first upload working (wip)

app/controllers/cms/image_controller.rb

@@ -3,12 +3,26 @@ module Cms
   class ImageController < ApplicationController
 
     @@root = "app/assets/images/cms/"
-    @@files = Dir.new(Rails.root + @@root).children
+    @@files = Set.new Dir.new(Rails.root + @@root).children
 
     def index
       @files = files
     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
+      redirect_to cms_image_index_path
+    end
+
     private
 
     def files