gistfile1.rb

def create
    @user_session = UserSession.new(params[:user_session])

    respond_to do |format|
      if @user_session.save
        add_flash :notices, "Login successful."
        c = @user_session.user
        if @user_session.user.host_with_port.nil?
          @user_session.user.host_with_port = request.host_with_port
          @user_session.user.save
        end
        
        History.create({:history_type => 'login', :user_id => c.id, :company_id => c.company_id})
        format.html { redirect_back_or_default(:root) }
        format.xml  { render :xml => @user_session, :status => :created, :location => @user_session }
        format.json { render :json => {"valid"=>true} }
      else
        errors_to_flash @user_session, :now => true
        format.html { render :action => "new" }
        format.xml  { render :xml => @user_session.errors, :status => :unprocessable_entity }
        format.json { render :json => {"errors"=>@user_session.errors.full_messages}}
      end
    end
  end