public override bool Equals(object obj)
        {
            var model = obj as AddReviewRequestModel;

            if (model == null)
            {
                return(false);
            }
            else
            {
                return(Comment.Equals(model.Comment) &&
                       DateTimePosted.Equals(model.DateTimePosted) &&
                       Rating.Equals(model.Rating) &&
                       RestaurantId.Equals(model.RestaurantId));
            }
        }
 public override int GetHashCode()
 {
     return(Comment.GetHashCode() + DateTimePosted.GetHashCode() + Rating.GetHashCode() + RestaurantId.GetHashCode());
 }