From 4e2677ae232cf75681a432524909615cdfb846ef Mon Sep 17 00:00:00 2001
From: Sam Seed <sam.seed@softwire.com>
Date: Tue, 7 Nov 2023 12:08:45 +0000
Subject: [PATCH] CLDC-2863: implement service_moved functionality

---
 app/controllers/application_controller.rb    | 12 +++++++++---
 app/controllers/maintenance_controller.rb    |  6 ++++++
 app/services/feature_toggle.rb               |  4 ++++
 app/views/layouts/application.html.erb       |  2 +-
 app/views/maintenance/service_moved.html.erb |  9 +++++++++
 config/initializers/sidekiq.rb               |  2 +-
 config/routes.rb                             |  1 +
 7 files changed, 31 insertions(+), 5 deletions(-)
 create mode 100644 app/views/maintenance/service_moved.html.erb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 5d96d7c16..a68b55f8d 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -7,9 +7,15 @@ class ApplicationController < ActionController::Base
   before_action :set_paper_trail_whodunnit
 
   def check_maintenance_status
-    if FeatureToggle.service_unavailable? && !%w[service-unavailable accessibility-statement privacy-notice cookies].include?(request.fullpath.split("?")[0].delete("/"))
-      redirect_to service_unavailable_path
-    elsif !FeatureToggle.service_unavailable? && request.fullpath.split("?")[0].delete("/") == "service-unavailable"
+    if FeatureToggle.service_moved?
+      unless %w[service-moved accessibility-statement privacy-notice cookies].include?(request.fullpath.split("?")[0].delete("/"))
+        redirect_to service_moved_path
+      end
+    elsif FeatureToggle.service_unavailable?
+      unless %w[service-unavailable accessibility-statement privacy-notice cookies].include?(request.fullpath.split("?")[0].delete("/"))
+        redirect_to service_unavailable_path
+      end
+    elsif %w[service-moved service-unavailable].include?(request.fullpath.split("?")[0].delete("/"))
       redirect_back(fallback_location: root_path)
     end
   end
diff --git a/app/controllers/maintenance_controller.rb b/app/controllers/maintenance_controller.rb
index bb6ae1f80..26dd8188d 100644
--- a/app/controllers/maintenance_controller.rb
+++ b/app/controllers/maintenance_controller.rb
@@ -1,4 +1,10 @@
 class MaintenanceController < ApplicationController
+  def service_moved
+    if current_user
+      sign_out
+    end
+  end
+
   def service_unavailable
     if current_user
       sign_out
diff --git a/app/services/feature_toggle.rb b/app/services/feature_toggle.rb
index 94ad48906..2829c0958 100644
--- a/app/services/feature_toggle.rb
+++ b/app/services/feature_toggle.rb
@@ -41,4 +41,8 @@ class FeatureToggle
   def self.service_unavailable?
     false
   end
+
+  def self.service_moved?
+    false
+  end
 end
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 2df4b9379..3b051a8bc 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -91,7 +91,7 @@
       navigation_classes: "govuk-header__navigation--end",
     ) do |component|
       component.product_name(name: t("service_name"))
-      unless FeatureToggle.service_unavailable?
+      unless FeatureToggle.service_moved? || FeatureToggle.service_unavailable?
         if current_user.nil?
           component.navigation_item(text: "Sign in", href: user_session_path)
         else
diff --git a/app/views/maintenance/service_moved.html.erb b/app/views/maintenance/service_moved.html.erb
new file mode 100644
index 000000000..30ee3a73e
--- /dev/null
+++ b/app/views/maintenance/service_moved.html.erb
@@ -0,0 +1,9 @@
+<h1 class="govuk-heading-l govuk-!-width-two-thirds">
+  The URL for this service has changed.
+</h1>
+
+<div class="govuk-grid-row">
+  <div class="govuk-grid-column-two-thirds-from-desktop">
+    <p class="govuk-body">Submit social housing lettings and sales data (CORE) can now be found at <%= govuk_link_to "https://submit-social-housing-data.levellingup.gov.uk", "https://submit-social-housing-data.levellingup.gov.uk" %>. If you have bookmarked this page, you need to update it.</p>
+  </div>
+</div>
diff --git a/config/initializers/sidekiq.rb b/config/initializers/sidekiq.rb
index bb492ed23..94fe9e91f 100644
--- a/config/initializers/sidekiq.rb
+++ b/config/initializers/sidekiq.rb
@@ -33,7 +33,7 @@ Redis.silence_deprecations = true
 Sidekiq.configure_server do |config|
   config.on(:startup) do
     Sidekiq::Cron::Job.all.each(&:destroy)
-    unless FeatureToggle.service_unavailable?
+    unless FeatureToggle.service_moved? || FeatureToggle.service_unavailable?
       Sidekiq::Cron::Job.load_from_hash YAML.load_file("config/sidekiq_cron_schedule.yml")
     end
   end
diff --git a/config/routes.rb b/config/routes.rb
index 498e7d9a2..052570cb1 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -35,6 +35,7 @@ Rails.application.routes.draw do
   get "/accessibility-statement", to: "content#accessibility_statement"
   get "/privacy-notice", to: "content#privacy_notice"
   get "/data-sharing-agreement", to: "content#data_sharing_agreement"
+  get "/service-moved", to: "maintenance#service_moved"
   get "/service-unavailable", to: "maintenance#service_unavailable"
 
   get "/download-23-24-lettings-form", to: "start#download_23_24_lettings_form"