public CalculationsMigration(IServiceProvider sourceServices,
IServiceProvider destinationServices,
bool preventWrites)
{
Guard.ArgumentNotNull(sourceServices, nameof(sourceServices));
Guard.ArgumentNotNull(destinationServices, nameof(destinationServices));
_sourceClients = new MigrationClients(sourceServices);
_destinationClients = new MigrationClients(destinationServices);
_preventWrites = preventWrites;
}
private Task <ApiResponse <SpecificationSummary> > GetSpecificationTask(string specificationId, MigrationClients migrationClients)
{
return(migrationClients.MakeSpecificationsCall(_ => _.GetSpecificationSummaryById(specificationId)));
}
private Task <ApiResponse <IEnumerable <DatasetSpecificationRelationshipViewModel> > > GetSpecificationCurrentRelationshipsTask(
MigrationClients clients,
string specificationId)
{
return(clients.MakeDataSetsCall(_ => _.GetCurrentRelationshipsBySpecificationId(specificationId)));
}
private async Task <IEnumerable <TemplateMappingItem> > GetTemplateMappingItemsInSpecification(SpecificationSummary specification, MigrationClients clients)
{
SemaphoreSlim throttle = new SemaphoreSlim(5, 5);
ConcurrentBag <Task <TemplateMapping> > templateMappingQueryTasks = new ConcurrentBag <Task <TemplateMapping> >();
string specificationId = specification.Id;
foreach (Reference fundingStream in specification.FundingStreams)
{
templateMappingQueryTasks.Add(Task.Run(() =>
{
try
{
throttle.Wait();
string fundingStreamId = fundingStream.Id;
ApiResponse <TemplateMapping> templateMappingResponse = clients.MakeCalculationsCall(_ => _.GetTemplateMapping(specificationId, fundingStreamId))
.GetAwaiter()
.GetResult();
CheckApiResponse(templateMappingResponse, $"Unable to fetch template mapping for specification id {specificationId} and funding stream id {fundingStreamId}");
return(templateMappingResponse.Content);
}
finally
{
throttle.Release();
}
}));
}
await TaskHelper.WhenAllAndThrow(templateMappingQueryTasks.ToArray());
return(templateMappingQueryTasks.SelectMany(_ => _.Result.TemplateMappingItems).ToArray());
}
