public function postProcess() { $id = (int) Tools::getValue('id_' . $this->table); if (Tools::getValue('submitAdd' . $this->table)) { if (Tools::getValue('delimiter1') >= Tools::getValue('delimiter2')) { $this->errors[] = Tools::displayError('Invalid range'); } elseif (!$id && RangeWeight::rangeExist((int) Tools::getValue('id_carrier'), (double) Tools::getValue('delimiter1'), (double) Tools::getValue('delimiter2'))) { $this->errors[] = Tools::displayError('The range already exists'); } elseif (RangeWeight::isOverlapping((int) Tools::getValue('id_carrier'), (double) Tools::getValue('delimiter1'), (double) Tools::getValue('delimiter2'), $id ? (int) $id : null)) { $this->errors[] = Tools::displayError('Error: Ranges are overlapping'); } elseif (!count($this->errors)) { parent::postProcess(); } } else { parent::postProcess(); } }