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Example code of umanit/doctrine-singleton-bundle

Informations about the package doctrine-singleton-bundle

Doctrine Singleton Bundle

This bundle intends to easily create complex singleton entities (totally unique, or based on some properties). Sonata Admin friendly with automatic integration.

Install

Register the bundle to your 'app/AppKernel.php'

That's it!

Usage

Tell that your entity is a singleton

Just need to implement the Umanit\DoctrineSingletonBundle\Model\SingletonInterface

Now, if you try to create 2 entities of type "Page", you'll get a NonUniqueException

More complex unicity

If you want to implement a more complex unicity, for example, you want the entity to be unique per local, you can subscribe to the FilterSingletonEvent::SINGLETON_FILTER_EVENT event to modify the filters (filters are used in a findBy() clause)

e.g (from TranslationBundle)

services.yml

Get singleton

In order to get your singleton instances, you can use the provided helpers for your PHP code or twig :

The method getSingleton($className, array $filters = [], $instantiateIfNotFound = false) can take from 1 to 3 arguments :

Integrating into SonataAdmin

The bundle will automatically remove add and list button from the list and the edit view.

If you use the UmanitDoctrineSingletonBundle:Sonata\SingletonCRUD as a controller for your admin class, you'll have a redirection to create if there's no entity found, to edit if there's only one, and to list if you have more than one.

e.g :

All versions of doctrine-singleton-bundle with dependencies

PHP Build Version
Package Version
Requires php Version >=8.0
symfony/framework-bundle Version >=5.0
doctrine/doctrine-bundle Version ^2.7
doctrine/orm Version ^2.13
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