public static IEnumerable <string> ConvertToNames(this DateTime[] periods, TimelogsPeriod period, DateTime current)
{
if (period == TimelogsPeriod.Daily)
{
return(periods.Select(p => p.ToString("dd/MM/yy")));
}
if (period == TimelogsPeriod.Weekly)
{
if (periods.Last() > current.Date)
{
throw new ArgumentException("Current date should be greate or equal to the ending period.", "current");
}
var weeks = new List <string>();
for (var i = 0; i <= periods.Length - 2; i++)
{
var w1 = periods[i];
var w2 = periods[i + 1].AddSeconds(-1);
AddWeekName(weeks, w1, w2);
}
AddWeekName(weeks, periods.Last(), current.Date);
return(weeks);
}
if (period == TimelogsPeriod.Monthly)
{
return(periods.Select(GetMonthName));
}
throw new NotSupportedException();
}
public static DateTime[] GetPeriods(DateTime current, TimelogsPeriod period, int numberOfPeriods = 9)
{
if (numberOfPeriods == 0)
{
return new DateTime[] { }
}
;
if (period == TimelogsPeriod.Daily)
{
var datePoints = new List <DateTime>();
for (var i = numberOfPeriods - 1; i >= 1; i--)
{
datePoints.Add(current.AddDays(-i).Date);
}
datePoints.Add(current);
return(datePoints.ToArray());
}
if (period == TimelogsPeriod.Weekly)
{
var datePoints = new List <DateTime>();
var weekStartingDate = GetWeekStart(current);
for (var i = numberOfPeriods - 1; i >= 1; i--)
{
datePoints.Add(weekStartingDate.AddDays(-7 * i));
}
datePoints.Add(weekStartingDate);
return(datePoints.ToArray());
}
if (period == TimelogsPeriod.Monthly)
{
var datePoints = new List <DateTime>();
var monthStartingDate = new DateTime(current.Year, current.Month, 1);
for (var i = numberOfPeriods - 1; i >= 0; i--)
{
datePoints.Add(monthStartingDate.AddMonths(-i));
}
return(datePoints.ToArray());
}
return(new DateTime[] { });
}
