public async Task <IActionResult> UploadPatientsAsync()
{
var file = Request.Form.Files[0];
await using (var fileContentStream = new MemoryStream())
{
await file.CopyToAsync(fileContentStream).ConfigureAwait(false);
// Parse CSV file to a list of models
var allPatients = _patientService.ParsePatients(fileContentStream.ToArray());
// Validate input
var validationResult = await _patientsCsvValidator.ValidateAsync(allPatients);
if (!validationResult.IsValid)
{
return(BadRequest(validationResult));
}
var existingPatients = await _patientService.ExistingPatientsAsync(allPatients).ConfigureAwait(false);
var newPatients = allPatients.AsQueryable().Except(existingPatients).ToList();
await _patientService.CreatePatientsAsync(newPatients).ConfigureAwait(false);
await _patientService.UpdatePatientsAsync(existingPatients).ConfigureAwait(false);
}
return(Ok());
}