Make sure we're looking at board

conversation.rb

class ConversationsController < ApplicationController
  before_filter :load_board
  
  # GET /conversations
  # GET /conversations.xml
  def index
    @conversations = Conversation.all

    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @conversations }
    end
  end

  # CODE REMOVED FOR CLARITY SAKE
  
  private
  
  def load_board
    if Board.exists?(params[:board_id])
      @board = Board.find(params[:board_id]);
    end
              
    unless @board
      redirect_to(boards_path, :notice =>"Please specify a valid board")
    end
  end
end