Using SF4 & Api platform :
I would like to have a route for performing a random computation, and returning result to the client.. this seems to be simple
However I am not able to do it easily with custom operations
Here it is what I have done
I have my entity, for request & reponse, using normalization to have field only in request, and not in response
And I have my Controller with my custom operation + the corresponding route only for collection (as I don't have any id) in yaml in the api_platform/resources.yaml file
The controller is taking the entity in input and responding with it, hydrated by the result
I am getting the error :
2018-08-18T16:22:42+02:00 [critical] Uncaught PHP Exception ApiPlatform\Core\Exception\InvalidArgumentException: "Unable to generate an IRI for the item of type "App\Entity\Computation"" at /dev/git/app-api/vendor/api-platform/core/src/Bridge/Symfony/Routing/IriConverter.php line 127
But I think this is when the server is serializing the reponse, as the computation is performed (log inside are printed)
Entity\Computation.php :
class Computation
{
/**
* @var double you input
*
* @Assert\NotBlank
* @Groups({"read","write"})
*/
public $input;
/**
* @var double the result
*
* @Groups({"read"})
*/
public $result;
}
Controller\ComputationController.php :
class ComputationController
{
private $service;
public function __construct(MyService $service)
{
$this->service= $service;
}
public function __invoke(Position $data): Response
{
$this->service->compute($data);
return $data;
}
}
api_platform/resources.yaml :
resources:
App\Entity\Computation:
itemOperations: {}
collectionOperations:
compute:
method: 'POST'
path: '/compute'
controller: 'App\Controller\ComputationController'
attributes:
normalization_context:
groups: ['read']
denormalization_context:
groups: ['write']
Can someone help me with it ?
Thanks !
