class ReleasesController < ApplicationController
  
  caches_page :show
  
  def show
    @release = Release.find(params[:id])
    
    respond_to do |format|
      format.html
      format.js {
        render :partial => "whatsnew", :layout => false
      }
    end
  end
  
  def check
    edition = ProductEdition.find_by_internal_code(params[:product])
    product = edition ? edition.product : Product.find_by_internal_code(params[:product])
    release = product.current_release
    new_version = release.newer_than(params[:build].to_i)
    
    @response = ["### update check response ###"]
    if new_version
      releases = product.releases.find_newer_than(params[:build])
      @response << release.version
      @response << release.build
      @response << I18n.l(release.date, :format => :iso)
      @response << download_url(product)
      @response << direct_download_url(:filename => product.file_url)
      @response << "### changelog begin ###"
      if releases.size == 1
        @response << release.changelog
      else
        @response << "This cumulative update contains #{releases.size} previous updates that you have not installed."
        @response << ""
        releases.each do |release|
          @response << "===================================================="
          @response << "Changes in version #{release.version} (#{I18n.l(release.date, :format => :cute)})"
          @response << "===================================================="
          @response << release.changelog
          @response << "" unless releases.last == release
        end
      end
      @response << "### changelog end ###"
    else
      @response << "### no new version ###"
    end
    
    render :layout => false
  end
end