/// <summary>
/// Create patients from CSV list
/// </summary>
/// <param name="patientsCsv">List of patients</param>
/// <returns>Number of created patients</returns>
public async Task <int> CreatePatientsAsync(IEnumerable <PatientCsv> patientsCsv)
{
var patientCsvs = patientsCsv.ToList();
if (!patientCsvs.Any())
{
return(0);
}
var builder = new TransactionBuilder(_fhirClient.Endpoint, Bundle.BundleType.Transaction);
foreach (var patientCsv in patientCsvs.Where(p => !string.IsNullOrWhiteSpace(p.Identifier)))
{
var patient = _patientCsvToPatientConverter.Convert(patientCsv);
builder.Create(patient);
}
var response = await _fhirClient.TransactionAsync(builder.ToBundle()).ConfigureAwait(false);
return(response.Entry.Count);
}
private static async System.Threading.Tasks.Task <Resource> UploadResourceAsync(Resource resource, FhirClient client, bool retry = true)
{
await semaphore.WaitAsync();
try
{
if (resource is Bundle bundle)
{
return(await client.TransactionAsync(bundle));
}
else
{
return(await client.UpdateAsync(resource));
}
}
catch (FhirOperationException fhirEx)
{
if (fhirEx.Status == System.Net.HttpStatusCode.TooManyRequests && retry == true)
{
// Take a break and try again
Console.WriteLine($"Adding a 300ms delay: {fhirEx.Message}");
Thread.Sleep(300);
return(await UploadResourceAsync(resource, client, false));
}
else
{
Console.WriteLine($"Error uploading resource to FHIR server: {fhirEx.Message}");
return(null);
}
}
catch (Exception ex)
{
Console.WriteLine($"Error uploading resource to FHIR server: {ex.Message}");
return(null);
}
finally
{
semaphore.Release();
}
}
