public async Task UpdateOralExam(OralExamUpdate model)
{
var studentExam = await context.StudentExam
.Include(_ => _.Enrolment)
.FirstOrDefaultAsync(_ => _.Id == model.Id && _.ExamId == model.ExamId && _.EnrolmentId == model.EnrolmentId);
if (studentExam == null)
{
throw new ValidationException("Ne postoji traženi studentski ispit.");
}
studentExam.Description = model.Description;
studentExam.Score = model.Score;
studentExam.Grade = model.Grade.ConvertGrade();
studentExam.Participated = model.Participated;
studentExam.Enrolment.FinalGrade = model.FinalGrade.ConvertGrade();
studentExam.Enrolment.GradeDate = model.FinalGrade.HasValue && model.FinalGrade.Value != Grade.NoGrade ?
model.FinalGradeDate : null;
var errorsStudentExam = studentExam.Validate();
var errorsEnrolment = studentExam.Enrolment.Validate();
if (errorsStudentExam.Any() || errorsEnrolment.Any())
{
throw new ValidationPropertyException(errorsStudentExam.Concat(errorsEnrolment).ToDictionary(_ => _.Key, _ => _.Value));
}
context.StudentExam.Update(studentExam);
await context.SaveChangesAsync();
}
private void NavigateOralExamUpdate_Click(object sender, RoutedEventArgs e)
{
var page = new OralExamUpdate();
MainContent.Navigate(page);
}
