Initial

2026-03-29 23:47:31 +02:00
commit 216d5d2280
75 changed files with 5702 additions and 0 deletions
--- a/LehrerApp.Desktop/ViewModels/DashboardViewModel.cs
+++ b/LehrerApp.Desktop/ViewModels/DashboardViewModel.cs
@@ -0,0 +1,136 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using LehrerApp.Core.Interfaces;
+using LehrerApp.Core.Models;
+using LehrerApp.Core.Services;
+using System.Collections.ObjectModel;
+
+namespace LehrerApp.Desktop.ViewModels;
+
+public partial class DashboardViewModel : ObservableObject
+{
+    private readonly IGroupRepository _groups;
+    private readonly ILessonRepository _lessons;
+    private readonly IWorkTaskRepository _tasks;
+    private readonly SchoolYearService _schoolYearService;
+
+    [ObservableProperty] private string _greeting = "";
+    [ObservableProperty] private string _currentDate = "";
+    [ObservableProperty] private string _currentSchoolYear = "";
+
+    public ObservableCollection<LessonItem> TodaysLessons { get; } = [];
+    public ObservableCollection<TaskItem> OpenTasks { get; } = [];
+    public ObservableCollection<GroupChip> CurrentGroups { get; } = [];
+
+    public DashboardViewModel(
+        IGroupRepository groups,
+        ILessonRepository lessons,
+        IWorkTaskRepository tasks,
+        SchoolYearService schoolYearService)
+    {
+        _groups = groups;
+        _lessons = lessons;
+        _tasks = tasks;
+        _schoolYearService = schoolYearService;
+
+        Load();
+    }
+
+    private void Load()
+    {
+        var now = DateTime.Now;
+        var today = DateOnly.FromDateTime(now);
+
+        CurrentDate = now.ToString("dddd, d. MMMM yyyy",
+            new System.Globalization.CultureInfo("de-DE"));
+        CurrentSchoolYear = _schoolYearService.CurrentSchoolYear();
+        Greeting = now.Hour < 12 ? "Guten Morgen" :
+                   now.Hour < 18 ? "Guten Tag" : "Guten Abend";
+
+        // Heutige Stunden
+        TodaysLessons.Clear();
+        var schoolYear = _schoolYearService.CurrentSchoolYear();
+        var allGroups = _groups.GetBySchoolYear(schoolYear)
+            .ToDictionary(g => g.Id);
+
+        var todayLessons = allGroups.Keys
+            .SelectMany(gid => _lessons.GetByGroupAndDate(gid, today))
+            .OrderBy(l => l.LessonNumber)
+            .ToList();
+
+        foreach (var lesson in todayLessons)
+        {
+            if (!allGroups.TryGetValue(lesson.GroupId, out var group)) continue;
+            TodaysLessons.Add(new LessonItem
+            {
+                GroupName = group.Name,
+                Topic = lesson.Topic,
+                Status = lesson.Status,
+            });
+        }
+
+        // Offene Aufgaben (mit Fälligkeit)
+        OpenTasks.Clear();
+        var openTasks = _tasks.GetByStatus(WorkTaskStatus.Open)
+            .Concat(_tasks.GetByStatus(WorkTaskStatus.InProgress))
+            .OrderBy(t => t.DueDate ?? DateOnly.MaxValue)
+            .Take(5);
+
+        foreach (var task in openTasks)
+        {
+            var isOverdue = task.DueDate.HasValue && task.DueDate < today;
+            var isDueSoon = task.DueDate.HasValue &&
+                            task.DueDate >= today &&
+                            task.DueDate <= today.AddDays(3);
+
+            OpenTasks.Add(new TaskItem
+            {
+                Title = task.Title,
+                DueDate = task.DueDate?.ToString("dd.MM.") ?? "",
+                IsOverdue = isOverdue,
+                IsDueSoon = isDueSoon,
+                Status = task.Status,
+            });
+        }
+
+        // Aktuelle Lerngruppen als Chips
+        CurrentGroups.Clear();
+        foreach (var group in _groups.GetBySchoolYear(schoolYear)
+                     .OrderBy(g => g.Name))
+        {
+            CurrentGroups.Add(new GroupChip
+            {
+                GroupId = group.Id,
+                Name = group.Name,
+                Subject = group.Subject ?? "",
+            });
+        }
+    }
+
+    [RelayCommand]
+    private void Refresh() => Load();
+}
+
+// Anzeigemodelle für Dashboard-Widgets
+public class LessonItem
+{
+    public string GroupName { get; set; } = "";
+    public string Topic { get; set; } = "";
+    public LessonStatus Status { get; set; }
+}
+
+public class TaskItem
+{
+    public string Title { get; set; } = "";
+    public string DueDate { get; set; } = "";
+    public bool IsOverdue { get; set; }
+    public bool IsDueSoon { get; set; }
+    public WorkTaskStatus Status { get; set; }
+}
+
+public class GroupChip
+{
+    public Guid GroupId { get; set; }
+    public string Name { get; set; } = "";
+    public string Subject { get; set; } = "";
+}