} // SecondCustomCalendarHalfyearsTest
private ITimeCalendar GetFiscalYearCalendar(FiscalYearAlignment yearAlignment)
{
return(new TimeCalendar(
new TimeCalendarConfig
{
YearType = YearType.FiscalYear,
YearBaseMonth = YearMonth.September,
FiscalFirstDayOfYear = DayOfWeek.Sunday,
FiscalYearAlignment = yearAlignment,
FiscalQuarterGrouping = FiscalQuarterGrouping.FourFourFiveWeeks
}));
} // GetFiscalYearCalendar
} // GetYear
// ----------------------------------------------------------------------
public static DateTime GetStartOfMonth(int year, YearMonth month, YearMonth yearBaseMonth, DayOfWeek yearStartDay,
FiscalYearAlignment yearAlignment, FiscalQuarterGrouping quarterGrouping)
{
int diffMonthCount = month - yearBaseMonth;
if (diffMonthCount < 0)
{
year--;
diffMonthCount = TimeSpec.MonthsPerYear + diffMonthCount;
}
DateTime startOfYear = GetStartOfYear(year, yearBaseMonth, yearStartDay, yearAlignment);
int fiveWeekMonthCount = (diffMonthCount + (int)quarterGrouping) / TimeSpec.MonthsPerQuarter;
return(startOfYear.AddDays(
(diffMonthCount * TimeSpec.FiscalDaysPerShortMonth) + (fiveWeekMonthCount * TimeSpec.DaysPerWeek)));
} // GetStartOfMonth
} // GetStartOfQuarter
#endregion
#region Halfyear
// ----------------------------------------------------------------------
public static DateTime GetStartOfHalfyear(int year, YearHalfyear halfyear, YearMonth yearBaseMonth, DayOfWeek yearStartDay,
FiscalYearAlignment yearAlignment)
{
DateTime startOfYear = GetStartOfYear(year, yearBaseMonth, yearStartDay, yearAlignment);
DateTime startOfHalfyear;
switch (yearAlignment)
{
case FiscalYearAlignment.None:
startOfHalfyear = startOfYear.AddMonths(((int)halfyear - 1) * TimeSpec.MonthsPerHalfyear);
break;
case FiscalYearAlignment.LastDay:
case FiscalYearAlignment.NearestDay:
startOfHalfyear = startOfYear.AddDays(((int)halfyear - 1) * TimeSpec.FiscalWeeksPerHalfyear * TimeSpec.DaysPerWeek);
break;
default:
throw new InvalidOperationException(string.Format("unknown year alignment {0}", yearAlignment));
}
return(startOfHalfyear);
} // GetStartOfHalfyear
} // GetFiscalYear
// ----------------------------------------------------------------------
public static DateTime GetStartOfYear(int year, YearMonth yearBaseMonth, DayOfWeek yearStartDay, FiscalYearAlignment yearAlignment)
{
DateTime startOfYear = new DateTime(year, (int)yearBaseMonth, 1);
switch (yearAlignment)
{
case FiscalYearAlignment.None:
break;
case FiscalYearAlignment.LastDay:
while (startOfYear.DayOfWeek != yearStartDay)
{
startOfYear = startOfYear.AddDays(-1);
}
break;
case FiscalYearAlignment.NearestDay:
int diffDayCount = Math.Abs((int)startOfYear.DayOfWeek - (int)yearStartDay);
startOfYear = startOfYear.AddDays(diffDayCount > 3 ? TimeSpec.DaysPerWeek - diffDayCount : -diffDayCount);
break;
default:
throw new InvalidOperationException(string.Format("unknown year alignment {0}", yearAlignment));
}
return(startOfYear);
} // GetStartOfYear
