resolving deprecated private service injection on commands classes

Command/SetPasswordCommand.php

@@ -20,19 +20,41 @@
 
 namespace Chill\MainBundle\Command;
 
-use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+use Doctrine\ORM\EntityManager;
+use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Input\InputArgument;
 use Chill\MainBundle\Entity\User;
+use Symfony\Component\Security\Core\Encoder\EncoderFactory;
+use Symfony\Component\Security\Core\Encoder\MessageDigestPasswordEncoder;
+use Symfony\Component\Security\Core\Security;
 
 /**
- * Description of SetPasswordCommand
+ * Class SetPasswordCommand
  *
+ * @package Chill\MainBundle\Command
  * @author Julien Fastré <julien.fastre@champs-libres.coop>
  */
-class SetPasswordCommand extends ContainerAwareCommand
+class SetPasswordCommand extends Command
 {
+    
+    /**
+     * @var EntityManager
+     */
+    private $entityManager;
+    
+    /**
+     * SetPasswordCommand constructor.
+     *
+     * @param EntityManager $entityManager
+     */
+    public function __construct(EntityManager $entityManager)
+    {
+        $this->entityManager = $entityManager;
+        parent::__construct();
+    }
+    
     public function configure()
     {
         $this->setName('chill:user:set_password')
@@ -64,17 +86,21 @@ class SetPasswordCommand extends ContainerAwareCommand
     
     public function _getUser($username)
     {
-        $em = $this->getContainer()->get('doctrine.orm.entity_manager');
-        return $em->getRepository('ChillMainBundle:User')
-              ->findOneBy(array('username' => $username));
+        return $this->entityManager
+            ->getRepository('ChillMainBundle:User')
+            ->findOneBy(array('username' => $username));
     }
     
     public function _setPassword(User $user, $password)
     {
-        $encoder = $this->getContainer()->get('security.encoder_factory')
-              ->getEncoder($user);
-        $user->setPassword($encoder->encodePassword($password, $user->getSalt()));
-        $this->getContainer()->get('doctrine.orm.entity_manager')
-              ->flush($user);
+        $defaultEncoder = new MessageDigestPasswordEncoder('sha512', true, 5000);
+        $encoders = [
+            User::class => $defaultEncoder
+        ];
+        $encoderFactory = new EncoderFactory($encoders);
+        $user->setPassword(
+            $encoderFactory->getEncoder($user)->encodePassword($password, $user->getSalt())
+        );
+        $this->entityManager->flush($user);
     }
 }