public bool SetArchiveStrategy(ArchiveStrategy newArchiveStrategy)
{
bool strategyChanged = false;
// if it's not set or if the current value is lower
// than the new value, then set it. Otherwise, leave it alone.
if ((int)archiveStrategy < (int)newArchiveStrategy)
{
archiveStrategy = newArchiveStrategy;
strategyChanged = true;
}
return(strategyChanged);
}
private (DateTime, DateTime) GetNextFileDate(DateTime dateTime, ArchiveStrategy archiveStrategy, DayOfWeek firstDayOfWeek)
{
DateTime startDateTime;
DateTime endDateTime;
_logger.Debug($"Calculating date using {archiveStrategy} strategy...");
switch (archiveStrategy)
{
// Get files older than a day
case ArchiveStrategy.Daily:
endDateTime = dateTime.AddDays(-1);
startDateTime = endDateTime;
break;
// Get files older than a week
case ArchiveStrategy.Weekly:
endDateTime = dateTime.AddDays(Utils.GetPreviousDayOfWeekDifference(firstDayOfWeek, dateTime) - 1);
startDateTime = endDateTime.AddDays(-6);
break;
// Get files older than a month
case ArchiveStrategy.Monthly:
endDateTime = dateTime.AddMonths(-1);
endDateTime = new DateTime(endDateTime.Year, endDateTime.Month, DateTime.DaysInMonth(endDateTime.Year, endDateTime.Month));
startDateTime = new DateTime(endDateTime.Year, endDateTime.Month, 1);
break;
// Get files older than a year
case ArchiveStrategy.Yearly:
endDateTime = dateTime.AddYears(-1);
endDateTime = new DateTime(endDateTime.Year - 1, 12, 31);
startDateTime = new DateTime(endDateTime.Year, 1, 1);
break;
default:
throw new ApplicationException($"Archive strategy '{archiveStrategy}' is not a valid value.");
}
// Set the end of the calculated day
startDateTime = new DateTime(startDateTime.Year, startDateTime.Month, startDateTime.Day, 0, 0, 0, 0);
endDateTime = new DateTime(endDateTime.Year, endDateTime.Month, endDateTime.Day, 23, 59, 59, 999);
_logger.Debug($"Date calculated: {startDateTime.ToString(System.Threading.Thread.CurrentThread.CurrentUICulture.DateTimeFormat)} - {endDateTime.ToString(System.Threading.Thread.CurrentThread.CurrentUICulture.DateTimeFormat)}.");
// Return calculated date
return(startDateTime, endDateTime);
}
