/// <summary>
/// Do the sampling
/// </summary>
/// <param name="value">The timestamp</param>
/// <param name="local">use UTC time zone</param>
/// <param name="factor">use factor of the time unit</param>
/// <returns>The projected timestamp</returns>
public static DateTimeOffset DoSampling(DateTimeOffset value, bool local, int factor = 1)
{
var timezone = GetTimeZone();
if (local && timezone != null)
{
var dt = TimeZoneSource.ConvertUtcToLocal(value, timezone);
value = new DateTimeOffset(dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, default(TimeSpan));
}
int month = value.Month;
if (factor != 1)
{
month = value.Month - 1;
var reminder = month % factor;
if (reminder != 0)
{
month = month - reminder;
}
month++;
}
return(new DateTimeOffset(value.Year, month, NatualValues.DayOfMonth, NatualValues.Hour, NatualValues.Minute, NatualValues.Second, value.Offset));
}
/// <summary>
/// Do the sampling
/// </summary>
/// <param name="value">The timestamp</param>
/// <param name="local">use UTC time zone</param>
/// <param name="firstDay">The first day of the week</param>
/// <param name="factor">use factor of the time unit</param>
/// <returns>The projected timestamp</returns>
public static DateTimeOffset DoSampling(DateTimeOffset value, bool local, string firstDay, int factor = 1)
{
var timezone = GetTimeZone();
if (local && timezone != null)
{
var dt = TimeZoneSource.ConvertUtcToLocal(value, timezone);
value = new DateTimeOffset(dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, default(TimeSpan));
}
var offset = ProjectByDayOfWeek.GetOffset(value.DayOfWeek, firstDay, factor);
value = value.AddDays(offset);
return(new DateTimeOffset(value.Year, value.Month, value.Day, NatualValues.Hour, NatualValues.Minute, NatualValues.Second, value.Offset));
}
/// <summary>
/// Do the sampling
/// </summary>
/// <param name="value">The timestamp</param>
/// <param name="local">use UTC time zone</param>
/// <param name="factor">use factor of the time unit</param>
/// <returns>The projected timestamp</returns>
public static DateTimeOffset DoSampling(DateTimeOffset value, bool local, int factor = 1)
{
var timezone = GetTimeZone();
if (local && timezone != null)
{
var dt = TimeZoneSource.ConvertUtcToLocal(value, timezone);
value = new DateTimeOffset(dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, default(TimeSpan));
}
var second = value.Second;
if (factor != 1)
{
var reminder = second % factor;
if (reminder != 0)
{
second = second - reminder;
}
}
return(new DateTimeOffset(value.Year, value.Month, value.Day, value.Hour, value.Minute, second, value.Offset));
}
/// <summary>
/// Do the sampling
/// </summary>
/// <param name="value">The timestamp</param>
/// <param name="local">use UTC time zone</param>
/// <param name="firstDay">The first day of the week</param>
/// <param name="factor">use factor of the time unit</param>
/// <returns>The projected timestamp</returns>
public static DateTimeOffset DoSampling(DateTimeOffset value, bool local, string firstDay = "sunday", int factor = 1)
{
var timezone = GetTimeZone();
if (local && timezone != null)
{
var dt = TimeZoneSource.ConvertUtcToLocal(value, timezone);
value = new DateTimeOffset(dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, default(TimeSpan));
}
if (firstDay.ToLower() == "monday")
{
return(new DateTimeOffset(NatualValues.YearFirstWeekMonday1970, NatualValues.MonthFirstWeekMonday1970, NatualValues.DayOfWeekMonday1970, value.Hour, value.Minute, value.Second, value.Offset));
}
else if (firstDay.ToLower() == "saturday")
{
return(new DateTimeOffset(NatualValues.Year, NatualValues.Month, NatualValues.DayOfWeekSaturday1970, value.Hour, value.Minute, value.Second, value.Offset));
}
else
{
return(new DateTimeOffset(NatualValues.Year, NatualValues.Month, NatualValues.DayOfWeekSunday1970, value.Hour, value.Minute, value.Second, value.Offset));
}
}