async function getImagesInRoom(roomId) {
  const oneHourAgo = new Date(new Date().getTime() - 1 * 60 * 60 * 1000);
  const deviceFeatures = await db.DeviceFeature.findAll({
    attributes: ['last_value_string'],
    include: [
      {
        model: db.Device,
        as: 'device',
        where: {
          room_id: roomId,
        },
      },
    ],
    where: {
      category: DEVICE_FEATURE_CATEGORIES.CAMERA,
      last_value_string: {
        [Op.not]: null,
      },
      last_value_changed: {
        // we want fresh value, less than 1h
        [Op.gt]: oneHourAgo,
      },
    },
  });

  return deviceFeatures.map((deviceFeature) => deviceFeature.last_value_string);
}
@description Get image in room.
@param {string} roomId - Id of the room.
@returns {Promise} Resolve array with images.
@example
getImagesInRoom('f0dea887-d14f-4344-a57b-795c16e0abda');