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