Follow-up for #3189

Author: mshibuya

app/views/rails_admin/main/dashboard.html.erb

@@ -52,7 +52,7 @@
     </tbody>
   </table>
 <% end %>
-<% if @auditing_adapter && authorized?(:history_index) %>
+<% if @history && authorized?(:history_index) %>
   <div class="block" id="block-tables">
     <div class="content">
       <h2>

lib/rails_admin/config/actions/dashboard.rb

@@ -18,7 +18,7 @@ class Dashboard < RailsAdmin::Config::Actions::Base
 
         register_instance_option :controller do
           proc do
-            @history = @auditing_adapter&.latest(@action.auditing_versions_limit) || [] if @action.history?
+            @history = @auditing_adapter&.latest(@action.auditing_versions_limit) if @action.history?
             if @action.statistics?
               @abstract_models = RailsAdmin::Config.visible_models(controller: self).collect(&:abstract_model)
 

spec/integration/actions/dashboard_spec.rb

@@ -24,6 +24,28 @@
     visit dashboard_path
   end
 
+  it 'does not show history if turned off', active_record: true do
+    RailsAdmin.config do |c|
+      c.audit_with :paper_trail, 'User', 'PaperTrail::Version'
+      c.included_models = [PaperTrailTest]
+      c.actions do
+        dashboard do
+          history false
+        end
+        index # mandatory
+        new
+        history_index
+      end
+    end
+    with_versioning do
+      visit new_path(model_name: 'paper_trail_test')
+      fill_in 'paper_trail_test[name]', with: 'Jackie Robinson'
+      click_button 'Save'
+    end
+    visit dashboard_path
+    is_expected.not_to have_content 'Jackie Robinson'
+  end
+
   it 'counts are different for same-named models in different modules' do
     allow(RailsAdmin.config(User::Confirmed).abstract_model).to receive(:count).and_return(10)
     allow(RailsAdmin.config(Comment::Confirmed).abstract_model).to receive(:count).and_return(0)