/// <summary>
/// Identifies the image async. Image will be scaled to approximately 400 x 400 pixels to be processed
/// </summary>
/// <returns>Whether the user was identified or not</returns>
/// <param name="imageLargerThan400x400">Image larger than400x400.</param>
public async Task <IdentityResponse> IdentifyImageAsync(byte[] imageLargerThan400x400)
{
var returnValue = new IdentityResponse();
var resizedBytes = DependencyService.Get <IResizer>().ResizeImage(imageLargerThan400x400, 400, 400);
var contentObject = ImageUpload.CreateNew();
contentObject.users.Add(new User(Convert.ToBase64String(resizedBytes)));
var content = new StringContent(JsonConvert.SerializeObject(contentObject), System.Text.Encoding.UTF8, "application/json");
var result = await client.PostAsync("http://michaels-it-org-facialrecognition.azurewebsites.net/api/identify/v1.0/check", content);
var response = await result.Content.ReadAsStringAsync();
response = response.Replace("\"", "");
System.Diagnostics.Debug.WriteLine($"{response}");
if (response.Contains("@"))
{
returnValue.Response = IdentityType.Success;
returnValue.Data = response;
return(returnValue);
}
switch (response)
{
case "Please take off glasses":
returnValue.Response = IdentityType.Glasses;
break;
case "No face detected":
returnValue.Response = IdentityType.NoFacesDetected;
break;
case "User not found":
returnValue.Response = IdentityType.UserNotFound;
break;
case "Unable to Identify User":
returnValue.Response = IdentityType.Failure;
break;
case "Error":
returnValue.Response = IdentityType.Error;
break;
default:
returnValue.Response = IdentityType.Failure;
break;
}
return(returnValue);
}
/// <summary>
/// Uploads an identity to the backend service.
/// The identity will be processed through the Cognitive Services Identity Model and Identified Users Database.
/// </summary>
/// <returns>A string with the given results from the backend service</returns>
/// <param name="email">Email.</param>
/// <param name="image">Image.</param>
public async Task <string> UploadIdentity(string email, byte[] image)
{
var resizedBytes = DependencyService.Get <IResizer>().ResizeImage(image, 400, 400);
var contentObject = ImageUpload.CreateNew();
contentObject.users.Add(new User(Convert.ToBase64String(resizedBytes)));
var content = new StringContent(JsonConvert.SerializeObject(contentObject), System.Text.Encoding.UTF8, "application/json");
var result = await client.PostAsync("http://michaels-it-org-facialrecognition.azurewebsites.net/api/identify/v1.0/add", content);
var response = await result.Content.ReadAsStringAsync();
return(response ?? "Error");
}