/// <summary>
/// Gets a verbose name for this period
/// </summary>
/// <returns></returns>
public String GetPeriodName()
{
String output = "";
historyBinSize binSize = span.GetPeriodSize();
switch (binSize)
{
case historyBinSize.quartal:
output = start.Year.ToString() + start.GetQuartalName();
break;
case historyBinSize.year:
output = start.Year.ToString();
break;
case historyBinSize.month:
output = start.ToString("yyyy-MM");
break;
}
if (output == "")
{
output = start.ToShortDateString() + "-" + end.ToShortDateString();
}
return(output);
}
public static DateTime ToEndDateTime(this historyBinSize binSize, DateTime fromDate, Int32 numberOfBins = 1)
{
DateTime end = fromDate;
for (int i = 0; i < numberOfBins; i++)
{
switch (binSize)
{
case historyBinSize.day:
end = fromDate.AddDays(1);
break;
case historyBinSize.week:
end = fromDate.AddDays(7);
break;
case historyBinSize.twoWeeks:
end = fromDate.AddDays(14);
break;
case historyBinSize.ThreeYears:
end = fromDate.AddYears(3);
break;
case historyBinSize.FiveYears:
end = fromDate.AddYears(3);
break;
case historyBinSize.month:
end = fromDate.AddMonths(1);
break;
case historyBinSize.quartal:
end = fromDate.AddMonths(3);
break;
case historyBinSize.year:
end = fromDate.AddYears(1);
break;
default:
break;
}
}
return(end);
}
public static historyBinSize GetPeriodSize(this TimeSpan span)
{
historyBinSize output = historyBinSize.undefined;
if (span.TotalDays == 7)
{
return(historyBinSize.week);
}
if (span.TotalDays == 14)
{
return(historyBinSize.twoWeeks);
}
if (span.TotalDays == 1)
{
return(historyBinSize.day);
}
if (span.TotalDays > 88 && span.TotalDays < 93)
{
return(historyBinSize.quartal);
}
if (span.TotalDays > 28 && span.TotalDays < 32)
{
return(historyBinSize.month);
}
if (span.TotalDays == 365)
{
return(historyBinSize.year);
}
if (span.TotalDays == (365 * 3))
{
return(historyBinSize.ThreeYears);
}
if (span.TotalDays == (365 * 5))
{
return(historyBinSize.FiveYears);
}
return(historyBinSize.custom);
}
/// <summary>
/// Initializes a new instance of the <see cref="historyPeriodCollection"/> class.
/// </summary>
/// <param name="_start">The start.</param>
/// <param name="_end">The end.</param>
/// <param name="periodSize">Size of the period.</param>
/// <param name="lastPeriodEqual">if set to <c>true</c> the last period will be extended over <c>_end</c> date, to be equal with other periods in the collection</param>
public historyPeriodCollection(DateTime _start, DateTime _end, historyBinSize periodSize, Boolean lastPeriodEqual = true)
{
DateTime head = _start;
historyPeriod lastPeriod = null;
while (head < _end)
{
lastPeriod = periodSize.ToPeriod(head);
Add(lastPeriod);
head = lastPeriod.end;
}
if (!lastPeriodEqual)
{
lastPeriod.end = _end;
}
}
public static TimeSpan ToTimeSpan(this historyBinSize binSize, DateTime fromDate, Int32 numberOfBins = 1)
{
DateTime end = ToEndDateTime(binSize, fromDate, numberOfBins);
return(end.Subtract(fromDate));
}
public static historyPeriod ToPeriod(this historyBinSize binSize, DateTime fromDate, Int32 numberOfBins = 1)
{
DateTime end = ToEndDateTime(binSize, fromDate, numberOfBins);
return(new historyPeriod(fromDate, end));
}
