bartender/controllers/DescriptionGetController.php

<?php

namespace Controllers;

use Libs\ResponseLib;
use Models\DescriptionModel;
use Psr\Http\Message\ServerRequestInterface;
use Respect\Validation\Validator as v;
use Respect\Validation\Exceptions\ValidationException;

class DescriptionGetController
{
    public function __invoke(ServerRequestInterface $request)
    {
        $body = json_decode((string) $request->getBody(), true) ?? [];

        try {
            v::key('company_id', v::intType()->positive())->assert($body);
        } catch (ValidationException $e) {
            return ResponseLib::sendFail("Validation failed: " . $e->getFullMessage(), [], "E_VALIDATE")->withStatus(400);
        }

        $companyId = (int) $body['company_id'];

        $model = new DescriptionModel();
        $data = $model->getDescriptionsByCompany($companyId);

        return ResponseLib::sendOk($data);
    }
}