Symfony2 Service Class. Function Call

Question

I have a service like this :

  services:
    prodacom_authentication.encode:
      class: Prodacom\AuthenticationBundle\Service\Encode
      arguments: ["@security.context"]

the service function i want to call in a controller:

public function encodePassword() {
    $factory = $this->get('security.encoder_factory');
    $user = new Prodacom\MainBundle\Entity\PdbUser();

    $encoder = $factory->getEncoder($user);
    $password = $encoder->encodePassword('ryanpass', $user->getSalt());
    var_dump($password);
    $user->setPassword($password);
}

i want to call the function encodePassword in the authenticationController.php.

    $this->get('prodacom_authentication.encode')->encodePassword();

but i keep getting this error :

    Attempted to call method "get" on class "Prodacom\AuthenticationBundle\Service\Encode" in C:\htdocs\domeinbeheer\src\Prodacom\AuthenticationBundle\Service\Encode.php line 12.

any ideas ???

If You want to use ->get('') in Your service You have to pass container service to It. — kskaradzinski
– kskaradzinski, Commented Sep 15, 2014 at 10:17

SimonSimCity · Accepted Answer · 2014-09-15 11:09:48Z

1

The problem is in the second line in your method, where you call: $this->get('security.encoder_factory')

Within your service, the method get() is not defined if you have not implemented it yourself. Your controller has it, because it extends a class called ContainerAware, that implements this method.

You can now either inject the complete dependency-container (not recommended) or just inject the services you need into your service. Here's a list of different ways you can use to inject services into your service: http://symfony.com/doc/current/components/dependency_injection/types.html

I saw you're already familiar with constructor-injection ...

answered Sep 15, 2014 at 11:09

SimonSimCity

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j-guyon · Accepted Answer · 2014-09-15 10:58:58Z

1

If you want to use a service in another one, you have to use dependency injection.

$this->get() is available in a controller context only.

You'll find a full example in official documentation : http://symfony.com/doc/2.3/components/dependency_injection/introduction.html

Note : You have to pass each service or parameters you need in injection. Inject the container to call others services can seems more easy, but is a bad practice.

answered Sep 15, 2014 at 10:58

j-guyon

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