Display terms to a user

When terms are present, they can be viewed on `/-/users/terms`.

app/assets/stylesheets/framework.scss

@@ -61,3 +61,4 @@
 @import 'framework/stacked_progress_bar';
 @import 'framework/ci_variable_list';
 @import 'framework/feature_highlight';
+@import 'framework/terms';

app/assets/stylesheets/framework/terms.scss

+.terms {
+  .panel {
+    .panel-heading {
+      display: -webkit-flex;
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+
+      .title {
+        display: -webkit-flex;
+        display: flex;
+        align-items: center;
+        padding: 2px 8px;
+        margin: 5px 2px 5px -8px;
+        border-radius: 4px;
+
+        .logo-text {
+          width: 55px;
+          height: 24px;
+          margin: 0 15px;
+        }
+      }
+
+      .navbar-collapse {
+        padding-right: 0;
+      }
+
+      .nav li a {
+        color: $theme-gray-700;
+      }
+    }
+
+    .panel-content {
+      padding: 0 $gl-padding;
+    }
+  }
+}

app/controllers/users/terms_controller.rb

+module Users
+  class TermsController < ApplicationController
+    before_action :terms
+
+
+    layout 'terms'
+
+    def index
+    end
+
+    private
+
+    def terms
+      unless @terms = Gitlab::CurrentSettings.current_application_settings.latest_terms
+        redirect_to request.referer || root_path
+      end
+    end
+  end
+end

app/views/layouts/terms.html.haml

+!!! 5
+- @hide_breadcrumbs = true
+%html{ lang: I18n.locale, class: page_class }
+  = render "layouts/head"
+
+  %body{ class: "#{user_application_theme} #{@body_class}", data: { page: body_data_page } }
+    = render 'peek/bar'
+    .layout-page.terms
+      .content-wrapper
+        %div{ class: "#{(container_class unless @no_container)} #{@content_class}" }
+          .content{ id: "content-body" }
+            .panel.panel-default
+              .panel-heading
+                .title
+                  = brand_header_logo
+                  - logo_text = brand_header_logo_type
+                  - if logo_text.present?
+                    %span.logo-text.hidden-xs
+                      = logo_text
+                - if header_link?(:user_dropdown)
+                  .navbar-collapse.collapse
+                    %ul.nav.navbar-nav
+                      %li.header-user.dropdown
+                        = link_to current_user, class: user_dropdown_class, data: { toggle: "dropdown" } do
+                          = image_tag avatar_icon_for_user(current_user, 23), width: 23, height: 23, class: "header-user-avatar qa-user-avatar"
+                          = sprite_icon('angle-down', css_class: 'caret-down')
+                        .dropdown-menu-nav.dropdown-menu-align-right
+                          = render 'layouts/header/current_user_dropdown'
+              = yield
+    = yield :scripts_body

app/views/users/terms/index.html.haml

+.panel-content.rendered-terms
+  = markdown_field(@terms, :terms)

config/routes/user.rb

@@ -27,6 +27,13 @@ devise_scope :user do
   get '/users/almost_there' => 'confirmations#almost_there'
 end
 
+scope '-/users', module: :users do
+  resources :terms, only: [:index] do
+    post :accept, on: :member
+    post :decline, on: :member
+  end
+end
+
 scope(constraints: { username: Gitlab::PathRegex.root_namespace_route_regex }) do
   scope(path: 'users/:username',
         as: :user,

spec/controllers/users/terms_controller_spec.rb

+require 'spec_helper'
+
+describe Users::TermsController do
+  let(:user) { create(:user) }
+
+  before do
+    sign_in user
+  end
+
+  describe 'GET #index' do
+    it 'redirects when no terms exist' do
+      get :index
+
+      expect(response).to have_gitlab_http_status(:redirect)
+    end
+
+    it 'shows terms when they exist' do
+      create(:term)
+
+      expect(response).to have_gitlab_http_status(:success)
+    end
+  end
+end

spec/features/users/terms_spec.rb

+require 'spec_helper'
+
+describe 'Users > Terms' do
+  let(:user) { create(:user) }
+  let!(:term) { create(:term, terms: 'By accepting, you promise to be nice!') }
+
+  before do
+    sign_in(user)
+
+    visit terms_path
+  end
+
+  it 'shows the terms' do
+    expect(page).to have_content('By accepting, you promise to be nice!')
+  end
+end