Feat: updated model

Updated certain aspects of the model to include listenable properties and more accuracy when calculating values.

src/main/java/edu/ntnu/idi/idatt2003/g40/mappe/engine/Exchange.java

@@ -105,13 +105,6 @@ public IntegerProperty weekProperty() {
     return week;
   }
 
-  /**
-   * Advances the week.
-   * */
-  public void nextWeek() {
-    week.set(week.get() + 1);
-  }
-
   /**
    * Method for checking whether exchange has a stock.
    *
@@ -212,8 +205,7 @@ public Transaction sell(final Share share, final Player player)
    * Method for advancing time, increasing the amount of weeks.
    * */
   public void advance() {
-    nextWeek();
-
+    week.set(week.get() + 1);
     for (Stock stock : stockMap.values()) {
       BigDecimal currentPrice = stock.getSalesPrice();
 

src/main/java/edu/ntnu/idi/idatt2003/g40/mappe/model/Player.java

@@ -4,6 +4,8 @@
 import edu.ntnu.idi.idatt2003.g40.mappe.engine.TransactionArchive;
 import edu.ntnu.idi.idatt2003.g40.mappe.utils.Validator;
 import java.math.BigDecimal;
+import javafx.beans.property.FloatProperty;
+import javafx.beans.property.SimpleFloatProperty;
 
 /**
  * Represents a player in the system.
@@ -34,6 +36,11 @@ public final class Player {
    * */
   private BigDecimal money;
 
+  /**
+   * Current net-worth of player as a listenable {@link FloatProperty} object.
+   * */
+  private final FloatProperty networthAsFloatProp = new SimpleFloatProperty(0);
+
   /**
    * The players' portfolio, holding their shares.
    * */
@@ -60,6 +67,7 @@ public Player(final String name, final BigDecimal startingMoney) throws IllegalA
     this.name = name;
     this.startingMoney = startingMoney;
     this.money = this.startingMoney;
+    this.networthAsFloatProp.setValue(this.startingMoney);
     this.portfolio = new Portfolio();
     this.transactionArchive = new TransactionArchive();
   }
@@ -107,6 +115,7 @@ public void addMoney(final BigDecimal amount) {
    */
   public void withdrawMoney(final BigDecimal amount) {
     money = money.subtract(amount);
+
   }
 
   /**
@@ -134,9 +143,16 @@ public TransactionArchive getTransactionArchive() {
    * @return the net worth of the player.
    * */
   public BigDecimal getNetWorth() {
-    BigDecimal netWorth = new BigDecimal("0");
-    netWorth = netWorth.add(portfolio.getNetWorth()).add(money);
-    return netWorth;
+    return portfolio.getNetWorth().add(money);
+  }
+
+  /**
+   * Get net-worth as a {@link FloatProperty} object, allowing listening for changes.
+   *
+   * @return FloatProperty.
+   * */
+  public FloatProperty getNetWorthAsFloatProperty() {
+    return networthAsFloatProp;
   }
 
   /**
@@ -157,13 +173,13 @@ public PlayerStatus getStatus() {
    * */
   public void handleTransaction(final Transaction transaction) {
     transactionArchive.add(transaction);
-
     if (transaction instanceof  Purchase purchase) {
       withdrawMoney(purchase.getCalculator().calculateTotal());
       portfolio.addShare(purchase.getShare());
     } else if (transaction instanceof Sale sale) {
       addMoney(sale.getCalculator().calculateTotal());
       portfolio.removeShare(sale.getShare());
     }
+    networthAsFloatProp.setValue(getNetWorth().floatValue());
   }
 }

src/main/java/edu/ntnu/idi/idatt2003/g40/mappe/model/Portfolio.java

@@ -1,5 +1,6 @@
 package edu.ntnu.idi.idatt2003.g40.mappe.model;
 
+import edu.ntnu.idi.idatt2003.g40.mappe.service.PurchaseCalculator;
 import edu.ntnu.idi.idatt2003.g40.mappe.service.SaleCalculator;
 import edu.ntnu.idi.idatt2003.g40.mappe.utils.Validator;
 
@@ -117,9 +118,8 @@ public BigDecimal getNetWorth() {
     BigDecimal netWorth = new BigDecimal("0");
 
     for (Share s : shares) {
-      SaleCalculator calculator = new SaleCalculator(s);
 
-      netWorth = netWorth.add(calculator.calculateTotal());
+      netWorth = netWorth.add(s.getStock().getSalesPrice().multiply(s.getQuantity()));
     }
     return netWorth;
   }