prs/prs.classes/Entities/Activity/LeaveActivityLink.cs

using System;
using System.Linq;
using InABox.Core;

namespace Comal.Classes
{
    internal class LeaveRequestActivityLookup : BaseActivityLookup<LeaveRequest>
    {
        public LeaveRequestActivityLookup(LeaveRequest[] items) : base(items)
        {
        }

        protected override Guid EmployeeID()
        {
            return Items != null && Items.Any() ? Items.FirstOrDefault().EmployeeLink.ID : CoreUtils.FullGuid;
        }

        protected override Filter<EmployeeActivity> CreateFilter()
        {
            return base.CreateFilter().And(x => x.Activity.IsLeave).IsEqualTo(true);
        }
    }

    public class LeaveRequestActivityLink : BaseActivityLink
    {
        [ComboLookupEditor(typeof(LeaveRequestActivityLookup))]
        public override Guid ID { get; set; }
    }
}