nanosanteservice/app/Http/Controllers/HelperController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class HelperController extends Controller
{
    /**
     * @OA\Get(
     *   path="/pdf-viewer",
     *   summary="Afficher le PDF de la facture dans une web view",
     *   tags={"Factures"},
     *    @OA\Parameter(
     *      parameter="url",
     *      name="url",
     *      description="URL du fichier",
     *      in="query",
     *      required=true,
     *      @OA\Schema(
     *           type="string",
     *           default="http://localhost:8086/invoices-docs/31122021_28012022_aon8K9BZOn_1643395930.pdf"
     *      )
     *    ),
     *    @OA\Response(
     *      response=200,
     *      description="OK"
     *    )
     * )
     */
    public function pdfView(Request $request)
    {
        $this->validate($request, [
            'url' => 'required|string'
        ]);

        $url = $request->input('url');
        return view('pdf-viewer', compact('url'));
    }
}