gistfile1.txt

  def create
    session[:lead_params].deep_merge!(lead_params) if (lead_params)
    @lead = Lead.new(session[:lead_params])
    @lead.current_step = session[:lead_step]
    if params[:back_button]
      @lead.previous_step
    elsif @lead.last_step?
        @lead.save 
    else
      @lead.next_step
    end
    session[:lead_step] = @lead.current_step
    if @lead.save
      auto_create_user!(@lead)
      session[:lead_step] = session[:lead_params] = nil
      redirect_to new_lead_confirmation_url
    else 
      redirect_to leads_new_url
    end
  end



def auto_create_user!(lead)
    if user_signed_in?
      lead.user_id = current_user.id
    else
      user = User.find_by_email(lead.email)
      if user
        lead.user_id = user.id
      else
        pass = SecureRandom.hex[0..7]
        user = User.create!(
                 email: lead.email, 
                 password: pass, 
                 password_confirmation: pass
               )
        lead.user_id = user.id
        UserMailer.welcome_email(user, pass).deliver 
      end
    end
    lead.save
  end