class UsersController < ApplicationController

  def new
    @user = User.new
  end
  def create
    @user = User.new(params[:user])
    if @user.save
      flash[:notice] = "You signed up successfully"
      flash[:color]= "valid"
    else
      flash[:notice] = "Form is invalid"
      flash[:color]= "invalid"
    end
    render "new"
  end
end

<% @page_title = "UserAuth | Signup" %>
<div class="Sign_Form">
  <h1>Sign Up</h1>

  <%= form_for(:user, :url => {:controller => 'users', :action => 'create'}) do |f| %>
    <p> First name:</br> <%= f.text_field :firstname%> </p>
    <p> Last name:</br> <%= f.text_field :lastname%> </p>
    <p> Email:</br> <%= f.text_field :email%> </p>
    <p> Password:</br> <%= f.password_field :password%></p>
    <p> Password Confirmation:</br> <%= f.password_field :password_confirmation%> </p>
    <%= f.submit :Signup %>
  <% end %>
  <% if @user.errors.any? %>
    <ul class="Signup_Errors">
    <% for message_error in @user.errors.full_messages %>
      <li>* <%= message_error %></li>
    <% end %>
    </ul>
  <% end %>
</div>