manager
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/*
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*/
package l03;
import java.util.ArrayList;
//import java.util.Hashtable;
import java.util.Scanner;
/**
*
* @author HP
*/
public class Manager {
/**
* create ArrayList Fruit
*/
public static ArrayList<Fruit> fa = new ArrayList<>();
/**
* create ArrayList Order
*/
public static ArrayList<Order> lo = new ArrayList<>();
//Hashtable<String, ArrayList<Order>> ht = new Hashtable<>();
Validation vd = new Validation();
Scanner sc = new Scanner(System.in);
private int fruitID;
private String fruitName;
private double price;
private int quantity;
private String origin;
/**
* format menu
*/
public void menu() {
System.out.println(" FRUIT SHOP SYSTEM ");
System.out.println("1. Create Fruit ");
System.out.println("2. View orders ");
System.out.println("3. Shopping (for buyer)");
System.out.println("4. Exit ");
System.out.print("Please choose: ");
}
/**
* open menu
*/
public void openMenu() {
while (true) {
menu();
int choice = vd.checkInputIntLimit();
switch (choice) {
case 1:
createFruit();
break;
case 2:
viewOrder();
break;
case 3:
shopping();
break;
case 4:
System.out.println("Thank you for using the service!");
System.out.println("SEE YOU LATER!");
return;
}
}
}
// FUNCTION 1
/**
* use create fruit function 1
*/
public void createFruit() {
String a = "";
do {
System.out.println("Please input Fruit ID:");
inputID();
System.out.println("Please input Fruit name:");
fruitName = vd.checkInputWord();
System.out.println("Please input price:");
price = vd.checkInputPrice();
System.out.println("Please input quantity:");
quantity = vd.checkInputQuantity();
System.out.println("Please input origin:");
origin = vd.checkInputWord();
fa.add(new Fruit(fruitID, fruitName, price, quantity, origin));
System.out.println("Do you want to create more fruit (Y/N)?");
boolean isValid = true;
//Input user's yes or no to playagain or not
do {
a = sc.nextLine();
//check their input if input is valid or not
if (!(a.equalsIgnoreCase("y") || a.equalsIgnoreCase("n")
|| a.equalsIgnoreCase("yes") || a.equalsIgnoreCase("no"))) {
System.out.println("Please input 'yes' or 'no': ");
isValid = false;
} else {
isValid = true;
}
} while (isValid == false);
} while (a.equalsIgnoreCase("y") || a.equalsIgnoreCase("yes"));
}
/**
* Input ID again
*/
public void inputID() {
do {
fruitID = vd.checkInputInt();
if (checkIDExits()) {
System.out.println("The ID already exists in the data, please enter another !");
System.out.print("Enter again: ");
}
} while (checkIDExits());
}
/**
* check id already exists
*
* @return
*/
public boolean checkIDExits() {
for (int i = 0; i < fa.size(); i++) {
if (fa.get(i).getFruitID() == fruitID) {
return true;
}
}
return false;
}
//FUNCTION 3
/**
* Shopping Function3
*/
public void shopping() {
if (fa.isEmpty()) {
System.out.println("The store has no products!");
} else {
String input = "";
String customer = null;
do {
printFruitList();
System.out.println("Please choose a fruit you want to buy: ");
inputName();
System.out.println("Please input the quantity: ");
inputQuantity();
do {
System.out.println("Do you want to order now? (Y/N)");
input = sc.nextLine().toLowerCase();
} while (!input.equals("y") && !input.equals("n") && !input.equals("yes") && !input.equals("no"));
if (input.equals("y") || input.equals("yes")) {
inputNameCustomer();
Order o = new Order(fruitID, fruitName, quantity, price, customer);
o.print();
}
// else{
// return;
// }
} while (input.equals("n") || input.equals("no"));
}
}
/**
* Show table information
*/
public void printFruitList() {
if (fa.isEmpty()) {
System.out.println("There are currently no customer orders");
} else {
System.out.println("List of Fruit:");
System.out.println("---------------------------------------------------");
System.out.printf("|%5s|%-20s|%-16s|%-5s|\n", "No.", "Fruit Name", "Origin", "Price");
System.out.println("---------------------------------------------------");
for (int i = 0; i < fa.size(); i++) {
Fruit e = fa.get(i);
e.output();
}
System.out.println("---------------------------------------------------");
}
}
/**
* check fruit name exists in the store
*
* @return
*/
public String inputName() {
do {
fruitName = vd.checkInputWord();
if (!checkNameExits()) {
System.out.println("The fruit you want to buy is not in the store yet.");
System.out.print("Please choose another fruit: ");
}
} while (!checkNameExits());
return fruitName;
}
/**
* check Name Exits
*
* @return
*/
public boolean checkNameExits() {
for (int i = 0; i < fa.size(); i++) {
if (fa.get(i).getFruitName().equals(fruitName)) {
return true;
}
}
return false;
}
/**
* input Quantity
*/
public void inputQuantity() {
boolean enoughQuantity;
do {
quantity = vd.checkInputQuantity();
enoughQuantity = checkEnoughQuantity();
if (!enoughQuantity) {
System.out.println("The store does not have enough quantity to meet your needs.");
System.out.print("Please enter a smaller quantity: ");
}
} while (!enoughQuantity);
}
/**
* check quantity in store
*
* @return
*/
public boolean checkEnoughQuantity() {
for (int i = 0; i < fa.size(); i++) {
if (fa.get(i).getFruitName().equals(fruitName) && fa.get(i).getQuantity() >= quantity) {
return true;
}
}
return false;
}
/**
* input Name Customer
*/
public void inputNameCustomer() {
System.out.println("Input your name: ");
String customer = vd.checkInputWord();
lo.add(new Order(fruitID, fruitName, quantity, price, customer));
// ht.put(customer, lo);
System.out.println("Add Sucessful.");
}
// FUNCTION 2
/**
* viewOrder Function 2 format bill
*/
public void viewOrder() {
if (lo.isEmpty()) {
System.out.println("No orders.");
} else {
double total = 0;
String currentCustomer = null;
for (Order order : lo) {
if (!order.getCustomer().equals(currentCustomer)) {
if (currentCustomer != null) {
System.out.printf("|%48s|%8s|\n", "Total", total);
System.out.println("------------------------------------------------------------");
total = 0;
}
System.out.println("Customer: " + order.getCustomer());
currentCustomer = order.getCustomer();
System.out.println("------------------------------------------------------------");
System.out.printf("|%-10s|%20s|%16s|%8s|\n", "Product", "Quantity", "Price", "Amount");
}
if (order.getCustomer().equalsIgnoreCase(currentCustomer)) {
System.out.printf("|%-10s|%20s|%16s|%8s|\n", order.getFruitName(), order.getQuantity(), order.getPrice(), order.getPrice() * order.getQuantity());
total += order.getPrice() * order.getQuantity();
}
}
System.out.printf("|%48s|%8s|\n", "Total", total);
System.out.println("------------------------------------------------------------");
}
}
// public void viewOrder() {
// if (lo.isEmpty()) {
// System.out.println("There are currently no customers");
// } else {
// double total = 0;
// for (String customer : ht.keySet()) {
// System.out.println("Customer: " + customer);
// lo = ht.get(customer);
// System.out.println("------------------------------------------------------------");
// System.out.printf("|%-10s|%20s|%16s|%8s|\n", "Product", "Quantity", "Price", "Amount");
// for (Order o : lo) {
// if (o.getCustomer().equalsIgnoreCase(customer)) {
// System.out.printf("|%-10s|%20s|%16s|%8s|\n", o.getFruitName(), o.getQuantity(), o.getPrice(), o.getPrice() * o.getQuantity());
// total += o.getPrice() * o.getQuantity();
// }
//
// }
// System.out.printf("|%48s|%8s|\n", "Total", total);
// System.out.println("------------------------------------------------------------");
// total = 0;
// }
// }
// }
}
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