shipping-portal/app/Http/Resources/OrderPackagesResource.php

<?php

namespace App\Http\Resources;


use App\Classes\ValueObjects\Constants\PackingListType;
use Illuminate\Http\Resources\Json\JsonResource;

class OrderPackagesResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function toArray($request)
    {
        $origin_warehouse_packages = $this->originWarehousePackages()->get();
        $in_transit_packages = $this->inTransitPackages()->get();
        $destination_warehouse_packages = $this->destinationWarehousePackages()->get();
        $delivered_packages = $this->deliveredPackages()->get();
        $received_packages = $this->packingLists()->where('type', PackingListType::WAREHOUSE_RECEIVE_LIST)->whereHas('packages')->get();

        return [
            'id' => $this->id,
            'reference' => $this->reference,
            'reference_contract' => (int) $this->type,
            'type' => (int) $this->type,
            'status' => (int) $this->status,
            'parcels' =>  $this->whenLoaded('packingLists', function() use ($origin_warehouse_packages, $in_transit_packages, $destination_warehouse_packages, $delivered_packages, $received_packages) {
                return [
                    'origin_warehouse_packages' =>  PackingListForPackagesResource::collection($origin_warehouse_packages),
                    'in_transit_packages' =>  PackingListForPackagesResource::collection($in_transit_packages),
                    'destination_warehouse_packages' =>  PackingListForPackagesResource::collection($destination_warehouse_packages),
                    'delivered_packages' =>  PackingListForPackagesResource::collection($delivered_packages),
                    'received_packages' =>  PackingListForPackagesResource::collection($received_packages),
                ];
            }),
            'created_at' => $this->created_at->format('d-m-Y')
        ];

    }
}