Expired link error page

app/controllers/auth/confirmations_controller.rb

@@ -11,6 +11,8 @@ class Auth::ConfirmationsController < Devise::ConfirmationsController
       else
         respond_with_navigational(resource) { redirect_to after_confirmation_path_for(resource_name, resource) }
       end
+    elsif resource.errors.map(&:type).include?(:confirmation_period_expired)
+      render "devise/confirmations/expired"
     else
       respond_with_navigational(resource.errors, status: :unprocessable_entity) { render :new }
     end

app/views/devise/confirmations/expired.html.erb

@@ -0,0 +1,11 @@
+<% content_for :title, "Your invitation link has expired" %>
+
+<div class="govuk-grid-row">
+  <div class="govuk-grid-column-two-thirds">
+    <h1 class="govuk-heading-l">
+      <%= content_for(:title) %>
+    </h1>
+
+    <p class="govuk-body">Contact your coordinator to request a new one.</p>
+  </div>
+</div>

spec/requests/auth/confirmations_controller_spec.rb

@@ -39,10 +39,8 @@ RSpec.describe Auth::ConfirmationsController, type: :request do
       get "/account/confirmation?confirmation_token=#{user.confirmation_token}"
     end
 
-    it "shows the Resend Invitation page" do
+    it "shows the error page" do
-      expect(page).to have_selector("#error-summary-title")
+      expect(page).to have_content("Your invitation link has expired")
-      expect(page).to have_content(I18n.t("errors.messages.confirmation_period_expired", period:))
-      expect(page).to have_content("Resend invitation link")
     end
   end
 end