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JSON-API Base

Basic application elements for JSON-API projects.

Offers means for quickly scaffolding JSON-API compliance for Laravel applications.

This does NOT provide the means to set up the API or the means for user authorisation.

Disclaimer

This is very much a work in progress at this time. Interface- and other breaking changes may happen.
The old, discontinued version of this project is in the 0.9.5 branch.

Version Compatibility

Note that version 1.5+ requires PHP 7.1.3+ and czim/laravel-dataobject 2.0+.

Changelog

View the changelog.

Installation

Via Composer

Add the JsonApiServiceProvider to your config/app.php:

Publish the configuration file.

Exceptions

In your App\Exceptions\Handler, change the render() method like so:

This will render exceptions thrown for all JSON-API (and JSON) requests as JSON-API error responses.

Middleware

To enforce correct headers, add the Czim\JsonApi\Http|Middleware\JsonApiHeaders middleware to the middleware group or relevant routes. You can do this by adding it to your App\Http\Kernel class:

Note that this will block access to any consumers of your API that do not conform their HTTP header use to the JSON-API standard.

Documentation

Request Data

Request Query String Data

JSON-API suggests passing in filter and page data using GET parameters, such as:

This package offers tools for accessing this information in a standardized way:

Using the jsonapi_query() global helper function. This returns the singleton instance of Czim\JsonApi\Support\Request\RequestParser.

You can ofcourse also instantiate the request parser yourself to access these methods:

Request Body Data

For PUT and POST requests with JSON-API formatted body content, special FormRequests are provided to validate and access request body data: \Czim\JsonApi\Http\Requests\JsonApiRequest.

For POST requests where id may be omitted while creating a resource, use \Czim\JsonApi\Http\Requests\JsonApiRequest instead.

These classes may be extended and used as any other FormRequest class in Laravel.

There are also a global help functions jsonapi_request() and jsonapi_request_create(), that returns an instance of the relevant request class (and so mimics Laravel's request()).

Using this approach guarantees that requests are valid JSON-API by validating the input against a JSON Schema.

The request data tree for a single-resource request:

For more information on the data object tree, see the Data classes.

Encoding

This package offers an encoder to generate valid JSON-API output for variable input content.

With some minor setup, it is possible to generate JSON output according to JSON-API specs for Eloquent models and errors.

Eloquent models, single, collected or paginated, will be serialized as JSON-API resources.

More information on encoding and configuring resources.

Custom Encoding & Transformation

To use your own transformers for specific class FQNs for the content to be encoded, map them in the jsonapi.transform.map configuration key:

This mapping will return the first-matched for content using is_a() checks. More specific matches should be higher in the list.

As a last resort, you can always extend and/or rebind the Czim\JsonApi\Encoder\Factories\TransformerFactory to provide your own transformers based on given content type.

Contributing

Please see CONTRIBUTING for details.

Credits

• Coen Zimmerman
• All Contributors

License

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