##APPLICATION.RB

# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.

class ApplicationController < ActionController::Base
  helper :all # include all helpers, all the time

  # See ActionController::RequestForgeryProtection for details
  # Uncomment the :secret if you're not using the cookie session store
  protect_from_forgery # :secret => '91be570dc568d6f0367706e1771e67c1'
  #
  before_filter :fetch_logged_in_user

   protected

   def fetch_logged_in_user
   return if session[:user_id].blank?
   @current_user = Artist.find_by_id(session[:user_id])
 end

 def logged_in?
     ! @current_user.blank?
 end

  helper_method :logged_in?

  def login_required

   return true if logged_in?

   session[:return_to] = request.request_uri

   redirect_to :controller => "/artist", :action => "login" and

  return false

   end




end


##LOGIN VIEW

<h1 class="index">Artist login</h1><br>
<% form_tag do %>

 <p>Please log in.</p>

 <p>

 <label>Username:</label>

 <%= text_field_tag 'login' %>

 </p>

 <p>

 <label>Password:</label>

 <%= password_field_tag 'password' %>

 </p>

 <p><%= submit_tag 'login' %></p>

<% end %>


##CONTROLLER

def login


     if request.post?

     @current_user = Artist.find_by_login_and_password(params[:login], params[:password])

     unless @current_user.nil?

     session[:user_id] = @current_user.id
     unless session[:return_to].blank?

      redirect_to session[:return_to]

      session[:return_to] = nil

      else

     redirect_to :controller => 'artistadmin'
   end


     end