public static TimeSpan GetTimeSpan(TimeRangeDivideKind kind)
{
switch (kind)
{
case TimeRangeDivideKind.Sec30:
return(new TimeSpan(0, 0, 30));
case TimeRangeDivideKind.Min1:
return(new TimeSpan(0, 1, 0));
case TimeRangeDivideKind.Min2:
return(new TimeSpan(0, 2, 0));
case TimeRangeDivideKind.Min5:
return(new TimeSpan(0, 5, 0));
case TimeRangeDivideKind.Min15:
return(new TimeSpan(0, 15, 0));
case TimeRangeDivideKind.Min30:
return(new TimeSpan(0, 30, 0));
case TimeRangeDivideKind.Hour1:
return(new TimeSpan(1, 0, 0));
case TimeRangeDivideKind.Hour2:
return(new TimeSpan(2, 0, 0));
case TimeRangeDivideKind.Hour4:
return(new TimeSpan(4, 0, 0));
case TimeRangeDivideKind.Hour8:
return(new TimeSpan(8, 0, 0));
case TimeRangeDivideKind.Day1:
return(new TimeSpan(1, 0, 0, 0));
case TimeRangeDivideKind.Day2:
return(new TimeSpan(2, 0, 0, 0));
}
return(new TimeSpan());
}
public static bool IsDividableKind(TimeRangeDivideKind kind)
{
switch (kind)
{
case TimeRangeDivideKind.Sec30:
case TimeRangeDivideKind.Min1:
case TimeRangeDivideKind.Min2:
case TimeRangeDivideKind.Min5:
case TimeRangeDivideKind.Min15:
case TimeRangeDivideKind.Min30:
case TimeRangeDivideKind.Hour1:
case TimeRangeDivideKind.Hour2:
case TimeRangeDivideKind.Hour4:
case TimeRangeDivideKind.Hour8:
case TimeRangeDivideKind.Day1:
case TimeRangeDivideKind.Day2:
return(true);
}
return(false);
}
public static DateTime GetRangeEndDateTime(TimeRangeDivideKind kind, DateTime date)
{
if (IsDividableKind(kind))
{
var span = GetTimeSpan(kind);
long restTime = (date.Ticks) % span.Ticks;
// 1分20秒など半端な数字の場合は半端な数字を消化しておく(1分-20秒=40秒を消化）
if (restTime > 0)
{
return(date.AddTicks(span.Ticks - restTime));
}
return(date.Add(span));
}
if (kind == TimeRangeDivideKind.MonthHalf)
{
DateTime currentMonth = new DateTime(date.Year, date.Month, 1);
DateTime nextMonth = currentMonth.AddMonths(1);
DateTime diff = new DateTime(nextMonth.Ticks - date.Ticks);
long halfOfMonth = (long)Math.Floor((double)(nextMonth.Ticks - currentMonth.Ticks) / 2);
if (halfOfMonth < diff.Ticks)
{
var halfDay = currentMonth.AddTicks(halfOfMonth);
if (halfDay.Hour > 0 || halfDay.Minute > 0 || halfDay.Second > 0)
{
return(new DateTime(halfDay.Year, halfDay.Month, halfDay.Day).AddDays(1));
}
return(halfDay);
}
return(date.AddTicks(diff.Ticks));
}
return(date.AddDays(1));
}
public static bool IsDividableKind(TimeRangeDivideKind kind)
{
switch (kind)
{
case TimeRangeDivideKind.Sec30:
case TimeRangeDivideKind.Min1:
case TimeRangeDivideKind.Min2:
case TimeRangeDivideKind.Min5:
case TimeRangeDivideKind.Min15:
case TimeRangeDivideKind.Min30:
case TimeRangeDivideKind.Hour1:
case TimeRangeDivideKind.Hour2:
case TimeRangeDivideKind.Hour4:
case TimeRangeDivideKind.Hour8:
case TimeRangeDivideKind.Day1:
case TimeRangeDivideKind.Day2:
return true;
}
return false;
}
public static TimeSpan GetTimeSpan(TimeRangeDivideKind kind)
{
switch (kind)
{
case TimeRangeDivideKind.Sec30:
return new TimeSpan(0,0,30);
case TimeRangeDivideKind.Min1:
return new TimeSpan(0,1,0);
case TimeRangeDivideKind.Min2:
return new TimeSpan(0, 2, 0);
case TimeRangeDivideKind.Min5:
return new TimeSpan(0, 5, 0);
case TimeRangeDivideKind.Min15:
return new TimeSpan(0, 15, 0);
case TimeRangeDivideKind.Min30:
return new TimeSpan(0, 30, 0);
case TimeRangeDivideKind.Hour1:
return new TimeSpan(1, 0, 0);
case TimeRangeDivideKind.Hour2:
return new TimeSpan(2, 0, 0);
case TimeRangeDivideKind.Hour4:
return new TimeSpan(4, 0, 0);
case TimeRangeDivideKind.Hour8:
return new TimeSpan(8,0,0);
case TimeRangeDivideKind.Day1:
return new TimeSpan(1, 0, 0, 0);
case TimeRangeDivideKind.Day2:
return new TimeSpan(2, 0, 0, 0);
}
return new TimeSpan();
}
public static DateTime GetRangeEndDateTime(TimeRangeDivideKind kind, DateTime date)
{
if (IsDividableKind(kind))
{
var span = GetTimeSpan(kind);
long restTime = (date.Ticks) % span.Ticks;
// 1分20秒など半端な数字の場合は半端な数字を消化しておく(1分-20秒=40秒を消化）
if (restTime > 0)
{
return date.AddTicks(span.Ticks - restTime);
}
return date.Add(span);
}
if (kind == TimeRangeDivideKind.MonthHalf)
{
DateTime currentMonth = new DateTime(date.Year, date.Month, 1);
DateTime nextMonth = currentMonth.AddMonths(1);
DateTime diff = new DateTime(nextMonth.Ticks - date.Ticks);
long halfOfMonth = (long)Math.Floor((double)(nextMonth.Ticks - currentMonth.Ticks) / 2);
if (halfOfMonth < diff.Ticks)
{
var halfDay = currentMonth.AddTicks(halfOfMonth);
if (halfDay.Hour > 0 || halfDay.Minute > 0 || halfDay.Second > 0)
{
return new DateTime(halfDay.Year, halfDay.Month, halfDay.Day).AddDays(1);
}
return halfDay;
}
return date.AddTicks(diff.Ticks);
}
return date.AddDays(1);
}