Files
LehrerApp/LehrerApp.Desktop/ViewModels/Groups/WebUntisClassSelectionViewModel.cs
2026-08-24 21:52:00 +02:00

57 lines
2.2 KiB
C#

using System.Collections.ObjectModel;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using LehrerApp.Desktop.Services;
namespace LehrerApp.Desktop.ViewModels.Groups;
public partial class WebUntisClassSelectionViewModel(WebUntisIntegrationService untis) : ObservableObject
{
public ObservableCollection<UntisSchoolYearDto> SchoolYears { get; } = [];
public ObservableCollection<UntisClassDto> Classes { get; } = [];
[ObservableProperty] private UntisSchoolYearDto? _selectedSchoolYear;
[ObservableProperty] private UntisClassDto? _selectedClass;
[ObservableProperty] private string _status = "";
[ObservableProperty] private bool _busy;
public bool CanConfirm => SelectedClass is not null && !Busy;
partial void OnSelectedClassChanged(UntisClassDto? value) => OnPropertyChanged(nameof(CanConfirm));
partial void OnBusyChanged(bool value) => OnPropertyChanged(nameof(CanConfirm));
public async Task InitializeAsync()
{
Busy = true;
try
{
foreach (var year in (await untis.GetSchoolYearsAsync()).OrderByDescending(x => x.StartDate))
SchoolYears.Add(year);
SelectedSchoolYear = SchoolYears.FirstOrDefault(x => x.StartDate <= Today() && x.EndDate >= Today())
?? SchoolYears.FirstOrDefault();
await LoadClasses();
}
catch (WebUntisIntegrationException ex) { Status = ex.Message; }
finally { Busy = false; }
}
[RelayCommand]
private async Task LoadClasses()
{
if (SelectedSchoolYear is null) return;
Busy = true; Classes.Clear(); SelectedClass = null;
try
{
foreach (var entry in (await untis.GetClassesAsync(SelectedSchoolYear.UntisId)).OrderBy(x => x.Name))
Classes.Add(entry);
Status = Classes.Count == 0 ? "Keine Klassen gefunden." : $"{Classes.Count} Klassen gefunden.";
}
catch (WebUntisIntegrationException ex) { Status = ex.Message; }
finally { Busy = false; }
}
private static int Today()
{
var date = DateOnly.FromDateTime(DateTime.Today);
return date.Year * 10000 + date.Month * 100 + date.Day;
}
}