/// <summary>
/// Computes the previous zman time.
/// </summary>
/// <param name="previousTime">The previous time.</param>
/// <returns></returns>
private DateTime?ComputePreviousZmanTime(DateTime?previousTime)
{
if (!previousTime.HasValue)
{
return(null);
}
var zmanTime = Location.GetZman(previousTime.Value, ExecuteOnZman);
if (zmanTime > previousTime)
{
zmanTime = Location.GetZman(previousTime.Value.AddDays(-1), ExecuteOnZman);
}
return(zmanTime);
}
/// <summary>
/// Computes the next zman time.
/// </summary>
/// <param name="nextTime">The next time.</param>
/// <returns></returns>
private DateTime?ComputeNextZmanTime(DateTime?nextTime)
{
if (!nextTime.HasValue)
{
return(null);
}
var zmanTime = Location.GetZman(nextTime.Value, ExecuteOnZman);
if (zmanTime < nextTime)
{
zmanTime = Location.GetZman(nextTime.Value.AddDays(1), ExecuteOnZman);
}
return(zmanTime);
}
