//public async Task Consume(ConsumeContext<CalculateFeatureVectors> context)
//{
// var resultName = $"{context.Message.CorrelationId}-csv";
// var fileBytes = File.ReadAllBytes("FocusSynthesis_InStock_071411.csv");
// _keyValueRepository.SaveData(resultName, fileBytes);
// _keyValueRepository.SetExpiration(resultName, TimeSpan.Parse(_sspSettings.RedisExpirationTime));
// await _bus.Publish(new FeatureVectorsCalculated { Structures = 15, Columns = 18, Failed = 0, CorrelationId = context.Message.CorrelationId });
//}
private void SaveMessage(string key, object message)
{
BinaryFormatter bf = new BinaryFormatter();
MemoryStream ms = new MemoryStream();
bf.Serialize(ms, message);
_keyValueRepository.SaveData(key, ms.ToArray());
_keyValueRepository.SetExpiration(key, TimeSpan.Parse(_sspSettings.RedisExpirationTime));
}
public async Task <IActionResult> CalculateFeatureVector()
{
if (!IsMultipartContentType(Request.ContentType))
{
return(BadRequest());
}
var correlationId = NewId.NextGuid();
Log.Information("Saving file for feature vector calculating...");
var boundary = HeaderUtilities.RemoveQuotes(MediaTypeHeaderValue.Parse(Request.ContentType).Boundary);
var reader = new MultipartReader(boundary.Value, Request.Body);
MultipartSection section;
IDictionary <string, object> metadata = new Dictionary <string, object>();
IEnumerable <Fingerprint> fingerprints = null;
bool isFileLoaded = false;
string fileExtension = "";
while ((section = await reader.ReadNextSectionAsync()) != null)
{
var contentDisposition = section.GetContentDispositionHeader();
if (contentDisposition.IsFormDisposition())
{
var formDataSection = section.AsFormDataSection();
if (formDataSection.Name.ToLower() == "fingerprints")
{
string fpString = await formDataSection.GetValueAsync();
fingerprints = JsonConvert.DeserializeObject <IEnumerable <Fingerprint> >(fpString);
}
}
if (contentDisposition.IsFileDisposition())
{
var fileSection = section.AsFileSection();
fileExtension = Path.GetExtension(fileSection.FileName).ToLower();
if (!_fvcSettings.SupportedFormats.Contains(fileExtension))
{
return(BadRequest($"File {fileSection.FileName} is not supported for Feature Vector Calculation"));
}
Log.Information($"Saving file {fileSection.FileName}");
byte[] source;
byte[] buffer = new byte[16 * 1024];
using (MemoryStream ms = new MemoryStream())
{
int read;
while ((read = fileSection.FileStream.Read(buffer, 0, buffer.Length)) > 0)
{
ms.Write(buffer, 0, read);
}
source = ms.ToArray();
}
var fileName = $"{correlationId}-file";
_keyValueRepository.SaveData(fileName, source);
TimeSpan expiry = TimeSpan.Parse(_sspSettings.RedisExpirationTime);
_keyValueRepository.SetExpiration(fileName, expiry);
isFileLoaded = true;
}
}
if (fingerprints != null && isFileLoaded)
{
if (fileExtension == ".cif" && (fingerprints.Count() > 3 || fingerprints.Count() == 0))
{
return(BadRequest("Invalid number of fingerprints for Feature Vector Calculation. It should bee between 1 and 3."));
}
await _bus.Publish <CalculateFeatureVectors>(new { CorrelationId = correlationId, Fingerprints = fingerprints, FileType = fileExtension.Replace(".", "") });
return(StatusCode((int)HttpStatusCode.Created, new { Id = correlationId }));
}
else
{
return(BadRequest());
}
}