Missing Attribute Annotation

[robmro27]

namespace FOS\RestBundle\Controller\Annotations;

/**
 * View annotation class.
 *
 * @Annotation
 * @Target({"METHOD","CLASS"})
 */
class View extends Template
{

#[View]

Maybe I missed something but above class not support new PHP 8 attributes ? Checked all classes in Annotation folder. This is not supported yet ?

[xabbuh]

That's right, FOSRestBundle doesn't support attributes yet. Would you like to give this a try?

[robmro27]

Hmm...checked some things but this will not be easy as for some annotations Symfony blocks you. Check in example @Route.
Symfony misses \ReflectionAttribute::IS_INSTANCEOF parameter so all annotations extending symfony build it @Route will not work.

Maybe I am wrong, but this is the code that is problem IMO: https://github.com/symfony/symfony/blob/5.x/src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php#L375

I think they need to add this to make @Delete @Get @Head @Link @Patch @Post @Put @Unlink @Lock @Unlock @PropFind @PropPatch @Move @Mkcol @Copy work

[mbabker]

The other part of this that's tricky though is the changed Symfony\Component\Routing\Annotation\Route constructor signature to support attributes (the same changes in the validator is why in one of my newer OSS bundles I gave up on Symfony 4.4 support). Symfony 5.2 expanded the constructor to support named arguments, then 5.3 deprecates the $data array in favor of the new arguments. So the FOS\RestBundle\Controller\Annotations\Route constructor would need its own B/C layer of some kind or there's the potential of having to drop support for 4.4 if that ends up being too difficult to pull off.

Funny enough, the \ReflectionAttribute::IS_INSTANCEOF issue doesn't exist for the @View annotation; the framework extra bundle does use that when parsing attributes.

[robmro27]

Added PR to SF symfony/symfony#41014, it shows it will be merged in 5.* probably, work on this could be done after that...

[robmro27]

There is probably another problem with Params annotations. Currently they could be like this, nesting Constraints. I think it's not possible to pass this Constraint similar way to attribute unfortunately. Maybe there was something similar somewhere and was resolved ?

/**
 * @QueryParam(
 *   name="firstName",
 *   key="firstName",
 *   requirements=@Assert\Length(
 *      min = 2,
 *      max = 50,
 *      minMessage = "Your first name must be at least {{ limit }} characters long",
 *      maxMessage = "Your first name cannot be longer than {{ limit }} characters"
 * ),
 *   incompatibles={},
 *   default=null,
 *   description="",
 *   strict=true,
 *   map=false,
 *   nullable=false
 * )
 */
#[QueryParam(name: 'firstName', key: 'firstName', requirements: ???)]

Looks like even doctrine drop nesting:

• annotations: https://www.doctrine-project.org/projects/doctrine-orm/en/2.8/reference/annotations-reference.html
• attributes: https://www.doctrine-project.org/projects/doctrine-orm/en/2.9/reference/attributes-reference.html

So no solution probably...

[michaljusiega]

@robmro27 - Nested Attributes will be available since PHP 8.1.
See: https://wiki.php.net/rfc/new_in_initializers

[W0rma]

The other part of this that's tricky though is the changed Symfony\Component\Routing\Annotation\Route constructor signature to support attributes (the same changes in the validator is why in one of my newer OSS bundles I gave up on Symfony 4.4 support). Symfony 5.2 expanded the constructor to support named arguments, then 5.3 deprecates the $data array in favor of the new arguments. So the FOS\RestBundle\Controller\Annotations\Route constructor would need its own B/C layer of some kind or there's the potential of having to drop support for 4.4 if that ends up being too difficult to pull off.

I guess this is related to #2311

I gave it a try in #2312

[GuilhemN]

The @Route annotation is now compatible with php 8 annotations thanks to @W0rma (see #2325 and #2312).

@View and param annotations were not migrated yet though.