/// <summary>
/// Inserts new image
/// </summary>
/// <param name="user"></param>
/// <returns>boolean</returns>
public async Task <bool> InsertPersonInToGroup(UserModel user)
{
CreatePersonResult result = await _faceServiceClient.CreatePersonAsync(_groupId, user.Id.ToString());
//Mock error heandling
if (result == null)
{
return(false);
}
RecognitionUtils recUtils = new RecognitionUtils();
await _faceServiceClient.AddPersonFaceAsync(_groupId, result.PersonId, recUtils.GetStream(user.ImageUri));
await _faceServiceClient.TrainPersonGroupAsync(_groupId);
return(true);
}
/// <summary>
/// Identifies person from an image taken in the app
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public async Task <string> Identify(UserModel user)
{
string imageUri = user.ImageUri;
//Mock error heandling
if (imageUri == null)
{
return(null);
}
RecognitionUtils recUtils = new RecognitionUtils();
var memoryStream = new MemoryStream();
memoryStream = recUtils.GetStream(imageUri);
var faces = await _faceServiceClient.DetectAsync(memoryStream);
//Mock error heandling
if (faces.Length == 0 || faces == null)
{
return(null);
}
var faceIds = faces.Select(face => face.FaceId).ToArray();
var results = await _faceServiceClient.IdentifyAsync(_groupId, faceIds);
//Mock error heandling
if (results.Length == 0 || results == null || results[0].Candidates.Length == 0 || results[0].Candidates[0] == null)
{
return(null);
}
var candidateId = results[0].Candidates[0].PersonId;
var person = await _faceServiceClient.GetPersonAsync(_groupId, candidateId);
return(person.Name);
}
public void GetStream_ShouldReturnExpected()
{
//Arrange
byte[] fakeBytes = new byte[1000];
var fakeWebClientFacttory = A.Fake <ICustomWebClientFactory>();
var fakeWebClient = fakeWebClientFacttory.Create();
A.CallTo(() => fakeWebClient.DownloadData("https://static.tvtropes.org/pmwiki/pub/images/young_joseph_joestar_anime.png")).Returns(fakeBytes);
//Act
var recognitionUtils = new RecognitionUtils()
{
CustomWebClient = fakeWebClient
};
var result = recognitionUtils.GetStream("https://static.tvtropes.org/pmwiki/pub/images/young_joseph_joestar_anime.png");
//Assert
var resultBytes = result.ToArray();
resultBytes.ShouldBe(fakeBytes);
A.CallTo(() => fakeWebClient.DownloadData("https://static.tvtropes.org/pmwiki/pub/images/young_joseph_joestar_anime.png")).MustHaveHappenedOnceExactly();
}