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Swagger-php

PHP Version Require Latest Stable Version phpunit psalm Codecov Total Downloads type-coverage psalm-level

zircote/swagger-php integration package for Spiral Framework.

Requirements

Make sure that your server is configured with following PHP version and extensions:

  • PHP 8.1+
  • Spiral framework 3.5+

Installation

You can install the package via composer:

composer require spiral-packages/swagger-php

To enable the package in your Spiral Framework application, you will need to add the Spiral\OpenApi\Bootloader\SwaggerBootloader class to the list of bootloaders in your application:

protected const LOAD = [
    // ...
    \Spiral\OpenApi\Bootloader\SwaggerBootloader::class,
];

Note If you are using spiral-packages/discoverer, you don't need to register bootloader by yourself.

Configuration

The configuration file should be located at app/config/swagger.php, and it allows you to set options. Here is an example of how the configuration file might look:

use Spiral\OpenApi\Config\SwaggerConfig;
use Spiral\OpenApi\Generator\Parser\ConfigurationParser;
use Spiral\OpenApi\Generator\Parser\OpenApiParser;
use Spiral\OpenApi\Renderer\HtmlRenderer;
use Spiral\OpenApi\Renderer\JsonRenderer;
use Spiral\OpenApi\Renderer\YamlRenderer;

return [
    'documentation' => [
        'info' => [
            'title' => 'My App',
            'description' => 'API documentation',
            'version' => '1.0.0',
        ],
    ],
    'parsers' => [
        ConfigurationParser::class,
        OpenApiParser::class,
    ],
    'renderers' => [
        JsonRenderer::FORMAT => JsonRenderer::class,
        YamlRenderer::FORMAT => YamlRenderer::class,
        HtmlRenderer::FORMAT => HtmlRenderer::class,
    ],
    'paths' => [
        directory('app'),
    ],
    'exclude' => null,
    'pattern' => null,
    'version' => null,
    'cache_key' => SwaggerConfig::DEFAULT_CACHE_KEY,
    'generator_config' => [
        'operationId' => [
            'hash' => true,
        ],
    ],
    'use_cache' => env('APP_ENV') === 'prod',
];

Usage

First, create an entity that represents the resource you want to document. For example, you can create a User entity that represents a user resource:

namespace App\Entity;

use OpenApi\Attributes as OA;

#[OA\Schema(
    schema: 'User',
    description: 'User record',
    required: ['email', 'first_name', 'last_name'],
    type: 'object',
)]
class User
{
    #[OA\Property(type: 'string')]
    public string $email;

    #[OA\Property(property: 'first_name', type: 'string')]
    public string $firstName;

    #[OA\Property(property: 'last_name',type: 'string')]
    public string $lastName;
}

Next, create a Controller that handles the actions for the resource, and add Swagger attributes to the actions to describe the behavior of the endpoint. For example, you can create a UserController that handles the list action for the User resource:

use OpenApi\Attributes as OA;
use Psr\Http\Message\ResponseInterface;

class UserController
{
    #[OA\Get(
        path: '/api/v1/users',
        tags: ['User'],
        parameters: [
            new OA\Parameter(ref: '#/components/parameters/page'),
            new OA\Parameter(ref: '#/components/parameters/limit'),
            new OA\Parameter(
                name: 'sort',
                description: 'The field used to order users',
                in: 'query',
                schema: new OA\Schema(type: 'string'),
                examples: [
                    'user.first_name' => new OA\Examples(
                        example: 'user.first_name',
                        summary: 'Sort by `user.first_name` field',
                        value: 'user.first_name'
                    ),
                    'user.last_name' => new OA\Examples(
                        example: 'user.last_name',
                        summary: 'Sort by `user.last_name` field',
                        value: 'user.last_name'
                    ),
                ]
            ),
            new OA\Parameter(ref: '#/components/parameters/direction')
        ],
        responses: [
            new OA\Response(
                response: 200,
                description: 'Retrieve a collection of users',
                content: new OA\JsonContent(
                    properties: [
                        new OA\Property(
                            property: 'meta',
                            ref: '#/components/schemas/ResponseCollectionMeta'
                        ),
                        new OA\Property(
                            property: 'data',
                            description: 'Collection of users',
                            type: 'array',
                            items: new OA\Items(type: 'array', items: new OA\Items(
                                properties: [
                                    new OA\Property(
                                        property: 'uuid',
                                        type: 'string',
                                        example: '7be33fd4-ff46-11ea-adc1-0242ac120002'
                                    ),
                                    new OA\Property(
                                        property: 'type',
                                        type: 'string'
                                    ),
                                    new OA\Property(
                                        property: 'attributes',
                                        ref: '#/components/schemas/User'
                                    ),
                                ],
                                type: 'object'
                            ))
                        ),
                    ],
                    type: 'object'
                )
            ),
        ]
    )]
    public function list(): ResponseInterface
    {
        // ...
    }
}

Some elements like page, limit, direction parameters. The ResponseCollectionMeta schema can be used in a variety of places. Therefore, they can be defined in the configuration file:

// file app/config/swagger.php
return [
    'documentation' => [
        'info' => [
            'title' => 'My App',
            'description' => 'My App API Documentation',
            'version' => '1.0.0'
        ],
        'components' => [
            'parameters' => [
                'page' => [
                    'name' => 'page',
                    'in' => 'query',
                    'example' => 1,
                    'schema' => [
                        'type' => 'integer'
                    ]
                ],
                'limit' => [
                    'name' => 'limit',
                    'in' => 'query',
                    'example' => 25,
                    'schema' => [
                        'type' => 'integer'
                    ]
                ],
                'direction' => [
                    'name' => 'direction',
                    'in' => 'query',
                    'schema' => [
                        'type' => 'string'
                    ],
                    'examples' => [
                        'asc' => [
                            'value' => 'asc',
                            'summary' => 'Sort Ascending'
                        ],
                        'desc' => [
                            'value' => 'desc',
                            'summary' => 'Sort Descending'
                        ]
                    ]
                ]
            ],
            'schemas' => [
                'ResponseCollectionMeta' => [
                    'type' => 'object',
                    'properties' => [
                        'size' => [
                            'type' => 'integer'
                        ],
                        'page' => [
                            'type' => 'integer'
                        ],
                        'total' => [
                            'type' => 'integer'
                        ]
                    ]
                ]
            ]
        ]
    ],
];

The package provides a Spiral\OpenApi\Controller\DocumentationController controller that can render the documentation in various formats such as HTML, JSON, and YAML. The HTML format uses the Swagger UI for displaying the documentation. To use this controller, it is necessary to add a route in the App\Application\Bootloader\RoutesBootloader file:

use Spiral\OpenApi\Controller\DocumentationController;

final class RoutesBootloader extends BaseRoutesBootloader
{
    protected function defineRoutes(RoutingConfigurator $routes): void
    {
        // ...

        $routes
            ->add('swagger-api-html', '/api/docs')
            ->action(DocumentationController::class, 'html');
        $routes
            ->add('swagger-api-json', '/api/docs.json')
            ->action(DocumentationController::class, 'json');
        $routes
            ->add('swagger-api-yaml', '/api/docs.yaml')
            ->action(DocumentationController::class, 'yaml');

       // ...
    }
}

Testing

composer test
composer psalm
composer cs

License

The MIT License (MIT). Please see License File for more information.