private async Task ExecuteLoadedAsync(object parameter)
{
User user = null;
if (!IsOfflineMode)
{
user = await _usersRepository.GetAsync(nameof(Student), StudentId.ToString());
_applicationSettingsService.SaveLoggedUserDataInRegistry(nameof(Student), user as Student);
}
else
{
user = _applicationSettingsService.GetLoggedUserDataFromRegistry(nameof(Student));
if (user == null)
{
return;
}
}
Student student = user as Student;
if (!String.IsNullOrWhiteSpace(student.SerializedGrades))
{
student.Grades = JsonConvert.DeserializeObject <Dictionary <string, List <Grade> > >(student.SerializedGrades);
var subjects = new ObservableCollection <WrappedSubject>();
foreach (var subjectName in student.Grades.Keys)
{
var wrappedGrades = new ObservableCollection <WrappedGrade>();
var grades = student.Grades[subjectName];
if (grades.Count > 0)
{
double sum = 0;
foreach (var grade in grades)
{
wrappedGrades.Add(new WrappedGrade
{
Value = grade.Value,
Comment = grade.Comment,
LastModificationDate = grade.LastModificationDate
});
sum += grade.Value;
}
double average = sum / grades.Count;
var subject = new WrappedSubject
{
Name = subjectName,
Grades = wrappedGrades,
Average = String.Format("{0:0.00}", average)
};
subjects.Add(subject);
}
}
Subjects = subjects;
OnPropertyChanged(nameof(Subjects));
}
}