Add confirmation page for finder facets

Introduce page to confirm changes to the facets of a finder.

app/controllers/admin_controller.rb

@@ -7,6 +7,10 @@ def summary; end
 
   def edit_facets; end
 
+  def confirm_metadata
+    render :confirm_facets
+  end
+
   def edit_metadata; end
 
   def confirm_metadata

app/policies/document_policy.rb

@@ -17,6 +17,7 @@ def can_request_edits_to_finder?
   end
   alias_method :summary?, :can_request_edits_to_finder?
   alias_method :edit_facets?, :can_request_edits_to_finder?
+  alias_method :confirm_facets?, :can_request_edits_to_finder?
   alias_method :edit_metadata?, :can_request_edits_to_finder?
   alias_method :confirm_metadata?, :can_request_edits_to_finder?
   alias_method :zendesk?, :can_request_edits_to_finder?

app/views/admin/confirm_facets.html.erb

@@ -0,0 +1,50 @@
+<% content_for :breadcrumbs do %>
+  <%= render "govuk_publishing_components/components/breadcrumbs", {
+  collapse_on_mobile: true,
+    breadcrumbs: [
+      {
+        title: "All finders",
+        url: root_path
+      },
+      {
+        title: "#{current_format.title} finder",
+        url: "/admin/#{current_format.admin_slug}"
+      },
+      {
+        title: "Request change",
+        url: "/admin/facets/#{current_format.admin_slug}"
+      },
+      {
+        title: "Check changes",
+        url: request.original_url
+      }
+    ]
+  } %>
+<% end %>
+<% content_for :page_title, "Edit #{current_format.title} finder" %>
+<% content_for :title, "Check your changes before submitting" %>
+<% content_for :context, "#{current_format.title} finder" %>
+
+
+<div class="govuk-grid-row">
+  <div class="govuk-grid-column-two-thirds govuk-body govuk-!-margin-top-8">
+    <%= render "facets_summary_card", {
+      schema: @current_format.finder_schema.schema,
+    } %>
+
+    <p class="govuk-body govuk-body govuk-!-margin-top-7">
+      By submitting you are confirming that these changes are required to the specialist finder.
+    </p>
+
+    <div class="govuk-button-group govuk-!-margin-top-7">
+      <%= form_tag "/admin/zendesk/#{current_format.admin_slug}", method: 'post' do %>
+        <%= hidden_field_tag :proposed_schema, JSON.pretty_generate(@proposed_schema) %>
+        <%= render "govuk_publishing_components/components/button", {
+          text: "Submit changes"
+        } %>
+      <% end %>
+
+      <%= link_to("Cancel", "/admin/#{current_format.admin_slug}", class: "govuk-link govuk-link--no-visited-state") %>
+    </div>
+  </div>
+</div>

config/routes.rb

@@ -17,6 +17,7 @@
 
   get "/admin/:document_type_slug", to: "admin#summary"
   get "/admin/facets/:document_type_slug", to: "admin#edit_facets"
+  post "/admin/facets/:document_type_slug", to: "admin#confirm_facets"
   get "/admin/metadata/:document_type_slug", to: "admin#edit_metadata"
   post "/admin/metadata/:document_type_slug", to: "admin#confirm_metadata"
   post "/admin/zendesk/:document_type_slug", to: "admin#zendesk"