/**
* Returns the last order placed by the customer, by first authenticating him.
*
* @param C_UNAME name of the customer
* @param S_PASSWD password supplied by the customer
* @return the BigOrderModel object, if successfully authenticated; null otherwise
*/
public BigOrderModel getLastOrder(String C_UNAME, String C_PASSWD) {
BigOrderModel bigOrder = null;
CustomerModel custModel = null;
try {
// find Collection of customers with this C_UNAME
// it should be actually one or none of them
Collection coll = custHome.findByC_UNAME(C_UNAME);
if (coll.isEmpty()) return null; // fail, if no such customers
// get the CustomerModel object
Customer customer = (Customer) coll.iterator().next();
custModel = customer.getCustomer();
// check the password
if (!custModel.getC_PASSWD().equals(C_PASSWD)) return null; // fail if passwds do not match
} catch (Exception e) {
throw new EJBException(e);
}
// find the latest order
Integer O_ID = null;
Connection con = null;
PreparedStatement prepStmt = null;
ResultSet rs = null;
try {
con = datasource.getConnection();
String s = "SELECT max(o_id) FROM orders WHERE o_c_id = ?";
prepStmt = con.prepareStatement(s);
prepStmt.setInt(1, custModel.getC_ID().intValue());
rs = prepStmt.executeQuery();
boolean exist = rs.next();
if (exist) {
int i = rs.getInt(1);
if (rs.wasNull()) {
O_ID = null;
} else {
O_ID = new Integer(i);
}
}
} catch (Exception ex) {
throw new EJBException(ex);
} finally {
try {
rs.close();
} catch (Exception e) {
}
try {
prepStmt.close();
} catch (Exception e) {
}
try {
con.close();
} catch (Exception e) {
}
}
if (O_ID == null) {
// no orders from this customer
// return empty model object, which means that authentication was successfull, but no orders
// ware found
return new BigOrderModel();
}
OrderModel orderModel = null;
try {
orderModel = orderHome.findByPrimaryKey(O_ID).getOrder();
} catch (Exception e) {
throw new EJBException(e);
}
// create BigOrderModel object and fill it with right order related info
bigOrder =
new BigOrderModel(
O_ID,
orderModel.getO_C_ID(),
orderModel.getO_DATE(),
orderModel.getO_SUB_TOTAL(),
orderModel.getO_TAX(),
orderModel.getO_TOTAL(),
orderModel.getO_SHIP_TYPE(),
orderModel.getO_SHIP_DATE(),
orderModel.getO_STATUS());
// set customer information fields
bigOrder.setC_FNAME(custModel.getC_FNAME());
bigOrder.setC_LNAME(custModel.getC_LNAME());
bigOrder.setC_PHONE(custModel.getC_PHONE());
bigOrder.setC_EMAIL(custModel.getC_EMAIL());
try {
// set billing address related info
Integer B_O_ID = orderModel.getO_BILL_ADDR_ID();
AddressModel billAddr = addressHome.findByPrimaryKey(B_O_ID).getAddress();
bigOrder.setBILL_ADDR(billAddr);
bigOrder.setBILL_CO_NAME(
countryHome.findByPrimaryKey(billAddr.getADDR_CO_ID()).getCountry().getCO_NAME());
// set shipping address related info
Integer S_O_ID = orderModel.getO_SHIP_ADDR_ID();
AddressModel shipAddr = addressHome.findByPrimaryKey(S_O_ID).getAddress();
bigOrder.setSHIP_ADDR(shipAddr);
bigOrder.setSHIP_CO_NAME(
countryHome.findByPrimaryKey(shipAddr.getADDR_CO_ID()).getCountry().getCO_NAME());
// set credit card transaction related info
Cc_xactModel xact = xactHome.findByPrimaryKey(O_ID).getCc_xact();
bigOrder.setCX_TYPE(xact.getCX_TYPE());
bigOrder.setCX_AUTH_ID(xact.getCX_AUTH_ID());
// set lineItems related info
Iterator iter = orderLineHome.findByOrderId(O_ID).iterator();
ArrayList list = new ArrayList();
while (iter.hasNext()) {
OrderLineModel olm = ((OrderLine) iter.next()).getOrderLine();
BigOrderLineModel bigOrderLine =
new BigOrderLineModel(
olm.getOL_ID(),
olm.getOL_O_ID(),
olm.getOL_I_ID(),
olm.getOL_QTY(),
olm.getOL_DISCOUNT(),
olm.getOL_COMMENTS());
ItemModel item = itemHome.findByPrimaryKey(olm.getOL_I_ID()).getItem();
bigOrderLine.setI_TITLE(item.getI_TITLE());
bigOrderLine.setI_PUBLISHER(item.getI_PUBLISHER());
bigOrderLine.setI_COST(item.getI_COST());
list.add(bigOrderLine);
}
bigOrder.setLineItems(list);
} catch (Exception e) {
throw new EJBException(e);
}
return bigOrder;
}
