public ProjectedResourceUsageDTO(ProjectedResourceUsage projection)
{
this.TenantId = projection.TenantId;
this.Resource = projection.Resource;
this.BillingPeriodId = projection.Period.BillingPeriodId;
this.BillingPeriodStart = projection.Period.PeriodStart;
this.BillingPeriodEnd = projection.Period.PeriodEnd;
this.ActualUsage = projection.ActualUsage;
this.ProjectedUsageTotal = projection.ProjectedUsageTotal;
this.DaysRemainingInPeriod = projection.DaysRemainingInPeriod;
this.AverageDailyUsage = projection.AverageDailyUsage;
this.Rate = projection.Rate;
this.CurrentCost = projection.CurrentCost();
this.ProjectedCost = projection.ProjectedCost();
}
public async Task <IEnumerable <ProjectedResourceUsage> > GetProjectedResourceUsages(int tenantId, BillingPeriod period, DateTime now)
{
var usages = await GetResourceUsage(tenantId, period);
var usageRates = await GetResourceUsageRates(period);
var projections = new List <ProjectedResourceUsage>();
foreach (var usage in usages)
{
var sampledDays = (DateTime.Now - period.PeriodStart).TotalDays + 1;
var projectedUsageTotal = Util.ResourceProjection.TotalForPeriod(usage.Usage,
period.PeriodStart,
period.PeriodEnd,
now);
var rate = usageRates
.Where(r => r.ResourceType == usage.ResourceType)
.Select(r => r)
.FirstOrDefault();
if (rate == null)
{
continue;
}
var projected = new ProjectedResourceUsage
{
TenantId = tenantId,
Resource = usage.ResourceType,
Period = period,
ActualUsage = usage.Usage,
ProjectedUsageTotal = projectedUsageTotal,
DaysRemainingInPeriod = (period.PeriodEnd - DateTime.Now).TotalDays,
AverageDailyUsage = usage.Usage / sampledDays,
Rate = rate.Rate,
};
projections.Add(projected);
}
return(projections);
}
