exec("CREATE TABLE IF NOT EXISTS roles (
id INT AUTO_INCREMENT PRIMARY KEY,
role_name VARCHAR(255) NOT NULL UNIQUE
)");
// Function to log activity
function log_activity($user_id, $action) {
global $pdo;
$stmt = $pdo->prepare("INSERT INTO activities (user_id, action) VALUES (:user_id, :action)");
$stmt->execute(['user_id' => $user_id, 'action' => $action]);
}
// Handle Create and Update
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
if (isset($_POST['add_role'])) {
$name = trim($_POST['role_name']);
if (!empty($name)) {
$stmt = $pdo->prepare("INSERT INTO roles (role_name) VALUES (:role_name)");
$stmt->execute(['role_name' => $name]);
$new_role_id = $pdo->lastInsertId();
log_activity($_SESSION['user_id'], "Created role {$name} (ID: {$new_role_id})");
}
} elseif (isset($_POST['update_role'])) {
$id = $_POST['role_id'];
$name = trim($_POST['role_name']);
if (!empty($name) && !empty($id)) {
$stmt = $pdo->prepare("UPDATE roles SET role_name = :role_name WHERE id = :id");
$stmt->execute(['role_name' => $name, 'id' => $id]);
log_activity($_SESSION['user_id'], "Updated role {$name} (ID: {$id})");
}
}
header("Location: roles.php");
exit;
}
// Handle Delete
if (isset($_GET['delete_id'])) {
$id = $_GET['delete_id'];
// Get role name for logging
$stmt = $pdo->prepare("SELECT role_name FROM roles WHERE id = :id");
$stmt->execute(['id' => $id]);
$deleted_role = $stmt->fetch();
$stmt = $pdo->prepare("DELETE FROM roles WHERE id = :id");
$stmt->execute(['id' => $id]);
if ($deleted_role) {
log_activity($_SESSION['user_id'], "Deleted role {$deleted_role['role_name']} (ID: {$id})");
}
header("Location: roles.php");
exit;
}
// Fetch all roles
$roles = $pdo->query("SELECT * FROM roles ORDER BY id DESC")->fetchAll();
// Fetch role for editing
$editing_role = null;
if (isset($_GET['edit_id'])) {
$id = $_GET['edit_id'];
$stmt = $pdo->prepare("SELECT * FROM roles WHERE id = :id");
$stmt->execute(['id' => $id]);
$editing_role = $stmt->fetch();
}
} catch (PDOException $e) {
die("Database error: " . $e->getMessage());
}
?>
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