public StudentInfoOutput AddToClass([FromBody] StudentInfoInput input)
{
StudentInfoOutput output = new StudentInfoOutput();
if (input == null)
{
Response.StatusCode = 400;
output.Result = "INPUT_IS_NULL";
}
else
{
Class thisClass = _db.Classes.Where(e => e.ClassCode.ToUpper().Equals(input.ClassCode.ToUpper()) && e.Deleted == false).FirstOrDefault();
if (thisClass == null)
{
Response.StatusCode = 400;
output.Result = "CLASS_NOT_EXIST";
}
else
{
AspUserService aspUser = new AspUserService(_db, this);
if (aspUser.IsAdmin)
{
BCPUser student = _db._BCPUsers.Where(e => e.Id.Equals(input.StudentId) && e.Deleted == false).FirstOrDefault();
if (student == null)
{
Response.StatusCode = 400;
output.Result = "STUDENT_NOT_EXIST";
}
else
{
ClassAllocation ca = _db.ClassAllocations.Where(e => e.Class == thisClass && e.Student == student && e.Deleted == false).FirstOrDefault();
if (ca == null)
{
ClassAllocation newCa = new ClassAllocation()
{
Class = thisClass,
Student = student
};
_db.ClassAllocations.Add(newCa);
_db.SaveChanges();
output.Result = "OK";
}
else
{
Response.StatusCode = 400;
output.Result = "ALREAD_ADDED";
}
}
}
else
{
Response.StatusCode = 400;
output.Result = "NO_PRIVILEGE";
}
}
}
return(output);
}
public StudentInfoOutput AddPhoto([FromBody] StudentInfoInput input)
{
StudentInfoOutput output = new StudentInfoOutput();
if (input == null)
{
Response.StatusCode = 400;
output.Result = "INPUT_IS_NULL";
}
else
{
Recognizer recognizer = _db.Recognizers.Where(e => e.Id.Equals(input.RecognizerId)).FirstOrDefault();
if (recognizer == null)
{
Response.StatusCode = 400;
output.Result = "CREDENTIAL_ERROR";
}
else
{
if (recognizer.Key.Equals(input.RecognizerKey))
{
UserImage userImage = new UserImage()
{
User = _db._BCPUsers.Where(e => e.Id.Equals(input.StudentId)).FirstOrDefault(),
Url = input.ImageUrl,
Status = 1,
CreatedBy = recognizer.Id
};
_db.UserImages.Add(userImage);
_db.SaveChanges();
output.Result = "OK";
}
else
{
Response.StatusCode = 400;
output.Result = "CREDENTIAL_ERROR";
}
}
}
return(output);
}
public StudentInfoOutput RemoveFace([FromBody] StudentInfoInput input)
{
StudentInfoOutput output = new StudentInfoOutput();
AspUserService aspUser = new AspUserService(_db, this);
if (input == null)
{
Response.StatusCode = 400;
output.Result = "INPUT_IS_NULL";
}
else
{
if (aspUser.IsAdmin)
{
BCPUser user = _db._BCPUsers.Where(e => e.Id.Equals(input.StudentId)).FirstOrDefault();
if (user == null)
{
Response.StatusCode = 400;
output.Result = "USER_NOT_EXIST";
}
else
{
List <UserImage> images = user.List_UserImage.Where(e => e.Deleted == false && e.Status == 2).ToList();
foreach (UserImage item in images)
{
item.Status = 0;
}
_db.SaveChanges();
output.Result = "OK";
}
}
else
{
Response.StatusCode = 400;
output.Result = "NO_PRIVILEGE";
}
}
return(output);
}
public async Task <StudentInfoOutput> ProcessPhoto([FromBody] StudentInfoInput input)
{
StudentInfoOutput output = new StudentInfoOutput();
AspUserService aspUser = new AspUserService(_db, this);
bool failure = false;
if (input == null)
{
Response.StatusCode = 400;
output.Result = "INPUT_IS_NULL";
}
else
{
string personGroupId = _db.SiteConfigs.Where(e => e.Key.Equals("PERSONGROUP")).FirstOrDefault().Value;
Uri uri = new Uri("https://bcp-facial.cognitiveservices.azure.com/face/v1.0/persongroups/" + personGroupId + "/training");
HttpClientHandler handler = new HttpClientHandler();
StringContent queryString = null;
HttpClient client = new HttpClient(handler);
//string respond = null;
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "8d4c42ecbb784d909275492115ea56f0");
HttpResponseMessage response = await client.GetAsync(uri);
string siteUrl = _db.SiteConfigs.Where(e => e.Key.Equals("SITEURL")).First().Value;
string respond = await response.Content.ReadAsStringAsync();
dynamic jsonObj = JsonConvert.DeserializeObject(respond);
string trainingStatus = "NONE";
if (jsonObj.status != null)
{
trainingStatus = jsonObj.status;
}
else
{
trainingStatus = "NONE";
}
if (trainingStatus.Equals("running"))
{
Response.StatusCode = 400;
output.Result = "TRAINING_IN_PROGRESS";
}
else
{
if (aspUser.IsAdmin)
{
BCPUser user = _db._BCPUsers.Where(e => e.Id.Equals(input.StudentId)).FirstOrDefault();
if (user == null)
{
Response.StatusCode = 400;
output.Result = "USER_NOT_FOUND";
}
else
{
List <UserImage> imageStore = user.List_UserImage.Where(e => e.Status == 1).OrderBy(e => e.DateCreated).ToList();
List <string> imageToBeUsed = new List <string>();
int min = int.Parse(_db.SiteConfigs.Where(e => e.Key.Equals("NUM_PHOTO_PER_STUDENT")).FirstOrDefault().Value);
string mainSiteUrl = _db.SiteConfigs.Where(e => e.Key.Equals("SITEURL")).FirstOrDefault().Value;
int imageCount = imageStore.Count;
string faceIdToCompare = null;
if (imageCount >= min)
{
string faceListId = Guid.NewGuid().ToString().ToLower();
uri = new Uri("https://bcp-facial.cognitiveservices.azure.com/face/v1.0/facelists/" + faceListId);
handler = new HttpClientHandler();
queryString = null;
client = new HttpClient(handler);
//string respond = null;
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "8d4c42ecbb784d909275492115ea56f0");
PersonGroupInput pgInput = new PersonGroupInput()
{
Name = faceListId,
RecognitionModel = "recognition_02"
};
queryString = new StringContent(JsonConvert.SerializeObject(pgInput), Encoding.UTF8, "application/json");
queryString.Headers.Remove("Content-Type");
queryString.Headers.Add("Content-Type", "application/json");
response = await client.PutAsync(uri, queryString);
//respond = await response.Content.ReadAsStringAsync();
if (response.StatusCode == System.Net.HttpStatusCode.OK)
{
foreach (UserImage item in imageStore)
{
if (imageCount > 1)
{
uri = new Uri("https://bcp-facial.cognitiveservices.azure.com/face/v1.0/facelists/" + faceListId + "/persistedFaces");
handler = new HttpClientHandler();
queryString = null;
client = new HttpClient(handler);
//string respond = null;
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "8d4c42ecbb784d909275492115ea56f0");
pgInput = new PersonGroupInput()
{
Url = mainSiteUrl + "/" + item.Url
};
queryString = new StringContent(JsonConvert.SerializeObject(pgInput), Encoding.UTF8, "application/json");
queryString.Headers.Remove("Content-Type");
queryString.Headers.Add("Content-Type", "application/json");
response = await client.PostAsync(uri, queryString);
if (response.StatusCode == System.Net.HttpStatusCode.OK)
{
respond = await response.Content.ReadAsStringAsync();
jsonObj = JsonConvert.DeserializeObject(respond);
item.FaceId = jsonObj.persistedFaceId;
}
_db.SaveChanges();
imageCount--;
}
else
{
uri = new Uri("https://bcp-facial.cognitiveservices.azure.com/face/v1.0/detect?recognitionModel=recognition_02");
handler = new HttpClientHandler();
queryString = null;
client = new HttpClient(handler);
//string respond = null;
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "8d4c42ecbb784d909275492115ea56f0");
pgInput = new PersonGroupInput()
{
Url = mainSiteUrl + "/" + item.Url
};
queryString = new StringContent(JsonConvert.SerializeObject(pgInput), Encoding.UTF8, "application/json");
queryString.Headers.Remove("Content-Type");
queryString.Headers.Add("Content-Type", "application/json");
response = await client.PostAsync(uri, queryString);
if (response.StatusCode == System.Net.HttpStatusCode.OK)
{
respond = await response.Content.ReadAsStringAsync();
try
{
jsonObj = JsonConvert.DeserializeObject(respond);
item.Status = 0;
faceIdToCompare = jsonObj[0].faceId;
} catch (ArgumentOutOfRangeException e)
{
e.ToString();
}
}
_db.SaveChanges();
}
}
uri = new Uri("https://bcp-facial.cognitiveservices.azure.com/face/v1.0/findsimilars");
handler = new HttpClientHandler();
queryString = null;
client = new HttpClient(handler);
//string respond = null;
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "8d4c42ecbb784d909275492115ea56f0");
pgInput = new PersonGroupInput()
{
FaceId = faceIdToCompare,
FaceListId = faceListId,
maxNumOfCandidatesReturned = 10
};
queryString = new StringContent(JsonConvert.SerializeObject(pgInput), Encoding.UTF8, "application/json");
queryString.Headers.Remove("Content-Type");
queryString.Headers.Add("Content-Type", "application/json");
response = await client.PostAsync(uri, queryString);
respond = await response.Content.ReadAsStringAsync();
if (response.StatusCode == System.Net.HttpStatusCode.OK)
{
respond = await response.Content.ReadAsStringAsync();
jsonObj = JsonConvert.DeserializeObject(respond);
foreach (var item in jsonObj)
{
string id = item.persistedFaceId;
UserImage ui = _db.UserImages.Where(e => e.FaceId.Equals(id)).FirstOrDefault();
ui.Confidence = item.confidence;
imageToBeUsed.Add(id);
_db.SaveChanges();
}
}
else
{
failure = true;
}
uri = new Uri("https://bcp-facial.cognitiveservices.azure.com/face/v1.0/facelists/" + faceListId);
handler = new HttpClientHandler();
queryString = null;
client = new HttpClient(handler);
//string respond = null;
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "8d4c42ecbb784d909275492115ea56f0");
queryString = new StringContent("", Encoding.UTF8, "application/json");
queryString.Headers.Remove("Content-Type");
queryString.Headers.Add("Content-Type", "application/json");
response = await client.DeleteAsync(uri);
if (imageToBeUsed.Count < min)
{
Response.StatusCode = 400;
output.Result = "IMAGE_USERSTORE_LESS_ACCURATE";
}
else
{
if (user.PersonId != null)
{
uri = new Uri("https://bcp-facial.cognitiveservices.azure.com/face/v1.0/persongroups/" + personGroupId + "/persons/" + user.PersonId);
handler = new HttpClientHandler();
queryString = null;
client = new HttpClient(handler);
//string respond = null;
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "8d4c42ecbb784d909275492115ea56f0");
queryString = new StringContent("", Encoding.UTF8, "application/json");
queryString.Headers.Remove("Content-Type");
queryString.Headers.Add("Content-Type", "application/json");
response = await client.DeleteAsync(uri);
}
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
failure = true;
}
uri = new Uri("https://bcp-facial.cognitiveservices.azure.com/face/v1.0/persongroups/" + personGroupId + "/persons");
handler = new HttpClientHandler();
queryString = null;
client = new HttpClient(handler);
//string respond = null;
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "8d4c42ecbb784d909275492115ea56f0");
pgInput = new PersonGroupInput()
{
Name = user.Id
};
queryString = new StringContent(JsonConvert.SerializeObject(pgInput), Encoding.UTF8, "application/json");
queryString.Headers.Remove("Content-Type");
queryString.Headers.Add("Content-Type", "application/json");
response = await client.PostAsync(uri, queryString);
if (response.StatusCode == System.Net.HttpStatusCode.OK)
{
respond = await response.Content.ReadAsStringAsync();
jsonObj = JsonConvert.DeserializeObject(respond);
user.PersonId = jsonObj.personId;
_db.SaveChanges();
}
else
{
failure = true;
}
foreach (UserImage item in imageStore)
{
item.Status = 0;
_db.SaveChanges();
}
foreach (string s in imageToBeUsed)
{
if (min > 0)
{
UserImage item = imageStore.Where(e => e.FaceId.Equals(s)).FirstOrDefault();
uri = new Uri("https://bcp-facial.cognitiveservices.azure.com/face/v1.0/persongroups/" + personGroupId + "/persons/" + user.PersonId + "/persistedFaces");
handler = new HttpClientHandler();
queryString = null;
client = new HttpClient(handler);
//string respond = null;
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "8d4c42ecbb784d909275492115ea56f0");
pgInput = new PersonGroupInput()
{
Url = mainSiteUrl + "/" + item.Url
};
queryString = new StringContent(JsonConvert.SerializeObject(pgInput), Encoding.UTF8, "application/json");
queryString.Headers.Remove("Content-Type");
queryString.Headers.Add("Content-Type", "application/json");
response = await client.PostAsync(uri, queryString);
if (response.StatusCode == System.Net.HttpStatusCode.OK)
{
respond = await response.Content.ReadAsStringAsync();
jsonObj = JsonConvert.DeserializeObject(respond);
item.FaceId = jsonObj.persistedFaceId;
item.Status = 2;
_db.SaveChanges();
}
else
{
failure = true;
}
}
min--;
}
uri = new Uri("https://bcp-facial.cognitiveservices.azure.com/face/v1.0/persongroups/" + personGroupId + "/train");
handler = new HttpClientHandler();
queryString = null;
client = new HttpClient(handler);
//string respond = null;
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "8d4c42ecbb784d909275492115ea56f0");
queryString = new StringContent("", Encoding.UTF8, "application/json");
queryString.Headers.Remove("Content-Type");
queryString.Headers.Add("Content-Type", "application/json");
response = await client.PostAsync(uri, queryString);
if (failure)
{
Response.StatusCode = 500;
output.Result = "INCOMPLETE_PROCESS";
}
else
{
output.Result = "OK";
}
}
}
else
{
Response.StatusCode = 500;
output.Result = "INTERNAL_ERROR";
}
}
else
{
Response.StatusCode = 400;
output.Result = "USER_IMAGESTORE_LESS_MIN";
}
}
}
else
{
Response.StatusCode = 400;
output.Result = "NO_PRIVILEGE";
}
}
}
return(output);
}
