BeWoPlaner/Shared/DataContracts/ClientPartials/CostRatePeriodDC.cs

namespace BS.Shared.DataContracts
{
    public partial class CostRatePeriodDC
    {
        public override bool Equals(object obj)
        {
            if (obj is CostRatePeriodDC costRatePeriod)
            {
                if (CostRatePeriodOid == null && costRatePeriod.CostRatePeriodOid == null)
                {
                    return GetHashCode() == costRatePeriod.GetHashCode();
                }

                if (CostRatePeriodOid != null && costRatePeriod.CostRatePeriodOid != null)
                {
                    return CostRatePeriodOid == costRatePeriod.CostRatePeriodOid;
                }
            }

            return false;
        }

        public override int GetHashCode()
        {
            return CostRatePeriodOid.HasValue ? GetType().Name.GetHashCode() ^ CostRatePeriodOid.GetHashCode() : base.GetHashCode();
        }
    }
}