Feat: Added fortune to stock

Fortune double value represents how "lucky" that stock will be in the next week. Setter and getter method for value. Also added compatibilty with exchange advance week method.
Team-40-IDATT2003 · May 24, 2026 · 62f07d2 · 62f07d2
1 parent bfb3228
commit 62f07d2
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Showing 2 changed files with 32 additions and 2 deletions.
diff --git a/src/main/java/edu/ntnu/idi/idatt2003/g40/mappe/engine/Exchange.java b/src/main/java/edu/ntnu/idi/idatt2003/g40/mappe/engine/Exchange.java
@@ -208,7 +208,9 @@ public Transaction sell(final Share share, final Player player)
    *
    * @throws IllegalArgumentException if any parameter is null, or if player does not have enough shares.
    * */
-  public List<Transaction> sell(BigDecimal amount, final String stockSymbol, final Player player)
+  public List<Transaction> sell(BigDecimal amount,
+                                final String stockSymbol,
+                                final Player player)
           throws IllegalArgumentException {
     if (amount == null || player == null || !Validator.NOT_EMPTY.isValid(stockSymbol)) {
       throw new IllegalArgumentException("Invalid sell!");
@@ -253,7 +255,8 @@ public void advance() {
     for (Stock stock : stockMap.values()) {
       BigDecimal currentPrice = stock.getSalesPrice();
 
-      double change = (random.nextDouble() * 0.10) - 0.05;
+      double change = ((random.nextDouble() * 0.10) - 0.05) + stock.getFortune();
+      stock.setFortune(0);
       BigDecimal factor = BigDecimal.valueOf(1 + change);
 
       BigDecimal newPrice = currentPrice.multiply(factor);

diff --git a/src/main/java/edu/ntnu/idi/idatt2003/g40/mappe/model/Stock.java b/src/main/java/edu/ntnu/idi/idatt2003/g40/mappe/model/Stock.java
@@ -26,6 +26,14 @@ public final class Stock {
    * */
   private final List<BigDecimal> prices = new ArrayList<>();
 
+  /**
+   * Value indicating this stocks fortune.
+   *
+   * <p>Higher fortune yields a higher
+   * increase when stock market changes price.</p>
+   * */
+  private double fortune;
+
   /**
    * Creates a new {@code Stock} with an initial sales price.
    *
@@ -42,10 +50,29 @@ public Stock(final String symbol,
     } else {
       this.symbol = symbol;
       this.company = company;
+      this.fortune = 0;
       prices.add(salesPrice);
     }
   }
 
+  /**
+   * Setter method for fortune.
+   *
+   * @param newFortune the new value to set this stocks' fortune.
+   * */
+  public void setFortune(final double newFortune) {
+    fortune = newFortune;
+  }
+
+  /**
+   * Getter method for fortune.
+   *
+   * @return fortune.
+   * */
+  public double getFortune() {
+    return fortune;
+  }
+
   /**
    * Returns the stock symbol.
    *