NelmioApiDocBundle/UPGRADE-4.0.md
Filip Benčo 78664ef9ec
OpenApi 3 Support (#1623)
* Initial pass for OA3 upgrade

* Fix Util Tests

* Fix first batch of Unit Tests. Up to Model

* Another batch of fixed tests

* Update annotations

* Convert Model & Property Describers

* Update tests, Fix RouteDescribers, FIx additional bugs

* Another batch of updates

* Another batch of fixed Functional Tests

* Fix FunctionalTest tests

* Fix Bazinga Tests

* FIx FOS Rest

* Fix JMS TEsts & describers

* Fix all Tests

* Fix few stuff from own CR

* CS Fixes

* CS Fixes 2

* CS Fixes 3

* CS Fixes 4

* Remove collection bug

* Updates after first CRs

* CS

* Drop support for SF3

* Update the docs

* Add an upgrade guide

* misc doc fixes

* Configurable media types

* Code Style Fixes

* Don't use ::$ref for @Response and @RequestBody

* Fix upgrading guide

* Fix OA case

Co-authored-by: Filip Benčo <filip.benco@websupport.sk>
Co-authored-by: Guilhem Niot <guilhem.niot@gmail.com>
Co-authored-by: Mantis Development <mantis@users.noreply.github.com>
2020-05-28 13:19:11 +02:00

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Markdown

Upgrading From 3.x To 4.0
=========================
Version 4 is a major change introducing OpenAPI 3.0 support, the rebranded swagger specification, which brings a set of new interesting features. Unfortunately this required a rework to a large part of the bundle, and introduces BC breaks.
The Visual guide to "[What's new in 3.0 spec](https://blog.readme.com/an-example-filled-guide-to-swagger-3-2/)" gives more information on OpenApi 3.0.
Version 4 does not support older versions of the specification. If you need to output swagger v2 documentation, you will need to use the latest 3.x release.
The Upgrade to Swagger 3.0
--------------------------
The biggest part of the upgrade will most likely be the upgrade of the library `zircote/swagger-php` to `3.0` which introduces new annotations in order to support OpenAPI 3.0 but also changes
their namespace from ``Swagger`` to ``OpenApi``.
They created a dedicated page to help you upgrade : https://zircote.github.io/swagger-php/Migrating-to-v3.html.
Here are some additional advices that are more likely to apply to NelmioApiDocBundle users:
- Upgrade all your ``use Swagger\Annotations as SWG`` statements to ``use OpenApi\Annotations as OA;`` (to simplify the upgrade you may also stick to the ``SWG`` aliasing).
In case you changed ``SWG`` to ``OA``, upgrade all your annotations from ``@SWG\...`` to ``@OA\...``.
- Update your config in case you used inlined swagger docummentation (the field ``nelmio_api_doc.documentation``). [A tool](https://openapi-converter.herokuapp.com/) is available to help you convert it.
- In case you used ``@OA\Response(..., @OA\Schema(...))``, you should explicit your media type by using the annotation ``@OA\JsonContent`` or ``@OA\XmlContent`` instead of ``@OA\Schema``:
``@OA\Response(..., @OA\JsonContent(...))`` or ``@OA\Response(..., @OA\XmlContent(...))``.
When you use ``@Model`` directly (``@OA\Response(..., @Model(...)))``), the media type is set by default to ``json``.