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Fabien Potencier e2b1d9cd5a feature #39399 [Serializer] Allow to provide (de)normalization context in mapping (ogizanagi)
This PR was squashed before being merged into the 5.3-dev branch.

Discussion
----------

[Serializer] Allow to provide (de)normalization context in mapping

| Q             | A
| ------------- | ---
| Branch?       | 5.x
| Bug fix?      | no
| New feature?  | yes <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tickets       | Fix #39039 <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
| License       | MIT
| Doc PR        | TODO <!-- required for new features -->

As explained in the linked feature request, this brings the ability to configure context on a per-property basis, using Serializer mapping.

Considering:

```php
use Symfony\Component\Serializer\Annotation as Serializer;
use Symfony\Component\Serializer\Normalizer\DateTimeNormalizer;

class Foo
{
    /**
     * @Serializer\Context({ DateTimeNormalizer::FORMAT_KEY = 'Y-m-d' })
     */
    public \DateTime $date;

    public \DateTime $anotherDate;
}
```

`$date` will be formatted with a specific format, while `$anotherDate` will use the default configured one (or the one provided in the context while calling `->serialize()` / `->normalize()`).

It can also differentiate normalization and denormalization contexts:

```php
use Symfony\Component\Serializer\Annotation as Serializer;
use Symfony\Component\Serializer\Normalizer\DateTimeNormalizer;

class Foo
{
    /**
     * @Serializer\Context(
     *   normalizationContext = { DateTimeNormalizer::FORMAT_KEY = 'Y-m-d' },
     *   denormalizationContext = { DateTimeNormalizer::FORMAT_KEY = \DateTime::COOKIE },
     * )
     */
    public \DateTime $date;
}
```

As well as act differently depending on groups:

```php
use Symfony\Component\Serializer\Annotation as Serializer;
use Symfony\Component\Serializer\Normalizer\DateTimeNormalizer;

class Foo
{
    /**
     * @Serializer\Groups({ "extended" })
     * @Serializer\Context({ DateTimeNormalizer::FORMAT_KEY = \DateTime::RFC3339 })
     * @Serializer\Context(
     *   context = { DateTimeNormalizer::FORMAT_KEY = \DateTime::RFC3339_EXTENDED },
     *   groups = {"extended"},
     * )
     */
    public \DateTime $date;
}
```

The annotation can be repeated as much as you want to handle the different cases.
Context without groups is always applied first, then context for groups are merged in the provided order.
Context provided when calling `->serialize()` / `->normalize()` acts as the defaults for the properties without context provided in the metadata.

XML mapping (see tests) is a lot verbose due to the required structure to handle groups.

Such metadata contexts are also forwarded to name converters, max depth handlers, callbacks, ...

Of course, PHP 8 attributes are also supported:

```php
use Symfony\Component\Serializer\Annotation as Serializer;
use Symfony\Component\Serializer\Normalizer\DateTimeNormalizer;

class Foo
{
    #[Serializer\Groups(["extended"])]
    #[Serializer\Context([DateTimeNormalizer::FORMAT_KEY => \DateTime::RFC3339])]
    #[Serializer\Context(
      context: [DateTimeNormalizer::FORMAT_KEY => \DateTime::RFC3339_EXTENDED],
      groups: ["extended"],
    )]
    public \DateTime $date;
}
```

The PR should be ready for first batch of reviews / discussions.

- [x] Make Fabbot happy in 5.2
- [x] Missing `@Context` unit tests
- [x] rework xml & phpize values
- [x] Fix lowest build issue with annotations => bumped doctrine annotations to 1.7, as for other components

Commits
-------

7229fa1d8f [Serializer] Allow to provide (de)normalization context in mapping
2021-02-16 07:56:07 +01:00
.github Merge branch '5.2' into 5.x 2021-02-08 11:24:30 +01:00
src/Symfony feature #39399 [Serializer] Allow to provide (de)normalization context in mapping (ogizanagi) 2021-02-16 07:56:07 +01:00
.appveyor.yml Merge branch '4.4' into 5.2 2021-01-27 17:27:53 +01:00
.editorconfig Update .editorconfig 2018-09-06 16:22:56 +02:00
.gitattributes Don't "replace" mailer bridges in "symfony/symfony" 2021-02-07 16:15:59 +01:00
.gitignore Run the phpunit-bridge from a PR 2019-08-02 17:46:19 +02:00
.php_cs.dist Merge branch '5.1' into 5.2 2021-01-19 22:00:40 +01:00
.travis.yml Merge branch '5.2' into 5.x 2021-01-27 17:29:32 +01:00
CHANGELOG-5.0.md Merge branch '5.0' into 5.1 2020-06-15 13:50:15 +02:00
CHANGELOG-5.1.md Update CHANGELOG for 5.1.10 2020-12-18 14:43:18 +01:00
CHANGELOG-5.2.md Update CHANGELOG for 5.2.3 2021-02-03 05:51:42 +01:00
CODE_OF_CONDUCT.md Added the Code of Conduct file 2018-10-10 03:13:30 -07:00
composer.json [Security] Extract password hashing from security-core - using the right naming 2021-02-12 16:42:42 +01:00
CONTRIBUTING.md Mention the community review guide 2016-12-18 22:02:35 +01:00
CONTRIBUTORS.md Add some information about the username in CONTRIBUTORS 2021-02-09 09:21:20 +01:00
LICENSE Bump license year 2021-01-01 10:24:35 +01:00
link Merge branch '5.1' into 5.2 2020-12-10 20:16:15 +01:00
phpunit Merge branch '4.4' into 5.2 2021-02-11 09:21:20 +01:00
phpunit.xml.dist Merge branch '4.4' into 5.1 2020-11-16 16:58:32 +01:00
README.md Update README.md 2020-12-29 01:17:49 +01:00
UPGRADE-5.0.md Merge branch '4.4' into 5.1 2020-12-10 18:44:54 +01:00
UPGRADE-5.1.md Update UPGRADE-5.1.md 2020-09-07 01:58:27 +02:00
UPGRADE-5.2.md [HttpFoundation] Deprecate BinaryFileResponse::create(). 2020-11-20 16:47:02 +01:00
UPGRADE-5.3.md [Workflow] Deprecate InvalidTokenConfigurationException 2021-02-15 15:47:12 +01:00
UPGRADE-6.0.md [Workflow] Deprecate InvalidTokenConfigurationException 2021-02-15 15:47:12 +01:00

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