Dice roller

gistfile1.rb

def create    
    @roll = Roll.new(params[:roll])
    @rolls = Roll.all(:order => "created_at DESC", :limit => 5)
    
    # Creating a random id & name in case is empty
    @number = (rand(900000)+100001)    
    @roll.id = @number    
    if @roll.name.empty?
      @roll.name = "Roll #" + @number.to_s 
    end
    
    # First I created an array from the notation
    @notation = @roll.notation.split("d")
    @roll.times, @roll.sides = @notation[0], @notation[1]
    
    # Then I think a formula that simulates the dice rank
    @rank = @roll.sides*@roll.times
    @roll.result = rand(@rank)+(@roll.times)
    if @roll.result > @rank
      @roll.result = @rank
    end
    
    if @roll.save
      redirect_to(root_url)
    else
      render :action => "index"
    end
  end