public IEnumerable <Label> GetBoundingBoxes(Topic topic, string imageId)
{
#region validation
if (topic == null)
{
throw new ArgumentNullException(nameof(topic));
}
if (string.IsNullOrEmpty(imageId))
{
throw new ArgumentNullException(nameof(imageId));
}
#endregion
var modelId = LoadModel();
MultipartFormDataContent multipartFormDataContent = new MultipartFormDataContent();
using (Stream imageFileStream = ImageFileRepository.GetImageFile(topic, imageId))
{
multipartFormDataContent.AddFileAsByteContent(imageFileStream, "image", imageId);
}
multipartFormDataContent.Add(new StringContent(modelId), "model");
HttpClient httpClient = HttpClientFactory.GetInferenceContainerHttpClient();
Uri uri = UriUtil.GetUri(httpClient.BaseAddress, "detect");
using MemoryStream memoryStream = new MemoryStream(httpClient.PostReadByteArray(uri, multipartFormDataContent));
using StreamReader streamReader = new StreamReader(memoryStream);
return(ParseLabelResult(streamReader.ReadToEnd()));
}
/// <summary>
/// Add stream as byte array respresentation to multiparform data content of request.
/// </summary>
/// <param name="formDataContent">Multipartformdata content to add file to</param>
/// <param name="fileStream">Stream of file to add to content</param>
/// <param name="parameterName">Name of parameter which is used to consume file</param>
/// <param name="fileName">Name of file (used for content type determination)</param>
public static void AddFileAsByteContent(this MultipartFormDataContent formDataContent, Stream fileStream, string parameterName, string fileName)
{
#region validation
if (fileStream == null)
{
throw new ArgumentNullException(nameof(fileStream));
}
if (string.IsNullOrEmpty(parameterName))
{
throw new ArgumentNullException(nameof(parameterName));
}
if (string.IsNullOrEmpty(fileName))
{
throw new ArgumentNullException(nameof(fileName));
}
#endregion
byte[] byteContent = fileStream.ConvertToByteArray();
formDataContent.AddFileAsByteContent(byteContent, parameterName, fileName);
}
