folder managing refactor

app/controllers/folders_controller.rb

@@ -0,0 +1,23 @@
+class FoldersController < ApplicationController
+  include ImapUtils
+
+  before_filter :login_required
+  before_filter :load_imap_session
+  after_filter  :close_imap_session
+
+  layout 'public'
+
+  def index
+    @folders = @mailbox.folders
+  end
+
+  def create
+    @mailbox.create_folder(CDF::CONFIG[:mail_inbox] + '.' + params[:folder])
+    redirect_to folders_path
+  end
+
+  def destroy
+    @mailbox.delete_folder params[:id]
+    redirect_to folders_path
+  end
+end