Doctrine ORM SearchFilter

// src/App/Entity.php
namespace App\Entity;
use ApiPlatform\Doctrine\Orm\Filter\SearchFilter;
use ApiPlatform\Metadata\ApiFilter;
use ApiPlatform\Metadata\ApiResource;
use Doctrine\ORM\Mapping as ORM;
#[ApiResource]

#[ApiFilter(SearchFilter::class, properties: ['title'])]
#[ORM\Entity]
class Book
{
    #[ORM\Id, ORM\Column, ORM\GeneratedValue]
    public ?int $id = null;
    #[ORM\Column]
    public ?string $title = null;
    #[ORM\Column]

    #[ApiFilter(SearchFilter::class, strategy: 'partial')]
    public ?string $author = null;
}

// src/App/Playground.php
namespace App\Playground;
use Symfony\Component\HttpFoundation\Request;
function request(): Request
{

    return Request::create('/books.jsonld?author=a', 'GET');
}

// src/DoctrineMigrations.php
namespace DoctrineMigrations;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\Migrations\AbstractMigration;
final class Migration extends AbstractMigration
{
    public function up(Schema $schema): void
    {
        $this->addSql('CREATE TABLE book (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, title VARCHAR(255) NOT NULL, author VARCHAR(255) NOT NULL)');
    }
}

// src/App/Fixtures.php
namespace App\Fixtures;
use App\Entity\Book;
use Doctrine\Bundle\FixturesBundle\Fixture;
use Doctrine\Persistence\ObjectManager;
use function Zenstruck\Foundry\anonymous;
use function Zenstruck\Foundry\faker;
use function Zenstruck\Foundry\repository;
final class BookFixtures extends Fixture
{
    public function load(ObjectManager $manager): void
    {
        $bookFactory = anonymous(Book::class);
        if (repository(Book::class)->count()) {
            return;
        }
        $bookFactory->many(10)->create(fn () => [
            'title' => faker()->name(),
            'author' => faker()->firstName(),
        ]
        );
    }
}

// src/App/Tests.php
namespace App\Tests;
use ApiPlatform\Playground\Test\TestGuideTrait;
use ApiPlatform\Symfony\Bundle\Test\ApiTestCase;
use App\Entity\Book;
final class BookTest extends ApiTestCase
{
    use TestGuideTrait;
    public function testAsAnonymousICanAccessTheDocumentation(): void
    {
        static::createClient()->request('GET', '/books.jsonld');
        $this->assertResponseIsSuccessful();
        $this->assertMatchesResourceCollectionJsonSchema(Book::class, '_api_/books{._format}_get_collection', 'jsonld');
        $this->assertJsonContains([
            'hydra:search' => [
                '@type' => 'hydra:IriTemplate',
                'hydra:template' => '/books.jsonld{?title,title[],author}',
                'hydra:variableRepresentation' => 'BasicRepresentation',
                'hydra:mapping' => [
                    [
                        '@type' => 'IriTemplateMapping',
                        'variable' => 'title',
                        'property' => 'title',
                        'required' => false,
                    ],
                    [
                        '@type' => 'IriTemplateMapping',
                        'variable' => 'title[]',
                        'property' => 'title',
                        'required' => false,
                    ],
                    [
                        '@type' => 'IriTemplateMapping',
                        'variable' => 'author',
                        'property' => 'author',
                        'required' => false,
                    ],
                ],
            ],
        ]);
    }
}