prs/prs.shared/Objects/LicenseTrackingItem.cs

using InABox.Core;

namespace PRS.Shared
{
    public class LicenseTrackingItem : BaseObject
    {
        [NullEditor]
        public String Type { get; set; }
        
        [EditorSequence(1)]
        [TextBoxEditor]
        public string Caption { get; set; }
        
        [NullEditor]
        public List<Guid> UserIDs { get; private set; }

        [EditorSequence(2)] 
        [IntegerEditor(Alignment = Alignment.MiddleCenter)] 
        public int Users => UserIDs?.Count ?? 0;

        [EditorSequence(3)]
        [CurrencyEditor]
        public double Rate { get; set; }

        [EditorSequence(4)]
        [CurrencyEditor(Summary = Summary.Sum)]
        public double ExGST => Users * Rate;

        public LicenseTrackingItem()
        {
            UserIDs = new();
        }
    }
}