ClassMethod Add(dateTime As %TimeStamp, value As %String, device As MGMA.Data.Device) As %Status
{
	if 'device.Activities.IsEmpty()
	{
		set lstActivity = ##class(MGMA.BL.Device).GetCurrentActivity(device.%Id())

		if lstActivity.Value = value
		{
			set prevEndDateTime = $ZDateTimeH(lstActivity.EndDateTime, 3)
			set curDateTime = $ZDateTimeH(dateTime, 3)


			if $Piece(curDateTime, ",", 1) - $Piece(prevEndDateTime, ",", 1) = 0
			{
				// Вот здесь разница между curDateTime и prevEndDateTime может быть меньше не только 120, но и меньше нуля!
				if $Piece(curDateTime, ",", 2) - $Piece(prevEndDateTime, ",", 2) < 120
				{
					set lstActivity.EndDateTime = dateTime
					return lstActivity.%Save()
				}
			}
		}
	}

	set newActivity = ##class(MGMA.Data.Activity).%New()

	set newActivity.Value = value
	set newActivity.Device = device
	set newActivity.StartDateTime = dateTime
	set newActivity.EndDateTime = dateTime

	set date = ..DateCalculate(dateTime)

	set newActivity.StartDate2 = $ZDateH(date,3)
	set newActivity.EndDate2 = $ZDateH(date,3)

	return newActivity.%Save()
}