/// <summary>
/// Возвращает период действия условия правила отмены
/// </summary>
/// <param name="condition">Условие правила отмены</param>
/// <param name="referencePointDateTime">Локальная для провайдера точка отсчёта правила отмены</param>
/// <returns>Кортеж: StartDate; EndDate</returns>
public static Tuple <DateTime, DateTime> GetActivityPeriod(CancellationRuleCondition condition, DateTime referencePointDateTime)
{
if (condition == null)
{
throw new ArgumentNullException("condition");
}
return(GetActivityPeriod(condition.CancellationBeforeArrivalMatching,
condition.CancellationBeforeArrivalUnit, condition.CancellationBeforeArrivalValue,
condition.CancellationBeforeArrivalValueMax, referencePointDateTime));
}
public decimal Calculate(CancellationRuleCondition cancellationRuleCondition, Booking booking)
{
decimal penalty = 0;
switch (cancellationRuleCondition.PenaltyCalcMode)
{
case CancellationPenaltyCalcMode.Percent:
penalty = booking.AmountBeforeTax * cancellationRuleCondition.PenaltyValue / 100;
break;
case CancellationPenaltyCalcMode.Fixed:
penalty = Math.Min(booking.AmountBeforeTax, cancellationRuleCondition.PenaltyValue);
break;
case CancellationPenaltyCalcMode.FirstNightPercent:
penalty = (booking.AmountBeforeTax / booking.RoomTypeCount) * cancellationRuleCondition.PenaltyValue / 100;
break;
case CancellationPenaltyCalcMode.PrepaymentPercent:
penalty = booking.PrepaySum * cancellationRuleCondition.PenaltyValue / 100;
break;
case CancellationPenaltyCalcMode.FirstNights:
penalty = (booking.AmountBeforeTax / booking.RoomTypeCount) * cancellationRuleCondition.PenaltyValue;
break;
}
int k = 1;
if (cancellationRuleCondition.CancellationBeforeArrivalUnit != TimeUnit.None)
{
switch (cancellationRuleCondition.CancellationBeforeArrivalMatching)
{
case CancellationBeforeArrivalMatching.AtLeast:
k = cancellationRuleCondition.CancellationBeforeArrivalUnit == TimeUnit.Day ? cancellationRuleCondition.CancellationBeforeArrivalValue * 24 : cancellationRuleCondition.CancellationBeforeArrivalValue;
break;
case CancellationBeforeArrivalMatching.Between:
int betweenValue = cancellationRuleCondition.CancellationBeforeArrivalValueMax - cancellationRuleCondition.CancellationBeforeArrivalValue;
k = cancellationRuleCondition.CancellationBeforeArrivalUnit == TimeUnit.Day ? betweenValue * 24 : betweenValue;
break;
case CancellationBeforeArrivalMatching.NoMatter:
k = _maxCancellationBeforeArrivalValue + 1;
break;
}
}
// _logger.Info( $"\t\tcondition: {cancellationRuleCondition}, penalty: {penalty} * k:{k} = {penalty * k}" );
return(penalty * k);
}
/// <summary>
/// Проверяет действует ли условие правила отмены на указанную дату
/// </summary>
/// <param name="condition">Условие правила отмены</param>
/// <param name="cancellationDateTimeLocalForProvider">Локальная для провайдера дата отмены</param>
/// <param name="referencePointDateTime">Локальная для провайдера точка отсчёта правила отмены</param>
/// <returns>true, если условие правила отмены действует на указанную дату; иначе false</returns>
public static bool IsConditionActualForDate(CancellationRuleCondition condition, DateTime cancellationDateTimeLocalForProvider, DateTime referencePointDateTime)
{
if (condition == null)
{
throw new ArgumentNullException("condition");
}
bool isActual = false;
DateTime dateMargin = condition.CancellationBeforeArrivalUnit == TimeUnit.Day
? referencePointDateTime.AddDays(-condition.CancellationBeforeArrivalValue)
: referencePointDateTime.AddHours(-condition.CancellationBeforeArrivalValue);
switch (condition.CancellationBeforeArrivalMatching)
{
case CancellationBeforeArrivalMatching.NoMatter:
isActual = true;
break;
case CancellationBeforeArrivalMatching.AtLeast:
isActual = cancellationDateTimeLocalForProvider <= dateMargin;
break;
case CancellationBeforeArrivalMatching.NoMoreThan:
isActual = cancellationDateTimeLocalForProvider >= dateMargin;
break;
case CancellationBeforeArrivalMatching.Between:
DateTime dateMarginMax = dateMargin;
dateMargin = condition.CancellationBeforeArrivalUnit == TimeUnit.Day ?
referencePointDateTime.AddDays(-condition.CancellationBeforeArrivalValueMax) :
referencePointDateTime.AddHours(-condition.CancellationBeforeArrivalValueMax);
isActual = cancellationDateTimeLocalForProvider >= dateMargin && cancellationDateTimeLocalForProvider <= dateMarginMax;
break;
}
return(isActual);
}
public decimal Calculate(CancellationRuleCondition cancellationRuleCondition, Booking booking)
{
decimal penalty = 0;
switch (cancellationRuleCondition.PenaltyCalcMode)
{
case CancellationPenaltyCalcMode.Percent:
penalty = booking.AmountBeforeTax * cancellationRuleCondition.PenaltyValue / 100;
break;
case CancellationPenaltyCalcMode.Fixed:
penalty = Math.Min(booking.AmountBeforeTax, cancellationRuleCondition.PenaltyValue);
break;
case CancellationPenaltyCalcMode.FirstNightPercent:
penalty = (booking.AmountBeforeTax / booking.NightsCount) * cancellationRuleCondition.PenaltyValue / 100;
break;
case CancellationPenaltyCalcMode.PrepaymentPercent:
penalty = booking.AmountBeforeTax * cancellationRuleCondition.PenaltyValue / 100;
break;
case CancellationPenaltyCalcMode.FirstNights:
penalty = (booking.AmountBeforeTax / booking.NightsCount) * cancellationRuleCondition.PenaltyValue;
break;
}
if (cancellationRuleCondition.CancellationBeforeArrivalMatching == CancellationBeforeArrivalMatching.NoMatter)
{
// Заметно увеличиваем штраф, в случае, когда срок применения правила не зависит от времени до заезда
penalty *= 10;
}
_logger.Info($"\t\tcondition: {cancellationRuleCondition}, penalty: {penalty}");
return(penalty);
}
/// <summary>
/// Проверяет истекло ли условие правила отмены из брони
/// </summary>
/// <param name="cancellationCondition">Условие правила отмены</param>
/// <param name="paymentDateTimeLocalForProvider">Локальная для провайдера дата и время бронирования</param>
/// <param name="referencePointDateTime">Локальная для провайдера точка отсчёта правила отмены</param>
/// <returns>true, если условие правило отмены истекло; иначе false</returns>
public static bool IsConditionExpired(CancellationRuleCondition cancellationCondition, DateTime paymentDateTimeLocalForProvider, DateTime referencePointDateTime)
{
Tuple <DateTime, DateTime> activityPeriod = GetActivityPeriod(cancellationCondition, referencePointDateTime);
return(paymentDateTimeLocalForProvider > activityPeriod.Item2);
}