bartender/controllers/ProductCreateController.php

<?php

namespace Controllers;

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

class ProductCreateController
{
    private ProductModel $model;

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

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

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

        $companyId = $body['company_id'];
        $productName = $body['product_name'];
        $productPrice = (float) $body['product_price'];
        $categoryId = $body['category_id'];

        $created = $this->model->createProduct(
            $productName,
            $productPrice,
            (int)$categoryId,
            (int)$companyId
        );

        return $created
            ? ResponseLib::sendOk(['created' => true])
            : ResponseLib::sendFail("Failed to Create Product", [], "E_DATABASE")->withStatus(402);
    }
}