How to link doctrine resource with API resource not mapped with doctrine

[KerianMM]

Hello

gist with 4 example files

Our ContractInternal doctrine entity can be updated by API with a PUT on RequestChange resource.
A security step check if the change request is done on a contract owned by the current user.
If all is ok, the processor will apply changes on entity.

How to link doctrine resource with API resource not mapped with doctrine ?
Doctrine item provider cannot provide a non entity object

We understood that the operation's stateOptions is a free way to extend basic comportment, so we created the MappedResourceOptions.

But we still have some doubts.
May be we made a mistake about how should be use stateOptions ?

Without create provider for each, how to link doctrine resource with API resource not mapped with doctrine ?

Thank you for

[soyuka]

Hi,

Indeed, stateOptions or extraProperties are ways to extend our metadata to your liking.
We do this a lot when creating APIs, as it's very useful (for example to avoid serialization groups). For this to be automatic, we either do the mapping by hand or use a mapper (proposal for a new Symfony component: symfony/symfony#51741), check also the Symfony casts on the subject (also uses a micro-mapper).

You can find an example with the proposed component at: https://github.com/soyuka/api-platform-doctrine-mapper/blob/main/src/State/BookProvider.php#L14. At some point I'd like this to be in the core.

Now the last thing you need is to use your Provider on every resource or entity/resource tuple. To do so, use a Metadata Factory, like the one that works on doctrine entities inside the API Platform code:

core/src/Doctrine/Orm/Metadata/Resource/DoctrineOrmResourceCollectionMetadataFactory.php

Lines 88 to 105 in e895b69

	private function addDefaults(Operation $operation): Operation
	{
	if (null === $operation->getProvider()) {
	$operation = $operation->withProvider($this->getProvider($operation));
	}
	$options = $operation->getStateOptions() ?: new Options();
	if ($options instanceof Options && null === $options->getHandleLinks()) {
	$options = $options->withHandleLinks('api_platform.doctrine.orm.links_handler');
	$operation = $operation->withStateOptions($options);
	}
	if (null === $operation->getProcessor()) {
	$operation = $operation->withProcessor($this->getProcessor($operation));
	}
	return $operation;
	}