public static ArgumentUtilitiesHandle <DateTime> EnsureSameKind(this ArgumentUtilitiesHandle <DateTime> hnd, ArgumentUtilitiesHandle <DateTime> other)
{
DateTimeUtilities.EnsureSameKind(hnd.Value, other.Value, altDateAArgName: hnd.Name, altDateBArgName: other.Name);
return(hnd);
}
// TODO: Put strings into the resources.
//
public static void GetDatePeriod(this DateTimeOffset referenceDateTime, DatePeriodKind kind, out DateTimeOffset periodFrom, out DateTimeOffset periodUntil, ArgumentPlaceholder <DayOfWeek> firstDayOfWeek = default)
{
if (kind == DatePeriodKind.Any)
{
throw new ArgumentOutOfRangeException(nameof(kind));
}
//
DateTimeOffset locPeriodFrom, locPeriodUntil;
var locFirstDayOfWeek = firstDayOfWeek.Substitute(value: CultureInfo.CurrentCulture.DateTimeFormat.FirstDayOfWeek);
var referenceDate =
new DateTimeOffset(
year: referenceDateTime.Year,
month: referenceDateTime.Month,
day: referenceDateTime.Day,
hour: 0,
minute: 0,
second: 0,
offset: referenceDateTime.Offset);
var referenceDateUntil = referenceDate.AddDays(1.0D);
switch (kind)
{
case DatePeriodKind.CurrentMonth:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, referenceDate.Month, 1, 0, 0, 0, referenceDate.Offset);
locPeriodUntil = locPeriodFrom.AddMonths(1);
break;
case DatePeriodKind.CurrentDay:
locPeriodFrom = referenceDate;
locPeriodUntil = locPeriodFrom.AddDays(1.0);
break;
case DatePeriodKind.CurrentWeek:
locFirstDayOfWeek = CultureInfo.CurrentCulture.DateTimeFormat.FirstDayOfWeek;
locPeriodFrom = referenceDate.AddDays(-(NumberOfDayOfWeek(referenceDate.DayOfWeek, locFirstDayOfWeek) - 1));
locPeriodUntil = locPeriodFrom.AddDays(7.0);
break;
case DatePeriodKind.CurrentQuarter:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, (int)Math.Ceiling(referenceDate.Month / 3.0D) * 3, 1, 0, 0, 0, referenceDate.Offset).AddMonths(-2);
locPeriodUntil = locPeriodFrom.AddMonths(3);
break;
case DatePeriodKind.CurrentHalfOfYear:
locPeriodFrom = referenceDate.Month > 6 ? new DateTimeOffset(referenceDate.Year, 7, 1, 0, 0, 0, referenceDate.Offset) : new DateTimeOffset(referenceDate.Year, 1, 1, 0, 0, 0, referenceDate.Offset);
locPeriodUntil = locPeriodFrom.AddMonths(6);
break;
case DatePeriodKind.CurrentYear:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, 1, 1, 0, 0, 0, referenceDate.Offset);
locPeriodUntil = locPeriodFrom.AddYears(1);
break;
case DatePeriodKind.BeginOfMonth:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, referenceDate.Month, 1, 0, 0, 0, referenceDate.Offset);
locPeriodUntil = referenceDateUntil;
break;
case DatePeriodKind.BeginOfWeek:
locPeriodFrom = referenceDate.AddDays(-(DateTimeUtilities.NumberOfDayOfWeek(referenceDate.DayOfWeek, locFirstDayOfWeek) - 1));
locPeriodUntil = referenceDateUntil;
break;
case DatePeriodKind.BeginOfQuarter:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, (int)Math.Ceiling(referenceDate.Month / 3.0D) * 3, 1, 0, 0, 0, referenceDate.Offset).AddMonths(-2);
locPeriodUntil = referenceDate;
break;
case DatePeriodKind.BeginOfHalfOfYear:
locPeriodFrom = referenceDate.Month > 6 ? new DateTimeOffset(referenceDate.Year, 7, 1, 0, 0, 0, referenceDate.Offset) : new DateTimeOffset(referenceDate.Year, 1, 1, 0, 0, 0, referenceDate.Offset);
locPeriodUntil = referenceDateUntil;
break;
case DatePeriodKind.BeginOfYear:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, 1, 1, 0, 0, 0, referenceDate.Offset);
locPeriodUntil = referenceDateUntil;
break;
case DatePeriodKind.PreviousDay:
locPeriodFrom = referenceDate.AddDays(-1);
locPeriodUntil = referenceDate;
break;
case DatePeriodKind.PreviousWeek:
locPeriodFrom = referenceDate.AddDays(-(NumberOfDayOfWeek(referenceDate.DayOfWeek, locFirstDayOfWeek) + 6));
locPeriodUntil = locPeriodFrom.AddDays(7.0);
break;
case DatePeriodKind.PreviousMonth:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, referenceDate.Month, 1, 0, 0, 0, 0, referenceDate.Offset).AddMonths(-1);
locPeriodUntil = locPeriodFrom.AddMonths(1);
break;
case DatePeriodKind.PreviousQuarter:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, (int)Math.Ceiling(referenceDate.Month / 3.0D) * 3, 1, 0, 0, 0, referenceDate.Offset).AddMonths(-5);
locPeriodUntil = locPeriodFrom.AddMonths(3);
break;
case DatePeriodKind.PreviousHalfOfYear:
locPeriodFrom = referenceDate.Month > 6 ? new DateTimeOffset(referenceDate.Year, 7, 1, 0, 0, 0, referenceDate.Offset).AddMonths(-6) : new DateTimeOffset(referenceDate.Year, 1, 1, 0, 0, 0, referenceDate.Offset).AddMonths(-6);
locPeriodUntil = locPeriodFrom.AddMonths(6);
break;
case DatePeriodKind.PreviousYear:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, 1, 1, 0, 0, 0, referenceDate.Offset).AddYears(-1);
locPeriodUntil = locPeriodFrom.AddYears(1);
break;
case DatePeriodKind.NextDay:
locPeriodFrom = referenceDate.AddDays(1);
locPeriodUntil = locPeriodFrom.AddDays(1);
break;
case DatePeriodKind.NextWeek:
locPeriodFrom = referenceDate.AddDays(-(NumberOfDayOfWeek(referenceDate.DayOfWeek, locFirstDayOfWeek) - 8));
locPeriodUntil = locPeriodFrom.AddDays(7.0);
break;
case DatePeriodKind.NextMonth:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, referenceDate.Month, 1, 0, 0, 0, 0, referenceDate.Offset).AddMonths(1);
locPeriodUntil = locPeriodFrom.AddMonths(1);
break;
case DatePeriodKind.NextQuarter:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, (int)Math.Ceiling(referenceDate.Month / 3.0D) * 3, 1, 0, 0, 0, referenceDate.Offset).AddMonths(1);
locPeriodUntil = locPeriodFrom.AddMonths(3);
break;
case DatePeriodKind.NextHalfOfYear:
locPeriodFrom = referenceDate.Month > 6 ? new DateTimeOffset(referenceDate.Year, 7, 1, 0, 0, 0, referenceDate.Offset).AddMonths(6) : new DateTimeOffset(referenceDate.Year, 1, 1, 0, 0, 0, referenceDate.Offset).AddMonths(6);
locPeriodUntil = locPeriodFrom.AddMonths(6);
break;
case DatePeriodKind.NextYear:
locPeriodFrom = new DateTimeOffset(referenceDate.Year, 1, 1, 0, 0, 0, referenceDate.Offset).AddYears(1);
locPeriodUntil = locPeriodFrom.AddYears(1);
break;
default:
throw new ArgumentOutOfRangeException(nameof(kind), $"Значение '{kind}' (тип '{kind.GetType().FullName}' не поддерживается).");
}
periodFrom = locPeriodFrom;
periodUntil = locPeriodUntil;
}
