Validation : support of errors levels

[pierre-H]

Hello,

Thanks again for Api-Platform !

I'd like to use different error levels.
What I'd like is to have in the response (with all constraints message) the severity value. Is there a way to achieve this ?

Thank you !

[dunglas]

I wasn't even aware of this feature. After double checking, there is nothing regarding severity directly in the Validator component, it's a custom usage of the payload object.

Exposing payload objects client-side can be implemented easily has we already do for `violations:

• For Hydra: https://github.com/api-platform/core/blob/master/src/Hydra/Serializer/ConstraintViolationListNormalizer.php#L64
  Anf for RFC7807: https://github.com/api-platform/core/blob/master/src/Problem/Serializer/ConstraintViolationListNormalizer.php#L54

It is as easy as adding 'payload' => $violation->getConstraint()->getPayload() after violations. However, maybe the payload defined by the user may contain sensitive data (@webmozart, do you have a hint about that?), if it's the case, we should provide a configuration option to prevent payload serialization. We should also not add a payload key if no payload is provided.

Would you mind opening a PR?

[norkunas]

I would suggest to also serialize violation constraint error code

[pierre-H]

An option where we can configure which payload fields to serialize could be better :

api_platform:
    payload_validation_keys:
    - severity
    - other_field

This way, we can have sensitive and public data in the playload.

[pierre-H]

@dunglas I created a PR but I don't know why test don't pass ...