public class OrderTagModel : IEquatable<OrderTagModel>
    {
        public int Id { get; set; }

        public string Name { get; set; }

        public decimal Price { get; set; }

        public int MaxQuantity { get; set; }

        public int SortOrder { get; set; }

        public bool Equals(OrderTagModel otc)
        {
            if (otc == null)
            {
                return false;
            }

            return Id == otc.Id
                && Name == otc.Name
                && Price == otc.Price
                && MaxQuantity == otc.MaxQuantity
                && SortOrder == otc.SortOrder;
        }

        public override bool Equals(object obj)
        {
            return obj is OrderTagModel otc && Equals(otc);
        }

        public override int GetHashCode()
        {
            unchecked
            {
                var hash = new HashCode();
                hash.Add(Id.GetHashCode());
                hash.Add(Name.GetHashCode());
                hash.Add(Price.GetHashCode());
                hash.Add(MaxQuantity.GetHashCode());
                hash.Add(SortOrder.GetHashCode());

                return hash.ToHashCode();
            }
        }

        public static bool operator ==(OrderTagModel a, OrderTagModel b)
        {
            return EqualityComparer<OrderTagModel>.Default.Equals(a, b);
        }

        public static bool operator !=(OrderTagModel a, OrderTagModel b)
        {
            return !(a == b);
        }
    }