public ProviderResult CalculateProviderResults(
IAllocationModel model,
string specificationId,
IEnumerable <CalculationSummaryModel> calculations,
ProviderSummary provider,
IDictionary <string, ProviderSourceDataset> providerSourceDatasets,
IEnumerable <CalculationAggregation> aggregations = null)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
CalculationResultContainer calculationResultContainer = model.Execute(providerSourceDatasets, provider, aggregations);
IEnumerable <CalculationResult> calculationResultItems = calculationResultContainer.CalculationResults;
stopwatch.Stop();
IDictionary <string, double> metrics = new Dictionary <string, double>()
{
{ "calculation-provider-calcsMs", stopwatch.ElapsedMilliseconds },
{ "calculation-provider-calcsTotal", calculations.AnyWithNullCheck() ? calculations.Count() : 0 },
{ "calculation-provider-exceptions", calculationResultItems.AnyWithNullCheck() ? calculationResultItems.Count(c => !string.IsNullOrWhiteSpace(c.ExceptionMessage)) : 0 },
};
_telemetry.TrackEvent("CalculationRunProvider",
new Dictionary <string, string>()
{
{ "specificationId", specificationId },
},
metrics
);
if (calculationResultItems.AnyWithNullCheck() && calculationResultItems.Count() > 0)
{
_logger.Verbose($"Processed results for {calculationResultItems.Count()} calcs in {stopwatch.ElapsedMilliseconds}ms ({stopwatch.ElapsedMilliseconds / calculationResultItems.Count(): 0.0000}ms)");
}
else
{
_logger.Information("There are no calculations to executed for specification ID {specificationId}", specificationId);
}
byte[] plainTextBytes = System.Text.Encoding.UTF8.GetBytes($"{provider.Id}-{specificationId}");
ProviderResult providerResult = new ProviderResult
{
Id = Convert.ToBase64String(plainTextBytes),
Provider = provider,
SpecificationId = specificationId
};
if (calculationResultItems.AnyWithNullCheck())
{
foreach (CalculationResult calcResult in calculationResultItems)
{
CalculationSummaryModel calculationSummaryModel = calculations.First(c => c.Id == calcResult.Calculation.Id);
calcResult.CalculationType = calculationSummaryModel.CalculationType;
calcResult.CalculationDataType = calculationSummaryModel.CalculationValueType.ToCalculationDataType();
if (calcResult.CalculationDataType == CalculationDataType.Decimal && Decimal.Equals(decimal.MinValue, calcResult.Value))
{
// The default for the calculation is to return Decimal.MinValue - if this is the case, then subsitute a 0 value as the result, instead of the negative number.
calcResult.Value = 0;
}
}
}
//we need a stable sort of results to enable the cache checks by overall SHA hash on the results json
providerResult.CalculationResults = calculationResultContainer.CalculationResults?.OrderBy(_ => _.Calculation.Id).ToList();
providerResult.FundingLineResults = calculationResultContainer.FundingLineResults.OrderBy(_ => _.FundingLine.Id).ToList();
return(providerResult);
}
public void CalculateProviderResult_WhenCalculationsAreNotEmpty_ShouldReturnCorrectResult()
{
// Arrange
List <Reference> policySpecificationsForFundingCalc = new List <Reference>()
{
new Reference("Spec1", "SpecOne"),
new Reference("Spec2", "SpecTwo")
};
Reference fundingCalcReference = new Reference("CalcF1", "Funding calc 1");
Reference numbercalcReference = new Reference("CalcF2", "Funding calc 2");
Reference booleancalcReference = new Reference("CalcF3", "Funding calc 3");
Reference fundingLineCalcReference = new Reference("FL1", "Funding line calc 1");
CalculationResult fundingCalcReturned = new CalculationResult()
{
Calculation = fundingCalcReference,
Value = 10000
};
CalculationResult fundingCalcReturned2 = new CalculationResult()
{
Calculation = numbercalcReference,
Value = 20000
};
CalculationResult fundingCalcReturned3 = new CalculationResult()
{
Calculation = booleancalcReference,
Value = true
};
CalculationResultContainer calculationResultContainer = new CalculationResultContainer();
List <CalculationResult> calculationResults = new List <CalculationResult>()
{
fundingCalcReturned,
fundingCalcReturned2,
fundingCalcReturned3
};
calculationResultContainer.CalculationResults = calculationResults;
string fundingStreamId = "FS1";
FundingLineResult fundingLineResult = new FundingLineResult
{
Value = 1000,
FundingLine = fundingLineCalcReference,
FundingLineFundingStreamId = fundingStreamId
};
List <FundingLineResult> fundingLineResults = new List <FundingLineResult>
{
fundingLineResult
};
calculationResultContainer.FundingLineResults = fundingLineResults;
IAllocationModel mockAllocationModel = Substitute.For <IAllocationModel>();
mockAllocationModel
.Execute(Arg.Any <Dictionary <string, ProviderSourceDataset> >(), Arg.Any <ProviderSummary>())
.Returns(calculationResultContainer);
CalculationEngine calculationEngine = CreateCalculationEngine();
ProviderSummary providerSummary = CreateDummyProviderSummary();
BuildProject buildProject = CreateBuildProject();
var nonMatchingCalculationModel = new CalculationSummaryModel()
{
Id = "Non matching calculation",
Name = "Non matching calculation",
CalculationType = CalculationType.Template,
CalculationValueType = CalculationValueType.Number
};
IEnumerable <CalculationSummaryModel> calculationSummaryModels = new[]
{
new CalculationSummaryModel()
{
Id = fundingCalcReference.Id,
Name = fundingCalcReference.Name,
CalculationType = CalculationType.Template,
CalculationValueType = CalculationValueType.Number
},
new CalculationSummaryModel()
{
Id = numbercalcReference.Id,
Name = numbercalcReference.Name,
CalculationType = CalculationType.Template,
CalculationValueType = CalculationValueType.Number
},
new CalculationSummaryModel()
{
Id = booleancalcReference.Id,
Name = booleancalcReference.Name,
CalculationType = CalculationType.Template,
CalculationValueType = CalculationValueType.Boolean
},
nonMatchingCalculationModel
};
// Act
var calculateProviderResults = calculationEngine.CalculateProviderResults(mockAllocationModel, buildProject.SpecificationId, calculationSummaryModels,
providerSummary, new Dictionary <string, ProviderSourceDataset>());
ProviderResult result = calculateProviderResults;
// Assert
result.Provider.Should().Be(providerSummary);
result.SpecificationId.Should().BeEquivalentTo(buildProject.SpecificationId);
result.Id.Should().BeEquivalentTo(GenerateId(providerSummary.Id, buildProject.SpecificationId));
result.CalculationResults.Should().HaveCount(3);
result.FundingLineResults.Should().HaveCount(1);
CalculationResult fundingCalcResult = result.CalculationResults.First(cr => cr.Calculation.Id == fundingCalcReference.Id);
fundingCalcResult.Calculation.Should().BeEquivalentTo(fundingCalcReference);
fundingCalcResult.CalculationType.Should().BeEquivalentTo(CalculationType.Template);
fundingCalcResult.Value.Should().Be(fundingCalcReturned.Value);
fundingCalcResult.CalculationDataType.Should().Be(CalculationDataType.Decimal);
CalculationResult numberCalcResult = result.CalculationResults.First(cr => cr.Calculation.Id == numbercalcReference.Id);
numberCalcResult.Calculation.Should().BeEquivalentTo(numbercalcReference);
numberCalcResult.CalculationType.Should().BeEquivalentTo(CalculationType.Template);
numberCalcResult.Value.Should().Be(fundingCalcReturned2.Value);
numberCalcResult.CalculationDataType.Should().Be(CalculationDataType.Decimal);
CalculationResult booleanCalcResult = result.CalculationResults.First(cr => cr.Calculation.Id == booleancalcReference.Id);
booleanCalcResult.Calculation.Should().BeEquivalentTo(booleancalcReference);
booleanCalcResult.CalculationType.Should().BeEquivalentTo(CalculationType.Template);
booleanCalcResult.Value.Should().Be(fundingCalcReturned3.Value);
booleanCalcResult.CalculationDataType.Should().Be(CalculationDataType.Boolean);
FundingLineResult fundingLineCalcResult = result.FundingLineResults.First(cr => cr.FundingLine.Id == fundingLineCalcReference.Id);
fundingLineCalcResult.FundingLine.Should().BeEquivalentTo(fundingLineCalcReference);
fundingLineCalcResult.Value.Should().Be(fundingLineResult.Value);
fundingLineCalcResult.FundingLineFundingStreamId.Should().Be(fundingStreamId);
}
