Override symfony2 console commands?

Question

Is it possible to override symfony2 app/console commands? For example, in the FOS UserBundle I\'d like to add a few more fields it asks when it creates a user with its cons

Answer 1

The whole process for adding more fields to the command is:

1.In your AcmeDemoBundle class you must set FOSUser as parent:

2.Once you do that you can recreate the CreateUserCommand in your bundle:

 * @author Thibault Duplessis 
 * @author Luis Cordova 
 */
class CreateUserCommand extends ContainerAwareCommand
{
    /**
     * @see Command
     */
    protected function configure()
    {
        $this
            ->setName('fos:user:create')
            ->setDescription('Create a user.')
            ->setDefinition(array(
                new InputArgument('username', InputArgument::REQUIRED, 'The username'),
                new InputArgument('email', InputArgument::REQUIRED, 'The email'),
                new InputArgument('password', InputArgument::REQUIRED, 'The password'),
                new InputArgument('name', InputArgument::REQUIRED, 'The name'),
                new InputOption('super-admin', null, InputOption::VALUE_NONE, 'Set the user as super admin'),
                new InputOption('inactive', null, InputOption::VALUE_NONE, 'Set the user as inactive'),
            ))
            ->setHelp(<<fos:user:create command creates a user:

  php app/console fos:user:create matthieu

This interactive shell will ask you for an email and then a password.

You can alternatively specify the email and password as the second and third arguments:

  php app/console fos:user:create matthieu matthieu@example.com mypassword

You can create a super admin via the super-admin flag:

  php app/console fos:user:create admin --super-admin

You can create an inactive user (will not be able to log in):

  php app/console fos:user:create thibault --inactive

EOT
            );
    }

    /**
     * @see Command
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $username   = $input->getArgument('username');
        $email      = $input->getArgument('email');
        $password   = $input->getArgument('password');
        $name       = $input->getArgument('name');
        $inactive   = $input->getOption('inactive');
        $superadmin = $input->getOption('super-admin');

        $manipulator = $this->getContainer()->get('acme.util.user_manipulator');
        $manipulator->create($username, $password, $email, $name, !$inactive, $superadmin);

        $output->writeln(sprintf('Created user %s', $username));
    }

    /**
     * @see Command
     */
    protected function interact(InputInterface $input, OutputInterface $output)
    {
        if (!$input->getArgument('username')) {
            $username = $this->getHelper('dialog')->askAndValidate(
                $output,
                'Please choose a username:',
                function($username) {
                    if (empty($username)) {
                        throw new \Exception('Username can not be empty');
                    }

                    return $username;
                }
            );
            $input->setArgument('username', $username);
        }

        if (!$input->getArgument('email')) {
            $email = $this->getHelper('dialog')->askAndValidate(
                $output,
                'Please choose an email:',
                function($email) {
                    if (empty($email)) {
                        throw new \Exception('Email can not be empty');
                    }

                    return $email;
                }
            );
            $input->setArgument('email', $email);
        }

        if (!$input->getArgument('password')) {
            $password = $this->getHelper('dialog')->askAndValidate(
                $output,
                'Please choose a password:',
                function($password) {
                    if (empty($password)) {
                        throw new \Exception('Password can not be empty');
                    }

                    return $password;
                }
            );
            $input->setArgument('password', $password);
        }

        if (!$input->getArgument('name')) {
            $name = $this->getHelper('dialog')->askAndValidate(
                $output,
                'Please choose a name:',
                function($name) {
                    if (empty($name)) {
                        throw new \Exception('Name can not be empty');
                    }

                    return $name;
                }
            );
            $input->setArgument('name', $name);
        }
    }
}

Note I have added a new input argument called name and inside the command I am using an acme.util.user_manipulator service instead of the original one os there I am going to process also the user's name.

3.Create your own UserManipulator:

 * @author Luis Cordova 
 */
class UserManipulator
{
    /**
     * User manager
     *
     * @var UserManagerInterface
     */
    private $userManager;

    public function __construct(UserManagerInterface $userManager)
    {
        $this->userManager = $userManager;
    }

    /**
     * Creates a user and returns it.
     *
     * @param string  $username
     * @param string  $password
     * @param string  $email
     * @param string  $name
     * @param Boolean $active
     * @param Boolean $superadmin
     *
     * @return \FOS\UserBundle\Model\UserInterface
     */
    public function create($username, $password, $email, $name, $active, $superadmin)
    {
        $user = $this->userManager->createUser();
        $user->setUsername($username);
        $user->setEmail($email);
        $user->setName($name);
        $user->setPlainPassword($password);
        $user->setEnabled((Boolean)$active);
        $user->setSuperAdmin((Boolean)$superadmin);
        $this->userManager->updateUser($user);

        return $user;
    }
}

In this class I only need the create function so the rest of commands like promote, demote.. does not know about your user's new properties so I do not need to create a CompilerPass to override the whole service.

4.Finally, define this new UserManipulator service in the Resources/config directory and add it to the DependencyInjection Extension:

services:
    acme.util.user_manipulator:
        class:      Acme\UserBundle\Util\UserManipulator
        arguments:  [@fos_user.user_manager]

Done!!!