protected function loadRouteForAction(Admin $admin, Action $action, RouteCollection $routeCollection)
{
$routingUrlPattern = $admin->getConfiguration()->routingUrlPattern;
// routing pattern should contains {admin} and {action}
if (strpos($routingUrlPattern, '{admin}') == -1 || strpos($routingUrlPattern, '{action}') == -1) {
throw new Exception('Admin routing pattern should contains {admin} and {action} placeholder');
}
// route path by entity name and action name
$path = str_replace('{admin}', $admin->getEntityPath(), $routingUrlPattern);
$path = str_replace('{action}', $action->getName(), $path);
// by default, generic controller
$defaults = ['_controller' => $admin->getController() . ':' . $action->getName(), '_admin' => $admin->getName(), '_action' => $action->getName()];
// by default, no requirements
$requirements = [];
// for delete and edit action, an id is required
if (in_array($action, ['delete', 'edit'])) {
$path .= '/{id}';
$requirements = ['id' => '\\d+'];
}
// creating new route
$route = new Route($path, $defaults, $requirements);
$routeName = $admin->generateRouteName($action->getName());
// set route to action
$action->setRoute($routeName);
// adding route to symfony collection
$routeCollection->add($routeName, $route);
}
