redmine_dmsf: last update of the folders #130

app/models/dmsf_folder.rb

@@ -279,6 +279,23 @@ class DmsfFolder < ActiveRecord::Base
     
     [results, results_count]
   end
+  
+  def modified
+    last_update = updated_at
+    subfolders.each do |subfolder|
+      last_update = subfolder.updated_at if subfolder.updated_at > last_update
+    end
+    files.each do |file|
+      last_update = file.updated_at if file.updated_at > last_update
+    end
+    folder_links.each do |folder_link|
+      last_update = folder_link.updated_at if folder_link.updated_at > last_update
+    end
+    file_links.each do |file_link|
+      last_update = file_link.updated_at if file_link.updated_at > last_update
+    end
+    last_update
+  end
 
   private
   

app/views/dmsf/_dir.html.erb

@@ -34,7 +34,7 @@
   <% end %>
 </td>            
 <td class="size"></td>
-<td class="modified"><%= format_time(subfolder.updated_at) %>                
+<td class="modified"><%= format_time(subfolder.modified) %>                
   <% if locked_for_user %>
     <% if subfolder.lock.reverse[0].user %>            
       <%= link_to('',