private static bool IsPeriodActiveForDayAndTime(ValidationPeriod period, DayOfWeek day, TimeSpan time, bool testOnlyAfterMidnight)
{
var configuration = new PeriodRangeConfiguration
{
StartTime = period.StartingTimeForDay(day),
EndTime = period.EndingTimeForDay(day),
EndsTomorrow = period.IsEndTimeAfterMidnightForDay(day),
IsActiveOnlyWithinBounds = period.IsTimeBoundedForDay(day),
};
int currentTime = Convert.ToInt32(time.TotalSeconds);
return(IsTimeActiveForConfiguration(currentTime, configuration, testOnlyAfterMidnight));
}
/// <summary>
/// For a given time, and period time-range setup, and whether to restrict our search to after midnight,
/// this method tells if the given time is active or inactive within the context of the range.
/// </summary>
/// <param name="currentTime">Current time in seconds past midnight.</param>
/// <param name="configuration">Period time range setup parameters.</param>
/// <param name="testOnlyAfterMidnight">Whether we only check for activity after midnight.</param>
/// <returns>Result telling if given time is active in the configuration.</returns>
private static bool IsTimeActiveForConfiguration(int currentTime, PeriodRangeConfiguration configuration, bool testOnlyAfterMidnight)
{
// if time falls between start and end times, return true if set to be active in range
bool rangeAppliesBeforeMidnight = configuration.StartTime <= currentTime &&
((configuration.EndTime >= currentTime) || configuration.EndsTomorrow);
if (!testOnlyAfterMidnight && rangeAppliesBeforeMidnight)
{
return(configuration.IsActiveOnlyWithinBounds);
}
// if time is before end time for ending times past midnight, return true if set to be active in range
bool rangeAppliesAfterMidnight = configuration.EndsTomorrow && configuration.EndTime >= currentTime;
if (rangeAppliesAfterMidnight)
{
return(configuration.IsActiveOnlyWithinBounds);
}
return(!configuration.IsActiveOnlyWithinBounds);
}
private static bool IsValidationPeriodActive(ValidationPeriod validationPeriod, DateTimeOffset transDateTime)
{
if (validationPeriod == null || string.IsNullOrEmpty(validationPeriod.PeriodId))
{
// If no period Id given, then it is always a valid period
return(true);
}
DateTime transDate = transDateTime.Date;
TimeSpan transTime = transDateTime.TimeOfDay;
// Is the discount valid within the start and end date period?
if (InternalValidationPeriod.IsDateWithinStartEndDate(transDate, validationPeriod.ValidFrom.Date, validationPeriod.ValidTo.Date))
{
bool answerFound = false;
bool isActive = false;
// does today's configuration tell if period is active?
if (IsRangeDefinedForDay(validationPeriod, transDate.DayOfWeek))
{
isActive = IsPeriodActiveForDayAndTime(validationPeriod, transDate.DayOfWeek, transTime, false);
answerFound = true;
}
// if we don't know or got negative result, see if yesterday will activate it (if its range ends after midnight)
DayOfWeek yesterday = transDate.AddDays(-1).DayOfWeek;
bool lastRangeDefinedAfterMidnight =
IsRangeDefinedForDay(validationPeriod, yesterday) && validationPeriod.IsEndTimeAfterMidnightForDay(yesterday);
if ((!answerFound || isActive == false) && lastRangeDefinedAfterMidnight)
{
// if yesterday makes it active, set isActive = true
isActive = IsPeriodActiveForDayAndTime(validationPeriod, yesterday, transTime, true);
answerFound = true;
}
// if we still don't know, try using general configuration
if (!answerFound)
{
var configuration = new PeriodRangeConfiguration
{
StartTime = validationPeriod.StartingTime,
EndTime = validationPeriod.EndingTime,
IsActiveOnlyWithinBounds = validationPeriod.IsTimeBounded != 0,
EndsTomorrow = validationPeriod.IsEndTimeAfterMidnight != 0
};
if ((validationPeriod.StartingTime != 0) && (validationPeriod.EndingTime != 0))
{
int currentTime = Convert.ToInt32(transTime.TotalSeconds);
isActive = IsTimeActiveForConfiguration(currentTime, configuration, false);
answerFound = true;
}
}
return(answerFound ? isActive : (validationPeriod.IsTimeBounded == 1));
}
// not within date range, so active if not set to be within date range
return(validationPeriod.IsTimeBounded != 1);
}