Refactored packagestructure

created PurchaseCalculator
Created SaleCalculator

src/main/java/Portfolio.java → src/main/java/temppackage/Portfolio.java

@@ -1,3 +1,5 @@
+package temppackage;
+
 import java.util.ArrayList;
 import java.util.List;
 

src/main/java/Share.java → src/main/java/temppackage/Share.java

@@ -1,3 +1,5 @@
+package temppackage;
+
 import java.math.BigDecimal;
 
 public class Share {

src/main/java/Stock.java → src/main/java/temppackage/Stock.java

@@ -1,3 +1,5 @@
+package temppackage;
+
 import java.math.BigDecimal;
 import java.util.List;
 

src/main/java/temppackage/calculators/PurchaseCalculator.java

@@ -0,0 +1,31 @@
+package temppackage.calculators;
+
+import temppackage.Share;
+
+import java.math.BigDecimal;
+
+public class PurchaseCalculator implements TransactionCalculator {
+  BigDecimal purchasePrice;
+  BigDecimal quantity;
+  public PurchaseCalculator(Share share) {
+    super();
+    this.purchasePrice = share.getPurchasePrice();
+    this.quantity = share.getQuantity();
+  }
+  @Override
+  public BigDecimal calculateGross() {
+    return this.purchasePrice.multiply(this.quantity);
+  }
+  @Override
+  public BigDecimal calculateComission() {
+    return this.calculateGross().multiply(new BigDecimal("0.05"));
+  }
+  @Override
+  public BigDecimal calculateTax() {
+    return new BigDecimal("0");
+  }
+  @Override
+  public BigDecimal calculateTotal() {
+    return this.calculateGross().add(this.calculateTax().add(this.calculateComission())) ;
+  }
+}

src/main/java/temppackage/calculators/SaleCalculator.java

@@ -0,0 +1,14 @@
+package temppackage.calculators;
+
+import java.math.BigDecimal;
+import temppackage.Share;
+
+public class SaleCalculator {
+  BigDecimal purchasePrice;
+  BigDecimal salesPrice;
+  BigDecimal quantity;
+  public SaleCalculator(Share share) {
+    super();
+    this.purchasePrice = share.getPurchasePrice();
+  }
+}

src/main/java/calculators/TransactionCalculator.java → src/main/java/temppackage/calculators/TransactionCalculator.java

@@ -1,4 +1,4 @@
-package calculators;
+package temppackage.calculators;
 
 import java.math.BigDecimal;