info-java/Technikladen/OrderSystem.java

import java.util.ArrayList;

public class OrderSystem {
	private StorageManager systemManager;
	private ArrayList<Client> systemClients;
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	public OrderSystem(StorageManager manager) {
		this.systemManager = manager;
		this.systemClients = new ArrayList<Client>();
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	public OrderSystem(StorageManager manager, ArrayList<Client> clients) {
		this.systemManager = manager;
		this.systemClients = clients;
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	}
	public void addProduct(Product product) {
		this.systemManager.addProduct(product);
	}
	public void addClient(Client client) {
		this.systemClients.add(client);
	}
	public Client getClientByID(int id) {
		for (Client client : this.systemClients) {
			if (client.getID() == id) {
				return client;
			}
		}
		return new Client("", "");
	}
	public void createOrder(int id, Order order) {
		this.getClientByID(id).addOrder(order);
	}
	public ArrayList<Client> getClients() {
		return this.systemClients;
	}
	public Product getProductByID(int id) {
		for (Product product : this.systemManager.getStorage()) {
			if (product.getID() == id) {
				return product;
			}
		}
		return new Product(-1, "", 0, 0);
	}
	public StorageManager getManager() {
		return this.systemManager;
	}
	public void showClients() {
		for (Client client : this.systemClients) {
			System.out.println(client.toString());
		}
	}
	public void showProducts() {
		if (this.systemManager.getStorage().isEmpty()) {
			System.out.println("No products exist");
			return;
		}
		for (Product product : this.systemManager.getStorage()) {
			System.out.println("ID: " + product.getID() + ", Name: " + product.getName() + ", Price: " + product.getPrice() + ", Amount: " + product.getAmount());
		}
	}
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}
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}
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