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febcb0855a
Notenübersicht der Gruppe (Matrix, Gesamt-Spalte, Sortierung, Halbjahresfilter), Einzelnoten-Pflege samt Sammelerfassung, Gewichtungsschema mit Voreinstellung je Gruppentyp, Zeugnisnoten-Berechnung mit Übersteuern/Festschreiben/Export und Notenentwicklung im Schülerdetail. Dazu Anwesenheits-/Hausaufgaben-Tracking je Mitarbeit-Sitzung, ein neuer Mitarbeits-Assistent (Zeitleiste mit Abschnitten, automatischer Notenvorschlag, Zusammenzug zur Halbjahresnote) und eine Dashboard-Kachel für offene Entschuldigungen. Außerdem: verbliebene englische Begriffe in Auswahlfeldern und Buttons auf Deutsch umgestellt.
268 lines
10 KiB
C#
268 lines
10 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 static readonly CultureInfo De = new("de-DE");
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private readonly IGroupRepository _groups;
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private readonly ISubjectRepository _subjects;
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private readonly ILessonRepository _lessons;
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private readonly IExamRepository _exams;
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private readonly IWorkTaskRepository _tasks;
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private readonly IParticipationSessionRepository _participationSessions;
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private readonly IParticipationRepository _participationEntries;
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private readonly IStudentRepository _students;
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private readonly SchoolYearService _sy;
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private const int OpenExcuseMaxAgeDays = 21;
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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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[ObservableProperty] private DateOnly _calendarMonth = FirstOfMonth(DateTime.Today);
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public string CalendarMonthLabel => CalendarMonth.ToString("MMMM yyyy", De);
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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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public ObservableCollection<CalendarDayCell> CalendarDays { get; } = [];
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public ObservableCollection<OpenExcuseItem> OpenExcuses { get; } = [];
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public static string[] CalendarWeekdayHeaders { get; } = ["Mo", "Di", "Mi", "Do", "Fr", "Sa", "So"];
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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, ISubjectRepository subjects, ILessonRepository lessons,
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IExamRepository exams, IWorkTaskRepository tasks, IParticipationSessionRepository participationSessions,
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IParticipationRepository participationEntries, IStudentRepository students, SchoolYearService sy)
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{
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_groups = groups; _subjects = subjects; _lessons = lessons; _exams = exams; _tasks = tasks;
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_participationSessions = participationSessions; _participationEntries = participationEntries;
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_students = students; _sy = sy;
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Load();
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}
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private static DateOnly FirstOfMonth(DateTime d) => new(d.Year, d.Month, 1);
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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", 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()
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{
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GroupId = g.Id,
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Name = g.Name,
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Subject = g.SubjectId is Guid subjectId ? _subjects.GetById(subjectId)?.Name ?? "" : "",
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});
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CalendarMonth = FirstOfMonth(now);
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LoadCalendar();
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LoadOpenExcuses(groups.Values.ToList(), today);
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}
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private void LoadOpenExcuses(List<LearningGroup> groups, DateOnly today)
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{
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OpenExcuses.Clear();
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var cutoff = today.AddDays(-OpenExcuseMaxAgeDays);
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var items = new List<OpenExcuseItem>();
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foreach (var g in groups)
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{
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foreach (var session in _participationSessions.GetByGroup(g.Id).Where(s => s.Date >= cutoff && s.Date <= today))
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{
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foreach (var entry in _participationEntries.GetBySession(session.Id)
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.Where(e => e.Attendance == AttendanceStatus.ExcusePending))
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{
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var student = _students.GetById(entry.StudentId);
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if (student is null) continue;
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var item = new OpenExcuseItem(session.Id, entry.StudentId, student.FullName, g.Name, session.Date);
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item.OnResolve = ResolveExcuse;
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items.Add(item);
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}
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}
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}
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foreach (var item in items.OrderBy(i => i.Date))
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OpenExcuses.Add(item);
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}
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private void ResolveExcuse(OpenExcuseItem item, AttendanceStatus status)
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{
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var entry = _participationEntries.GetBySessionAndStudent(item.SessionId, item.StudentId);
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if (entry is null) return;
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entry.Attendance = status;
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_participationEntries.Save(entry);
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OpenExcuses.Remove(item);
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}
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private void LoadCalendar()
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{
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CalendarDays.Clear();
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var today = DateOnly.FromDateTime(DateTime.Today);
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// Rasterstart: Montag der Woche, die den 1. des Monats enthält – 6 Wochen (42 Tage) Raster.
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var firstOfMonth = CalendarMonth;
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var mondayOffset = ((int)firstOfMonth.DayOfWeek + 6) % 7; // Montag=0 ... Sonntag=6
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var gridStart = firstOfMonth.AddDays(-mondayOffset);
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var gridEnd = gridStart.AddDays(41);
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var groups = _groups.GetBySchoolYear(_sy.CurrentSchoolYear());
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var byDay = new Dictionary<DateOnly, DayAgg>();
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DayAgg Agg(DateOnly d)
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{
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if (!byDay.TryGetValue(d, out var agg)) byDay[d] = agg = new DayAgg();
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return agg;
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}
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foreach (var g in groups)
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{
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foreach (var lesson in _lessons.GetByGroupAndRange(g.Id, gridStart, gridEnd))
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{
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var agg = Agg(lesson.Date);
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agg.HasLesson = true;
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if (g.IsOwnClass) agg.IsOwnClassDay = true;
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agg.Details.Add($"Unterricht: {g.Name}" +
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(string.IsNullOrWhiteSpace(lesson.Topic) ? "" : $" – {lesson.Topic}"));
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}
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foreach (var exam in _exams.GetByGroup(g.Id).Where(e => e.Date >= gridStart && e.Date <= gridEnd))
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{
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var agg = Agg(exam.Date);
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agg.HasExam = true;
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if (g.IsOwnClass) agg.IsOwnClassDay = true;
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agg.Details.Add($"Klausur: {exam.Title} ({g.Name})");
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}
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}
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for (var i = 0; i < 42; i++)
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{
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var date = gridStart.AddDays(i);
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byDay.TryGetValue(date, out var agg);
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CalendarDays.Add(new CalendarDayCell(date, date.Month == firstOfMonth.Month, date == today,
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agg?.HasLesson ?? false, agg?.HasExam ?? false, agg?.IsOwnClassDay ?? false,
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agg?.Details ?? []));
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}
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}
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[RelayCommand]
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private void PrevMonth()
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{
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CalendarMonth = CalendarMonth.AddMonths(-1);
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OnPropertyChanged(nameof(CalendarMonthLabel));
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LoadCalendar();
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}
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[RelayCommand]
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private void NextMonth()
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{
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CalendarMonth = CalendarMonth.AddMonths(1);
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OnPropertyChanged(nameof(CalendarMonthLabel));
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LoadCalendar();
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}
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[RelayCommand]
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private void CalendarToday()
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{
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CalendarMonth = FirstOfMonth(DateTime.Today);
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OnPropertyChanged(nameof(CalendarMonthLabel));
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LoadCalendar();
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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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private class DayAgg
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{
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public bool HasLesson;
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public bool HasExam;
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public bool IsOwnClassDay;
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public List<string> Details { get; } = [];
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}
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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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// ── Offene Entschuldigungen (aus Mitarbeit-Fehltagen) ────────────────────────
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public partial class OpenExcuseItem : ObservableObject
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{
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public Guid SessionId { get; }
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public Guid StudentId { get; }
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public string StudentName { get; }
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public string GroupName { get; }
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public DateOnly Date { get; }
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public string DateDisplay { get; }
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public Action<OpenExcuseItem, AttendanceStatus>? OnResolve { get; set; }
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public OpenExcuseItem(Guid sessionId, Guid studentId, string studentName, string groupName, DateOnly date)
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{
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SessionId = sessionId;
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StudentId = studentId;
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StudentName = studentName;
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GroupName = groupName;
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Date = date;
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DateDisplay = date.ToString("dd.MM.yyyy");
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}
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[RelayCommand] private void MarkExcused() => OnResolve?.Invoke(this, AttendanceStatus.Excused);
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[RelayCommand] private void MarkUnexcused() => OnResolve?.Invoke(this, AttendanceStatus.Unexcused);
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}
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public class CalendarDayCell
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{
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public int DayNumber { get; }
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public bool IsCurrentMonth { get; }
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public bool IsToday { get; }
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public bool HasLesson { get; }
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public bool HasExam { get; }
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public bool IsOwnClassDay { get; }
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public string Tooltip { get; }
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internal CalendarDayCell(DateOnly date, bool isCurrentMonth, bool isToday,
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bool hasLesson, bool hasExam, bool isOwnClassDay, List<string> details)
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{
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DayNumber = date.Day;
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IsCurrentMonth = isCurrentMonth;
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IsToday = isToday;
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HasLesson = hasLesson;
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HasExam = hasExam;
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IsOwnClassDay = isOwnClassDay;
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Tooltip = details.Count == 0 ? date.ToString("dd.MM.yyyy") : string.Join("\n", details);
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}
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}
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