private async Task SelectAttendances(AttendanceTableViewModel attendances)
{
if (attendances == null)
{
return;
}
SelectedAttendance = null;
var viewModel = new AttendanceDetailViewModel(attendances, _attendanceStore, _pageService);
viewModel.AttendanceUpdated += (source, updateAttendance) =>
{
attendances.Id = updateAttendance.id;
attendances.StudentID = updateAttendance.studentID;
attendances.ModuleID = updateAttendance.moduleID;
attendances.Present = updateAttendance.present;
attendances.Late = updateAttendance.late;
attendances.Absent = updateAttendance.absent;
attendances.Excused = updateAttendance.excused;
attendances.Date = updateAttendance.date;
};
await _pageService.PushModalAsync(new AttendanceDetailPage(viewModel));
}
private async Task DeleteAttendances(AttendanceTableViewModel attendance)
{
var a = "";
if (await _pageService.DisplayAlert("Warning", $"Are you sure you want to delete{attendance.StudentID}?", "Yes", "No"))
{
Attendances.Remove(attendance);
var userAttendance = await _attendanceStore.GetAttendance(attendance.Id);
await _attendanceStore.DeleteAttendance(userAttendance);
}
}
public AttendanceDetailViewModel(AttendanceTableViewModel viewModel, IAttendance attendanceStore, IPageService pageService)
{
if (viewModel == null)
{
throw new ArgumentNullException(nameof(viewModel));
}
_pageService = pageService;
_attendanceStore = attendanceStore;
SaveCommand = new Command(async() => await Save());
Attendance = new Attendance
{
id = viewModel.Id,
studentID = viewModel.StudentID,
moduleID = viewModel.ModuleID,
date = viewModel.Date,
present = viewModel.Present,
late = viewModel.Late,
absent = viewModel.Absent,
excused = viewModel.Excused
};
}
