init 1.0.0

2026-06-19 00:42:00 +02:00
commit 5ca960746b
67 changed files with 3261 additions and 0 deletions
@@ -0,0 +1,72 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using LehrerApp.Core.Interfaces;
+using LehrerApp.Core.Models;
+using LehrerApp.Core.Services;
+using System.Collections.ObjectModel;
+using System.Globalization;
+
+namespace LehrerApp.Desktop.ViewModels;
+
+public partial class DashboardViewModel : ObservableObject
+{
+    private readonly IGroupRepository _groups;
+    private readonly ILessonRepository _lessons;
+    private readonly IWorkTaskRepository _tasks;
+    private readonly SchoolYearService _sy;
+
+    [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; } = [];
+
+    // Navigation-Callback – wird von App.axaml.cs verdrahtet
+    public Action<Guid>? OnNavigateToGroup { get; set; }
+
+    public DashboardViewModel(IGroupRepository groups, ILessonRepository lessons,
+        IWorkTaskRepository tasks, SchoolYearService sy)
+    {
+        _groups = groups; _lessons = lessons; _tasks = tasks; _sy = sy;
+        Load();
+    }
+
+    private void Load()
+    {
+        var now   = DateTime.Now;
+        var today = DateOnly.FromDateTime(now);
+        CurrentDate        = now.ToString("dddd, d. MMMM yyyy", new CultureInfo("de-DE"));
+        CurrentSchoolYear  = _sy.CurrentSchoolYear();
+        Greeting = now.Hour < 12 ? "Guten Morgen" : now.Hour < 18 ? "Guten Tag" : "Guten Abend";
+
+        TodaysLessons.Clear();
+        var groups = _groups.GetBySchoolYear(_sy.CurrentSchoolYear()).ToDictionary(g => g.Id);
+        foreach (var l in groups.Keys.SelectMany(gid => _lessons.GetByGroupAndDate(gid, today))
+                                     .OrderBy(l => l.LessonNumber))
+        {
+            if (groups.TryGetValue(l.GroupId, out var g))
+                TodaysLessons.Add(new() { GroupName = g.Name, Topic = l.Topic });
+        }
+
+        OpenTasks.Clear();
+        foreach (var t in _tasks.GetByStatus(WorkTaskStatus.Open)
+                                .Concat(_tasks.GetByStatus(WorkTaskStatus.InProgress))
+                                .OrderBy(t => t.DueDate ?? DateOnly.MaxValue).Take(5))
+            OpenTasks.Add(new() { Title = t.Title,
+                DueDate   = t.DueDate?.ToString("dd.MM.") ?? "",
+                IsOverdue = t.DueDate.HasValue && t.DueDate < today });
+
+        CurrentGroups.Clear();
+        foreach (var g in groups.Values.OrderBy(g => g.Name))
+            CurrentGroups.Add(new() { GroupId = g.Id, Name = g.Name, Subject = g.Subject ?? "" });
+    }
+
+    [RelayCommand] private void OpenGroup(GroupChip? c) { if (c is not null) OnNavigateToGroup?.Invoke(c.GroupId); }
+    [RelayCommand] private void Refresh() => Load();
+}
+
+public class LessonItem { public string GroupName { get; set; } = ""; public string Topic { get; set; } = ""; }
+public class TaskItem   { public string Title { get; set; } = ""; public string DueDate { get; set; } = ""; public bool IsOverdue { get; set; } }
+public class GroupChip  { public Guid GroupId { get; set; } public string Name { get; set; } = ""; public string Subject { get; set; } = ""; }