add guest login

assets/javascripts/wizard-custom-guest.js

@@ -0,0 +1,3 @@
+(function() {
+  window.location.href = "/login";
+})();

controllers/wizard.rb

@@ -5,6 +5,12 @@ class CustomWizard::WizardController < ::ApplicationController
   helper_method :wizard_page_title
   helper_method :theme_ids
   
+  before_action :handle_login_redirect, unless: :current_user
+
+  def handle_login_redirect
+    cookies[:destination_url] = "/w/#{params[:wizard_id]}"
+  end
+
   def wizard
     CustomWizard::Template.new(PluginStore.get('custom_wizard', params[:wizard_id].underscore))
   end

views/layouts/wizard.html.erb

@@ -40,8 +40,12 @@
       <%= raw theme_lookup("body_tag") %>
     <%- end %>
 
+    <%- if current_user %>
       <%= preload_script 'wizard-custom-start' %>
       <%= preload_script 'wizard-raw-templates' %>
+    <%- else %>
+      <%= preload_script 'wizard-custom-guest' %>
+    <%- end %>
 
     <div id="svg-sprites" style="display:none;">
       <div class="fontawesome">