private void consolidateInvoices() {
for (Invoice i : invoices) {
for (LineItem l : i.getInvoice()) {
String code = l.getProduct().getCode();
int quant = l.getQuantity();
double total = l.getTotal();
double price = l.getProduct().getPrice();
double[] sale = new double[3];
if (salesOrder.containsKey(code)) {
sale = salesOrder.get(code);
sale[0] += quant;
sale[1] += total;
} else {
sale[0] = quant;
sale[1] = total;
}
sale[2] = 0;
salesOrder.put(code, sale);
}
}
Iterator<Map.Entry<String, double[]>> entries = salesOrder.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry<String, double[]> entry = entries.next();
String code = entry.getKey();
double[] sale = entry.getValue();
sale[2] = sale[1] / sale[0];
salesOrder.put(code, sale);
}
}
public void removeItem(LineItem item) {
String code = item.getProduct().getCode();
for (int i = 0; i < items.size(); i++) {
LineItem lineItem = items.get(i);
if (lineItem.getProduct().getCode().equals(code)) {
items.remove(i);
return;
}
}
}
public void addItem(LineItem item) {
// Only add the item if it's not yet in the cart
String code = item.getProduct().getCode();
for (int i = 0; i < items.size(); i++) {
LineItem lineItem = items.get(i);
if (lineItem.getProduct().getCode().equals(code)) {
return;
}
}
items.add(item);
}
/**
* Adds a line item into the cart if it's not already there. Otherwise, the quantity will be
* increased.
*
* @param lineItem The line item to be added to the cart
*/
public void addItem(LineItem lineItem) {
String code = lineItem.getProduct().getCode();
int quantity = lineItem.getQuantity();
for (LineItem i : items) {
if (i.getProduct().getCode().equals(code)) {
// already exists
i.setQuantity(quantity);
return;
}
}
items.add(lineItem);
}