Add the page loading also to Admin::PagesController

The same behavior as before, except that this controller does not rescue the Alchemy::PageNotFound error. Instead the service will be initialized with the preview_mode flag, which is interesting to populate other data in the preview window.

Author: kulturbande

app/controllers/alchemy/admin/pages_controller.rb

@@ -81,6 +81,10 @@ def show
         Current.preview_page = @page
         # Setting the locale to pages language, so the page content has it's correct translations.
         ::I18n.locale = @page.language.locale
+        if @page.has_service?
+          @service = @page.definition.service.new(@page, preview_mode: true)
+          @service.call
+        end
         render(layout: Alchemy.config.admin_page_preview_layout || "application")
       end
 

spec/controllers/alchemy/admin/pages_controller_spec.rb

@@ -87,6 +87,15 @@
     end
   end
 
+  describe "#show" do
+    let(:page) { create(:alchemy_page, page_layout: "with_service") }
+
+    it "calls the page service" do
+      expect_any_instance_of(DummyPageService).to receive(:call)
+      get :show, params: {id: page.id}
+    end
+  end
+
   describe "#publish" do
     let(:page) { create(:alchemy_page) }