backend-php/controllers/CommodityDeleteController.php

<?php

namespace Controllers;

use Libs\ResponseLib;
use Models\CommodityModel;
use Psr\Http\Message\ServerRequestInterface;

class CommodityDeleteController
{
    public function __invoke(ServerRequestInterface $request)
    {
        $body = json_decode((string)$request->getBody(), true) ?? [];
        $id = isset($body['commodities_id']) ? (int)$body['commodities_id'] : 0;
        if ($id <= 0) {
            return ResponseLib::sendFail('Validation failed: invalid commodities_id', [], 'E_VALIDATE')->withStatus(400);
        }
        $model = new CommodityModel();
        $deleted = $model->delete($id);
        return $deleted
            ? ResponseLib::sendOk(['deleted' => true], 'S_DELETED')
            : ResponseLib::sendFail('Commodity Not Found', [], 'E_DATABASE')->withStatus(204);
    }
}