save asset static file

app/models/asset.rb

@@ -9,6 +9,11 @@ class Asset
   has_grid_attachment :data, :required => true
   
   before_validation :setup_filename
+  after_save :save_static_file
+  
+  def url
+    "/assets/#{self.filename}"
+  end
   
   protected
   
@@ -18,4 +23,10 @@ class Asset
     end
   end
   
+  def save_static_file
+    f = File.new("#{RAILS_ROOT}/public/assets/#{self.filename}", "wb")
+    f.write(self.data.file.read)
+    f.close
+  end
+  
 end

app/views/admin/assets/index.html.erb

@@ -13,7 +13,9 @@
 
 <% @assets.each do |asset| %>
   <tr>
-    <td><%= link_to asset.filename, admin_asset_path(asset) %></td>
+    <td><%#= link_to asset.filename, admin_asset_path(asset) %>
+        <%= link_to asset.url, asset.url %>
+    </td>
     <td><%= asset.description %></td>
     <td><%= asset.data.content_type %></td>
     <td><%= asset.data.file_name %></td>