vuefilemanager/app/Http/Resources/Oasis/OasisInvoiceResource.php

<?php

namespace App\Http\Resources\Oasis;

use Illuminate\Http\Resources\Json\JsonResource;

class OasisInvoiceResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param \Illuminate\Http\Request $request
     * @return array
     */
    public function toArray($request)
    {
        return [
            'id'            => $this->id,
            'name'          => $this->client['name'] . ' ' . format_to_currency($this->total_net, $this->currency),
            'invoiceNumber' => $this->invoice_number,
            'total'         => format_to_currency($this->total_net, $this->currency),
            'file_url'      => '',
            'clientName'    => $this->client['name'],
            'mimetype'      => 'pdf',
            'created_at'    => format_date($this->created_at, '%d. %B. %Y'),
        ];
    }
}