Modules/Framework/Furion.TaskScheduler/Cron/DateTimeHelper.cs

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// MIT License
//
// Copyright (c) 2020-2022 百小僧, Baiqian Co.,Ltd and Contributors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

namespace Furion.TaskScheduler;

/// <summary>
/// 日期时间帮助类
/// </summary>
internal static class DateTimeHelper
{
    private static readonly TimeSpan OneSecond = TimeSpan.FromSeconds(1);

    public static DateTimeOffset FloorToSeconds(DateTimeOffset dateTimeOffset)
    {
        return dateTimeOffset.AddTicks(-GetExtraTicks(dateTimeOffset.Ticks));
    }

    public static bool IsRound(DateTimeOffset dateTimeOffset)
    {
        return GetExtraTicks(dateTimeOffset.Ticks) == 0;
    }

    private static long GetExtraTicks(long ticks)
    {
        return ticks % OneSecond.Ticks;
    }
}