users_controller

gistfile1.rb

  def new
  	@user = User.new(params[:user])
  end

  def create
  	@user = User.new(params[:user])

    if params[:key].present?
      invite = Invite.find_by_key(params[:key])
    end

  	if @user.save
        auto_login @user
        Following.new(user_id: @user_id, following_id: invite.user_id)
        redirect_to edit_user_path(@user), :notice => "You're in!"
  	else
  		render :new
  	end
  end