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feat: add DateTime extensions for add and wrap, like TimeSpan

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This commit is contained in:
Jeffery Thompson
2019-12-12 14:58:00 -05:00
parent 79a98d8c10
commit 4695a80575
1 changed files with 87 additions and 0 deletions
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87
ICD.Common.Utils/Extensions/DateTimeExtensions.cs
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@@ -128,5 +128,92 @@ namespace ICD.Common.Utils.Extensions
TimeSpan diff = extends.ToUniversalTime() - origin;
return Math.Floor(diff.TotalSeconds);
}
/// <summary>
/// Adds the given number of hours to the time, wrapping every 24 hours without modifying the day.
/// </summary>
/// <param name="extends"></param>
/// <param name="hours"></param>
/// <returns></returns>
public static DateTime AddYearsAndWrap(this DateTime extends, int years)
{
years += extends.Year;
// need to check days in month due to leap year
int daysInMonth = DateTime.DaysInMonth(years, extends.Month);
int day = daysInMonth < extends.Day ? daysInMonth : extends.Day;
return new DateTime(years, extends.Month, day, extends.Hour, extends.Minute, extends.Second, extends.Millisecond);
}
/// <summary>
/// Adds the given number of hours to the time, wrapping every 24 hours without modifying the day.
/// </summary>
/// <param name="extends"></param>
/// <param name="months"></param>
/// <returns></returns>
public static DateTime AddMonthsAndWrap(this DateTime extends, int months)
{
months = MathUtils.Modulus(months + extends.Month - 1, 12) + 1;
int daysInMonth = DateTime.DaysInMonth(extends.Year, months);
int day = daysInMonth < extends.Day ? daysInMonth : extends.Day;
return new DateTime(extends.Year, months, day, extends.Hour, extends.Minute, extends.Second, extends.Millisecond);
}
/// <summary>
/// Adds the given number of hours to the time, wrapping every 24 hours without modifying the day.
/// </summary>
/// <param name="extends"></param>
/// <param name="days"></param>
/// <returns></returns>
public static DateTime AddDaysAndWrap(this DateTime extends, int days)
{
days = MathUtils.Modulus(days + extends.Day - 1, DateTime.DaysInMonth(extends.Year, extends.Month)) + 1;
return new DateTime(extends.Year, extends.Month, days, extends.Hour, extends.Minute, extends.Second, extends.Millisecond);
}
/// <summary>
/// Adds the given number of hours to the time, wrapping every 24 hours without modifying the day.
/// </summary>
/// <param name="extends"></param>
/// <param name="hours"></param>
/// <returns></returns>
public static DateTime AddHoursAndWrap(this DateTime extends, int hours)
{
hours = MathUtils.Modulus(hours + extends.Hour, 24);
return new DateTime(extends.Year, extends.Month, extends.Day, hours, extends.Minute, extends.Second, extends.Millisecond);
}
/// <summary>
/// Adds the given number of hours to the time, wrapping within the current 12 hour span, without modifying the day.
/// </summary>
/// <param name="extends"></param>
/// <param name="hours"></param>
/// <returns></returns>
public static DateTime AddHoursAndWrap12Hour(this DateTime extends, int hours)
{
int currentHour = extends.Hour;
bool am = extends.Hour < 12;
int current12Hour = MathUtils.Modulus(currentHour, 12);
int new12Hour = MathUtils.Modulus(current12Hour + hours, 12);
return am
? new DateTime(extends.Year, extends.Month, extends.Day, new12Hour, extends.Minute, extends.Second, extends.Millisecond)
: new DateTime(extends.Year, extends.Month, extends.Day, new12Hour + 12, extends.Minute, extends.Second, extends.Millisecond);
}
/// <summary>
/// Adds the given number of minutes to the time, wrapping every 60 minutes without modifying the hour.
/// </summary>
/// <param name="extends"></param>
/// <param name="minutes"></param>
/// <returns></returns>
public static DateTime AddMinutesAndWrap(this DateTime extends, int minutes)
{
minutes = MathUtils.Modulus(minutes + extends.Minute, 60);
return new DateTime(extends.Year, extends.Month, extends.Day, extends.Hour, minutes, extends.Second, extends.Millisecond);
}
}
}