Files
LehrerApp/LehrerApp.Desktop/ViewModels/SyncStatusViewModel.cs
T
2026-06-19 00:42:00 +02:00

44 lines
1.6 KiB
C#

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using LehrerApp.Sync;
using LehrerApp.Sync.Models;
namespace LehrerApp.Desktop.ViewModels;
public partial class SyncStatusViewModel : ObservableObject
{
private readonly SyncEngine? _engine;
[ObservableProperty] private string _statusText = "Kein Server konfiguriert";
[ObservableProperty] private string _lastSyncText = "";
[ObservableProperty] private bool _isSyncing;
[ObservableProperty] private bool _isServerConfigured;
[ObservableProperty] private int _pendingCount;
public SyncStatusViewModel(SyncEngine? engine)
{
_engine = engine;
IsServerConfigured = engine is not null;
if (_engine is not null) _engine.StatusChanged += OnStatus;
}
private void OnStatus(SyncStatus s)
{
IsSyncing = s.State == SyncState.Syncing;
PendingCount = s.PendingEvents;
StatusText = s.State switch
{
SyncState.Idle => PendingCount > 0 ? $"{PendingCount} ausstehend" : "Synchronisiert",
SyncState.Syncing => "Synchronisiere…",
SyncState.Offline => "Offline",
SyncState.Error => $"Fehler: {s.ErrorMessage}",
_ => "",
};
LastSyncText = s.LastSyncAt.HasValue ? $"Zuletzt: {s.LastSyncAt:HH:mm}" : "Noch nie";
}
[RelayCommand(CanExecute = nameof(CanSync))]
private async Task SyncNow() { if (_engine is not null) await _engine.SyncNowAsync(); }
private bool CanSync() => _engine is not null && !IsSyncing;
}