Contract_Item::canCreateItem PHP Метод

    function canCreateItem()
    {
        // Try to load the contract
        $contract = $this->getConnexityItem(static::$itemtype_1, static::$items_id_1);
        if ($contract === false) {
            return false;
        }
        if ($contract->fields['max_links_allowed'] > 0 && countElementsInTable($this->getTable(), ['contracts_id' => $this->input['contracts_id']]) >= $contract->fields['max_links_allowed']) {
            return false;
        }
        return parent::canCreateItem();
    }