bartender/controllers/CategoryGetController.php

<?php

namespace Controllers;

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

class CategoryGetController
{
    private CategoryModel $model;

    public function __construct()
    {
        $this->model = new CategoryModel();
    }

    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'];
        $categories = $this->model->getCategories($companyId);

        if ($categories) {
            return ResponseLib::sendOk($categories);
        }

        return ResponseLib::sendFail("Failed to retrieve categories", [], "E_DATABASE")->withStatus(500);
    }
}