Port EE System Header And Footer feature to CE

remove EE specific code
remove EE licence checks
move migration from EE to CE folder structure
move specs from EE to CE folder structure
remove EE specific flag specs

app/assets/stylesheets/framework.scss

@@ -65,3 +65,4 @@
 @import 'framework/terms';
 @import 'framework/read_more';
 @import 'framework/flex_grid';
+@import 'framework/system_messages';

app/assets/stylesheets/framework/system_messages.scss

+.header-message,
+.footer-message {
+  padding: 0 15px;
+  border: 1px solid transparent;
+  border-radius: 0;
+  position: fixed;
+  left: 0;
+  width: 100%;
+  text-align: center;
+  margin: 0;
+  z-index: 1000;
+
+  p {
+    @include str-truncated(100%);
+    margin-top: 0;
+    margin-bottom: 0;
+  }
+}
+
+.header-message {
+  top: 0;
+  height: $system-header-height;
+  line-height: $system-header-height;
+}
+
+.footer-message {
+  bottom: 0;
+  height: $system-footer-height;
+  line-height: $system-footer-height;
+}
+
+.with-performance-bar {
+  .header-message {
+    top: $performance-bar-height;
+  }
+}
+
+// System Header
+.with-system-header {
+  // main navigation
+  // login page
+  .navbar-gitlab,
+  .fixed-top {
+    top: $system-header-height;
+  }
+
+  // left sidebar eg: project page
+  // right sidebar eg: MR page
+  .nav-sidebar,
+  .right-sidebar {
+    top: $system-header-height + $header-height;
+  }
+
+  .content-wrapper {
+    margin-top: $system-header-height + $header-height;
+  }
+
+  // Performance Bar
+  // System Header
+  &.with-performance-bar {
+    // main navigation
+    header.navbar-gitlab {
+      top: $performance-bar-height + $system-header-height;
+    }
+
+    .layout-page {
+      margin-top: $header-height + $performance-bar-height + $system-header-height;
+    }
+
+    // left sidebar eg: project page
+    // right sidebar eg: MR page
+    .nav-sidebar,
+    .right-sidebar {
+      top: $header-height + $performance-bar-height + $system-header-height;
+    }
+  }
+}
+
+// System Footer
+.with-system-footer {
+  // left sidebar eg: project page
+  // right sidebar eg: mr page
+  .nav-sidebar,
+  .right-sidebar,
+    // navless pages' footer eg: login page
+    // navless pages' footer border eg: login page
+  &.devise-layout-html body .footer-container,
+  &.devise-layout-html body hr.footer-fixed {
+    bottom: $system-footer-height;
+  }
+}
+
+.fullscreen-layout {
+  .header-message,
+  .footer-message {
+    position: static;
+    top: auto;
+    bottom: auto;
+  }
+
+  .content-wrapper {
+    .with-system-header & {
+      margin-top: 0;
+    }
+
+    .with-system-footer & {
+      margin-top: 0;
+    }
+  }
+}

app/assets/stylesheets/framework/variables.scss

@@ -276,6 +276,8 @@ $general-hover-transition-duration: 100ms;
 $general-hover-transition-curve: linear;
 $highlight-changes-color: rgb(235, 255, 232);
 $performance-bar-height: 35px;
+$system-header-height: 35px;
+$system-footer-height: $system-header-height;
 $flash-height: 52px;
 $context-header-height: 60px;
 $breadcrumb-min-height: 48px;

app/controllers/admin/appearances_controller.rb

@@ -74,6 +74,10 @@ class Admin::AppearancesController < Admin::ApplicationController
       favicon_cache
       new_project_guidelines
       updated_by
+      header_message
+      footer_message
+      message_background_color
+      message_font_color
     ]
   end
 end

app/helpers/appearances_helper.rb

@@ -40,4 +40,36 @@ module AppearancesHelper
       render 'shared/logo_type.svg'
     end
   end
+
+  def header_message
+    return unless current_appearance&.show_header?
+
+    class_names = []
+    class_names << 'with-performance-bar' if performance_bar_enabled?
+
+    render_message(:header_message, class_names)
+  end
+
+  def footer_message
+    return unless current_appearance&.show_footer?
+
+    render_message(:footer_message)
+  end
+
+  private
+
+  def render_message(field_sym, class_names = [])
+    class_names << field_sym.to_s.dasherize
+
+    content_tag :div, class: class_names, style: message_style do
+      markdown_field(current_appearance, field_sym)
+    end
+  end
+
+  def message_style
+    style = []
+    style << "background-color: #{current_appearance.message_background_color};"
+    style << "color: #{current_appearance.message_font_color}"
+    style.join
+  end
 end

app/helpers/application_helper.rb

@@ -214,12 +214,19 @@ module ApplicationHelper
     class_names = []
     class_names << 'issue-boards-page' if current_controller?(:boards)
     class_names << 'with-performance-bar' if performance_bar_enabled?
-
+    class_names << system_message_class
     class_names
   end
 
-  # EE feature: System header and footer, unavailable in CE
   def system_message_class
+    class_names = []
+
+    return class_names unless appearance
+
+    class_names << 'with-system-header' if appearance.show_header?
+    class_names << 'with-system-footer' if appearance.show_footer?
+
+    class_names
   end
 
   # Returns active css class when condition returns true
@@ -292,4 +299,10 @@ module ApplicationHelper
       snippets: snippets_project_autocomplete_sources_path(object)
     }
   end
+
+  private
+
+  def appearance
+    ::Appearance.current
+  end
 end

app/models/appearance.rb

@@ -8,12 +8,19 @@ class Appearance < ActiveRecord::Base
 
   cache_markdown_field :description
   cache_markdown_field :new_project_guidelines
+  cache_markdown_field :header_message, pipeline: :broadcast_message
+  cache_markdown_field :footer_message, pipeline: :broadcast_message
 
   validates :logo,        file_size: { maximum: 1.megabyte }
   validates :header_logo, file_size: { maximum: 1.megabyte }
+  validates :message_background_color, allow_blank: true, color: true
+  validates :message_font_color, allow_blank: true, color: true
 
   validate :single_appearance_row, on: :create
 
+  default_value_for :message_background_color, '#E75E40'
+  default_value_for :message_font_color, '#FFFFFF'
+
   mount_uploader :logo,         AttachmentUploader
   mount_uploader :header_logo,  AttachmentUploader
   mount_uploader :favicon,      FaviconUploader
@@ -41,6 +48,14 @@ class Appearance < ActiveRecord::Base
     logo_system_path(favicon, 'favicon')
   end
 
+  def show_header?
+    header_message.present?
+  end
+
+  def show_footer?
+    footer_message.present?
+  end
+
   private
 
   def logo_system_path(logo, mount_type)

app/views/admin/appearances/_form.html.haml

@@ -42,6 +42,7 @@
             %br
             Images with incorrect dimensions are not resized automatically, and may result in unexpected behavior.
 
+  = render partial: 'admin/appearances/system_header_footer_form', locals: { form: f }
 
   %hr
   .row

app/views/admin/appearances/_system_header_footer_form.html.haml

+- form = local_assigns.fetch(:form)
+
+%hr
+.row
+  .col-lg-4.profile-settings-sidebar
+    %h4.prepend-top-0
+      = _('System header and footer')
+
+  .col-lg-8
+    .form-group
+      = form.label :header_message, _('Header message'), class: 'col-form-label label-bold'
+      = form.text_area :header_message, placeholder: _('State your message to activate'), class: "form-control js-autosize"
+    .form-group
+      = form.label :footer_message, _('Footer message'), class: 'col-form-label label-bold'
+      = form.text_area :footer_message, placeholder: _('State your message to activate'), class: "form-control js-autosize"
+    .form-group.js-toggle-colors-container
+      %button.btn.btn-link.js-toggle-colors-link{ type: 'button' }
+        = _('Customize colors')
+    .form-group.js-toggle-colors-container.hide
+      = form.label :message_background_color, _('Background Color'), class: 'col-form-label label-bold'
+      = form.color_field :message_background_color, class: "form-control"
+    .form-group.js-toggle-colors-container.hide
+      = form.label :message_font_color, _('Font Color'), class: 'col-form-label label-bold'
+      = form.color_field :message_font_color, class: "form-control"

app/views/layouts/application.html.haml

@@ -5,7 +5,9 @@
     = render "layouts/init_auto_complete" if @gfm_form
     = render "layouts/init_client_detection_flags"
     = render 'peek/bar'
+    = header_message
     = render partial: "layouts/header/default", locals: { project: @project, group: @group }
     = render 'layouts/page', sidebar: sidebar, nav: nav
+    = footer_message
 
     = yield :scripts_body

app/views/layouts/devise.html.haml

@@ -2,6 +2,7 @@
 %html.devise-layout-html{ class: system_message_class }
   = render "layouts/head"
   %body.ui-indigo.login-page.application.navless.qa-login-page{ data: { page: body_data_page } }
+    = header_message
     .page-wrap
       = render "layouts/header/empty"
       .login-page-broadcast
@@ -34,3 +35,4 @@
           = link_to _("Explore"), explore_root_path
           = link_to _("Help"), help_path
           = link_to _("About GitLab"), "https://about.gitlab.com/"
+      = footer_message

app/views/layouts/devise_empty.html.haml

@@ -2,6 +2,7 @@
 %html{ lang: "en", class: system_message_class }
   = render "layouts/head"
   %body.ui-indigo.login-page.application.navless
+    = header_message
     = render "layouts/header/empty"
     = render "layouts/broadcast"
     .container.navless-container
@@ -15,3 +16,4 @@
         = link_to _("Explore"), explore_root_path
         = link_to _("Help"), help_path
         = link_to _("About GitLab"), "https://about.gitlab.com/"
+    = footer_message

changelogs/unreleased/55057-system-message-to-core.yml

+---
+title: Port System Header and Footer feature to Core
+merge_request: 25241
+author:
+type: added

db/migrate/20180314145917_add_header_and_footer_banners_to_appearances_table.rb

+# frozen_string_literal: true
+
+class AddHeaderAndFooterBannersToAppearancesTable < ActiveRecord::Migration[4.2]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    add_column :appearances, :header_message, :text
+    add_column :appearances, :header_message_html, :text
+
+    add_column :appearances, :footer_message, :text
+    add_column :appearances, :footer_message_html, :text
+
+    add_column :appearances, :message_background_color, :text
+    add_column :appearances, :message_font_color, :text
+  end
+end

db/schema.rb

@@ -37,6 +37,12 @@ ActiveRecord::Schema.define(version: 20190204115450) do
     t.integer "cached_markdown_version"
     t.text "new_project_guidelines"
     t.text "new_project_guidelines_html"
+    t.text "header_message"
+    t.text "header_message_html"
+    t.text "footer_message"
+    t.text "footer_message_html"
+    t.text "message_background_color"
+    t.text "message_font_color"
     t.string "favicon"
   end
 

doc/customization/system_header_and_footer_messages.md

+# Adding a system message to every page
+
+> [Introduced][ee-1283] in [GitLab Premium][eep] 10.7.
+
+Navigate to the **Admin** area and go to the **Appearance** page.
+
+Under **System header and footer** insert your header message and/or footer message.
+Both background and font color of the header and footer are customizable.
+
+![appearance](system_header_and_footer_messages/appearance.png)
+
+After saving, all GitLab pages will contain the custom system header and/or footer messages:
+
+![custom_header_footer](system_header_and_footer_messages/custom_header_footer.png)
+
+The GitLab sign in page will also show the header and the footer messages:
+
+![sign_up_custom_header_and_footer](system_header_and_footer_messages/sign_up_custom_header_and_footer.png)

locale/gitlab.pot

@@ -951,6 +951,9 @@ msgstr ""
 msgid "Average per day: %{average}"
 msgstr ""
 
+msgid "Background Color"
+msgstr ""
+
 msgid "Background Jobs"
 msgstr ""
 
@@ -2453,6 +2456,9 @@ msgstr ""
 msgid "Custom notification levels are the same as participating levels. With custom notification levels you will also receive notifications for select events. To find out more, check out %{notification_link}."
 msgstr ""
 
+msgid "Customize colors"
+msgstr ""
+
 msgid "Customize how FogBugz email addresses and usernames are imported into GitLab. In the next step, you'll be able to select the projects you want to import."
 msgstr ""
 
@@ -3435,6 +3441,12 @@ msgstr ""
 msgid "Follow the steps below to export your Google Code project data."
 msgstr ""
 
+msgid "Font Color"
+msgstr ""
+
+msgid "Footer message"
+msgstr ""
+
 msgid "For internal projects, any logged in user can view pipelines and access job details (output logs and artifacts)"
 msgstr ""
 
@@ -3762,6 +3774,9 @@ msgstr ""
 msgid "GroupsTree|Search by name"
 msgstr ""
 
+msgid "Header message"
+msgstr ""
+
 msgid "Health Check"
 msgstr ""
 
@@ -7051,6 +7066,9 @@ msgstr ""
 msgid "Starts at (UTC)"
 msgstr ""
 
+msgid "State your message to activate"
+msgstr ""
+
 msgid "Status"
 msgstr ""
 
@@ -7132,6 +7150,9 @@ msgstr ""
 msgid "System default (%{default})"
 msgstr ""
 
+msgid "System header and footer"
+msgstr ""
+
 msgid "System metrics (Custom)"
 msgstr ""
 

spec/controllers/admin/appearances_controller_spec.rb

+require 'spec_helper'
+
+describe Admin::AppearancesController do
+  let(:admin) { create(:admin) }
+  let(:header_message) { "Header message" }
+  let(:footer_message) { "Footer" }
+
+  describe 'POST #create' do
+    let(:create_params) do
+      {
+        title: "Foo",
+        description: "Bar",
+        header_message: header_message,
+        footer_message: footer_message
+      }
+    end
+
+    before do
+      sign_in(admin)
+    end
+
+    it 'creates appearance with footer and header message' do
+      post :create, params: { appearance: create_params }
+
+      expect(Appearance.current).to have_attributes(
+        header_message: header_message,
+        footer_message: footer_message
+      )
+    end
+  end
+
+  describe 'PUT #update' do
+    let(:update_params) do
+      {
+        header_message: header_message,
+        footer_message: footer_message
+      }
+    end
+
+    before do
+      create(:appearance)
+
+      sign_in(admin)
+    end
+
+    it 'updates appearance with footer and header message' do
+      put :update, params: { appearance: update_params }
+
+      expect(Appearance.current).to have_attributes(
+        header_message: header_message,
+        footer_message: footer_message
+      )
+    end
+  end
+end

spec/features/admin/admin_appearance_spec.rb

@@ -39,6 +39,38 @@ describe 'Admin Appearance' do
     expect_custom_new_project_appearance(appearance)
   end
 
+  context 'Custom system header and footer' do
+    before do
+      sign_in(create(:admin))
+    end
+
+    context 'when system header and footer messages are empty' do
+      it 'shows custom system header and footer fields' do
+        visit admin_appearances_path
+
+        expect(page).to have_field('appearance_header_message', with: '')
+        expect(page).to have_field('appearance_footer_message', with: '')
+        expect(page).to have_field('appearance_message_background_color')
+        expect(page).to have_field('appearance_message_font_color')
+      end
+    end
+
+    context 'when system header and footer messages are not empty' do
+      before do
+        appearance.update(header_message: 'Foo', footer_message: 'Bar')
+      end
+
+      it 'shows custom system header and footer fields' do
+        visit admin_appearances_path
+
+        expect(page).to have_field('appearance_header_message', with: appearance.header_message)
+        expect(page).to have_field('appearance_footer_message', with: appearance.footer_message)
+        expect(page).to have_field('appearance_message_background_color')
+        expect(page).to have_field('appearance_message_font_color')
+      end
+    end
+  end
+
   it 'Custom sign-in page' do
     visit new_user_session_path
 

spec/features/display_system_header_and_footer_bar_spec.rb

+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe 'Display system header and footer bar' do
+  let(:header_message) { "Foo" }
+  let(:footer_message) { "Bar" }
+
+  shared_examples 'system header is configured' do
+    it 'shows system header' do
+      expect(page).to have_css('.header-message')
+    end
+
+    it 'shows the correct content' do
+      page.within('.header-message') do
+        expect(page).to have_content(header_message)
+      end
+    end
+  end
+
+  shared_examples 'system footer is configured' do
+    it 'shows system footer' do
+      expect(page).to have_css('.footer-message')
+    end
+
+    it 'shows the correct content' do
+      page.within('.footer-message') do
+        expect(page).to have_content(footer_message)
+      end
+    end
+  end
+
+  shared_examples 'system header is not configured' do
+    it 'does not show system header' do
+      expect(page).not_to have_css('.header-message')
+    end
+  end
+
+  shared_examples 'system footer is not configured' do
+    it 'does not show system footer' do
+      expect(page).not_to have_css('.footer-message')
+    end
+  end
+
+  context 'when authenticated' do
+    context 'when system header and footer are not configured' do
+      before do
+        sign_in(create(:user))
+
+        visit root_path
+      end
+
+      it_behaves_like 'system header is not configured'
+      it_behaves_like 'system footer is not configured'
+    end
+
+    context 'when only system header is defined' do
+      before do
+        create(:appearance, header_message: header_message)
+
+        sign_in(create(:user))
+        visit root_path
+      end
+
+      it_behaves_like 'system header is configured'
+      it_behaves_like 'system footer is not configured'
+    end
+
+    context 'when only system footer is defined' do
+      before do
+        create(:appearance, footer_message: footer_message)
+
+        sign_in(create(:user))
+        visit root_path
+      end
+
+      it_behaves_like 'system header is not configured'
+      it_behaves_like 'system footer is configured'
+    end
+
+    context 'when system header and footer are defined' do
+      before do
+        create(:appearance, header_message: header_message, footer_message: footer_message)
+
+        sign_in(create(:user))
+        visit root_path
+      end
+
+      it_behaves_like 'system header is configured'
+      it_behaves_like 'system footer is configured'
+    end
+  end
+
+  context 'when not authenticated' do
+    context 'when system header and footer are not configured' do
+      before do
+        visit root_path
+      end
+
+      it_behaves_like 'system header is not configured'
+      it_behaves_like 'system footer is not configured'
+    end
+
+    context 'when only system header is defined' do
+      before do
+        create(:appearance, header_message: header_message)
+
+        visit root_path
+      end
+
+      it_behaves_like 'system header is configured'
+      it_behaves_like 'system footer is not configured'
+    end
+
+    context 'when only system footer is defined' do
+      before do
+        create(:appearance, footer_message: footer_message)
+
+        visit root_path
+      end
+
+      it_behaves_like 'system header is not configured'
+      it_behaves_like 'system footer is configured'
+    end
+
+    context 'when system header and footer are defined' do
+      before do
+        create(:appearance, header_message: header_message, footer_message: footer_message)
+
+        visit root_path
+      end
+
+      it_behaves_like 'system header is configured'
+      it_behaves_like 'system footer is configured'
+    end
+  end
+end

spec/helpers/appearances_helper_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe AppearancesHelper do
+  before do
+    user = create(:user)
+    allow(helper).to receive(:current_user).and_return(user)
+  end
+
+  describe '#header_message' do
+    it 'returns nil when header message field is not set' do
+      create(:appearance)
+
+      expect(helper.header_message).to be_nil
+    end
+
+    context 'when header message is set' do
+      it 'includes current message' do
+        message = "Foo bar"
+        create(:appearance, header_message: message)
+
+        expect(helper.header_message).to include(message)
+      end
+    end
+  end
+
+  describe '#footer_message' do
+    it 'returns nil when footer message field is not set' do
+      create(:appearance)
+
+      expect(helper.footer_message).to be_nil
+    end
+
+    context 'when footer message is set' do
+      it 'includes current message' do
+        message = "Foo bar"
+        create(:appearance, footer_message: message)
+
+        expect(helper.footer_message).to include(message)
+      end
+    end
+  end
+
+  describe '#brand_image' do
+    let!(:appearance) { create(:appearance, :with_logo) }
+
+    context 'when there is a logo' do
+      it 'returns a path' do
+        expect(helper.brand_image).to match(%r(img data-src="/uploads/-/system/appearance/.*png))
+      end
+    end
+
+    context 'when there is a logo but no associated upload' do
+      before do
+        # Legacy attachments were not tracked in the uploads table
+        appearance.logo.upload.destroy
+        appearance.reload
+      end
+
+      it 'falls back to using the original path' do
+        expect(helper.brand_image).to match(%r(img data-src="/uploads/-/system/appearance/.*png))
+      end
+    end
+  end
+
+  describe '#brand_title' do
+    it 'returns the default CE title when no appearance is present' do
+      allow(helper)
+        .to receive(:current_appearance)
+              .and_return(nil)
+
+      expect(helper.brand_title).to eq('GitLab Community Edition')
+    end
+  end
+end

spec/models/appearance_spec.rb

@@ -63,4 +63,19 @@ describe Appearance do
   %i(logo header_logo favicon).each do |logo_type|
     it_behaves_like 'logo paths', logo_type
   end
+
+  describe 'validations' do
+    let(:triplet) { '#000' }
+    let(:hex)     { '#AABBCC' }
+
+    it { is_expected.to allow_value(nil).for(:message_background_color) }
+    it { is_expected.to allow_value(triplet).for(:message_background_color) }
+    it { is_expected.to allow_value(hex).for(:message_background_color) }
+    it { is_expected.not_to allow_value('000').for(:message_background_color) }
+
+    it { is_expected.to allow_value(nil).for(:message_font_color) }
+    it { is_expected.to allow_value(triplet).for(:message_font_color) }
+    it { is_expected.to allow_value(hex).for(:message_font_color) }
+    it { is_expected.not_to allow_value('000').for(:message_font_color) }
+  end
 end