public PriceCalculationResult CalculatePrice(PriceCalculateRequest request)
{
ValidateRequest(request);
decimal value = 0.0M;
var customerServiceUsingInfos = pricingRepository.GetCustomerServicesUsing(request.CustomerId);
// any service for customer?
if (customerServiceUsingInfos?.Count > 0)
{
foreach (var customerServiceUsingInfo in customerServiceUsingInfos)
{
var serviceType = customerServiceUsingInfo.ServiceType;
var customerId = customerServiceUsingInfo.CustomerId;
var serviceStartDate = customerServiceUsingInfo.StartDate;
var today = DateTime.Now.Date;
if (request.StartDate > today)
{
// start date from future
continue;
}
if (serviceStartDate > request.EndDate)
{
// services start after requested period
continue;
}
int freeDays = pricingRepository.GetFreeDays(customerId);
var servicePaymentStartDate = serviceStartDate.AddDays(freeDays);
if (servicePaymentStartDate > today)
{
// service payment start date from future
continue;
}
if (servicePaymentStartDate > request.EndDate)
{
// service pay days start after request period
continue;
}
var basePricing = pricingRepository.GetServicePricingInfo(serviceType);
var customerPricing = pricingRepository.GetCustomerServicePricingInfo(customerId, serviceType);
var dayCost = customerPricing != null ? customerPricing.CustomBaseCost : basePricing.BaseCost;
// find startDate
var startDate = request.StartDate > servicePaymentStartDate ? request.StartDate : servicePaymentStartDate;
// find endDate
var endDate = request.EndDate < today ? request.EndDate : today;
var discountsAll = pricingRepository.GetCustomerServiceDiscounts(customerId, serviceType);
var discountsForPeriod = discountsAll
.Where(d => (d.StartDate < endDate && (!d.EndDate.HasValue || d.EndDate.Value >= startDate)))
.Select(d => new
{
StartDate = d.StartDate <startDate?startDate : d.StartDate,
EndDate = !d.EndDate.HasValue || d.EndDate.Value> endDate ? endDate : d.EndDate,
Value = d.Percent * 0.01M
})
.ToList();
while (startDate <= endDate)
{
var dayOfWeek = ((int)startDate.DayOfWeek) + 1;
if (basePricing.WorkdaysForPricing.Any(d => d == dayOfWeek))
{
decimal percent = 1.0M;
var discount = discountsForPeriod.FirstOrDefault(d => startDate >= d.StartDate && startDate <= d.EndDate);
if (discount != null)
{
percent = percent - discount.Value;
}
var dayValue = dayCost * percent;
value += dayValue;
}
startDate = startDate.AddDays(1);
}
}
}
return(new PriceCalculationResult {
Value = value
});
}
