Stundenplan verbesserung

2026-08-30 00:53:32 +02:00
parent 2b299fc940
commit dade41ee8d
16 changed files with 639 additions and 75 deletions
@@ -0,0 +1,83 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using LehrerApp.Core.Interfaces;
+using LehrerApp.Core.Models;
+using System.Collections.ObjectModel;
+
+namespace LehrerApp.Desktop.ViewModels.Planning;
+
+public sealed class TimetableUnitOption(Unit unit)
+{
+    public Unit Model { get; } = unit;
+    public string Label { get; } = unit.Title;
+    public string Detail { get; } = unit.Status switch
+    {
+        UnitStatus.Active => "Laufende Einheit",
+        UnitStatus.Completed => "Abgeschlossene Einheit",
+        _ => "Geplante Einheit",
+    };
+}
+
+/// <summary>Ordnet eine direkt aus dem Stundenplan angelegte Stunde einer Einheit zu.</summary>
+public partial class TimetableUnitPickerViewModel : ObservableObject
+{
+    private readonly IUnitRepository _units;
+    private readonly Guid _groupId;
+    private readonly DateOnly _date;
+
+    public string ContextLabel { get; }
+    public ObservableCollection<TimetableUnitOption> Units { get; } = [];
+    [ObservableProperty] private TimetableUnitOption? _selectedUnit;
+    [ObservableProperty] private string _newUnitTitle = "";
+    [ObservableProperty] private string _error = "";
+    public Unit? Result { get; private set; }
+    public bool ResultIsNew { get; private set; }
+    public bool HasUnits => Units.Count > 0;
+
+    public TimetableUnitPickerViewModel(IUnitRepository units, Guid groupId, string groupName,
+        DateOnly date, int period)
+    {
+        _units = units;
+        _groupId = groupId;
+        _date = date;
+        ContextLabel = $"{groupName} · {date:dd.MM.yyyy} · {period}. Stunde";
+
+        foreach (var unit in units.GetByGroup(groupId)
+                     .OrderBy(u => u.Status == UnitStatus.Active ? 0 : u.Status == UnitStatus.Planned ? 1 : 2)
+                     .ThenByDescending(u => u.StartDate)
+                     .ThenBy(u => u.Title, StringComparer.CurrentCultureIgnoreCase))
+            Units.Add(new TimetableUnitOption(unit));
+        SelectedUnit = Units.FirstOrDefault();
+    }
+
+    [RelayCommand]
+    private void Save()
+    {
+        Error = "";
+        if (!string.IsNullOrWhiteSpace(NewUnitTitle))
+        {
+            Result = new Unit
+            {
+                GroupId = _groupId,
+                Title = NewUnitTitle.Trim(),
+                StartDate = _date,
+                Status = UnitStatus.Active,
+            };
+            // Erst speichern, wenn auch der anschließende Stunden-Dialog bestätigt wurde. So
+            // hinterlässt ein Abbruch keine leere Einheit.
+            ResultIsNew = true;
+            return;
+        }
+
+        if (SelectedUnit is null)
+        {
+            Error = "Bitte eine Einheit auswählen oder eine neue benennen.";
+            return;
+        }
+        Result = SelectedUnit.Model;
+        ResultIsNew = false;
+    }
+}
+
+public sealed record TimetableLessonRequest(Guid GroupId, DateOnly Date, int PeriodNumber);
+public sealed record TimetableLessonMoveRequest(Lesson Lesson, int SelectedPeriod);