User profile update form

app/controllers/user_controller.rb

@@ -49,4 +49,13 @@ class UserController < ApplicationController
       redirect_to '/login'
     end
   end
+  
+  def update
+    @data = User.collection.find({session_key: Digest::SHA256.hexdigest(request.session['session_id'])}).first
+    unless @data.nil?
+      
+    else
+      render :json => 'wtf?'
+    end
+  end
 end