# Attempt a login
  def create
    @username = params[:username]
    @password = params[:password]
    if @current_user = User.authenticate(@username, @password)
      if @current_user.confirmed? || AppConfig.site.is_open == 'true'
        @current_user.login!(session)
        @current_user.remember!(cookies) unless @current_user.has_role?(:administrator)
        @current_user.update_last_active
        @current_user.save!
        if session[:return_to]
          correct_login(session[:return_to])
          session[:return_to] = nil
        else
          if @current_user.has_role?(:administrator)
            correct_login admin_root_url
          else
           correct_login products_url
          end
        end
      else
       flash[:notice] = I18n.t(:'notices.session.unconfirmed')
       @current_user.confirmation.send_confirmation_email if @current_user.confirmation
      # get_brands
      # get_tweets(5)
      # render :new
        redirect_to login_or_new_users_url
      end
    else
      flash[:error] = I18n.t(:'errors.access.bad_password')
      get_brands
      get_tweets(5)
      if request.referer.nil?
        redirect_to root_url and return
      else
        redirect_to request.referer
      end
    end
  rescue  ActiveRecord::RecordInvalid,ActiveRecord::Rollback #when the cart if saved, if the discount promo code is not valid anymore, cancel discount
    flash[:error] = "Ce code promotionel a déjà été utilisé pour une autre commande, il ne peut donc pas être utilisé pour cette commande"
    @cart.discount = nil
    @cart.user = @current_user
    @cart.save!
    @cart.reload
    redirect_to session[:return_to]
    session[:return_to] = nil
  end