DD.WellWorkover.Cloud/AsbCloudApp/Data/SimpleTimezoneDto.cs

using System;

namespace AsbCloudApp.Data;

/// <summary>
/// временная зона
/// </summary>
public class SimpleTimezoneDto
{
    /// <summary>
    /// смещение в часах относительно UTC
    /// </summary>
    public double Hours { get; set; }

    /// <summary>
    /// идентификатор часовой зоны
    /// </summary>
    public string? TimezoneId { get; set; }

    /// <summary>
    /// запрет на переопределение
    /// </summary>
    public bool IsOverride { get; set; }

    /// <summary>
    /// Смещение часового пояса
    /// </summary>
    public TimeSpan Offset => TimeSpan.FromHours(Hours);

    /// <inheritdoc/>
    public override bool Equals(object? obj)
    {
        if (obj is SimpleTimezoneDto tTimeZone
            && tTimeZone.Hours == Hours
            && tTimeZone.TimezoneId == TimezoneId
            && tTimeZone.IsOverride == IsOverride)
            return true;
        return false;
    }

    /// <inheritdoc/>
    public override int GetHashCode()
       => Hours.GetHashCode()
        | TimezoneId?.GetHashCode()??-1
        | IsOverride.GetHashCode();

    /// <inheritdoc/>
    public override string ToString()
        => $"{TimezoneId} (UTC+{Hours:00.##})";
}