private double getThisWeeksOrdersCost() {
double totalCost = 0.0;
for (PurchasingTransaction order : database.getPurchasingTransactions()) {
if (isDateInCurrentWeek(order.getTransactionDate())) totalCost += order.getTransactionCost();
}
return totalCost;
}
private double getTotalCostOfOrders() {
double totalCost = 0.0;
for (PurchasingTransaction order : database.getPurchasingTransactions()) {
totalCost += order.getTransactionCost();
}
return totalCost;
}
private double getPercentCostThisWeek() {
double weeksCost = 0.0;
double totalCost = 0.0;
for (PurchasingTransaction order : database.getPurchasingTransactions()) {
if (isDateInCurrentWeek(order.getTransactionDate())) {
weeksCost += order.getTransactionCost();
}
totalCost += order.getTransactionCost();
}
return (double) weeksCost / totalCost * 100;
}
private double getPercentEarlierCost() {
double totalCost = 0.0;
double earlierCost = 0.0;
for (PurchasingTransaction order : database.getPurchasingTransactions()) {
if (!isDateInCurrentWeek(order.getTransactionDate())) {
earlierCost += order.getTransactionCost();
}
totalCost += order.getTransactionCost();
}
return (double) earlierCost / totalCost * 100;
}
private int getNoOrdersThisWeek() {
int noOrders = 0;
// set start of week object to preceding Monday at 00:00:00
Calendar startOfWeek = Calendar.getInstance();
startOfWeek.set(Calendar.DAY_OF_YEAR, (Calendar.DAY_OF_YEAR - Calendar.DAY_OF_WEEK));
for (PurchasingTransaction order : database.getPurchasingTransactions()) {
if (isDateInCurrentWeek(order.getTransactionDate())) {
noOrders++;
}
}
ordersThisWeek = noOrders;
return noOrders;
}