JavaBasicsLab Session 4 Homework - DONE

src/JavaBasicsLab/S04_05/Homework/CashRegister.java

@@ -27,11 +27,15 @@ public void setCurrency(String currency) {
  this.currency = currency;
  }
 
- public double getAvailableAmount() {
+ protected double getAvailableAmount() {
  return availableAmount;
  }
 
- public void sellShopItems() {
- //TODO
+ protected void creditAvailableAmount(double amount) {
+ this.availableAmount += amount;
+ }
+
+ public void debitAvailableAmount(double amount) {
+ this.availableAmount -= amount;
  }
 }

src/JavaBasicsLab/S04_05/Homework/Inventory.java

@@ -6,7 +6,7 @@
 
 public class Inventory {
  private String name;
- private Map<ShopItem, Integer> stock = new LinkedHashMap<>();
+ protected Map<ShopItem, Integer> stock = new LinkedHashMap<>();
 
  public String getName() {
  return name;
@@ -18,6 +18,7 @@ public void setName(String name) {
 
  public Inventory(String name) {
  this.name = name;
+
  }
 
  public void addToStock(ShopItem si, int amount) {
@@ -48,7 +49,7 @@ public void removeFromStock(ShopItem si, int amount){
 
 
  public void purgeFromStock(ShopItem si){
- if(isInStock(si) && areYouSureValidation("PURGE", si)) {
+ if(isInStock(si) ){ //&& areYouSureValidation("PURGE", si)) {
  stock.remove(si);
  } else {
  System.out.println("Shop Item not in stock.");

src/JavaBasicsLab/S04_05/Homework/Main.java

@@ -8,11 +8,14 @@ public static void main(String[] args) {
  ShopItem zahar = new ShopItem("Ingrediente", "Zahar", "I-001", 4.00);
 
  Inventory magazin1 = new Inventory("Magazin 1");
+ CashRegister tillMagazin1 = new CashRegister("mag1-till1", "RON", 10000);
+ ShoppingCart cos = new ShoppingCart("cos", magazin1, tillMagazin1);
+
  magazin1.addToStock(ouaDeGaina, 30);
  magazin1.addToStock(ouaDePrepelita, -3);
  magazin1.addToStock(ouaDePrepelita, 6);
  magazin1.printStock();
- magazin1.purgeFromStock(ouaDePrepelita);
+ //magazin1.purgeFromStock(ouaDePrepelita);
  magazin1.addToStock(carneDeVita, 10);
  magazin1.addToStock(zahar, 23);
  System.out.println(magazin1.isInStock(ouaDePrepelita));
@@ -22,5 +25,17 @@ public static void main(String[] args) {
  magazin1.removeFromStock(zahar, 46);
  magazin1.printStock();
  magazin1.removeFromStock(zahar, 2);
+
+
+ cos.addToStock(ouaDeGaina, 300);
+ System.out.println(cos.returnTotalPrice());
+ cos.buyShoppingCart();
+
+ System.out.println("Cos:");
+ cos.printStock();
+
+ System.out.println("Magazin:");
+ magazin1.printStock();
+ System.out.println(tillMagazin1.getAvailableAmount());
  }
 }

src/JavaBasicsLab/S04_05/Homework/ShoppingCart.java

@@ -1,17 +1,34 @@
 package JavaBasicsLab.S04_05.Homework;
 
+import java.util.Map;
+
 public class ShoppingCart extends Inventory {
+ private Inventory inventory;
+ private CashRegister cashRegister;
 
- public ShoppingCart(String name) {
+ public ShoppingCart(String name, Inventory inventory, CashRegister cashRegister) {
  super(name);
+ this.inventory = inventory;
+ this.cashRegister = cashRegister;
  }
 
  public double returnTotalPrice(){
- //TODO
- return 0;
+ double pretTotal = 0;
+ for (Map.Entry<ShopItem, Integer> entry : stock.entrySet()) {
+ pretTotal += entry.getKey().getPrice() * entry.getValue();
+ }
+ return pretTotal;
  }
 
  public void buyShoppingCart(){
- //TODO
+ for (Map.Entry<ShopItem, Integer> entry : stock.entrySet()) {
+ if (inventory.isInStock(entry.getKey())){
+ inventory.removeFromStock(entry.getKey(), entry.getValue());
+ if (!(inventory.stock.get(entry.getKey()) < entry.getValue())){
+ cashRegister.creditAvailableAmount(entry.getKey().getPrice() * entry.getValue());
+ inventory.purgeFromStock(entry.getKey());
+ }
+ }
+ }
  }
 }