FlyTeam/SkyTeam/Regestrieren.xaml.cs

using System;
using System.Windows;
using System.Windows.Controls;
using MySql.Data.MySqlClient;
using BCrypt.Net; 

namespace SkyTeam
{
    public partial class RegistrationPage : Page
    {
        public RegistrationPage()
        {
            InitializeComponent();
        }

        private void RegisterButton_Click(object sender, RoutedEventArgs e)
        {
            if (string.IsNullOrEmpty(PasswordBox.Password))
            {
                MessageBox.Show("Bitte geben Sie ein Passwort ein.");
                return;
            }

            string hashedPassword = BCrypt.Net.BCrypt.HashPassword(PasswordBox.Password);

            string query = "INSERT INTO users (Vorname, Nachname, Email, PasswortHash, Rolle, Stadt, Anrede, Geburtsdatum) " +
                           "VALUES (@vorname, @nachname, @email, @password, 'User', @stadt, @anrede, @geburtsdatum)";

            try
            {
                using (MySqlConnection conn = new MySqlConnection(DatenbankServices.GetConnection()))
                {
                    conn.Open();
                    using (MySqlCommand cmd = new MySqlCommand(query, conn))
                    {
                        string selectedAnrede = (SalutationComboBox.SelectedItem as ComboBoxItem)?.Content.ToString();
                        DateTime? selectedDate = BirthDatePicker.SelectedDate;

                        cmd.Parameters.AddWithValue("@vorname", FirstNameTextBox.Text);
                        cmd.Parameters.AddWithValue("@nachname", LastNameTextBox.Text);
                        cmd.Parameters.AddWithValue("@email", EmailTextBox.Text);
                        cmd.Parameters.AddWithValue("@password", hashedPassword);
                        cmd.Parameters.AddWithValue("@stadt", CityTextBox.Text);

                        cmd.Parameters.AddWithValue("@anrede", selectedAnrede ?? (object)DBNull.Value);
                        cmd.Parameters.AddWithValue("@geburtsdatum", selectedDate.HasValue ? selectedDate.Value : (object)DBNull.Value);

                        cmd.ExecuteNonQuery();
                    }
                }

                MessageBox.Show("Dein Konto wurde erfolgreich angelegt!");

                if (Application.Current.MainWindow is MainWindow mainWindow)
                {
                    mainWindow.MainFrame.Navigate(new LogInPage());
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("Etwas ist schief gelaufen: " + ex.Message);
            }
        }

        private void CancelButton_Click(object sender, RoutedEventArgs e)
        {
            if (Application.Current.MainWindow is MainWindow mainWindow)
            {
                mainWindow.MainFrame.Navigate(new LogInPage());
            }
        }
    }
}