image class with attributes

app/controllers/cms/images_controller.rb

@@ -2,32 +2,18 @@ module Cms
 
   class ImagesController < CmsController
 
-    @@root = "app/assets/images/cms/"
-    @@files = Set.new Dir[Rails.root + @@root + "*.*"].collect{|f|f.split("/").last}
-
     def index
-      @files = files
+      @images = Image.all
     end
 
     def new
     end
 
     def create
-      io = params['image_file']
-      ending = io.original_filename.split("/").last.split(".").last
-      filename = params['filename'] + "." + ending
-      File.open(Rails.root.join('app/assets/images/cms', filename), "wb") do |f|
-        f.write io.read
-      end
-      @@files << filename
+      Image.save_image(params['filename'] , params['image_file'])
       redirect_to cms_image_index_path
     end
 
-    private
-
-    def files
-      @@files
-    end
   end
 
 end