CineBook Projekt hinzugefügt

2026-03-12 14:28:52 +01:00
commit b6357c9b8a
33 changed files with 2857 additions and 0 deletions
--- a/Views/LoginWindow.xaml.cs
+++ b/Views/LoginWindow.xaml.cs
@@ -0,0 +1,88 @@
+using CineBook.Data;
+using CineBook.Helpers;
+using System.Windows;
+using System.Windows.Input;
+
+namespace CineBook.Views;
+
+public partial class LoginWindow : Window
+{
+    private readonly Repository _repo;
+    private readonly bool _dbConfigured;
+
+    public LoginWindow()
+    {
+        InitializeComponent();
+
+        var cs = DbConfig.GetConnectionString();
+        if (string.IsNullOrWhiteSpace(cs))
+        {
+            MessageBox.Show(
+                "Es ist keine DB-Verbindung konfiguriert.\n\n" +
+                "Bitte setze die Umgebungsvariable 'CINEBOOK_CONNECTION_STRING'.\n" +
+                "(Siehe Kommentar in Data/DbConfig.cs)",
+                "Konfiguration fehlt",
+                MessageBoxButton.OK,
+                MessageBoxImage.Error);
+            // Window bleibt offen, damit die Info sichtbar bleibt.
+            _repo = new Repository(new Db(""));
+            _dbConfigured = false;
+        }
+        else
+        {
+            var db = new Db(cs);
+            _repo = new Repository(db);
+            _dbConfigured = true;
+        }
+        UsernameBox.Focus();
+    }
+
+    private void LoginClick(object sender, RoutedEventArgs e) => TryLogin();
+
+    private void InputKeyDown(object sender, KeyEventArgs e)
+    {
+        if (e.Key == Key.Enter) TryLogin();
+    }
+
+    private void TryLogin()
+    {
+        if (!_dbConfigured)
+        {
+            ShowError("DB-Verbindung nicht konfiguriert (CINEBOOK_CONNECTION_STRING). Login nicht möglich.");
+            return;
+        }
+        var user = UsernameBox.Text.Trim();
+        var pass = PasswordBox.Password;
+
+        if (string.IsNullOrEmpty(user) || string.IsNullOrEmpty(pass))
+        {
+            ShowError("Bitte Benutzername und Passwort eingeben.");
+            return;
+        }
+
+        try
+        {
+            var found = _repo.GetUserByCredentials(user, pass);
+            if (found == null)
+            {
+                ShowError("Falscher Benutzername oder Passwort.");
+                PasswordBox.Clear();
+                return;
+            }
+            Session.CurrentUser = found;
+            var main = new MainWindow();
+            main.Show();
+            Close();
+        }
+        catch (System.Exception ex)
+        {
+            ShowError("DB-Fehler: " + ex.Message);
+        }
+    }
+
+    private void ShowError(string msg)
+    {
+        StatusText.Text = "⚠ " + msg;
+        StatusText.Visibility = Visibility.Visible;
+    }
+}