md).
+
+## Custom additional text
+
+>[Introduced][ee-5031] in [GitLab Premium][eep] 10.7.
+
+The additional text will appear at the bottom of any email and can be used for
+legal/auditing/compliance reasons.
+
+1. Go to **Admin area > Settings** (`/admin/application_settings`).
+1. Under the **Email** section, change the **Additional text** field.
+1. Hit **Save** for the changes to take effect.
+
+![Admin email settings](img/email_settings.png)
+
+[ee-5031]: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/5031
+[eep]: https://about.gitlab.com/pricing/

ee/app/controllers/ee/admin/application_settings_controller.rb

@@ -16,6 +16,10 @@ module EE
           attrs += EE::ApplicationSettingsHelper.external_authorization_service_attributes
         end
 
+        if License.feature_available?(:email_additional_text)
+          attrs << :email_additional_text
+        end
+
         attrs
       end
     end

ee/app/helpers/ee/application_settings_helper.rb

@@ -81,7 +81,7 @@ module EE
     end
 
     def self.possible_licensed_attributes
-      repository_mirror_attributes + external_authorization_service_attributes
+      repository_mirror_attributes + external_authorization_service_attributes + [:email_additional_text]
     end
   end
 end

ee/app/models/ee/application_setting.rb

@@ -9,6 +9,8 @@ module EE
     prepended do
       include IgnorableColumn
 
+      EMAIL_ADDITIONAL_TEXT_CHARACTER_LIMIT = 10_000
+
       ignore_column :minimum_mirror_sync_time
 
       validates :shared_runners_minutes,
@@ -40,6 +42,10 @@ module EE
                 presence: { message: "can't be blank when using aws hosted elasticsearch" },
                 if: ->(setting) { setting.elasticsearch_indexing? && setting.elasticsearch_aws? }
 
+      validates :email_additional_text,
+                allow_blank: true,
+                length: { maximum: EMAIL_ADDITIONAL_TEXT_CHARACTER_LIMIT }
+
       validates :external_authorization_service_default_label,
                 presence: true,
                 if: :external_authorization_service_enabled?
@@ -86,6 +92,7 @@ module EE
           elasticsearch_aws: false,
           elasticsearch_aws_region: ENV['ELASTIC_REGION'] || 'us-east-1',
           elasticsearch_url: ENV['ELASTIC_URL'] || 'http://localhost:9200',
+          email_additional_text: nil,
           mirror_capacity_threshold: Settings.gitlab['mirror_capacity_threshold'],
           mirror_max_capacity: Settings.gitlab['mirror_max_capacity'],
           mirror_max_delay: Settings.gitlab['mirror_max_delay'],
@@ -137,6 +144,16 @@ module EE
       }
     end
 
+    def email_additional_text
+      return false unless email_additional_text_column_exists?
+
+      License.feature_available?(:email_additional_text) && super
+    end
+
+    def email_additional_text_character_limit
+      EMAIL_ADDITIONAL_TEXT_CHARACTER_LIMIT
+    end
+
     def external_authorization_service_enabled
       License.feature_available?(:external_authorization_service) && super
     end
@@ -164,5 +181,9 @@ module EE
     def elasticsearch_search_column_exists?
       ::Gitlab::Database.cached_column_exists?(:application_settings, :elasticsearch_search)
     end
+
+    def email_additional_text_column_exists?
+      ::Gitlab::Database.cached_column_exists?(:application_settings, :email_additional_text)
+    end
   end
 end

ee/app/models/license.rb

@@ -38,6 +38,7 @@ class License < ActiveRecord::Base
     admin_audit_log
     auditor_user
     cross_project_pipelines
+    email_additional_text
     db_load_balancing
     deploy_board
     extended_audit_events

ee/app/views/layouts/mailer/_additional_text.html.haml

+- if Gitlab::CurrentSettings.email_additional_text.present?
+  %tr
+    %td{ style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;padding:25px 0;" }
+  %tr
+    %td{ style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:13px;color:#5c5c5c;" }
+      %table.wrapper{ border: "0", cellpadding: "0", cellspacing: "0", style: "width:640px;margin:0 auto;border-collapse:separate;border-spacing:0;" }
+        %tbody
+          %tr
+            %td{ style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;background-color:#ffffff;text-align:left;padding:18px 25px;border:1px solid #ededed;border-radius:3px;overflow:hidden;" }
+              %table.content{ border: "0", cellpadding: "0", cellspacing: "0", style: "width:100%;border-collapse:separate;border-spacing:0;" }
+                %tbody
+                  = Gitlab::Utils.nlbr(Gitlab::CurrentSettings.email_additional_text)

ee/app/views/layouts/mailer/_additional_text.text.erb

+<% if Gitlab::CurrentSettings.email_additional_text.present? %>
+
+<%= Gitlab::CurrentSettings.email_additional_text %>
+<% end %>
\ No newline at end of file

ee/app/views/layouts/mailer/devise.text.erb

+<%= yield -%>
+
+---
+You're receiving this email because of your account on <%= Gitlab.config.gitlab.host %>.
+<%# EE-specific start %><%= render 'layouts/mailer/additional_text' %><%# EE-specific end %>
\ No newline at end of file

ee/app/views/layouts/service_desk.html.haml

@@ -13,3 +13,10 @@
       —
       %br
       = link_to "Unsubscribe", @unsubscribe_url
+
+      -# EE-specific start
+      - if Gitlab::CurrentSettings.email_additional_text.present?
+        %br
+        %br
+          = Gitlab::Utils.nlbr(Gitlab::CurrentSettings.email_additional_text)
+      -# EE-specific end

ee/app/views/notify/approved_merge_request_email.html.haml

@@ -135,6 +135,10 @@
                                               %a.muted{ href: user_url(@merge_request.assignee), style: "color:#333333;text-decoration:none;" }
                                                 = @merge_request.assignee.name
 
+        -# EE-specific start
+        = render 'layouts/mailer/additional_text'
+        -# EE-specific end
+
         %tr.footer
           %td{ style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;padding:25px 0;font-size:13px;line-height:1.6;color:#5c5c5c;" }
             %img{ alt: "GitLab", height: "33", src: image_url('mailers/ci_pipeline_notif_v1/gitlab-logo-full-horizontal.gif'), style: "display:block;margin:0 auto 1em;", width: "90" }/

ee/app/views/notify/service_desk_new_note_email.text.erb

@@ -3,3 +3,4 @@ New response for issue #<%= @issue.iid %>:
 Author: <%= @note.author_name %>
 
 <%= @note.note %>
+<%# EE-specific start %><%= render 'layouts/mailer/additional_text' %><%# EE-specific end %>
\ No newline at end of file

ee/app/views/notify/service_desk_thank_you_email.text.erb

@@ -3,3 +3,4 @@ Thank you for your support request! We are tracking your request as ticket #<%=
 To unsubscribe from this issue, please paste the following link into your browser:
 
 <%= @unsubscribe_url %>
+<%# EE-specific start %><%= render 'layouts/mailer/additional_text' %><%# EE-specific end %>
\ No newline at end of file

ee/app/views/notify/unapproved_merge_request_email.html.haml

@@ -134,6 +134,10 @@
                                               %a.muted{ href: user_url(@merge_request.assignee), style: "color:#333333;text-decoration:none;" }
                                                 = @merge_request.assignee.name
 
+        -# EE-specific start
+        = render 'layouts/mailer/additional_text'
+        -# EE-specific end
+
         %tr.footer
           %td{ style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;padding:25px 0;font-size:13px;line-height:1.6;color:#5c5c5c;" }
             %img{ alt: "GitLab", height: "33", src: image_url('mailers/ci_pipeline_notif_v1/gitlab-logo-full-horizontal.gif'), style: "display:block;margin:0 auto 1em;", width: "90" }/

ee/changelogs/unreleased/4474-custom-additional-text-in-confirmation-email.yml

+---
+title: Add admin setting for custom additional text in emails
+merge_request: 5031
+author:
+type: added

ee/db/migrate/20180401213713_add_email_additional_text_to_application_settings.rb

+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddEmailAdditionalTextToApplicationSettings < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  # When a migration requires downtime you **must** uncomment the following
+  # constant and define a short and easy to understand explanation as to why the
+  # migration requires downtime.
+  # DOWNTIME_REASON = ''
+
+  # When using the methods "add_concurrent_index", "remove_concurrent_index" or
+  # "add_column_with_default" you must disable the use of transactions
+  # as these methods can not run in an existing transaction.
+  # When using "add_concurrent_index" or "remove_concurrent_index" methods make sure
+  # that either of them is the _only_ method called in the migration,
+  # any other changes should go in a separate migration.
+  # This ensures that upon failure _only_ the index creation or removing fails
+  # and can be retried or reverted easily.
+  #
+  # To disable transactions uncomment the following line and remove these
+  # comments:
+  # disable_ddl_transaction!
+
+  def change
+    add_column :application_settings, :email_additional_text, :string, length: 10_000
+  end
+end

ee/lib/ee/api/entities.rb

@@ -105,6 +105,7 @@ module EE
           expose(*EE::ApplicationSettingsHelper.external_authorization_service_attributes, if: ->(_instance, _options) do
             ::License.feature_available?(:external_authorization_service)
           end)
+          expose :email_additional_text, if: ->(_instance, _opts) { ::License.feature_available?(:email_additional_text) }
         end
       end
 

ee/spec/controllers/admin/application_settings_controller_spec.rb

@@ -97,6 +97,13 @@ describe Admin::ApplicationSettingsController do
       it_behaves_like 'settings for licensed features'
     end
 
+    context 'additional email footer' do
+      let(:settings) { { email_additional_text: 'scary legal footer' } }
+      let(:feature) { :email_additional_text }
+
+      it_behaves_like 'settings for licensed features'
+    end
+
     it 'updates the default_project_creation for string value' do
       stub_licensed_features(project_creation_level: true)
       put :update, application_setting: { default_project_creation: ::EE::Gitlab::Access::MASTER_PROJECT_ACCESS }

ee/spec/mailers/devise_mailer_spec.rb

+require 'spec_helper'
+require 'email_spec'
+
+describe DeviseMailer do
+  describe "#confirmation_instructions" do
+    let(:unsaved_user) { create(:user, name: 'Jane Doe', email: 'jdoe@example.com') }
+    let(:custom_text) { 'this is some additional custom text' }
+
+    subject { described_class.confirmation_instructions(unsaved_user, 'faketoken', {}) }
+
+    before do
+      stub_licensed_features(email_additional_text: true)
+      stub_ee_application_setting(email_additional_text: custom_text)
+    end
+
+    it "includes the additonal custom text" do
+      expect(subject).to have_text custom_text
+    end
+  end
+end

ee/spec/models/application_setting_spec.rb

@@ -24,6 +24,15 @@ describe ApplicationSetting do
     it { is_expected.not_to allow_value(-1).for(:mirror_capacity_threshold) }
     it { is_expected.not_to allow_value(subject.mirror_max_capacity + 1).for(:mirror_capacity_threshold) }
 
+    describe 'when additional email text is enabled' do
+      before do
+        stub_licensed_features(email_additional_text: true)
+      end
+
+      it { is_expected.to allow_value("a" * subject.email_additional_text_character_limit).for(:email_additional_text) }
+      it { is_expected.not_to allow_value("a" * (subject.email_additional_text_character_limit + 1)).for(:email_additional_text) }
+    end
+
     describe 'when external authorization service is enabled' do
       before do
         stub_licensed_features(external_authorization_service: true)

ee/spec/requests/api/settings_spec.rb

@@ -94,4 +94,11 @@ describe API::Settings, 'EE Settings' do
 
     it_behaves_like 'settings for licensed features'
   end
+
+  context 'custom email footer' do
+    let(:settings) { { email_additional_text: 'this is a scary legal footer' } }
+    let(:feature) { :email_additional_text }
+
+    it_behaves_like 'settings for licensed features'
+  end
 end

lib/api/settings.rb

@@ -114,6 +114,7 @@ module API
       optional :version_check_enabled, type: Boolean, desc: 'Let GitLab inform you when an update is available.'
       optional :email_author_in_body, type: Boolean, desc: 'Some email servers do not support overriding the email sender name. Enable this option to include the name of the author of the issue, merge request or comment in the email body instead.'
       optional :html_emails_enabled, type: Boolean, desc: 'By default GitLab sends emails in HTML and plain text formats so mail clients can choose what format to use. Disable this option if you only want to send emails in plain text format.'
+      optional :email_additional_text, type: String, desc: 'Additional text added to the bottom of every email for legal/auditing/compliance reasons'
       optional :housekeeping_enabled, type: Boolean, desc: 'Enable automatic repository housekeeping (git repack, git gc)'
       given housekeeping_enabled: ->(val) { val } do
         requires :housekeeping_bitmaps_enabled, type: Boolean, desc: "Creating pack file bitmaps makes housekeeping take a little longer but bitmaps should accelerate 'git clone' performance."
@@ -170,6 +171,10 @@ module API
         attrs = attrs.except(*::EE::ApplicationSettingsHelper.external_authorization_service_attributes)
       end
 
+      unless ::License.feature_available?(:email_additional_text)
+        attrs = attrs.except(:email_additional_text)
+      end
+
       # support legacy names, can be removed in v5
       if attrs.has_key?(:signin_enabled)
         attrs[:password_authentication_enabled_for_web] = attrs.delete(:signin_enabled)

lib/gitlab/git/hook.rb

@@ -95,13 +95,13 @@ module Gitlab
         args = [ref, oldrev, newrev]
 
         stdout, stderr, status = Open3.capture3(env, path, *args, options)
-        [status.success?, (stderr.presence || stdout).gsub(/\R/, "<br>").html_safe]
+        [status.success?, Gitlab::Utils.nlbr(stderr.presence || stdout)]
       end
 
       def retrieve_error_message(stderr, stdout)
         err_message = stderr.read
         err_message = err_message.blank? ? stdout.read : err_message
-        err_message.gsub(/\R/, "<br>").html_safe
+        Gitlab::Utils.nlbr(err_message)
       end
     end
   end

lib/gitlab/utils.rb

@@ -27,6 +27,11 @@ module Gitlab
         .gsub(/(\A-+|-+\z)/, '')
     end
 
+    # Converts newlines into HTML line break elements
+    def nlbr(str)
+      ActionView::Base.full_sanitizer.sanitize(str, tags: []).gsub(/\r?\n/, '<br>').html_safe
+    end
+
     def remove_line_breaks(str)
       str.gsub(/\r?\n/, '')
     end

spec/mailers/previews/email_rejection_mailer_preview.rb

+class EmailRejectionMailerPreview < ActionMailer::Preview
+  def rejection
+    EmailRejectionMailer.rejection("some rejection reason", "From: someone@example.com\nraw email here").message
+  end
+end

spec/mailers/previews/notify_preview.rb

@@ -58,10 +58,115 @@ class NotifyPreview < ActionMailer::Preview
     end
   end
 
+  def closed_issue_email
+    Notify.closed_issue_email(user.id, issue.id, user.id).message
+  end
+
+  def issue_status_changed_email
+    Notify.issue_status_changed_email(user.id, issue.id, 'closed', user.id).message
+  end
+
+  def closed_merge_request_email
+    Notify.closed_merge_request_email(user.id, issue.id, user.id).message
+  end
+
+  def merge_request_status_email
+    Notify.merge_request_status_email(user.id, merge_request.id, 'closed', user.id).message
+  end
+
+  def merged_merge_request_email
+    Notify.merged_merge_request_email(user.id, merge_request.id, user.id).message
+  end
+
+  def member_access_denied_email
+    Notify.member_access_denied_email('project', project.id, user.id).message
+  end
+
+  def member_access_granted_email
+    Notify.member_access_granted_email('project', user.id).message
+  end
+
+  def member_access_requested_email
+    Notify.member_access_requested_email('group', user.id, 'some@example.com').message
+  end
+
+  def member_invite_accepted_email
+    Notify.member_invite_accepted_email('project', user.id).message
+  end
+
+  def member_invite_declined_email
+    Notify.member_invite_declined_email(
+      'project',
+      project.id,
+      'invite@example.com',
+      user.id
+    ).message
+  end
+
+  def member_invited_email
+    Notify.member_invited_email('project', user.id, '1234').message
+  end
+
+  def pages_domain_enabled_email
+    cleanup do
+      pages_domain = PagesDomain.new(domain: 'my.example.com', project: project, verified_at: Time.now, enabled_until: 1.week.from_now)
+
+      Notify.pages_domain_enabled_email(pages_domain, user).message
+    end
+  end
+
+  def pipeline_success_email
+    Notify.pipeline_success_email(pipeline, pipeline.user.try(:email))
+  end
+
+  def pipeline_failed_email
+    Notify.pipeline_failed_email(pipeline, pipeline.user.try(:email))
+  end
+
   # EE-specific start
-  def unapproved_merge_request
+  def add_merge_request_approver_email
+    Notify.add_merge_request_approver_email(user.id, merge_request.id, user.id).message
+  end
+
+  def issues_csv_email
+    Notify.issues_csv_email(user, project, '1997,Ford,E350', { truncated: false, rows_expected: 3, rows_written: 3 }).message
+  end
+
+  def approved_merge_request_email
+    Notify.approved_merge_request_email(user.id, merge_request.id, approver.id).message
+  end
+
+  def unapproved_merge_request_email
     Notify.unapproved_merge_request_email(user.id, merge_request.id, approver.id).message
   end
+
+  def mirror_was_hard_failed_email
+    Notify.mirror_was_hard_failed_email(project.id, user.id).message
+  end
+
+  def project_mirror_user_changed_email
+    Notify.project_mirror_user_changed_email(user.id, 'deleted_user_name', project.id).message
+  end
+
+  def send_admin_notification
+    Notify.send_admin_notification(user.id, 'Email subject from admin', 'Email body from admin').message
+  end
+
+  def send_unsubscribed_notification
+    Notify.send_unsubscribed_notification(user.id).message
+  end
+
+  def service_desk_new_note_email
+    cleanup do
+      note = create_note(noteable_type: 'Issue', noteable_id: issue.id, note: 'Issue note content')
+
+      Notify.service_desk_new_note_email(issue.id, note.id).message
+    end
+  end
+
+  def service_desk_thank_you_email
+    Notify.service_desk_thank_you_email(issue.id).message
+  end
   # EE-specific end
 
   private
@@ -70,10 +175,18 @@ class NotifyPreview < ActionMailer::Preview
     @project ||= Project.find_by_full_path('gitlab-org/gitlab-test')
   end
 
+  def issue
+    @merge_request ||= project.issues.first
+  end
+
   def merge_request
     @merge_request ||= project.merge_requests.first
   end
 
+  def pipeline
+    @pipeline = Ci::Pipeline.last
+  end
+
   def user
     @user ||= User.last
   end
@@ -101,16 +214,6 @@ class NotifyPreview < ActionMailer::Preview
     email
   end
 
-  def pipeline_success_email
-    pipeline = Ci::Pipeline.last
-    Notify.pipeline_success_email(pipeline, pipeline.user.try(:email))
-  end
-
-  def pipeline_failed_email
-    pipeline = Ci::Pipeline.last
-    Notify.pipeline_failed_email(pipeline, pipeline.user.try(:email))
-  end
-
   # EE-specific start
   def approver
     @user ||= User.first

spec/mailers/previews/repository_check_mailer_preview.rb

+class RepositoryCheckMailerPreview < ActionMailer::Preview
+  def notify
+    RepositoryCheckMailer.notify(3).message
+  end
+end