189 lines
8.5 KiB
PHP
Executable File
189 lines
8.5 KiB
PHP
Executable File
<?php
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include('../inc/check_login.php');
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include('../inc/check_admin.php');
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require_once('../inc/db.php');
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$message = '';
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$message_type = '';
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$edit_mode = false;
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$edit_user = null;
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// --- Logik zum Löschen und Bearbeiten von Benutzern ---
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// Aktion Löschen
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if (isset($_GET['action']) && $_GET['action'] == 'delete' && isset($_GET['id'])) {
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$id = $_GET['id'];
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$stmt = mysqli_prepare($conn, "DELETE FROM users WHERE id = ?");
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mysqli_stmt_bind_param($stmt, "i", $id);
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if (mysqli_stmt_execute($stmt)) {
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$message = "Benutzer erfolgreich gelöscht!";
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$message_type = 'success';
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} else {
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$message = "Fehler beim Löschen des Benutzers.";
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$message_type = 'danger';
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}
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mysqli_stmt_close($stmt);
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}
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// Aktion Bearbeiten (Formular laden)
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if (isset($_GET['action']) && $_GET['action'] == 'edit' && isset($_GET['id'])) {
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$id = $_GET['id'];
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$stmt = mysqli_prepare($conn, "SELECT id, username, role FROM users WHERE id = ?");
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mysqli_stmt_bind_param($stmt, "i", $id);
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mysqli_stmt_execute($stmt);
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$result = mysqli_stmt_get_result($stmt);
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$edit_user = mysqli_fetch_assoc($result);
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mysqli_stmt_close($stmt);
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$edit_mode = true;
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}
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// --- Logik zum Hinzufügen oder Speichern von Benutzern ---
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if ($_SERVER["REQUEST_METHOD"] == "POST") {
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$username = $_POST['username'];
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$password = $_POST['password'];
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$role = $_POST['role'] === 'admin' ? 'admin' : 'member';
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$id = $_POST['id'] ?? null;
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if ($id) { // Update-Logik
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// Überprüfen, ob ein neues Passwort gesetzt wurde
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if (!empty($password)) {
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$password_hashed = password_hash($password, PASSWORD_DEFAULT);
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$stmt = mysqli_prepare($conn, "UPDATE users SET username = ?, password = ?, role = ? WHERE id = ?");
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mysqli_stmt_bind_param($stmt, "sssi", $username, $password_hashed, $role, $id);
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} else {
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$stmt = mysqli_prepare($conn, "UPDATE users SET username = ?, role = ? WHERE id = ?");
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mysqli_stmt_bind_param($stmt, "ssi", $username, $role, $id);
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}
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if (mysqli_stmt_execute($stmt)) {
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$message = "Benutzer erfolgreich aktualisiert!";
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$message_type = 'success';
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} else {
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$message = "Fehler beim Aktualisieren des Benutzers.";
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$message_type = 'danger';
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}
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mysqli_stmt_close($stmt);
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} else { // Insert-Logik
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$password_hashed = password_hash($password, PASSWORD_DEFAULT);
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$stmt = mysqli_prepare($conn, "INSERT INTO users (username, password, role) VALUES (?, ?, ?)");
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mysqli_stmt_bind_param($stmt, "sss", $username, $password_hashed, $role);
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if (mysqli_stmt_execute($stmt)) {
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$message = "Benutzer erfolgreich hinzugefügt.";
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$message_type = 'success';
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} else {
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$message = "Fehler beim Hinzufügen: " . mysqli_error($conn);
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$message_type = 'danger';
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}
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mysqli_stmt_close($stmt);
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}
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}
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// Benutzerübersicht abrufen
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$users = [];
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$result = mysqli_query($conn, "SELECT id, username, role FROM users ORDER BY username ASC");
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if ($result) {
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while ($row = mysqli_fetch_assoc($result)) {
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$users[] = $row;
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}
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}
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require_once('../inc/header.php');
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?>
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<div class="container mt-5">
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<h2 class="mb-4">Benutzerverwaltung</h2>
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<?php if ($message) : ?>
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<div id="status-message" class="alert alert-<?php echo $message_type; ?> alert-dismissible fade show" role="alert">
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<?php echo htmlspecialchars($message); ?>
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<button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
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</div>
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<?php endif; ?>
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<div class="card shadow mb-4">
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<div class="card-header bg-primary-subtle text-secondary">
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<h4 class="mb-0"><?php echo $edit_mode ? 'Benutzer bearbeiten' : 'Neuen Benutzer hinzufügen'; ?></h4>
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</div>
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<div class="card-body">
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<form action="users.php" method="post">
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<?php if ($edit_mode): ?>
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<input type="hidden" name="id" value="<?php echo htmlspecialchars($edit_user['id']); ?>">
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<?php endif; ?>
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<div class="row g-1 align-items-end">
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<div class="col-md-4">
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<label for="username" class="form-label">Benutzername</label>
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<input type="text" class="form-control" id="username" name="username" value="<?php echo htmlspecialchars($edit_user['username'] ?? ''); ?>" required>
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<div class="form-text" style="visibility: hidden;"> </div>
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</div>
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<div class="col-md-4">
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<label for="password" class="form-label">Passwort</label>
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<input type="password" class="form-control" id="password" name="password" <?php echo $edit_mode ? '' : 'required'; ?>>
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<div class="form-text">
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<?php echo $edit_mode ? 'Feld leer lassen, um das Passwort nicht zu ändern.' : ' '; ?>
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</div>
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</div>
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<div class="col-md-4">
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<label for="role" class="form-label">Rolle</label>
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<select class="form-select" id="role" name="role">
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<option value="member" <?php echo ($edit_user['role'] ?? '') === 'member' ? 'selected' : ''; ?>>Mitglied</option>
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<option value="admin" <?php echo ($edit_user['role'] ?? '') === 'admin' ? 'selected' : ''; ?>>Admin</option>
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</select>
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<div class="form-text" style="visibility: hidden;"> </div>
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</div>
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<div class="col-12 d-flex justify-content-start">
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<button type="submit" class="btn btn-sm btn-outline-<?php echo $edit_mode ? 'success' : 'primary'; ?> w-auto me-2">
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<?php echo $edit_mode ? 'Speichern' : 'Hinzufügen'; ?>
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</button>
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<?php if ($edit_mode): ?>
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<a href="users.php" class="btn btn-sm btn-outline-secondary w-auto">Abbrechen</a>
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<?php endif; ?>
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</div>
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</div>
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</form>
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</div>
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</div>
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<div class="card shadow">
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<div class="card-header bg-secondary bg-opacity-50 text-secondary">
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<h4 class="mb-0">Benutzerübersicht</h4>
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</div>
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<div class="card-body">
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<div class="table-responsive">
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<table class="table table-striped table-hover">
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<thead>
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<tr>
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<th>ID</th>
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<th>Benutzername</th>
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<th>Rolle</th>
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<th>Aktionen</th>
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</tr>
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</thead>
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<tbody>
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<?php foreach ($users as $user): ?>
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<tr>
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<td><?= htmlspecialchars($user['id']) ?></td>
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<td><?= htmlspecialchars($user['username']) ?></td>
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<td>
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<span class="badge rounded-pill bg-<?= $user['role'] === 'admin' ? 'info' : 'secondary' ?>">
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<?= htmlspecialchars($user['role']) ?>
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</span>
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</td>
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<td>
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<a href="users.php?action=edit&id=<?= htmlspecialchars($user['id']) ?>" class="text-dark me-1 text-decoration-none" data-bs-toggle="tooltip" data-bs-placement="top" title="Bearbeiten">
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<span class="material-icons">mode_edit_outline</span>
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</a>
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<a href="users.php?action=delete&id=<?= htmlspecialchars($user['id']) ?>" class="text-danger text-decoration-none" data-bs-toggle="tooltip" data-bs-placement="top" title="Löschen" onclick="return confirm('Sind Sie sicher, dass Sie diesen Benutzer löschen möchten?');">
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<span class="material-icons">delete_outline</span>
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</a>
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</td>
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</tr>
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<?php endforeach; ?>
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</tbody>
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</table>
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</div>
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</div>
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</div>
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</div>
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<?php include('../inc/footer.php'); ?>
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