Prevent errors on rooms without usernames

	message.rid = room._id

	if not room.usernames? || room.usernames.length is 0

		room = RocketChat.models.Rooms.findOneById(room._id)

		updated_room = RocketChat.models.Rooms.findOneById(room._id)

		if updated_room?

			room = updated_room

		else

			room.usernames = []

	if message.parseUrls isnt false

		if urls = message.msg.match /([A-Za-z]{3,9}):\/\/([-;:&=\+\$,\w]+@{1})?([-A-Za-z0-9\.]+)+:?(\d+)?((\/[-\+=!:~%\/\.@\,\w]*)?\??([-\+=&!:;%@\/\.\,\w]+)?(?:#([^\s\)]+))?)?/g