box-o-sand/rails/map-mash/app/controllers/mashes_controller.rb

class MashesController < ApplicationController
  def redirect_to_new
    flash[:notice] = 'Sneaky pete.'
    redirect_to(:action => 'new')
  end

  alias_method :index, :redirect_to_new
  alias_method :show, :redirect_to_new

  def new
    @map_a, @map_b = Map.pair

    @mash = Mash.new(
      :requester => request.remote_ip,
      :map_a => @map_a.id,
      :map_b => @map_b.id,
      :winner => @map_a.id
    )

    respond_to do |format|
      format.html
    end
  end

  def create
    mash_params = params[:mash]
    mash_params[:requester] = request.remote_ip
    logger.info("Got mash params: #{mash_params.inspect}")
    @mash = Mash.new(mash_params)
    @winner = Map.find(@mash.winner)
    @winner.points += 1

    respond_to do |format|
      if @mash.save && @winner.save
        flash[:notice] = 'Mash was successfully created.'
        format.html { redirect_to(:action => 'new') }
      else
        format.html { render :action => 'new' }
      end
    end
  end
end