ZF Apigility Documentation

Introduction

This ZF2 module can be used with conjunction with Apigility in order to:

• provide an object model of all captured documentation information, including:
  • All APIs available.
  • All services available in each API.
  • All operations available for each service.
  • All required/expected Accept and Content-Type request headers, and expected Content-Type response header, for each available operation.
  • All configured fields for each service.
• provide a configurable MVC endpoint for returning documentation.
  • documentation will be delivered in both HTML or serialized JSON by default.
  • end-users may configure alternate/additional formats via content-negotiation.

This module accomplishes all the above use cases by providing an endpoint to connect to (/apigility/documentation[/:api[-v:version][/:service]]), using content-negotiation to provide both HTML and JSON representations.

Requirements

Please see the composer.json file.

Installation

Run the following composer command:

$ composer require "zfcampus/zf-apigility-documentation:~1.0-dev"

Alternately, manually add the following to your composer.json, in the require section:

"require": {
    "zfcampus/zf-apigility-documentation": "~1.0-dev"
}

And then run composer update to ensure the module is installed.

Finally, add the module name to your project's config/application.config.php under the modules key:

return array(
    /* ... */
    'modules' => array(
        /* ... */
        'ZF\Apigility\Documentation',
    ),
    /* ... */
);

Configuration

User Configuration

This module does not utilize any user configuration.

System Configuration

The following configuration is defined by the module to ensure operation within a Zend Framework 2 MVC application.

'router' => array(
    'routes' => array(
        'zf-apigility' => array(
            'child_routes' => array(
                'documentation' => array(
                    'type' => 'Zend\Mvc\Router\Http\Segment',
                    'options' => array(
                        'route'    => '/documentation[/:api[-v:version][/:service]]',
                        'constraints' => array(
                            'api' => '[a-zA-Z][a-zA-Z0-9_]+',
                        ),
                        'defaults' => array(
                            'controller' => 'ZF\Apigility\Documentation\Controller',
                            'action'     => 'show',
                        ),
                    ),
                ),
            ),
        ),
    ),
),
'controllers' => array(
    'factories' => array(
        'ZF\Apigility\Documentation\Controller' => 'ZF\Apigility\Documentation\ControllerFactory',
    ),
),
'zf-content-negotiation' => array(
    'controllers' => array(
        'ZF\Apigility\Documentation\Controller' => 'Documentation',
    ),
    'accept_whitelist' => array(
        'ZF\Apigility\Documentation\Controller' => array(
            0 => 'application/vnd.swagger+json',
            1 => 'application/json',
        ),
    ),
    'selectors' => array(
        'Documentation' => array(
            'ZF\Apigility\Documentation\JsonModel' => array(
                'application/json',
            ),
            'Zend\View\Model\ViewModel' => array(
                'text/html',
                'application/xhtml+xml',
            ),
        ),
    ),
),
'view_helpers' => array(
    'invokables' => array(
        'agacceptheaders'      => 'ZF\Apigility\Documentation\View\AgAcceptHeaders',
        'agcontenttypeheaders' => 'ZF\Apigility\Documentation\View\AgContentTypeHeaders',
        'agservicepath'        => 'ZF\Apigility\Documentation\View\AgServicePath',
        'agstatuscodes'        => 'ZF\Apigility\Documentation\View\AgStatusCodes',
    ),
),
'view_manager' => array(
    'template_path_stack' => array(
        __DIR__ . '/../view',
    ),
),

ZF2 Events

This module has no events or listeners.

ZF2 Services

View Helpers

The following list of view helpers assist in making API documentation models presentable in view scripts.

• ZF\Apigility\Documentation\View\AgAcceptHeaders (a.k.a agAcceptHeaders) for making a list of Accept headers, escaped for HTML.
• ZF\Apigility\Documentation\View\AgContentTypeHeaders (a.k.a agContentTypeHeaders) for making a list of Content-Type headers, escaped for HTML.
• ZF\Apigility\Documentation\View\AgServicePath (a.k.a agServicePath) for making an HTML view representation of the route configuration of a service path.
• ZF\Apigility\Documentation\View\AgStatusCodes (a.k.a agStatusCodes) for making an escaped list of status codes and their messages.

Factories

ZF\Apigility\Documentation\ApiFactory

The ApiFactory service is capable of producing an object-graph representation of the desired API documentation that is requested. This object-graph will be composed of the following types:

• ZF\Apigility\Documentation\Api: the root node of an API.
• ZF\Apigility\Documentation\Services: an array of services in the API (a service can be one of a REST or RPC style service).
• ZF\Apigility\Documentation\Operations: an array of operations in the service.
• ZF\Apigility\Documentation\Fields: an array of fields for a service.