bartender/controllers/DescriptionCreateController.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 DescriptionCreateController
{
    public function __invoke(ServerRequestInterface $request)
    {
        $body = json_decode((string) $request->getBody(), true) ?? [];

        try {
            v::key('product_id', v::intType()->positive())
             ->key('company_id', v::intType()->positive())
             ->key('description_text', v::stringType()->notEmpty())
             ->assert($body);
        } catch (ValidationException $e) {
            return ResponseLib::sendFail("Validation failed: " . $e->getFullMessage(), [], "E_VALIDATE")->withStatus(401);
        }

        $model = new DescriptionModel();
        $result = $model->addDescription(
            (int)$body['product_id'],
            (int)$body['company_id'],
            (string)$body['description_text']
        );

        return $result
            ? ResponseLib::sendOk(['created' => true])
            : ResponseLib::sendFail("Failed to Create Description", [], "E_DB")->withStatus(500);
    }
}