public static async Task Start(string program, string[] args, Dictionary <string, string> dictionary = null, ILambdaContext lambdaContext = null) { var settings = MarkdownFunctionSettings.FromModelConfiguration(dictionary, lambdaContext); var container = RegisterDependancies(settings, lambdaContext); var logger = container.GetInstance <ILogger>(); using (AsyncScopedLifestyle.BeginScope(container)) { try { await Run(logger, settings, container); } catch (PostgresException e) { logger.Error(e, "Postgres exception: {Detail}", e.Detail); throw; } catch (Exception e) { logger.Error(e, "Unhandled exception happened in the model"); throw; } } }
private async Task <VmRecommendation> Revise(int clientId, SmRecommendationProductSummary product, List <VmScenarioRevision> revisions) { var constraints = revisions .Take(1) .Concat(revisions.Zip(revisions.Skip(1), (first, second) => second.Week > first.Week && second.Discount > first.Discount ? second : null)) .Where(x => x != null) .Select(x => SmWeekConstraint.Fixed(x.Week, (decimal)x.Discount)) .ToList(); if (!constraints.Any()) { throw new HttpStatusCodeException(HttpStatusCode.BadRequest, "No markdowns in the revision model data"); } var scenarioSummary = await _scenarioWebService.Get(clientId, product.ScenarioId); if (scenarioSummary == null) { throw new HttpStatusCodeException(HttpStatusCode.InternalServerError, $"Missing scenario for client id ${product.ClientId} with scenario id ${product.ScenarioId}"); } var weeks = Enumerable.Range(scenarioSummary.Scenario.ScheduleWeekMin, scenarioSummary.Scenario.ScheduleWeekMax - scenarioSummary.Scenario.ScheduleWeekMin + 1).ToList(); if (constraints.Select(x => x.Week).Except(weeks).Any()) { throw new HttpStatusCodeException(HttpStatusCode.BadRequest, "All revision weeks must be within [ScheduleWeekMin..ScheduleWeekMax]"); } var settings = MarkdownFunctionSettings.FromWebApiConfiguration(product.ModelId, 100, product.ScenarioId, _organisationDataProvider.OrganisationId.Value, _organisationDataProvider.UserId.Value, product.PartitionNumber, product.PartitionCount); var modelData = await _scenarioService.GetModelData(settings); var scenarioData = await _scenarioService.GetScenarioData(settings, settings.PartitionId); var productData = scenarioData.Item2.FirstOrDefault(x => x.ProductId == product.ProductId); if (productData == null) { throw new HttpStatusCodeException(HttpStatusCode.InternalServerError, "Missing original product by id " + product.ProductId); } var revisionValues = revisions.Select(x => (decimal)x.Discount).ToList(); var constraintValues = constraints .Select(x => x.Min) .Concat(constraints.Select(x => x.Max)) .Distinct() .Where(x => x != null) .Select(x => (decimal)x) .ToList(); if (constraintValues.Except(productData.PriceLadder.Values).Any()) { throw new HttpStatusCodeException(HttpStatusCode.BadRequest, "All revision discounts must be price ladder values"); } var modelId = product.ModelId; var revisionId = product.RevisionCount + 1; // Caculate the mask passed in var revisionMask = weeks .Select((x, i) => new { Week = x, Index = i }) .Where(item => constraints.Any(x => x.Week == item.Week)) .Aggregate(0, (current, item) => current | 1 << item.Index); var schedules = new List <SmDenseSchedule> { SmDenseSchedule.FromInteger(revisionMask, weeks.First(), weeks.Count, constraints) }; // Calculate var result = _markdownService.Calculate(scenarioSummary.Scenario, modelId, revisionId, schedules, modelData.DecayHierarchies, modelData.ElasticityHierarchies, productData, revisionValues); // Upload await _scenarioResultsService.Upload(settings, product, revisionId, result.Recommendations, _organisationDataProvider.UserId.Value); // Update state and retrieve var finalResult = await _recommendationProductService.Revise( clientId : product.ClientId, scenarioId : product.ScenarioId, productId : product.ProductId); return(VmRecommendation.Build(finalResult)); }