DeepL File Translation script

translate-files.php

<?php

use Illuminate\Contracts\Console\Kernel;
use Illuminate\Http\Client\PendingRequest;
use Illuminate\Support\Facades\Http;

define('LARAVEL_START', microtime(true));

// this project requires access to Laravel features
$path = '~/laravel-project-dir/';

require_once $path . 'vendor/autoload.php';
$app = (require_once $path . 'bootstrap/app.php');
$app->make(Kernel::class)->bootstrap();

// path that contains the source file (must be EN.docx)
$fileDir = '~/files/';
$translations = ['IT', 'FR', 'NL', 'ES', 'PT', 'DE'];

// upload our document

function getClient(): PendingRequest
{
    $apiKey = 'XXXXXX-XXXXX-XXXXX-XXXXX-XXXXX';

    return Http::withToken($apiKey, 'DeepL-Auth-Key')
        ->baseUrl('https://api.deepl.com/v2/');
}

foreach ($translations as $translation) {
    dump("Beginning $translation translation...");

    $response = getClient()
        ->asMultipart()
        ->attach('file', file_get_contents($fileDir . '/EN.docx'), 'EN.docx')
        ->post('document', ['target_lang' => $translation]);

    if (!$response->successful()) {
        dd($response->json());
    }

    /** @var array{document_id: string, document_key: string} $data */
    $data = $response->json();
    $attempt = 0;

    do {
        sleep(3);
        dump('Check #' . ++$attempt);

        $status = getClient()->post('document/' . $data['document_id'], [
            'document_key' => $data['document_key'],
        ])->json('status');

    } while ($status !== 'done');

    dump("Downloading $translation...");
    sleep(1);
    getClient()->sink($fileDir . $translation . '.docx')
        ->post('document/' . $data['document_id'] . '/result', [
            'document_key' => $data['document_key'],
        ]);
}