Untis API Integration

2026-08-24 21:52:00 +02:00
parent 5841d96c5b
commit 0f10f754d0
26 changed files with 1237 additions and 58 deletions
@@ -0,0 +1,56 @@
+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;
+    }
+}