<?php
namespace Illuminate\Http\Resources\Json;
use ArrayAccess;
use Illuminate\Container\Container;
use Illuminate\Contracts\Routing\UrlRoutable;
use Illuminate\Contracts\Support\Arrayable;
use Illuminate\Contracts\Support\Responsable;
use Illuminate\Database\Eloquent\JsonEncodingException;
use Illuminate\Http\Resources\ConditionallyLoadsAttributes;
use Illuminate\Http\Resources\DelegatesToResource;
use JsonSerializable;
class JsonResource implements ArrayAccess, JsonSerializable, Responsable, UrlRoutable
{
use ConditionallyLoadsAttributes, DelegatesToResource;
/**
* The resource instance.
*
* @var mixed
*/
public $resource;
/**
* The additional data that should be added to the top-level resource array.
*
* @var array
*/
public $with = [];
/**
* The additional meta data that should be added to the resource response.
*
* Added during response construction by the developer.
*
* @var array
*/
public $additional = [];
/**
* The "data" wrapper that should be applied.
*
* @var string|null
*/
public static $wrap = 'data';
/**
* Create a new resource instance.
*
* @param mixed $resource
* @return void
*/
public function __construct($resource)
{
$this->resource = $resource;
}
/**
* Create a new resource instance.
*
* @param mixed ...$parameters
* @return static
*/
public static function make(...$parameters)
{
return new static(...$parameters);
}
/**
* Create a new anonymous resource collection.
*
* @param mixed $resource
* @return \Illuminate\Http\Resources\Json\AnonymousResourceCollection
*/
public static function collection($resource)
{
return tap(new AnonymousResourceCollection($resource, static::class), function ($collection) {
if (property_exists(static::class, 'preserveKeys')) {
$collection->preserveKeys = (new static([]))->preserveKeys === true;
}
});
}
/**
* Resolve the resource to an array.
*
* @param \Illuminate\Http\Request|null $request
* @return array
*/
public function resolve($request = null)
{
$data = $this->toArray(
$request = $request ?: Container::getInstance()->make('request')
);
if ($data instanceof Arrayable) {
$data = $data->toArray();
} elseif ($data instanceof JsonSerializable) {
$data = $data->jsonSerialize();
}
return $this->filter((array) $data);
}
/**
* Transform the resource into an array.
*
* @param \Illuminate\Http\Request $request
* @return array
*/
public function toArray($request)
{
if (is_null($this->resource)) {
return [];
}
return is_array($this->resource)
? $this->resource
: $this->resource->toArray();
}
/**
* Convert the model instance to JSON.
*
* @param int $options
* @return string
*
* @throws \Illuminate\Database\Eloquent\JsonEncodingException
*/
public function toJson($options = 0)
{
$json = json_encode($this->jsonSerialize(), $options);
if (JSON_ERROR_NONE !== json_last_error()) {
throw JsonEncodingException::forResource($this, json_last_error_msg());
}
return $json;
}
/**
* Get any additional data that should be returned with the resource array.
*
* @param \Illuminate\Http\Request $request
* @return array
*/
public function with($request)
{
return $this->with;
}
/**
* Add additional meta data to the resource response.
*
* @param array $data
* @return $this
*/
public function additional(array $data)
{
$this->additional = $data;
return $this;
}
/**
* Customize the response for a request.
*
* @param \Illuminate\Http\Request $request
* @param \Illuminate\Http\JsonResponse $response
* @return void
*/
public function withResponse($request, $response)
{
//
}
/**
* Set the string that should wrap the outer-most resource array.
*
* @param string $value
* @return void
*/
public static function wrap($value)
{
static::$wrap = $value;
}
/**
* Disable wrapping of the outer-most resource array.
*
* @return void
*/
public static function withoutWrapping()
{
static::$wrap = null;
}
/**
* Transform the resource into an HTTP response.
*
* @param \Illuminate\Http\Request|null $request
* @return \Illuminate\Http\JsonResponse
*/
public function response($request = null)
{
return $this->toResponse(
$request ?: Container::getInstance()->make('request')
);
}
/**
* Create an HTTP response that represents the object.
*
* @param \Illuminate\Http\Request $request
* @return \Illuminate\Http\JsonResponse
*/
public function toResponse($request)
{
return (new ResourceResponse($this))->toResponse($request);
}
/**
* Prepare the resource for JSON serialization.
*
* @return array
*/
public function jsonSerialize()
{
return $this->resolve(Container::getInstance()->make('request'));
}
}