gistfile1.rb

  class CreateTempRoom < R '/rooms/create-temporary'
    def get
      require 'json'
      room_id = "--#{rand(2 ** 16 - 1).to_s(36)}" until !File.exist?("rooms/#{room_id}")
      
      default_settings = {
        :title => input.name || "Temporary Talkie Room",
        :desc => input.desc || "",
        :owners => [],
        :type => 'democracy',
        :banned => []
      }
      
      Dir.mkdir("rooms/#{room_id}")
      Dir.mkdir("rooms/#{room_id}/active-members")
      File.open("rooms/#{room_id}/active-users", 'w')     { |f| f.write('[]') }
      File.open("rooms/#{room_id}/message-counter", 'w')  { |f| f.write('0') }
      File.open("rooms/#{room_id}/settings", 'w')         { |f| f.write(JSON.generate(default_settings)) }
      
      
      File.chmod(0777, "rooms/#{room_id}", "rooms/#{room_id}/active-members")
      File.chmod(0666, "rooms/#{room_id}/active-users",
                       "rooms/#{room_id}/message-counter",
                       "rooms/#{room_id}/settings")
      
      send_message(room_id,
        :type => 'text/x-talkie-action',
        :from => talkie_user,
        :body => "created this temporary room for #{input.for || 'unknown user'}."
      )
      
      # clear out old disused temp rooms
      Thread.new do
        require 'timeout'
        Timeout.timeout(5) do
          cutoff = Time.now - 60*60*24
          Dir.foreach("rooms") do |room|
            next unless room.match(/^--/)
            next unless File.mtime("rooms/#{room}") < cutoff
            FileUtils.rm_rf("rooms/#{room}")
          end
        end
        Thread.exit
      end
      
      headers['Content-Type'] = 'text/plain'
      URL(ShortURL, room_id).to_s
    end
  end