public TeacherEvaluationPaperResult(DateTime submitTimestamp, User evaluatedBy, StudentSubmitExaminationPaper studentSubmitExaminationPaper, double score)
{
SubmitTimestamp = submitTimestamp;
EvaluatedBy = evaluatedBy;
StudentSubmitExaminationPaper = studentSubmitExaminationPaper;
Score = score;
}
public async Task <StudentSubmitExaminationPaper> SubmitStudentPaper(StudentSubmitExaminationPaper studentSubmitExaminationPaper)
{
StudentSubmitExaminationPaper submittedPaperDeserialize = null;
HttpResponseMessage responseMessage;
string examinationEventSerialized = JsonSerializer.Serialize(studentSubmitExaminationPaper);
Console.WriteLine(examinationEventSerialized);
var content = new StringContent(examinationEventSerialized, Encoding.UTF8, "application/json");
// 1. Send POST request
try
{
responseMessage =
await client.PostAsync(uri + "/examinationevent/submitStudentExaminationPaper", content);
// 2. Check if the resource was found, else throw exception to the client
if (responseMessage.StatusCode == HttpStatusCode.NotFound)
{
throw new Exception("Ooops, resource not found");
}
}
// 3. Catch the exception in case the Server is not running
catch (HttpRequestException e)
{
throw new Exception("No connection could be made because the server is not responding");
}
string serverMessage = responseMessage.Content.ReadAsStringAsync().Result;
// 4. Check the response status codes, else throws the error message to the client
if (responseMessage.IsSuccessStatusCode)
{
// 5. Deserialize the object
string readAsStringAsync = await responseMessage.Content.ReadAsStringAsync();
submittedPaperDeserialize = JsonSerializer.Deserialize <StudentSubmitExaminationPaper>(readAsStringAsync);
}
else if (responseMessage.StatusCode == HttpStatusCode.ServiceUnavailable)
{
throw new Exception(serverMessage);
}
else if (responseMessage.StatusCode == HttpStatusCode.BadRequest)
{
throw new Exception(serverMessage);
}
return(submittedPaperDeserialize);
}
public async Task <StudentSubmitExaminationPaper> GetStudentSubmittedPaper(int studentId, string examId)
{
StudentSubmitExaminationPaper studentExamPaper = null;
HttpResponseMessage responseMessage;
// 1. Send GET request
try
{
responseMessage =
await client.GetAsync($"{uri}/examinationevent/getStudentSubmittedPaper/{studentId}/{examId}");
// 2. Check if the resource was found, else throw exception to the client
if (responseMessage.StatusCode == HttpStatusCode.NotFound)
{
throw new Exception("Ooops, resource not found");
}
}
// 3. Catch the exception in case the Server is not running
catch (HttpRequestException e)
{
throw new Exception("No connection could be made because the server is not responding");
}
string serverMessage = responseMessage.Content.ReadAsStringAsync().Result;
// 4. Check the response status codes, else throws the error message to the client
if (responseMessage.IsSuccessStatusCode)
{
// 5. Deserialize the object
string readAsStringAsync = await responseMessage.Content.ReadAsStringAsync();
studentExamPaper = JsonSerializer.Deserialize <StudentSubmitExaminationPaper>(readAsStringAsync);
}
else if (responseMessage.StatusCode == HttpStatusCode.ServiceUnavailable)
{
throw new Exception(serverMessage);
}
return(studentExamPaper);
}
