using System;
using System.ComponentModel.DataAnnotations;

namespace Kreta.Naplo.Domain.V3.Utility.ValidationAttributes
{
    [AttributeUsage(AttributeTargets.Property)]
    internal sealed class ShortDateTimeAttribute : ValidationAttribute
    {
        public override bool IsValid(object value)
        {
            DateTime? timePropertyValue = value as DateTime?;

            return !timePropertyValue.HasValue || timePropertyValue.Value - timePropertyValue.Value.Date == new TimeSpan(0);
        }
    }
}