public async Task <KorisnickiNalogDtoLL> Authenticate(byte[] imageToIdentity) { var stream = new MemoryStream(imageToIdentity); var identifiedPersonGuid = await _faceRecognitionService.IdentifyFace(stream, Resources.FaceAPI_PersonGroupId); if (!identifiedPersonGuid.HasValue) { return(null); } var personGuid = identifiedPersonGuid.ToString(); var korisnici = _dbContext.KorisnickiNalozi.ToList(); var korisnickiNalog = await _dbContext.KorisnickiNalozi.FirstOrDefaultAsync(x => x.FaceId.Equals(personGuid)); if (korisnickiNalog == null) { return(null); } return(_mapper.Map <KorisnickiNalog, KorisnickiNalogDtoLL>(korisnickiNalog)); }