93 lines
2.9 KiB
C#
93 lines
2.9 KiB
C#
using CineBook.Data;
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using CineBook.Helpers;
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using CineBook.Models;
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using System.Windows;
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using System.Windows.Controls;
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namespace CineBook.Views;
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public partial class AdminPanelView : UserControl
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{
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private readonly Repository _repo;
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private User? _selected;
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public AdminPanelView(Repository repo)
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{
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InitializeComponent();
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_repo = repo;
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if (!Session.IsAdmin)
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{
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StatusText.Text = "⚠ Kein Zugriff. Nur für Administratoren.";
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return;
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}
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LoadUsers();
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}
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private void LoadUsers()
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{
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try
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{
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UsersGrid.ItemsSource = _repo.GetAllUsers();
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StatusText.Text = $"● {_repo.GetAllUsers().Count} Benutzer geladen.";
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}
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catch (System.Exception ex) { StatusText.Text = "⚠ Fehler: " + ex.Message; }
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}
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private void GridSelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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_selected = UsersGrid.SelectedItem as User;
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BtnEditUser.IsEnabled = _selected != null;
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BtnDeleteUser.IsEnabled = _selected != null;
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}
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private void RefreshClick(object sender, RoutedEventArgs e) => LoadUsers();
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private void AddUserClick(object sender, RoutedEventArgs e)
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{
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var dlg = new UserEditDialog(null);
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if (dlg.ShowDialog() == true)
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{
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try
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{
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if (_repo.CreateUser(dlg.Username, dlg.Password, dlg.Role, dlg.Email))
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LoadUsers();
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else
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MessageBox.Show("Fehler beim Anlegen. Benutzername bereits vergeben?", "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
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}
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catch (System.Exception ex) { MessageBox.Show("DB-Fehler: " + ex.Message); }
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}
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}
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private void EditUserClick(object sender, RoutedEventArgs e)
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{
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if (_selected == null) return;
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var dlg = new UserEditDialog(_selected);
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if (dlg.ShowDialog() == true)
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{
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try
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{
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_repo.UpdateUser(_selected.UserID, dlg.Username, dlg.Role, dlg.Email);
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LoadUsers();
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}
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catch (System.Exception ex) { MessageBox.Show("DB-Fehler: " + ex.Message); }
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}
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}
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private void DeleteUserClick(object sender, RoutedEventArgs e)
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{
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if (_selected == null) return;
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if (_selected.UserID == Session.CurrentUser?.UserID)
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{
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MessageBox.Show("Sie können sich nicht selbst löschen!", "Fehler", MessageBoxButton.OK, MessageBoxImage.Warning);
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return;
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}
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var r = MessageBox.Show($"Benutzer \"{_selected.Username}\" wirklich löschen?",
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"Bestätigung", MessageBoxButton.YesNo, MessageBoxImage.Warning);
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if (r == MessageBoxResult.Yes)
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{
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try { _repo.DeleteUser(_selected.UserID); LoadUsers(); }
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catch (System.Exception ex) { MessageBox.Show("DB-Fehler: " + ex.Message); }
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}
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}
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}
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