gistfile1.txt

class Lottery < ActiveRecord::Base
	attr_accessible :product_id, :completed, :tickets_attributes
	belongs_to :product
	has_many :tickets
	accepts_nested_attributes_for :tickets, :allow_destroy => true
end

gistfile2.txt

  def index
    @lotteries = Lottery.paginate(:page => params[:page], :per_page => 5, :order => 'created_at desc, id')
    @completed_lotteries = Lottery.find(:all, :conditions => ["completed = ?", true])
  end

  def show
    @lottery = Lottery.find(params[:id])
    @tickets = Ticket.find(:all, :conditions => ["lottery_id = ?", params[:id]])
  end

  def new
    @lottery = Lottery.new
  end

  def create
    @lottery = Lottery.new(params[:lottery])
    @product_tickets = @lottery.product.tickets
    @product_tickets.times { @tickets = @lottery.tickets.build }

    if @lottery.save
      redirect_to @lottery, :notice => "Successfully created lottery."
    else
      render :action => 'new'
    end
  end

  def edit
    @lottery = Lottery.find(params[:id])
  end

  def update
    @lottery = Lottery.find(params[:id])
    if @lottery.update_attributes(params[:lottery])
      redirect_to @lottery, :notice  => "Successfully updated lottery."
    else
      render :action => 'edit'
    end
  end

  def destroy
    @lottery = Lottery.find(params[:id])
    @lottery.destroy
    redirect_to lotteries_url, :notice => "Successfully destroyed lottery."
  end

def join
  @lottery = Lottery.find(params[:id])
  @ticket = Ticket.find(params[:id])
  @ticket.update_attribute(:user_id, 500)
  @ticket.save
  puts @ticket
  puts @ticket.id
  puts @ticket.user_id
  redirect_to @lottery
end

def leave
  @lottery = Lottery.find params[:id]
  current_user.update_attribute(:team_id, nil)
  redirect_to @lottery
end

end

gistfile3.txt

<% if ticket.user_id.nil? %>
<%= link_to 'join', join_lottery_path(lottery) %>
<% else %>
<li><a class="closed" href="#"><%= ticket.user_id %> closed</a></li>
<% end %>

gistfile4.txt

resources :categories

resources :products do
  resources :tickets
end

resources :lotteries do
  member do
    get 'join'
    get 'leave'
  end
  resources :tickets
end

authenticated :user do
  root :to => 'home#index'
end

devise_for :users do
  get "/users/sign_out" => "devise/sessions#destroy", :as => :destroy_user_session
end

resources :users

root :to => "home#index"