CineBook Projekt hinzugefügt

2026-03-12 14:28:52 +01:00
commit b6357c9b8a
33 changed files with 2857 additions and 0 deletions
--- a/Views/AdminPanelView.xaml.cs
+++ b/Views/AdminPanelView.xaml.cs
@@ -0,0 +1,92 @@
+using CineBook.Data;
+using CineBook.Helpers;
+using CineBook.Models;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace CineBook.Views;
+
+public partial class AdminPanelView : UserControl
+{
+    private readonly Repository _repo;
+    private User? _selected;
+
+    public AdminPanelView(Repository repo)
+    {
+        InitializeComponent();
+        _repo = repo;
+        if (!Session.IsAdmin)
+        {
+            StatusText.Text = "⚠ Kein Zugriff. Nur für Administratoren.";
+            return;
+        }
+        LoadUsers();
+    }
+
+    private void LoadUsers()
+    {
+        try
+        {
+            UsersGrid.ItemsSource = _repo.GetAllUsers();
+            StatusText.Text = $"● {_repo.GetAllUsers().Count} Benutzer geladen.";
+        }
+        catch (System.Exception ex) { StatusText.Text = "⚠ Fehler: " + ex.Message; }
+    }
+
+    private void GridSelectionChanged(object sender, SelectionChangedEventArgs e)
+    {
+        _selected = UsersGrid.SelectedItem as User;
+        BtnEditUser.IsEnabled = _selected != null;
+        BtnDeleteUser.IsEnabled = _selected != null;
+    }
+
+    private void RefreshClick(object sender, RoutedEventArgs e) => LoadUsers();
+
+    private void AddUserClick(object sender, RoutedEventArgs e)
+    {
+        var dlg = new UserEditDialog(null);
+        if (dlg.ShowDialog() == true)
+        {
+            try
+            {
+                if (_repo.CreateUser(dlg.Username, dlg.Password, dlg.Role, dlg.Email))
+                    LoadUsers();
+                else
+                    MessageBox.Show("Fehler beim Anlegen. Benutzername bereits vergeben?", "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+            catch (System.Exception ex) { MessageBox.Show("DB-Fehler: " + ex.Message); }
+        }
+    }
+
+    private void EditUserClick(object sender, RoutedEventArgs e)
+    {
+        if (_selected == null) return;
+        var dlg = new UserEditDialog(_selected);
+        if (dlg.ShowDialog() == true)
+        {
+            try
+            {
+                _repo.UpdateUser(_selected.UserID, dlg.Username, dlg.Role, dlg.Email);
+                LoadUsers();
+            }
+            catch (System.Exception ex) { MessageBox.Show("DB-Fehler: " + ex.Message); }
+        }
+    }
+
+    private void DeleteUserClick(object sender, RoutedEventArgs e)
+    {
+        if (_selected == null) return;
+        if (_selected.UserID == Session.CurrentUser?.UserID)
+        {
+            MessageBox.Show("Sie können sich nicht selbst löschen!", "Fehler", MessageBoxButton.OK, MessageBoxImage.Warning);
+            return;
+        }
+        var r = MessageBox.Show($"Benutzer \"{_selected.Username}\" wirklich löschen?",
+            "Bestätigung", MessageBoxButton.YesNo, MessageBoxImage.Warning);
+        if (r == MessageBoxResult.Yes)
+        {
+            try { _repo.DeleteUser(_selected.UserID); LoadUsers(); }
+            catch (System.Exception ex) { MessageBox.Show("DB-Fehler: " + ex.Message); }
+        }
+    }
+}