public static function create(Player $player, Game $game)
 {
     $factory = new self();
     $factory->player = $player;
     $factory->game = $game;
     $factory->stats = new PlayerGameStats();
     $factory->calculateStats();
     return $factory->stats;
 }
 /**
  * Output the stats to slack
  *
  * @param $channel
  */
 static function output($channel)
 {
     $object = new self();
     $object->calculateStats();
     $object->sendToSlack($channel);
 }