Dashboard-Performance, CI-Workflow, Settings-Aufteilung, Backup-Härtung

- Dashboard: Fehlzeiten-Warnung lädt Mitarbeitssitzungen einmal vorab
  statt pro Schüler/Eintrag einzeln nachzuschlagen (N+1 vermieden);
  neues IParticipationSessionRepository.GetAll() dafür.
- CI: .gitea/workflows/ci.yml baut und testet bei jedem Push/PR.
  Dabei fehlende Release|Any CPU-Konfiguration für 6 Projekte in der
  .sln behoben (LehrerApp.Data.Tests wurde bei Release-Builds der
  Solution bislang stillschweigend übersprungen). TreatWarningsAsErrors
  jetzt aktiv.
- SettingsViewModel (1986 Zeilen) als partial class auf 20 Themen-
  dateien aufgeteilt, Verhalten unverändert.
- Backup: optionaler zweiter Sicherungsordner (USB-Stick/Netzlaufwerk,
  best-effort) und Integritätsprüfung nach jedem Backup
  (DatabaseEncryptionService.CanOpenAndRead).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
2026-08-30 00:52:44 +02:00
co-authored by Claude Sonnet 5
parent dbd8777e64
commit 2b299fc940
37 changed files with 2547 additions and 1823 deletions
@@ -0,0 +1,154 @@
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using LehrerApp.Core.Interfaces;
using LehrerApp.Core.Models;
using LehrerApp.Core.Services;
using LehrerApp.Data;
using LehrerApp.Desktop.Services;
using LehrerApp.Desktop.ViewModels.Planning;
using LehrerApp.Sync;
using LehrerApp.Sync.Crypto;
using System.Collections.ObjectModel;
using System.Globalization;
using System.Security.Cryptography;
using System.Text.Json;
using System.Text.Json.Serialization;
namespace LehrerApp.Desktop.ViewModels.Settings;
public partial class SettingsViewModel
{
// ── Notenschlüssel-Vorlagen (1.3.2) ──────────────────────────────────────
[ObservableProperty] private string _newTemplateName = "";
[ObservableProperty] private string _newTemplateGradingSystemName = "Noten 16";
[ObservableProperty] private string _newTemplateNameError = "";
public List<string> GradingSystemOptions { get; } = ["Noten 16", "Punkte 015"];
public ObservableCollection<GradingKeyTemplateEditItem> GradingKeyTemplateList { get; } = [];
// ── Notenschlüssel-Vorlagen: Laden / Hinzufügen / Löschen ────────────────
private void LoadGradingKeyTemplates()
{
GradingKeyTemplateList.Clear();
foreach (var t in _gradingKeyTemplates.GetAll())
GradingKeyTemplateList.Add(new GradingKeyTemplateEditItem(t, _gradingKeyTemplates, _grading));
}
[RelayCommand]
private void AddGradingKeyTemplate()
{
if (string.IsNullOrWhiteSpace(NewTemplateName)) { NewTemplateNameError = "Vorlagenname erforderlich."; return; }
var system = NewTemplateGradingSystemName == "Punkte 015"
? GradingSystem.Points0To15 : GradingSystem.Grades1To6;
var defaults = system == GradingSystem.Grades1To6
? GradingService.DefaultKey1To6() : GradingService.DefaultKey0To15();
var template = new GradingKeyTemplate
{
Name = NewTemplateName.Trim(),
GradingSystem = system,
Entries = defaults.Select(e => new GradingKeyEntry { Grade = e.Grade, MinPercent = e.MinPercent }).ToList(),
};
_gradingKeyTemplates.Save(template);
GradingKeyTemplateList.Add(new GradingKeyTemplateEditItem(template, _gradingKeyTemplates, _grading));
NewTemplateName = "";
NewTemplateNameError = "";
}
[RelayCommand]
private void DeleteGradingKeyTemplate(GradingKeyTemplateEditItem? item)
{
if (item is null) return;
_gradingKeyTemplates.Delete(item.Id);
GradingKeyTemplateList.Remove(item);
}
}
public partial class GradingKeyTemplateEditItem : ObservableObject
{
private readonly GradingKeyTemplate _template;
private readonly IGradingKeyTemplateRepository _repo;
private readonly GradingService _grading;
public Guid Id { get; }
public string Name { get; }
public string GradingSystemLabel { get; }
[ObservableProperty] private string _newGrade = "";
[ObservableProperty] private double _newMinPercent;
[ObservableProperty] private string _newGradeError = "";
[ObservableProperty] private string _newMinPercentError = "";
[ObservableProperty] private string _completenessWarning = "";
public ObservableCollection<GradingKeyEntryVm> Entries { get; } = [];
public GradingKeyTemplateEditItem(GradingKeyTemplate template, IGradingKeyTemplateRepository repo,
GradingService grading)
{
_template = template; _repo = repo; _grading = grading;
Id = template.Id;
Name = template.Name;
GradingSystemLabel = template.GradingSystem == GradingSystem.Grades1To6
? "Noten 16" : "Punkte 015";
foreach (var e in template.Entries.OrderByDescending(e => e.MinPercent))
Entries.Add(new GradingKeyEntryVm(e, DeleteEntry));
RecomputeCompleteness();
}
[RelayCommand]
private void AddEntry()
{
NewGradeError = ""; NewMinPercentError = "";
var valid = true;
if (string.IsNullOrWhiteSpace(NewGrade)) { NewGradeError = "Bezeichnung erforderlich."; valid = false; }
if (NewMinPercent is < 0 or > 100) { NewMinPercentError = "Muss zwischen 0 und 100 liegen."; valid = false; }
else if (_template.Entries.Any(e => Math.Abs(e.MinPercent - NewMinPercent) < 0.0001))
{ NewMinPercentError = "Diese Prozentgrenze existiert bereits."; valid = false; }
if (!valid) return;
var entry = new GradingKeyEntry { Grade = NewGrade.Trim(), MinPercent = NewMinPercent };
_template.Entries.Add(entry);
_template.Entries = _template.Entries.OrderByDescending(e => e.MinPercent).ToList();
_repo.Save(_template);
Entries.Clear();
foreach (var e in _template.Entries) Entries.Add(new GradingKeyEntryVm(e, DeleteEntry));
NewGrade = ""; NewMinPercent = 0;
RecomputeCompleteness();
}
private void DeleteEntry(GradingKeyEntryVm vm)
{
_template.Entries.RemoveAll(e => e.Grade == vm.Grade && Math.Abs(e.MinPercent - vm.MinPercent) < 0.0001);
_repo.Save(_template);
Entries.Remove(vm);
RecomputeCompleteness();
}
private void RecomputeCompleteness() =>
CompletenessWarning = _grading.ValidateGradingKey(_template.Entries) ?? "";
}
// ── GradingKeyEntryVm ─────────────────────────────────────────────────────────
public class GradingKeyEntryVm
{
public string Grade { get; }
public double MinPercent { get; }
public string Display { get; }
public IRelayCommand DeleteCommand { get; }
public GradingKeyEntryVm(GradingKeyEntry e, Action<GradingKeyEntryVm> onDelete)
{
Grade = e.Grade;
MinPercent = e.MinPercent;
Display = $"{Grade} — ab {MinPercent.ToString("0.##")} %";
DeleteCommand = new RelayCommand(() => onDelete(this));
}
}