CineBook Projekt hinzugefügt

Views/ScreeningsView.xaml.cs

@@ -0,0 +1,158 @@
+using CineBook.Data;
+using CineBook.Helpers;
+using CineBook.Models;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace CineBook.Views;
+
+public partial class ScreeningsView : UserControl
+{
+    private readonly Repository _repo;
+    private Screening? _selected;
+
+    public ScreeningsView(Repository repo)
+    {
+        InitializeComponent();
+        _repo = repo;
+        if (!Session.IsAdmin)
+        {
+            BtnAdd.Visibility = Visibility.Collapsed;
+            BtnEdit.Visibility = Visibility.Collapsed;
+            BtnDelete.Visibility = Visibility.Collapsed;
+        }
+        LoadMovieFilter();
+        LoadScreenings();
+    }
+
+    private void LoadMovieFilter()
+    {
+        try
+        {
+            var movies = _repo.GetMovies(onlyActive: true);
+            MovieFilter.Items.Clear();
+            MovieFilter.Items.Add(new ComboBoxItem { Content = "— Alle Filme —", Tag = 0, Foreground = System.Windows.Media.Brushes.Gray, FontFamily = new System.Windows.Media.FontFamily("Courier New") });
+            foreach (var m in movies)
+                MovieFilter.Items.Add(new ComboBoxItem { Content = m.Title, Tag = m.MovieID, Foreground = System.Windows.Media.Brushes.Gold, FontFamily = new System.Windows.Media.FontFamily("Courier New") });
+            MovieFilter.SelectedIndex = 0;
+        }
+        catch { }
+    }
+
+    private void LoadScreenings()
+    {
+        try
+        {
+            var list = _repo.GetScreenings();
+            ScreeningsGrid.ItemsSource = list;
+            StatusText.Text = $"● {list.Count} Vorführungen geladen.";
+        }
+        catch (System.Exception ex) { StatusText.Text = "⚠ Fehler: " + ex.Message; }
+    }
+
+    private void FilterChanged(object sender, SelectionChangedEventArgs e)
+    {
+        if (MovieFilter.SelectedItem is ComboBoxItem item && item.Tag is int id && id > 0)
+        {
+            try { ScreeningsGrid.ItemsSource = _repo.GetScreeningsByMovie(id); }
+            catch (System.Exception ex) { StatusText.Text = "⚠ " + ex.Message; }
+        }
+        else LoadScreenings();
+    }
+
+    private void GridSelectionChanged(object sender, SelectionChangedEventArgs e)
+    {
+        _selected = ScreeningsGrid.SelectedItem as Screening;
+        BtnDelete.IsEnabled = _selected != null && Session.IsAdmin;
+        BtnEdit.IsEnabled = _selected != null && Session.IsAdmin;
+        BtnBookSeat.IsEnabled = _selected != null && _selected.AvailableSeats > 0;
+    }
+
+    private void LoadAllClick(object sender, RoutedEventArgs e)
+    {
+        MovieFilter.SelectedIndex = 0;
+        LoadScreenings();
+    }
+
+    private void AddClick(object sender, RoutedEventArgs e)
+    {
+        var movies = _repo.GetMovies(onlyActive: true);
+        var dlg = new ScreeningEditDialog(movies);
+        if (dlg.ShowDialog() == true && dlg.Result != null)
+        {
+            try { _repo.CreateScreening(dlg.Result); LoadScreenings(); LoadMovieFilter(); }
+            catch (System.Exception ex) { MessageBox.Show("DB-Fehler: " + ex.Message); }
+        }
+    }
+
+    private void EditClick(object sender, RoutedEventArgs e)
+    {
+        if (_selected == null) return;
+        var movies = _repo.GetMovies(onlyActive: true);
+        var dlg = new ScreeningEditDialog(movies, _selected);
+        if (dlg.ShowDialog() == true && dlg.Result != null)
+        {
+            try
+            {
+                if (_repo.UpdateScreening(dlg.Result))
+                    LoadScreenings();
+                else
+                    MessageBox.Show("Fehler beim Speichern.", "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+            catch (System.Exception ex)
+            {
+                MessageBox.Show("DB-Fehler: " + ex.Message);
+            }
+        }
+    }
+
+    private void DeleteClick(object sender, RoutedEventArgs e)
+    {
+        if (_selected == null) return;
+        var r = MessageBox.Show($"Vorführung löschen?", "Bestätigung", MessageBoxButton.YesNo, MessageBoxImage.Warning);
+        if (r == MessageBoxResult.Yes)
+        {
+            try { _repo.DeleteScreening(_selected.ScreeningID); LoadScreenings(); }
+            catch (System.Exception ex) { MessageBox.Show("DB-Fehler: " + ex.Message); }
+        }
+    }
+
+    private void BookSeatClick(object sender, RoutedEventArgs e)
+    {
+        if (_selected == null) return;
+        var seats = _repo.GetSeatsByScreening(_selected.ScreeningID);
+        if (seats.Count == 0)
+        {
+            if (Session.IsAdmin)
+            {
+                var r = MessageBox.Show(
+                    "Für diese Vorführung existieren noch keine Sitzplätze.\nSoll jetzt automatisch ein Sitzplan erstellt werden?",
+                    "Sitzplan fehlt",
+                    MessageBoxButton.YesNo,
+                    MessageBoxImage.Question);
+                if (r == MessageBoxResult.Yes)
+                {
+                    if (_repo.EnsureSeatsForScreening(_selected.ScreeningID, _selected.TotalSeats))
+                        seats = _repo.GetSeatsByScreening(_selected.ScreeningID);
+                }
+            }
+            if (seats.Count == 0)
+            {
+                MessageBox.Show("Keine Sitzplatzdaten verfügbar.", "Hinweis");
+                return;
+            }
+        }
+        var dlg = new SeatSelectionDialog(_selected, seats, Session.CurrentUser!);
+        if (dlg.ShowDialog() == true)
+        {
+            try
+            {
+                _repo.CreateBooking(Session.CurrentUser!.UserID, dlg.SelectedScreeningId, dlg.SelectedSeatId, dlg.TotalPrice);
+                LoadScreenings();
+                MessageBox.Show($"✓ Buchung erfolgreich!\nSitz: {dlg.SeatDisplay}\nPreis: {dlg.TotalPrice:F2} €",
+                    "Buchung bestätigt", MessageBoxButton.OK, MessageBoxImage.Information);
+            }
+            catch (System.Exception ex) { MessageBox.Show("DB-Fehler: " + ex.Message); }
+        }
+    }
+}