Site Wide Banner

app/components/cms/site_wide_banner_component.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class Cms::SiteWideBannerComponent < ViewComponent::Base
+  erb_template <<~ERB
+    <div class="cms-site-wide-banner-component">
+      <span class="govuk-body-s"><%= render @current_notification.text_content.render %></span>
+    </div>
+  ERB
+
+  def initialize(current_notification:)
+    @current_notification = current_notification
+  end
+
+  def render?
+    @current_notification
+  end
+end

app/components/cms/site_wide_banner_component/site_wide_banner_component.scss

@@ -0,0 +1,9 @@
+.cms-site-wide-banner-component {
+  text-align: center;
+  background-color: $black;
+  padding: 10px;
+
+  span {
+    color: $white;
+  }
+}

app/controllers/application_controller.rb

@@ -5,6 +5,7 @@ class ApplicationController < ActionController::Base
 
   before_action :authenticate
   before_action :access_cms_header
+  before_action :access_cms_site_wide_notification
 
   def authenticate
     return unless ENV["BASIC_AUTH_PASSWORD"]
@@ -20,6 +21,21 @@ def access_cms_header
     @cms_header = nil
   end
 
+  def access_cms_site_wide_notification
+    @cms_site_wide_banner = Cms::Collections::SiteWideBanner.all_records
+
+    current_time = Time.now.utc
+
+    active_banners = @cms_site_wide_banner.select do |banner|
+      start_time = Time.parse(banner.start_time.value)
+      end_time = Time.parse(banner.end_time.value)
+
+      current_time >= start_time && current_time <= end_time
+    end
+
+    @current_notification = active_banners.first
+  end
+
   def authenticate_user!
     redirect_to(helpers.create_account_url) unless current_user
   end

app/services/cms/collections/site_wide_banner.rb

@@ -0,0 +1,33 @@
+module Cms
+  module Collections
+    class SiteWideBanner < Resource
+      def self.is_collection = true
+
+      def self.resource_attribute_mappings
+        [
+          {model: Models::Text::RichHeader, key: :textContent, param_name: :text_content},
+          {model: Models::Data::TextField, key: :startTime, param_name: :start_time},
+          {model: Models::Data::TextField, key: :endTime, param_name: :end_time}
+        ]
+      end
+
+      def self.collection_attribute_mappings
+        [
+          {model: Models::Text::RichHeader, key: :textContent, param_name: :text_content},
+          {model: Models::Data::TextField, key: :startTime, param_name: :start_time},
+          {model: Models::Data::TextField, key: :endTime, param_name: :end_time}
+        ]
+      end
+
+      def self.cache_expiry
+        5.minutes
+      end
+
+      def self.graphql_key = "siteWideBanners"
+
+      def self.resource_key = "site-wide-banners"
+
+      def self.sort = "startTime:desc"
+    end
+  end
+end

app/services/cms/models/collections/site_wide_banner.rb

@@ -0,0 +1,17 @@
+module Cms
+  module Models
+    module Collections
+      class SiteWideBanner
+        attr_reader :text_content
+
+        def initialize(text_content:)
+          @text_content = text_content
+        end
+
+        def render
+          Cms::SiteWideBannerComponent.new(text_content:)
+        end
+      end
+    end
+  end
+end

app/services/cms/providers/strapi/factories/model_factory.rb

@@ -20,6 +20,7 @@ module ModelFactory
             Models::Meta::Seo => :to_seo,
             Models::Meta::SimpleTitle => :to_simple_title,
             Models::Data::Slug => :to_slug,
+            Models::Text::RichHeader => :to_rich_header,
             Models::Text::TextBlock => :to_text_block,
             Models::Text::TextBlockWithoutWrapper => :to_text_block_without_wrapper,
             Models::Data::TextField => :to_text_field,
@@ -159,6 +160,10 @@ def self.to_question_bank_forms(strapi_data, _all_data)
             }
           end
 
+          def self.to_rich_header(strapi_data, _all_data)
+            {blocks: process_block_data(strapi_data)}
+          end
+
           def self.to_seo(strapi_data, _all_data)
             {
               title: strapi_data[:title],

app/services/cms/providers/strapi/factories/query_factory.rb

@@ -18,6 +18,9 @@ def self.generate_parameters(collection_class, query)
               filter[:publishDate] = {key_type("lt") => DateTime.now.strftime}
               filter[:featured] = {key_type("eq") => query[:featured]} if query&.dig(:featured)
               filter[:blog_tags] = {slug: {key_type("eq") => query[:tag]}} if query&.dig(:tag)
+            elsif collection_class == Cms::Collections::SiteWideBanner
+              current_time = DateTime.now.strftime
+              filter[:endTime] = {key_type("gte") => current_time}
             end
             filter
           end

app/services/cms/providers/strapi/graphql_client.rb

@@ -34,6 +34,7 @@ def one(resource_class, resource_id = nil, preview: false, preview_key: nil)
           data = clean_aliases(response.original_hash)
 
           results = data[:data][resource_class.graphql_key.to_sym][:data]
+
           raise ActiveRecord::RecordNotFound if results.empty?
 
           record = if resource_class.is_collection

app/services/cms/providers/strapi/mocks/collections/site_wide_banner.rb

@@ -0,0 +1,15 @@
+module Cms
+  module Providers
+    module Strapi
+      module Mocks
+        module Collections
+          class SiteWideBanner < StrapiMock
+            attribute(:textContent) { Text::RichBlocks.as_model }
+            attribute(:startTime) { Faker::Time.backward(days: 2) }
+            attribute(:endTime) { Faker::Time.forward(days: 2) }
+          end
+        end
+      end
+    end
+  end
+end

app/services/cms/providers/strapi/queries/base_query.rb

@@ -22,8 +22,10 @@ class BaseQuery
             Models::Meta::PageTitle => PageTitle,
             Models::Meta::Seo => Seo,
             Models::Meta::SimpleTitle => SimpleField,
+            Models::Text::RichHeader => SimpleField,
             Models::Text::TextBlock => SimpleField,
-            Models::Text::TextBlockWithoutWrapper => SimpleField
+            Models::Text::TextBlockWithoutWrapper => SimpleField,
+            Models::Collections::SiteWideBanner => SiteWideBanner
           }.freeze
 
           def initialize(collection_class, resource_filter = "slug")

app/services/cms/providers/strapi/queries/site_wide_banner.rb

@@ -0,0 +1,17 @@
+module Cms
+  module Providers
+    module Strapi
+      module Queries
+        class SiteWideBanner
+          def self.embed(name)
+            <<~GRAPHQL.freeze
+              textContent
+              startTime
+              endTime
+            GRAPHQL
+          end
+        end
+      end
+    end
+  end
+end

app/services/cms/resource.rb

@@ -68,6 +68,7 @@ def self.get(resource_id = nil, preview: false, preview_key: nil)
           client.one(self, resource_id)
         end
       end
+
       new(**data)
     end
 

app/views/components/_header.html.erb

@@ -58,8 +58,9 @@
             <%= render model.render %>
           <% end %>
         <% end %>
-
       </div>
     </nav>
   </div>
+
+  <%= render Cms::SiteWideBannerComponent.new(current_notification: @current_notification) %>
 </header>

spec/components/cms/site_wide_banner_component_spec.rb

@@ -0,0 +1,30 @@
+require "rails_helper"
+
+RSpec.describe Cms::SiteWideBannerComponent, type: :component do
+  context "with banner present" do
+    let(:current_notification) { Cms::Collections::SiteWideBanner.all_records.first }
+
+    before do
+      stub_strapi_site_wide_banner
+      render_inline(described_class.new(current_notification:))
+    end
+
+    it "renders the component" do
+      expect(page).to have_css(".cms-site-wide-banner-component")
+    end
+
+    it "renders the text" do
+      expect(page).to have_css("span")
+    end
+  end
+
+  context "when no banner present" do
+    before do
+      render_inline(described_class.new(current_notification: nil))
+    end
+
+    it "does not render the component" do
+      expect(page).to_not have_css(".cms-site-wide-banner-component")
+    end
+  end
+end

spec/rails_helper.rb

@@ -100,10 +100,12 @@ def page
   config.before(:each, type: :system) do
     driven_by selenium_driver
     stub_strapi_header
+    stub_strapi_site_wide_banner
   end
 
   config.before(:each, type: :request) do
     stub_strapi_header
+    stub_strapi_site_wide_banner
   end
 
   config.after(:each, js: true, type: :system) do |_spec|

spec/services/cms/collections/site_wide_banner_spec.rb

@@ -0,0 +1,14 @@
+require "rails_helper"
+
+RSpec.describe Cms::Collections::SiteWideBanner do
+  it "should have 5 minute cache expiry" do
+    expect(described_class.cache_expiry).to eq(5.minutes)
+  end
+
+  it "should have correct resource_key" do
+    expect(described_class.resource_key).to eq("site-wide-banners")
+  end
+
+  it_should_behave_like "a strapi graphql collection single query", %w[textContent startTime endTime]
+  it_should_behave_like "a strapi graphql collection all query", %w[textContent startTime endTime]
+end

spec/services/cms/providers/strapi/queries/site_wide_banner_spec.rb

@@ -0,0 +1,11 @@
+require "rails_helper"
+
+RSpec.describe Cms::Providers::Strapi::Queries::SiteWideBanner do
+  it_should_behave_like "a strapi graphql embed", {
+    required_fields: %w[
+      startTime
+      endTime
+      textContent
+    ]
+  }
+end

spec/support/cms/providers/strapi/strapi_stubs.rb

@@ -217,6 +217,12 @@ def stub_strapi_homepage(homepage: Cms::Mocks::Singles::Homepage.generate_raw_da
     end
   end
 
+  def stub_strapi_site_wide_banner(banner: Array.new(3) { Cms::Mocks::Collections::SiteWideBanner.generate_raw_data })
+    if as_graphql
+      stub_strapi_graphql_collection_query("siteWideBanners", banner)
+    end
+  end
+
   def stub_strapi_schema
     stub_request(:post, /^https:\/\/strapi.teachcomputing.org\/graphql/)
       .with(body: /IntrospectionQuery/)

spec/views/components/_header_spec.rb

@@ -63,4 +63,28 @@
       expect(rendered).not_to have_css(".govuk-header__navigation-item", text: "Your progress")
     end
   end
+
+  context "when site wide banner is not active" do
+    before do
+      stub_strapi_site_wide_banner
+      assign(:current_notification, nil)
+      render
+    end
+
+    it "does not render the cms site wide banner component" do
+      expect(rendered).not_to have_css(".cms-site-wide-banner-component")
+    end
+  end
+
+  context "when site wide banner is active" do
+    before do
+      stub_strapi_site_wide_banner
+      assign(:current_notification, Cms::Collections::SiteWideBanner.all_records.first)
+      render
+    end
+
+    it "does render the cms site wide banner component" do
+      expect(rendered).to have_css(".cms-site-wide-banner-component")
+    end
+  end
 end

spec/views/layouts/application.html_spec.rb

@@ -3,6 +3,7 @@
 RSpec.describe("layouts/application", type: :view) do
   before do
     stub_strapi_header
+    stub_strapi_site_wide_banner
     render
   end