Sonata Admin: Create ACL on object created outside of Admin

If you're using Sonata Admin and Symfony's ACL, you can extends Sonata Admin with the CoopTilleulsAclSonataAdminExtensionBundle. Using it, lists just contain data the logged in user has right to view. Thanks to the ACL editor, you can simply manage ACL inside your application and in the Sonata Admin.

It's perfectly working when objects are created inside the Sonata Admin, but don't works when you're creating them in a custom controller. 
To make it working, you just have to create the ACL using the Sonata Admin Security Handler.

Let's imagine you've a controller that is handling a form, and we've like the following code:

Now, you just have to get the which is an alias of the current security handler (look at SonataAdminExtension.php#L108) and update ACLs after persisting your model. If your Admin service for this model is named foo.barbundle.admin.model, use the following code: