/// <summary>
/// Truncates a date on a specified step of time.
/// </summary>
/// <param name="dateTime">The date to truncate.</param>
/// <param name="stepType">The time step.</param>
/// <returns>Truncated date.</returns>
public static DateTime Truncat(this DateTime dateTime, DateStep stepType)
{
switch (stepType)
{
case DateStep.Second:
return(new DateTime(dateTime.Year, dateTime.Month, dateTime.Day, dateTime.Hour, dateTime.Minute, dateTime.Second, dateTime.Kind));
case DateStep.Minute:
return(new DateTime(dateTime.Year, dateTime.Month, dateTime.Day, dateTime.Hour, dateTime.Minute, 0, dateTime.Kind));
case DateStep.Hour:
return(new DateTime(dateTime.Year, dateTime.Month, dateTime.Day, dateTime.Hour, 0, 0, dateTime.Kind));
case DateStep.Day:
return(new DateTime(dateTime.Year, dateTime.Month, dateTime.Day, 0, 0, 0, dateTime.Kind));
case DateStep.Month:
return(new DateTime(dateTime.Year, dateTime.Month, 1, 0, 0, 0, dateTime.Kind));
case DateStep.Year:
return(new DateTime(dateTime.Year, 1, 1, 0, 0, 0, dateTime.Kind));
default:
return(dateTime);
}
}
/// <summary>
/// Loops between two dates with the step type and a step value of <c>1</c>.
/// </summary>
/// <param name="startDate">Start date.</param>
/// <param name="endDate">End date.</param>
/// <param name="stepType">Step type.</param>
/// <returns>Collection of dates.</returns>
public static IEnumerable <DateTime> LoopBetweenDates(this DateTime startDate, DateTime endDate, DateStep stepType)
{
return(LoopBetweenDates(startDate, endDate, stepType, 1));
}
/// <summary>
/// Loops between two dates with the specified step.
/// </summary>
/// <param name="startDate">Start date.</param>
/// <param name="endDate">End date.</param>
/// <param name="stepType">Step type.</param>
/// <param name="stepValue">Increment value between steps.</param>
/// <returns>Collection of dates.</returns>
public static IEnumerable <DateTime> LoopBetweenDates(this DateTime startDate, DateTime endDate, DateStep stepType, int stepValue)
{
for (DateTime date = startDate.Truncat(stepType); date <= endDate.Truncat(stepType); date = _dateStepDelegates[stepType](date, stepValue))
{
yield return(date);
}
}
/// <summary>
/// Loops between a date and now with the step type and a step value of <c>1</c>.
/// </summary>
/// <param name="startDate">Start date.</param>
/// <param name="stepType">Step type.</param>
/// <returns>Collection of dates.</returns>
public static IEnumerable <DateTime> LoopBetweenDates(this DateTime startDate, DateStep stepType)
{
return(LoopBetweenDates(startDate, ServiceProviderAccessor.ClockProvider.Now, stepType, 1));
}