<?php

namespace Illuminate\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;
use Illuminate\Pagination\AbstractCursorPaginator;
use Illuminate\Pagination\AbstractPaginator;
use Illuminate\Support\Collection;
use Illuminate\Support\Str;
use LogicException;
use ReflectionClass;
use Traversable;

trait CollectsResources
{
    /**
     * Map the given collection resource into its individual resources.
     *
     * @param  mixed  $resource
     * @return mixed
     */
    protected function collectResource($resource)
    {
        if ($resource instanceof MissingValue) {
            return $resource;
        }

        if (is_array($resource)) {
            $resource = new Collection($resource);
        }

        $collects = $this->collects();

        $this->collection = $collects && ! $resource->first() instanceof $collects
            ? $resource->mapInto($collects)
            : $resource->toBase();

        return ($resource instanceof AbstractPaginator || $resource instanceof AbstractCursorPaginator)
                    ? $resource->setCollection($this->collection)
                    : $this->collection;
    }

    /**
     * Get the resource that this resource collects.
     *
     * @return string|null
     */
    protected function collects()
    {
        $collects = null;

        if ($this->collects) {
            $collects = $this->collects;
        } elseif (str_ends_with(class_basename($this), 'Collection') &&
            (class_exists($class = Str::replaceLast('Collection', '', get_class($this))) ||
             class_exists($class = Str::replaceLast('Collection', 'Resource', get_class($this))))) {
            $collects = $class;
        }

        if (! $collects || is_a($collects, JsonResource::class, true)) {
            return $collects;
        }

        throw new LogicException('Resource collections must collect instances of '.JsonResource::class.'.');
    }

    /**
     * Get the JSON serialization options that should be applied to the resource response.
     *
     * @return int
     */
    public function jsonOptions()
    {
        $collects = $this->collects();

        if (! $collects) {
            return 0;
        }

        return (new ReflectionClass($collects))
                  ->newInstanceWithoutConstructor()
                  ->jsonOptions();
    }

    /**
     * Get an iterator for the resource collection.
     *
     * @return \ArrayIterator
     */
    public function getIterator(): Traversable
    {
        return $this->collection->getIterator();
    }
}

• [D] Json
• [F] CollectsResources.php
  Delete
• [F] ConditionallyLoadsAttributes.php
  Delete
• [F] DelegatesToResource.php
  Delete
• [F] MergeValue.php
  Delete
• [F] MissingValue.php
  Delete
• [F] PotentiallyMissing.php
  Delete

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                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();
                        
                    
                

                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}
                    
                

                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}