DD.WellWorkover.Cloud/AsbCloudApp/Extensions/ChangeLogExtensions.cs

using AsbCloudApp.Data;
using AsbCloudApp.Data.ProcessMaps;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AsbCloudApp.Extensions;

/// <summary>
/// Расширения для поиска в истории
/// </summary>
public static class ChangeLogExtensions
{
    /// <summary>
    /// Действительные на момент времени значения
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="items"></param>
    /// <param name="moment"></param>
    /// <returns></returns>
    public static IEnumerable<ChangeLogDto<T>> WhereActualAtMoment<T>(this IEnumerable<ChangeLogDto<T>> items, DateTimeOffset moment)
        where T : IId
    {
        var actualItems = items
            .Where(item => item.Creation <= moment)
            .Where(item => item.Obsolete is null || item.Obsolete >= moment);

        return actualItems;
    }
}