CarrierWave workaround: the files have to be saved manually

.gitignore

@@ -4,3 +4,6 @@ db/*.sqlite3
 log/*.log
 tmp/**/*
 public/uploads/**/*
+uploads/**/*
+
+.DS_Store

app/controllers/admin/designs_controller.rb

@@ -6,11 +6,7 @@ class Admin::DesignsController < ApplicationController
   end
 
   def new
-    @designs = Design.new
-    @designs.stylesheets.build
-    @designs.javascripts.build
-    @designs.images.build
-
+    @design = Design.new
   end
 
   def update
@@ -32,7 +28,6 @@ class Admin::DesignsController < ApplicationController
   end
 
   def create
-    debugger
     @design = Design.new(params[:design])
     if @design.save
         flash[:notice] = "Successfully created design and tasks."

app/models/design.rb

@@ -17,55 +17,38 @@ class Design
   embeds_many :javascripts
   embeds_many :images
 
-  after_update :destroy_attrs
+  after_save :save_embedded_objects
   
   def javascripts=(*attrs)
-    self.attribute_models=(attrs<<'javascripts')
+    self.files = (attrs << 'javascripts')
   end
   
   def stylesheets=(*attrs)
-    self.attribute_models=(attrs<<'stylesheets')
+    self.files = (attrs << 'stylesheets')
   end
   
   def images=(*attrs)
-    self.attribute_models=(attrs<<'images')
+    self.files = (attrs << 'images')
   end
   
   # Update or create the attribute_model records
-  def attribute_models=(attrs)
-      #attribute_models = eval(attributes[:type])
-     # if attributes.original_filename.blank?
-      attribute_models=eval(attrs.last)
-      a=attribute_models.build()
-      a.file=attrs[0]
-     # else
-     #   attribute_model = attribute_models.detect {|a| a.id.to_s == attributes[:id].to_s }
-     #   attribute_model.update_attributes(attributes)
-    #end
+  def files=(attrs)
+    files = eval(attrs.last)
+    attrs[0].each do |a|
+      files.build(:file => a[:file], :to_save => true)
     end
-
-  def is_built_in?
-    self.built_in
-  end
-  
-  def is_disabled?
-    self.disabled
-  end
-  
-  def get_enabled_attribute_models
-    self.attribute_models.excludes('disabled' => true)
   end
   
   protected
   
-  # Destroy the i18n_variable for each attribute_models if marked to destroy
-  def destroy_attrs
-=begin
-    attribute_models.each do |a|
-      if a.should_destroy?
-         a.destroy_i18n_variable
+  def save_embedded_objects
+    [self.stylesheets, self.javascripts, self.images].each do |objects|
+      objects.each do |object|
+        if object.to_save
+          object.to_save = false
+          object.save
+        end
       end
     end
-=end
   end
 end

app/models/design_file.rb

@@ -3,4 +3,6 @@ class DesignFile
 
   mount_uploader :file, AssetUploader
   
+  field :to_save, :type => Boolean
+
 end

app/models/image.rb

@@ -1,3 +1,3 @@
-class Image<DesignFile
-
+class Image < DesignFile
+  embedded_in :design
 end

app/models/javascript.rb

@@ -1,3 +1,3 @@
-class Javascript<DesignFile
-
+class Javascript < DesignFile
+  embedded_in :design
 end

app/models/stylesheet.rb

@@ -1,5 +1,3 @@
 class Stylesheet < DesignFile
-  mount_uploader :file, AssetUploader
-
   embedded_in :design
 end

app/views/admin/designs/_form.html.erb

@@ -15,7 +15,7 @@
 
 <p>
 <%= f.label "layout", t('admin.layout') %>
-<%  if @design.nil? %>
+<%  if @design.layout.blank? %>
     <%= f.file_field :layout %>
   <% else%>
     <%= File.basename (Design.all.last.layout.url)  %>
@@ -25,17 +25,21 @@
 
 <p>
 <%= f.label "stylesheet", t('admin.stylesheet') %>
-<%= fields_for 'design[stylesheets]' do |f| %>
+<%= fields_for "design[stylesheets][]", @design, :index => nil do |f| %>
 	<%= f.file_field :file %>
-<% end%>
+<% end %>
 </p>
 
 <p>
 <%= f.label "javascript", t('admin.') %>
-<%= f.file_field :javaascripts %>
+<%= fields_for "design[javascripts][]", @design, :index => nil do |f| %>
+	<%= f.file_field :file %>
+<% end %>
 </p>
 
 <p>
 <%= f.label "image", t('admin.') %>
-<%= f.file_field :images %>
+<%= fields_for "design[images][]", @design, :index => nil do |f| %>
+	<%= f.file_field :file %>
+<% end %>
 </p>