/// <summary>
/// Get time rangeTypeName from start of start date of week to start of end date of week
/// </summary>
/// <param name="currentDate">Current date</param>
/// <returns>Time rangeTypeName from start of start date of week to start of end date of week</returns>
private static TimeRange _GetWeekRange(DateTime currentDate)
{
// Get first day of week for current locality
DayOfWeek firstDayOfWeekLocality = CultureInfo.CurrentCulture.DateTimeFormat.FirstDayOfWeek;
DayOfWeek dayOfWeek = currentDate.DayOfWeek;
int dayDiff = (int)firstDayOfWeekLocality - (int)dayOfWeek;
// Get start date for this week
DateTime firstDayOfWeek = currentDate.AddDays(dayDiff);
// Get end date for this week
DateTime lastDayOfWeek = currentDate.AddDays(6 + dayDiff);
TimeRange result = new TimeRange(firstDayOfWeek, lastDayOfWeek);
return result;
}
public static TimeRange GetRange(DateTime currentDate, TimeRanges rangeType)
{
TimeRange range = null;
switch (rangeType)
{
case TimeRanges.Today:
range = new TimeRange(currentDate.Date, currentDate.Date);
break;
case TimeRanges.Yesterday:
DateTime yesterday = currentDate.AddDays(-1);
range = new TimeRange(yesterday, yesterday);
break;
case TimeRanges.ThisWeek:
range = _GetWeekRange(currentDate);
break;
case TimeRanges.LastWeek:
TimeRange currentWeekRange = _GetWeekRange(currentDate);
range = _GetWeekRange(currentWeekRange.Start.AddDays(-1));
break;
case TimeRanges.ThisMonth:
range = _GetMonthRange(currentDate);
break;
case TimeRanges.LastMonth:
TimeRange currentMonthRange = _GetMonthRange(currentDate);
range = _GetMonthRange(currentMonthRange.Start.AddDays(-1));
break;
case TimeRanges.Anyday:
range = new TimeRange(DateTime.MinValue.AddYears(1753), DateTime.MaxValue.AddYears(-1000));
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
return range;
}
private static TimeRange _GetMonthRange(DateTime currentDate)
{
DateTime firstDayOfMonth = currentDate.AddDays(1 - currentDate.Day);
int dayInMonth = DateTime.DaysInMonth(currentDate.Year, currentDate.Month);
DateTime lastDayOfMonth = currentDate.AddDays(dayInMonth - currentDate.Day);
TimeRange result = new TimeRange(firstDayOfMonth, lastDayOfMonth);
return result;
}