public async Task <SubscriptionViewModel> AskAsync(SubscriptionViewModelCriterion criterion)
{
var allProductsCriterion = new AllProductsCriterion();
var products = await _queryBuilder.For <List <Product> >().WithAsync(allProductsCriterion);
var productsSumInSubscriptionCriterion = new CalculateProductsSumInSubscriptionCriterion();
var sum = await _queryBuilder.For <double>().WithAsync(productsSumInSubscriptionCriterion);
var deliveryIntervalForSubscriptionCriterion = new DeliveryIntervalWithTemplateForSubscriptionCriterion();
var deliveryInterval = await _queryBuilder.For <DeliveryInterval>().WithAsync(deliveryIntervalForSubscriptionCriterion);
var subscriptionDatesCriterion = new SubscriptionDatesForSubscriptionCriterion();
var subscriptionDates = await _queryBuilder.For <List <SubscriptionDate> >().WithAsync(subscriptionDatesCriterion);
var calculateSpentAmountCriterion = new CalculateSpentAmountCriterion(criterion.PointedTodayDate, sum);
var spentAmount = await _queryBuilder.For <double>().WithAsync(calculateSpentAmountCriterion);
var deliveryDatesCriterion = new DeliveryDatesCriterion(criterion.PointedTodayDate, criterion.PointedTodayDate.AddMonths(3));
var deliveryDates = await _queryBuilder.For <List <DateTime> >().WithAsync(deliveryDatesCriterion);
var viewModel = new SubscriptionViewModel
{
Today = criterion.PointedTodayDate,
Products = products,
DeliveryInterval = deliveryInterval,
SubscriptionDates = subscriptionDates,
ProductsPricesSum = sum,
SpentAmount = spentAmount,
DeliveryDates = deliveryDates
};
return(viewModel);
}
public async Task <List <SubscriptionDate> > AskAsync(SubscriptionDatesForSubscriptionCriterion criterion)
{
var subscriptionIdCriterion = new SubscriptionIdCriterion();
var subscriptionId = await _queryBuilder.For <long>().WithAsync(subscriptionIdCriterion);
var repositoryCriterion = new SubscriptionDatesForSubscriptionRepositoryCriterion(subscriptionId);
return(await _queryBuilder.For <List <SubscriptionDate> >().WithAsync(repositoryCriterion));
}
public async Task <double> AskAsync(CalculateSpentAmountCriterion criterion)
{
double calculatedSpendedAmount = 0;
var subscriptionDatesCriterion = new SubscriptionDatesForSubscriptionCriterion();
var subscriptionDates = await _queryBuilder.For <List <SubscriptionDate> >().WithAsync(subscriptionDatesCriterion);
subscriptionDates = subscriptionDates.OrderBy(x => x.Date).ToList();
var firstSubscriptionDate = subscriptionDates.FirstOrDefault();
if (firstSubscriptionDate == null)
{
return(calculatedSpendedAmount);
}
if (firstSubscriptionDate.Date >= criterion.Today)
{
return(calculatedSpendedAmount);
}
var subscriptionActiveIntervals = new List <SubscriptionActiveInterval>();
SubscriptionActiveInterval activeInterval = null;
foreach (var subscriptionDate in subscriptionDates)
{
if (subscriptionDate.Date >= criterion.Today)
{
break;
}
if (subscriptionDate.Type == SubscriptionDateType.Start)
{
activeInterval = new SubscriptionActiveInterval(criterion.Today)
{
BeginAt = subscriptionDate.Date
};
subscriptionActiveIntervals.Add(activeInterval);
}
else
{
activeInterval.EndAt = subscriptionDate.Date;
}
}
var deliveryIntervalForSubscriptionCriterion = new DeliveryIntervalWithTemplateForSubscriptionCriterion();
var deliveryInterval = await _queryBuilder.For <DeliveryInterval>().WithAsync(deliveryIntervalForSubscriptionCriterion);
foreach (var subscriptionActiveInterval in subscriptionActiveIntervals)
{
var cronInstance = CrontabSchedule.Parse(deliveryInterval.CronString, CronStringFormat.WithSeconds);
var nextOccurrences = cronInstance.GetNextOccurrences(subscriptionActiveInterval.BeginAt, subscriptionActiveInterval.EndAt);
calculatedSpendedAmount += nextOccurrences.Count() * criterion.SumOfProductsInSubscription;
}
return(calculatedSpendedAmount);
}
public async Task <List <DateTime> > AskAsync(DeliveryDatesCriterion criterion)
{
var deliveryDates = new List <DateTime>();
var today = criterion.Today;
var showThreeMonthsAhead = criterion.ShowUntil;
var subscriptionDatesCriterion = new SubscriptionDatesForSubscriptionCriterion();
var subscriptionDates = await _queryBuilder.For <List <SubscriptionDate> >().WithAsync(subscriptionDatesCriterion);
subscriptionDates = subscriptionDates.OrderByDescending(x => x.Date).ToList();
var lastSubscriptionDate = subscriptionDates.FirstOrDefault();
if (lastSubscriptionDate == null)
{
return(deliveryDates);
}
if (lastSubscriptionDate.Type == SubscriptionDateType.Suspend && lastSubscriptionDate.Date <= today)
{
return(deliveryDates);
}
var subscriptionActiveIntervals = new List <SubscriptionActiveInterval>();
SubscriptionActiveInterval activeInterval = null;
foreach (var subscriptionDate in subscriptionDates)
{
if (subscriptionDate.Date <= today)
{
if (subscriptionActiveIntervals.Any())
{
break;
}
activeInterval = new SubscriptionActiveInterval
{
BeginAt = today,
EndAt = showThreeMonthsAhead
};
subscriptionActiveIntervals.Add(activeInterval);
break;
}
if (subscriptionDate.Type == SubscriptionDateType.Suspend)
{
activeInterval = new SubscriptionActiveInterval
{
BeginAt = today,
EndAt = subscriptionDate.Date
};
subscriptionActiveIntervals.Add(activeInterval);
}
else
{
if (activeInterval == null)
{
activeInterval = new SubscriptionActiveInterval(showThreeMonthsAhead);
}
activeInterval.BeginAt = subscriptionDate.Date;
}
}
var deliveryIntervalForSubscriptionCriterion = new DeliveryIntervalWithTemplateForSubscriptionCriterion();
var deliveryInterval = await _queryBuilder.For <DeliveryInterval>().WithAsync(deliveryIntervalForSubscriptionCriterion);
foreach (var subscriptionActiveInterval in subscriptionActiveIntervals)
{
var cronInstance = CrontabSchedule.Parse(deliveryInterval.CronString, CronStringFormat.WithSeconds);
var nextOccurrences = cronInstance.GetNextOccurrences(subscriptionActiveInterval.BeginAt, subscriptionActiveInterval.EndAt);
deliveryDates.AddRange(nextOccurrences);
}
return(deliveryDates);
}
