public function bid() { if ($this->request->bid !== "") { $idLot = $this->request->id; $idUser = $_SESSION['user_id']; $where = "lot_id = ? AND user_id = ?"; $data = AbstractModel::getOnWhere("bid", "*", $where, array($idLot, $idUser)); $bidValue = $this->request->bid; /** * */ $select = new SelectPDO(); $select->from('bid', ['MAX(bid.value) m'])->where('lot_id=' . $idLot)->group('lot_id'); $max = AbstractModel::getOnComplexQuery($select); if ($bidValue < $max[0]['m']) { return false; } else { if (!empty($data)) { $fields = ["value" => $bidValue]; $id = (int) $data[0]['id']; AbstractModel::updateOnId("bid", $fields, $id); return true; } else { $fields = ["lot_id" => $idLot, "user_id" => $idUser, "value" => $bidValue]; AbstractModel::insert("bid", $fields); return true; } } } return false; }