public static DateTime RoundDateDownTo(this DateTime date, DateListIncrement increment)
{
switch (increment)
{
case DateListIncrement.Second:
date = new DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, date.Second);
break;
case DateListIncrement.Minute:
date = new DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, 0);
break;
case DateListIncrement.Hour:
date = new DateTime(date.Year, date.Month, date.Day, date.Hour, 0, 0);
break;
case DateListIncrement.Day:
date = new DateTime(date.Year, date.Month, date.Day, 0, 0, 0);
break;
case DateListIncrement.Month:
date = new DateTime(date.Year, date.Month, 1, 0, 0, 0);
break;
case DateListIncrement.Year:
date = new DateTime(date.Year, 1, 1, 0, 0, 0);
break;
default:
throw new ArgumentOutOfRangeException();
}
return(date);
}
public static IList <DateTime> CreateList(DateTime date, DateListIncrement increment, int count, int stepSize = 1, DateListIncrementRounding rounding = DateListIncrementRounding.None)
{
var dateListBuilder = new DateListBuilder
{
Count = count,
Increment = increment,
Rounding = rounding,
StepSize = stepSize,
Date = date
};
return(dateListBuilder.ToList());
}
public static DateTime RoundDateUpTo(this DateTime date, DateListIncrement increment)
{
switch (increment)
{
case DateListIncrement.Second:
date = date.Millisecond == 0
? new DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, date.Second)
: new DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, date.Second).AddSeconds(1);
break;
case DateListIncrement.Minute:
date = date.Second == 0 && date.Millisecond == 0
? new DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, 0)
: new DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, 0).AddMinutes(1);
break;
case DateListIncrement.Hour:
date = date.Minute == 0 && date.Second == 0 && date.Millisecond == 0
? new DateTime(date.Year, date.Month, date.Day, date.Hour, 0, 0)
: new DateTime(date.Year, date.Month, date.Day, date.Hour, 0, 0).AddHours(1);
break;
case DateListIncrement.Day:
date = date.Hour == 0 && date.Minute == 0 && date.Second == 0 && date.Millisecond == 0
? new DateTime(date.Year, date.Month, date.Day, 0, 0, 0)
: new DateTime(date.Year, date.Month, date.Day, 0, 0, 0).AddDays(1);
break;
case DateListIncrement.Month:
date = date.Day == 1 && date.Hour == 0 && date.Minute == 0 && date.Second == 0 && date.Millisecond == 0
? new DateTime(date.Year, date.Month, 1, 0, 0, 0)
: new DateTime(date.Year, date.Month, 1, 0, 0, 0).AddMonths(1);
break;
case DateListIncrement.Year:
date = date.Month == 1 && date.Day == 1 && date.Hour == 0 && date.Minute == 0 && date.Second == 0 && date.Millisecond == 0
? new DateTime(date.Year, 1, 1, 0, 0, 0)
: new DateTime(date.Year, 1, 1, 0, 0, 0).AddYears(1);
break;
default:
throw new ArgumentOutOfRangeException();
}
return(date);
}
