From 20e38b5789389c93bde32d7b1b004f0747c29d04 Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <eli.berg296@gmail.com>
Date: Fri, 13 Feb 2026 12:30:25 +0100
Subject: [PATCH 01/26] Test Commit 2

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 2cae075..40c323f 100644
--- a/README.md
+++ b/README.md
@@ -1 +1 @@
-Branch test
\ No newline at end of file
+Branch test 2
\ No newline at end of file

From a73f9e872189326ea8f3fcce623164896e146977 Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Fri, 13 Feb 2026 12:33:36 +0100
Subject: [PATCH 02/26] test 2

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 40c323f..2cae075 100644
--- a/README.md
+++ b/README.md
@@ -1 +1 @@
-Branch test 2
\ No newline at end of file
+Branch test
\ No newline at end of file

From c5abc6684dc8f0ead2ee62cfc513fc78ae6c84e9 Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Fri, 13 Feb 2026 12:36:49 +0100
Subject: [PATCH 03/26] test 3

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 2cae075..a20c7a6 100644
--- a/README.md
+++ b/README.md
@@ -1 +1 @@
-Branch test
\ No newline at end of file
+Branch test 3
\ No newline at end of file

From 0ec9bd598673aaa59cadf88b29a4066e48013375 Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Fri, 20 Feb 2026 12:52:46 +0100
Subject: [PATCH 04/26] Add TransactionCalculator interface

---
 src/main/java/TransactionCalculator.java | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 src/main/java/TransactionCalculator.java

diff --git a/src/main/java/TransactionCalculator.java b/src/main/java/TransactionCalculator.java
new file mode 100644
index 0000000..dd17eef
--- /dev/null
+++ b/src/main/java/TransactionCalculator.java
@@ -0,0 +1,9 @@
+import java.math.BigDecimal;
+
+public interface TransactionCalculator {
+    // Methods in interface is automatically public abstract.
+    BigDecimal calculateGross();
+    BigDecimal calculateCommission();
+    BigDecimal calculateTax();
+    BigDecimal calculateTotal();
+}

From bc38441427d8288997764244a0e42c92f5364c91 Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Tue, 24 Feb 2026 21:20:38 +0100
Subject: [PATCH 05/26] Added Stock class

---
 src/main/java/Stock.java   |  33 +++++++++++++++++++++++++++++++++
 target/classes/Stock.class | Bin 0 -> 1218 bytes
 2 files changed, 33 insertions(+)
 create mode 100644 src/main/java/Stock.java
 create mode 100644 target/classes/Stock.class

diff --git a/src/main/java/Stock.java b/src/main/java/Stock.java
new file mode 100644
index 0000000..e650b01
--- /dev/null
+++ b/src/main/java/Stock.java
@@ -0,0 +1,33 @@
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Stock {
+
+    private final String symbol;
+    private final String company;
+    private final List<BigDecimal> prices;
+
+    public Stock(String symbol, String company, BigDecimal salesPrice) {
+        this.symbol = symbol;
+        this.company = company;
+        this.prices = new ArrayList<>();
+        this.prices.add(salesPrice);
+    }
+
+    public String getSymbol() {
+        return symbol;
+    }
+
+    public String getCompany() {
+        return company;
+    }
+
+    public BigDecimal getSalesPrice() {
+        return prices.get(prices.size() - 1);
+    }
+    
+    public void addNewSalesPrice(BigDecimal price) {
+        prices.add(price);
+    }
+}
diff --git a/target/classes/Stock.class b/target/classes/Stock.class
new file mode 100644
index 0000000000000000000000000000000000000000..af494f4215bc73624297cdcbbb3c93061ab355e4
GIT binary patch
literal 1218
zcmZuvYflqF6g{(jtds?6sig%KP|<dI)c31E!XqXm4Vu(o^xJg1DTCXVY_}Tx=0DOz
zLeRwc*&k)Rce+5cv`KgF%suzax#!N`e?NZ%SVP5xA&{sA9p|HoxIp?qev)NRwwvYG
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b(z#h0$DHQL^|9xES$Iy~uoo|g!@$e`wR`K2

literal 0
HcmV?d00001


From ce3580d4fdc04e605c8ecd2cfb5a7a89cea3b8f0 Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Tue, 24 Feb 2026 21:24:15 +0100
Subject: [PATCH 06/26] Added Share class

---
 src/main/java/Share.java   |  27 +++++++++++++++++++++++++++
 target/classes/Share.class | Bin 0 -> 748 bytes
 2 files changed, 27 insertions(+)
 create mode 100644 src/main/java/Share.java
 create mode 100644 target/classes/Share.class

diff --git a/src/main/java/Share.java b/src/main/java/Share.java
new file mode 100644
index 0000000..0ab76b5
--- /dev/null
+++ b/src/main/java/Share.java
@@ -0,0 +1,27 @@
+import java.math.BigDecimal;
+
+public class Share {
+
+    private final Stock stock;
+    private final BigDecimal quantity;
+    private final BigDecimal purchasePrice;
+
+    public Share(Stock stock, BigDecimal quantity, BigDecimal purchasePrice) {
+        this.stock = stock;
+        this.quantity = quantity;
+        this.purchasePrice = purchasePrice;
+    }
+
+    public Stock getStock() {
+        return stock;
+    }
+
+    public BigDecimal getQuantity() {
+        return quantity;
+    }
+
+    public BigDecimal getPurchasePrice() {
+        return purchasePrice;
+    }
+    
+}
diff --git a/target/classes/Share.class b/target/classes/Share.class
new file mode 100644
index 0000000000000000000000000000000000000000..9e7f4f908924e472e13aa53e2eed739502c26f0f
GIT binary patch
literal 748
zcmZ`$$xZ@65Pi)I+c?NLBH}JL7#D6{Tn=hH5tm@NH)97H2hd?K@vk(In0W95{3v5}
zLyVg7(*5dny{dZEAD?gU01i=3Bf*etba*JzFd3XKf8e!%_uI9LR#*5Dy$+*+f6I`r
zHx$@s$lQ;3Ka$ZSL$R&}Jsx#x$FhAYeA(jx<>c;0q2J*{aT!WqFr*G-Uq(j^dzERO
zcx60WZ8DfAgBxMNz^n}mc?P3WZDzqRXCsM}Li0A#$SAa6BZ~|}zApRXeAH`+@S3**
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u3!EnclU6BBI=ZwyNtl*qSj8GKYV4n4_pi7RD_)Nk7ygP%vEmIq-{u!HEPSH?

literal 0
HcmV?d00001


From 99d7fc9f905fc4d30f52f197498d6f0e1f1d472b Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Tue, 24 Feb 2026 21:25:23 +0100
Subject: [PATCH 07/26] Added Portfolio class

---
 src/main/java/Portfolio.java   |  38 +++++++++++++++++++++++++++++++++
 target/classes/Portfolio.class | Bin 0 -> 1631 bytes
 2 files changed, 38 insertions(+)
 create mode 100644 src/main/java/Portfolio.java
 create mode 100644 target/classes/Portfolio.class

diff --git a/src/main/java/Portfolio.java b/src/main/java/Portfolio.java
new file mode 100644
index 0000000..a25561f
--- /dev/null
+++ b/src/main/java/Portfolio.java
@@ -0,0 +1,38 @@
+import java.util.ArrayList;
+import java.util.List;
+
+public class Portfolio {
+
+    private final List<Share> shares;
+
+    public Portfolio() {
+        this.shares = new ArrayList<>();
+    }
+
+    public boolean addShare(Share share) {
+        return shares.add(share);
+    }
+
+    public boolean removeShare(Share share) {
+        return shares.remove(share);
+    }
+
+    public List<Share> getShares() {
+        return new ArrayList<>(shares);
+    }
+
+    public List<Share> getShares(String symbol) {
+        List<Share> result = new ArrayList<>();
+        for (Share share : shares) {
+            if (share.getStock().getSymbol().equals(symbol)) {
+                result.add(share);
+            }
+        }
+        return result;
+    }
+
+    public boolean contains(Share share) {
+        return shares.contains(share);
+    }
+    
+}
diff --git a/target/classes/Portfolio.class b/target/classes/Portfolio.class
new file mode 100644
index 0000000000000000000000000000000000000000..2dc14922577b214c461130e0a35c7f4139d42aae
GIT binary patch
literal 1631
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literal 0
HcmV?d00001


From 233303b9f86a1f941bd2536928a2f27bd151b8c2 Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Tue, 24 Feb 2026 21:26:37 +0100
Subject: [PATCH 08/26] Added Exchange class

---
 src/main/java/Exchange.java   |  86 ++++++++++++++++++++++++++++++++++
 target/classes/Exchange.class | Bin 0 -> 3108 bytes
 2 files changed, 86 insertions(+)
 create mode 100644 src/main/java/Exchange.java
 create mode 100644 target/classes/Exchange.class

diff --git a/src/main/java/Exchange.java b/src/main/java/Exchange.java
new file mode 100644
index 0000000..9c60de4
--- /dev/null
+++ b/src/main/java/Exchange.java
@@ -0,0 +1,86 @@
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+
+public class Exchange {
+
+    private final String name;
+    private int week;
+    private final Map<String, Stock> stockMap;
+    private final Random random;
+
+    public Exchange(String name, List<Stock> stocks) {
+        this.name = name;
+        this.week = 1;
+        this.stockMap = new HashMap<>();
+        this.random = new Random();
+
+        for (Stock stock : stocks) {
+            stockMap.put(stock.getSymbol(), stock);
+        }
+
+    }
+    
+    public String getName() {
+        return name;
+    }
+
+    public int getWeek() {
+        return week;
+    }
+
+    public boolean hasStock(String symbol) {
+        return stockMap.containsKey(symbol);
+    }
+
+    public Stock getStock(String symbol) {
+        return stockMap.get(symbol);
+    }
+
+    public List<Stock> findStocks(String searchTerm) {
+            List<Stock> result = new ArrayList<>();
+
+        for (Stock stock : stockMap.values()) {
+            if (stock.getSymbol().contains(searchTerm)
+                    || stock.getCompany().contains(searchTerm)) {
+                result.add(stock);
+            }
+        }
+
+        return result;
+        }
+
+    // public Transaction buy(String symbol, BigDecimal quantity, Player player) {
+    //     return;
+    // }
+
+    // public Transaction sell(Share share, Player player) {
+    //     return;
+    // }
+
+    public void advance() {
+        
+        week++;
+
+        for (Stock stock : stockMap.values()) { // henter stock-objektene
+
+            BigDecimal currentPrice = stock.getSalesPrice(); // henter siste pris fra Stock
+
+            double changePercent = (random.nextDouble() - 0.5) * 0.1; 
+
+            BigDecimal change = currentPrice.multiply(BigDecimal.valueOf(changePercent)); 
+
+            BigDecimal newPrice = currentPrice.add(change); 
+
+            if (newPrice.compareTo(BigDecimal.ZERO) > 0) { // unngå negativ pris
+                stock.addNewSalesPrice(newPrice);
+            }
+        }
+    }
+
+
+
+}
diff --git a/target/classes/Exchange.class b/target/classes/Exchange.class
new file mode 100644
index 0000000000000000000000000000000000000000..1a55e6d7d62f120e9e1d96e74949362b515e4d4e
GIT binary patch
literal 3108
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z?+`x46{2?0f1lxV*3?IHT;rUV7?t>fBTYG}S~_V5-16>F4E;${3Vg{#T=?p5cTKUi

literal 0
HcmV?d00001


From cca567e4c0e185ae16c78ec42ba8f7864ab8da61 Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Wed, 25 Feb 2026 07:35:46 +0100
Subject: [PATCH 09/26] Add PurchaseCalculator

---
 src/main/java/PurchaseCalculator.java | 29 +++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 src/main/java/PurchaseCalculator.java

diff --git a/src/main/java/PurchaseCalculator.java b/src/main/java/PurchaseCalculator.java
new file mode 100644
index 0000000..0ca34cb
--- /dev/null
+++ b/src/main/java/PurchaseCalculator.java
@@ -0,0 +1,29 @@
+import java.math.BigDecimal;
+
+public class PurchaseCalculator {
+    private BigDecimal purchasePrice;
+    private BigDecimal quantity;
+    
+    public PurchaseCalculator(Share share) {
+        this.purchasePrice = share.getPurchasePrice();
+        this.quantity = share.getQuantity();
+    }
+
+    public BigDecimal calculateGross() {
+        return this.purchasePrice.multiply(this.quantity);
+    }
+
+    public BigDecimal calculateCommission() {
+        BigDecimal rate = new BigDecimal("0.005");
+        return calculateGross().multiply(rate);
+    }
+
+    public BigDecimal calculateTax() {
+        BigDecimal tax = new BigDecimal("0");
+        return tax;
+    }
+
+    public BigDecimal calculateTotal() {
+        return calculateGross().add(calculateCommission()).add(calculateTax());
+    }
+}

From d770dbe118169f2c3b91f4659aa0a62e23c2a0cc Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Wed, 25 Feb 2026 21:19:08 +0100
Subject: [PATCH 10/26] Added StockTest class

---
 target/classes/Exchange.class                 | Bin 3108 -> 3064 bytes
 target/classes/Portfolio.class                | Bin 1631 -> 1623 bytes
 target/classes/Share.class                    | Bin 748 -> 748 bytes
 target/classes/Stock.class                    | Bin 1218 -> 1218 bytes
 target/classes/TransactionCalculator.class    | Bin 0 -> 253 bytes
 .../compile/default-compile/createdFiles.lst  |   0
 .../compile/default-compile/inputFiles.lst    |   5 +++
 target/test-classes/StockTest.java            |  37 ++++++++++++++++++
 8 files changed, 42 insertions(+)
 create mode 100644 target/classes/TransactionCalculator.class
 create mode 100644 target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
 create mode 100644 target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
 create mode 100644 target/test-classes/StockTest.java

diff --git a/target/classes/Exchange.class b/target/classes/Exchange.class
index 1a55e6d7d62f120e9e1d96e74949362b515e4d4e..74e0a4f7dcb48cfdee048e185c3512e728edd816 100644
GIT binary patch
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diff --git a/target/classes/Portfolio.class b/target/classes/Portfolio.class
index 2dc14922577b214c461130e0a35c7f4139d42aae..907718848df5cf82fa84ffdc818ac326eb9313aa 100644
GIT binary patch
literal 1623
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diff --git a/target/classes/Share.class b/target/classes/Share.class
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GIT binary patch
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diff --git a/target/classes/Stock.class b/target/classes/Stock.class
index af494f4215bc73624297cdcbbb3c93061ab355e4..4d448e4ef9b5ddcb370961819c6365c485764c25 100644
GIT binary patch
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diff --git a/target/classes/TransactionCalculator.class b/target/classes/TransactionCalculator.class
new file mode 100644
index 0000000000000000000000000000000000000000..47f318a458bbba5cf97cd0faa611971485ea80ec
GIT binary patch
literal 253
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diff --git a/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
new file mode 100644
index 0000000..e69de29
diff --git a/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
new file mode 100644
index 0000000..69de3f4
--- /dev/null
+++ b/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
@@ -0,0 +1,5 @@
+C:\Users\elisa\Downloads\progdel1\Programmering2_mappe_v26\src\main\java\Exchange.java
+C:\Users\elisa\Downloads\progdel1\Programmering2_mappe_v26\src\main\java\Portfolio.java
+C:\Users\elisa\Downloads\progdel1\Programmering2_mappe_v26\src\main\java\Share.java
+C:\Users\elisa\Downloads\progdel1\Programmering2_mappe_v26\src\main\java\Stock.java
+C:\Users\elisa\Downloads\progdel1\Programmering2_mappe_v26\src\main\java\TransactionCalculator.java
diff --git a/target/test-classes/StockTest.java b/target/test-classes/StockTest.java
new file mode 100644
index 0000000..5f587f9
--- /dev/null
+++ b/target/test-classes/StockTest.java
@@ -0,0 +1,37 @@
+import static org.junit.Assert.assertEquals;
+
+import java.math.BigDecimal;
+
+import org.junit.Test;
+
+
+public class StockTest {
+
+    @Test 
+    public void testGetSalesPrice() {
+        Stock stock = new Stock("AAPL", "APPLE", new BigDecimal("1000"));
+        assertEquals(new BigDecimal("1000"), stock.getSalesPrice());
+    }
+    
+    @Test 
+    public void testAddNewSalesPrice() {
+        Stock stock = new Stock("AAPL", "APPLE", new BigDecimal("1000"));
+        stock.addNewSalesPrice(new BigDecimal("1200"));
+        assertEquals(new BigDecimal("1200"), stock.getSalesPrice());
+    }
+
+    @Test 
+    public void testGetSalesPriceNone() {
+        Stock stock = new Stock("AAPL", "APPLE", new BigDecimal("0"));
+        assertEquals(new BigDecimal("0"), stock.getSalesPrice());
+    }
+
+    @Test 
+    public void testAddNewSalesPriceNone() {
+        Stock stock = new Stock("AAPL", "APPLE", new BigDecimal("1000"));
+        stock.addNewSalesPrice(new BigDecimal("0"));
+        assertEquals(new BigDecimal("0"), stock.getSalesPrice());
+    }
+
+    
+}

From d379010fac0199b3b056d5dc1da3f65eca5ff6f9 Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Wed, 25 Feb 2026 21:38:56 +0100
Subject: [PATCH 11/26] Added ExchangeTest class

---
 target/classes/Exchange.class           | Bin 3064 -> 3108 bytes
 target/classes/Portfolio.class          | Bin 1623 -> 1631 bytes
 target/classes/PurchaseCalculator.class | Bin 0 -> 1119 bytes
 target/classes/Share.class              | Bin 748 -> 748 bytes
 target/classes/Stock.class              | Bin 1218 -> 1218 bytes
 target/test-classes/ExchangeTest.java   |  50 ++++++++++++++++++++++++
 6 files changed, 50 insertions(+)
 create mode 100644 target/classes/PurchaseCalculator.class
 create mode 100644 target/test-classes/ExchangeTest.java

diff --git a/target/classes/Exchange.class b/target/classes/Exchange.class
index 74e0a4f7dcb48cfdee048e185c3512e728edd816..1a55e6d7d62f120e9e1d96e74949362b515e4d4e 100644
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diff --git a/target/classes/PurchaseCalculator.class b/target/classes/PurchaseCalculator.class
new file mode 100644
index 0000000000000000000000000000000000000000..c50d57d26ecf38e8436e7d23e259422b041ad3ed
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diff --git a/target/classes/Share.class b/target/classes/Share.class
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GIT binary patch
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zLLi-B8mI?IvoHXyU=RV4qCj2_P&EsX7SY<yz^J9Ym4RJLXDb7*mhM&t!O6E6EsQ~i
zFoG0-jR6@g0<s)v0V9JHgEZ6_eIN}|#j3T1fqk+ola3(BaAZ;5$xT>91t;%k(ggr<
CVK8L?

diff --git a/target/classes/Stock.class b/target/classes/Stock.class
index 4d448e4ef9b5ddcb370961819c6365c485764c25..af494f4215bc73624297cdcbbb3c93061ab355e4 100644
GIT binary patch
literal 1218
zcmZuvYflqF6g{(jtds?6sig%KP|<dI)c31E!XqXm4Vu(o^xJg1DTCXVY_}Tx=0DOz
zLeRwc*&k)Rce+5cv`KgF%suzax#!N`e?NZ%SVP5xA&{sA9p|HoxIp?qev)NRwwvYG
z^#j)l1d`pOR=wj1WU3d*THvd8vm#(Roz|gj9}(`*SB~2yjy|pzD6d>q-GERdHPvj(
zpy#^+#YlR!zi-K4zr3lM+peQp(yOdfS#njiRj@9w78Yq?;oX<j3@0k>3B<QL4L5}t
z(iSXS6^Io}dm|8-w2(lOqiYsSBuz}wq3%=b-|&5T#7(4-Lz;2Z7Or4q6xVUn#0`P*
z3ozp>%wmrCWurlygR=X6R!ScPCaS9K?)F-B*MBSP9+{G<b{y&LNni0kJd6kXiu^RI
zdOqYwsw+LW`-XiM$PI6o%x=0tEu2}lSi0;J5fNnTY;a?YA0W=3)kH_aO)pzmL75!w
zsxKsheB9yV2NoXU5$%bK``#J6HtgKQ6M?L@E5b}~hWy%fKM%?%gyu!C6`p58zcuQk
z*6I0<`%1BgDQ(jVUx0a<RE(Z@3>h9UMHwEiUTJ)kO;K!Ml(K@J#29_Y>EtU_#A#iy
zPcUIG9wTEf9V2W1Lhk(u^2aFHKTudc#f*V>-!;WNeWx|`D3w}7K1NjIC}0A2kj5>_
z+kH~prW5`xXi-8(EX&Z*0`AiF0{2i1<&<e<RDy2Je51gi&OilxIH{?vJ|LtPC=D&n
zMvJG07TZ`PIyPccD*^J{FaJ-mL{o2^;=X}DcpT-M8Q{yGi+PG?A>TGh=PoVgT8#Ra
b(z#h0$DHQL^|9xES$Iy~uoo|g!@$e`wR`K2

literal 1218
zcmZuxX-^YT6g_XcjBTfYElU9xP|$W*>b@0B1Y$zcph*ozzr9W;<zW{xooeu#|40)F
zK@;O=f0XgwHzSNAX*zG2bI(2Z+}r;8{p|;Ub=0yjkT8+7kV0BuY+t^Y)sF17t1p`S
zuHy@&*HlmWPX!X?%5DZ1kTH?9kb@<VYWRKU9bpEC-DbZdP^g~~G<;9>+BFUtu`tSb
z)9H5)Wbe?#MS-G*4t>?BKJz?zSXTo-i!mfPV%)+6CW-mLQ;s_zWdXB>GqRRL3DYKK
zEX?APz{nXJzb3h|)e@K}M-&Am)hcf}_KJn8m=j12)JIoWx6RkrEL_I|o!c&vOq91P
z{}Y(FAuz5JcBQ{p-B9f<*HK+b4rCgt-IM;%BhE1QsphqSDi%|FS`%20>I|KWB>v|n
z9$(p|DmMEq$~anAJ$Gl=ZMxno+3e6wq2707XIFZP&*5d#-&5qNS=are^x1*zxPzDM
zwZP>0GO0H5q!D&{yc{(q)JH@F*$kR2kY{{^xb!zBUIDe2y0zneh@z)MOX6TIH>Jmd
z(lz=+&vBnCE;XyGS>?W9o@U6P5l^7Nqe{C1kDy*@upn@g_6Eu{_e6&ZJ#D)AL=j0^
z7wuyRd+7+Ky?lhc{T*X(j!`&5(f*3!$_b_ny#AsomgqTyG(B?^Y9WI>M(8t52^VOd
zm+6fikYWX^bRv2!O6VQSVyTO$;ufVBxQ#oZoGPu1N>NtxGi?lTy0pG5YHBM0gwz6e
z&kfGUgQw07zK8on$3|>uB|wSm<?jhD)0nkRFmK=|7UO)g5x&x?m<M<m@@<iHuF_(z
grMQ3mHw5}U<}jyuCIjrLUltybH|)h@!Wnq-2Yz<!%K!iX

diff --git a/target/test-classes/ExchangeTest.java b/target/test-classes/ExchangeTest.java
new file mode 100644
index 0000000..d3bcd62
--- /dev/null
+++ b/target/test-classes/ExchangeTest.java
@@ -0,0 +1,50 @@
+import static org.junit.Assert.assertEquals;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.Before;
+import org.junit.Test;
+
+public class ExchangeTest {
+
+    private Exchange exchange;
+    private Stock apple;
+    private Stock google;
+
+    @Before
+    public void setUp() {
+        apple = new Stock("AAPL", "Apple", new BigDecimal("100"));
+        google = new Stock("GOOGL", "Google", new BigDecimal("200"));
+
+        List<Stock> stocks = new ArrayList<>();
+        stocks.add(apple);
+        stocks.add(google);
+
+        exchange = new Exchange("ABC", stocks);
+    }
+
+    @Test
+    public void testFindStocksBySymbol() {
+        List<Stock> result = exchange.findStocks("AAPL");
+
+        assertEquals(1, result.size());
+        assertEquals("AAPL", result.get(0).getSymbol());
+    }
+
+    @Test
+    public void testFindStocksByCompanyNames() {
+        List<Stock> result = exchange.findStocks("e");
+
+        assertEquals(2, result.size());
+    }
+
+    @Test
+    public void testFindStocksNotInList() {
+        List<Stock> result = exchange.findStocks("Samsung");
+
+        assertEquals(0, result.size());
+    }
+    
+}

From e6e8a1064d8e7ac68d1016704200be6317b6b2ad Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Thu, 26 Feb 2026 20:47:20 +0100
Subject: [PATCH 12/26] Add SaleCalculator

---
 src/main/java/SaleCalculator.java | 37 +++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/main/java/SaleCalculator.java

diff --git a/src/main/java/SaleCalculator.java b/src/main/java/SaleCalculator.java
new file mode 100644
index 0000000..d1f9592
--- /dev/null
+++ b/src/main/java/SaleCalculator.java
@@ -0,0 +1,37 @@
+import java.math.BigDecimal;
+import java.util.Formatter.BigDecimalLayoutForm;
+
+public class SaleCalculator {
+    private BigDecimal purchasePrice;
+    private BigDecimal salesPrice;
+    private BigDecimal quantity;
+
+    public SaleCalculator(Share share) {
+        this.purchasePrice = share.getPurchasePrice();
+        this.salesPrice = salesPrice; // Ask about this one...
+        this.quantity = share.getQuantity();
+    }
+
+    public BigDecimal calculateGross() {
+        return this.salesPrice.multiply(this.quantity);
+    }
+
+    public BigDecimal calculateCommission() {
+        BigDecimal rate = new BigDecimal("0.01");
+        return calculateGross().multiply(rate);
+    }
+
+    public BigDecimal calculateTax() {
+        BigDecimal sellingCost = this.purchasePrice.multiply(this.quantity);
+        BigDecimal profit = calculateGross().subtract(calculateCommission()).subtract(sellingCost);
+        BigDecimal rate = new BigDecimal("0.3");
+        return profit.multiply(rate);
+    }
+
+    public BigDecimal calculateTotal() {
+        return calculateGross().subtract(calculateCommission()).subtract(calculateTax());
+    }
+    
+
+
+}

From a6df2313f0263086e7cf3147f20640eaeb1c4c5c Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Thu, 26 Feb 2026 20:52:24 +0100
Subject: [PATCH 13/26] Ignore build files

---
 .gitignore | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2f7896d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+target/

From 214ea962eed91015274218ca742932d9270c551e Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Fri, 27 Feb 2026 15:48:17 +0100
Subject: [PATCH 14/26] Uses salesPrice from the share object

---
 src/main/java/SaleCalculator.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/main/java/SaleCalculator.java b/src/main/java/SaleCalculator.java
index d1f9592..476ed1f 100644
--- a/src/main/java/SaleCalculator.java
+++ b/src/main/java/SaleCalculator.java
@@ -1,5 +1,4 @@
 import java.math.BigDecimal;
-import java.util.Formatter.BigDecimalLayoutForm;
 
 public class SaleCalculator {
     private BigDecimal purchasePrice;
@@ -8,7 +7,7 @@ public class SaleCalculator {
 
     public SaleCalculator(Share share) {
         this.purchasePrice = share.getPurchasePrice();
-        this.salesPrice = salesPrice; // Ask about this one...
+        this.salesPrice = share.getStock().getSalesPrice(); 
         this.quantity = share.getQuantity();
     }
 

From 7df9db20b0ab36ba278c1e2f0b7944593cf644bd Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Fri, 27 Feb 2026 16:03:46 +0100
Subject: [PATCH 15/26] PurchaseCalculator and SalaCalculator implements
 TransactionCalculator

---
 src/main/java/PurchaseCalculator.java    | 2 +-
 src/main/java/SaleCalculator.java        | 2 +-
 src/main/java/TransactionCalculator.java | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/java/PurchaseCalculator.java b/src/main/java/PurchaseCalculator.java
index 0ca34cb..78f8e90 100644
--- a/src/main/java/PurchaseCalculator.java
+++ b/src/main/java/PurchaseCalculator.java
@@ -1,6 +1,6 @@
 import java.math.BigDecimal;
 
-public class PurchaseCalculator {
+public class PurchaseCalculator implements TransactionCalculator {
     private BigDecimal purchasePrice;
     private BigDecimal quantity;
     
diff --git a/src/main/java/SaleCalculator.java b/src/main/java/SaleCalculator.java
index 476ed1f..f868729 100644
--- a/src/main/java/SaleCalculator.java
+++ b/src/main/java/SaleCalculator.java
@@ -1,6 +1,6 @@
 import java.math.BigDecimal;
 
-public class SaleCalculator {
+public class SaleCalculator implements TransactionCalculator{
     private BigDecimal purchasePrice;
     private BigDecimal salesPrice;
     private BigDecimal quantity;
diff --git a/src/main/java/TransactionCalculator.java b/src/main/java/TransactionCalculator.java
index dd17eef..0bafc6e 100644
--- a/src/main/java/TransactionCalculator.java
+++ b/src/main/java/TransactionCalculator.java
@@ -7,3 +7,4 @@ public interface TransactionCalculator {
     BigDecimal calculateTax();
     BigDecimal calculateTotal();
 }
+

From ffe1266d6d25c002114428ee30a2f8f271460d30 Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Sat, 28 Feb 2026 11:17:08 +0100
Subject: [PATCH 16/26] Add Transaction

---
 src/main/java/Transaction.java | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/main/java/Transaction.java

diff --git a/src/main/java/Transaction.java b/src/main/java/Transaction.java
new file mode 100644
index 0000000..18d07ed
--- /dev/null
+++ b/src/main/java/Transaction.java
@@ -0,0 +1,31 @@
+public abstract class Transaction {
+    private Share share;
+    private int week;
+    private TransactionCalculator calculator;
+    protected boolean committed;
+
+    protected Transaction(Share share, int week, TransactionCalculator calculator) {
+        this.share = share;
+        this.week = week;
+        this.calculator = calculator;
+    }
+
+    public Share getShare() {
+        return this.share;
+    }
+
+    public int getWeek() {
+        return this.week;
+    }
+
+    public TransactionCalculator getCalculator() {
+        return this.calculator;
+    }
+
+    public boolean isCommitted() {
+        return this.committed;
+    }
+
+    public abstract void commit(Player player);
+    
+}

From 32b5cb70cbf5b56335ff1118db3f38b1b52fbb35 Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Sat, 28 Feb 2026 11:18:35 +0100
Subject: [PATCH 17/26] Add Player

---
 src/main/java/Player.java | 43 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 src/main/java/Player.java

diff --git a/src/main/java/Player.java b/src/main/java/Player.java
new file mode 100644
index 0000000..e94241c
--- /dev/null
+++ b/src/main/java/Player.java
@@ -0,0 +1,43 @@
+import java.math.BigDecimal;
+
+public class Player {
+    private String name;
+    private BigDecimal startingMoney;
+    private BigDecimal money;
+    private Portfolio portfolio;
+    private TransactionArchive transactionArchive;
+
+    public Player(String name, BigDecimal startingMoney) {
+        this.name = name;
+        this.startingMoney = startingMoney;
+        this.money = startingMoney;
+        this.portfolio = new Portfolio();
+        this.transactionArchive = new TransactionArchive();
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public BigDecimal getMoney() {
+        return this.money;
+    }
+
+    public void addMoney(BigDecimal amount) {
+        this.money.add(amount);
+    }
+
+    public void withdrawMoney(BigDecimal amount) {
+        this.money.subtract(amount);
+    }
+
+    public Portfolio getPortfolio() {
+        return this.portfolio;
+    }
+
+    public TransactionArchive getTransactionArchive() {
+        return this.transactionArchive;
+    }
+
+
+}

From 2aa2af0f7e67caad275f478550046bb2fdfc33dd Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Tue, 10 Mar 2026 19:30:55 +0100
Subject: [PATCH 18/26] Added PortfolioTest class

---
 src/test/java/PortfolioTest.java | 37 ++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/test/java/PortfolioTest.java

diff --git a/src/test/java/PortfolioTest.java b/src/test/java/PortfolioTest.java
new file mode 100644
index 0000000..57ecb47
--- /dev/null
+++ b/src/test/java/PortfolioTest.java
@@ -0,0 +1,37 @@
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+import java.math.BigDecimal;
+
+public class PortfolioTest {
+
+    @Test
+    void testAddShare() {
+        Portfolio portfolio = new Portfolio();
+
+        Stock stock = new Stock("AAPL", "Apple", new BigDecimal("150"));
+        Share share = new Share(stock, new BigDecimal("10"), new BigDecimal("140"));
+
+        boolean result = portfolio.addShare(share);
+
+        assertTrue(result);
+        assertTrue(portfolio.contains(share));
+    }
+
+    @Test
+    void testRemoveShare() {
+        Portfolio portfolio = new Portfolio();
+
+        Stock stock = new Stock("AAPL", "Apple", new BigDecimal("150"));
+        Share share = new Share(stock, new BigDecimal("10"), new BigDecimal("140"));
+
+        portfolio.addShare(share);
+
+        boolean result = portfolio.removeShare(share);
+
+        assertTrue(result);
+        assertFalse(portfolio.contains(share));
+    }
+
+    
+}

From 6baafb4324dc45c198d4974835ec6c37fcd3f579 Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Tue, 10 Mar 2026 19:32:38 +0100
Subject: [PATCH 19/26] Moved test-classes

---
 {target/test-classes => src/test/java}/ExchangeTest.java | 0
 {target/test-classes => src/test/java}/StockTest.java    | 0
 2 files changed, 0 insertions(+), 0 deletions(-)
 rename {target/test-classes => src/test/java}/ExchangeTest.java (100%)
 rename {target/test-classes => src/test/java}/StockTest.java (100%)

diff --git a/target/test-classes/ExchangeTest.java b/src/test/java/ExchangeTest.java
similarity index 100%
rename from target/test-classes/ExchangeTest.java
rename to src/test/java/ExchangeTest.java
diff --git a/target/test-classes/StockTest.java b/src/test/java/StockTest.java
similarity index 100%
rename from target/test-classes/StockTest.java
rename to src/test/java/StockTest.java

From b42502d37941ef3704f4951c3c2f1e43ebe0e892 Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Tue, 10 Mar 2026 20:06:17 +0100
Subject: [PATCH 20/26] Added more tests to PortfolioTest class

---
 src/test/java/ExchangeTest.java  |  9 +++---
 src/test/java/PortfolioTest.java | 50 ++++++++++++++++++++++++++++++--
 src/test/java/StockTest.java     |  5 ++--
 3 files changed, 54 insertions(+), 10 deletions(-)

diff --git a/src/test/java/ExchangeTest.java b/src/test/java/ExchangeTest.java
index d3bcd62..eb3ad47 100644
--- a/src/test/java/ExchangeTest.java
+++ b/src/test/java/ExchangeTest.java
@@ -1,19 +1,18 @@
-import static org.junit.Assert.assertEquals;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
 
 import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.junit.Before;
-import org.junit.Test;
-
 public class ExchangeTest {
 
     private Exchange exchange;
     private Stock apple;
     private Stock google;
 
-    @Before
+    @BeforeAll
     public void setUp() {
         apple = new Stock("AAPL", "Apple", new BigDecimal("100"));
         google = new Stock("GOOGL", "Google", new BigDecimal("200"));
diff --git a/src/test/java/PortfolioTest.java b/src/test/java/PortfolioTest.java
index 57ecb47..36f7419 100644
--- a/src/test/java/PortfolioTest.java
+++ b/src/test/java/PortfolioTest.java
@@ -6,7 +6,7 @@
 public class PortfolioTest {
 
     @Test
-    void testAddShare() {
+    void testAddSharePortfolio() {
         Portfolio portfolio = new Portfolio();
 
         Stock stock = new Stock("AAPL", "Apple", new BigDecimal("150"));
@@ -19,7 +19,7 @@ void testAddShare() {
     }
 
     @Test
-    void testRemoveShare() {
+    void testRemoveSharePortfolio() {
         Portfolio portfolio = new Portfolio();
 
         Stock stock = new Stock("AAPL", "Apple", new BigDecimal("150"));
@@ -33,5 +33,51 @@ void testRemoveShare() {
         assertFalse(portfolio.contains(share));
     }
 
+    @Test
+    void testGetSharesPortfolio() {
+        Portfolio portfolio = new Portfolio();
+
+        Stock stock = new Stock("AAPL", "Apple", new BigDecimal("150"));
+        Share share = new Share(stock, new BigDecimal("10"), new BigDecimal("140"));
+
+        portfolio.addShare(share);
+
+        var shares = portfolio.getShares();
+
+        assertEquals(1, shares.size());
+        assertTrue(shares.contains(share));
+    }
+
+    @Test
+    void testGetSharesBySymbolPortfolio() {
+        Portfolio portfolio = new Portfolio();
+
+        Stock stock1 = new Stock("AAPL", "Apple", new BigDecimal("150"));
+        Stock stock2 = new Stock("GOOGL", "Google", new BigDecimal("200"));
+
+        Share share1 = new Share(stock1, new BigDecimal("10"), new BigDecimal("140"));
+        Share share2 = new Share(stock2, new BigDecimal("10"), new BigDecimal("190"));
+
+        portfolio.addShare(share1);
+        portfolio.addShare(share2);
+
+        var result = portfolio.getShares("AAPL");
+
+        assertEquals(1, result.size());
+        assertTrue(result.contains(share1));
+    }
+
+    @Test
+    void testContainsPortfolio() {
+        Portfolio portfolio = new Portfolio();
+
+        Stock stock = new Stock("AAPL", "Apple", new BigDecimal("150"));
+        Share share = new Share(stock, new BigDecimal("10"), new BigDecimal("140"));
+
+        portfolio.addShare(share);
+
+        assertTrue(portfolio.contains(share));
+    }
+
     
 }
diff --git a/src/test/java/StockTest.java b/src/test/java/StockTest.java
index 5f587f9..1bfcc2a 100644
--- a/src/test/java/StockTest.java
+++ b/src/test/java/StockTest.java
@@ -1,9 +1,8 @@
-import static org.junit.Assert.assertEquals;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
 
 import java.math.BigDecimal;
 
-import org.junit.Test;
-
 
 public class StockTest {
 

From cb88b74d56457eccc3b7de7bda1e077ad12f70af Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Tue, 10 Mar 2026 20:54:33 +0100
Subject: [PATCH 21/26] Added ShareTest class

---
 src/test/java/ShareTest.java            |  71 ++++++++++++++++++++++++
 target/classes/PurchaseCalculator.class | Bin 1119 -> 1148 bytes
 2 files changed, 71 insertions(+)
 create mode 100644 src/test/java/ShareTest.java

diff --git a/src/test/java/ShareTest.java b/src/test/java/ShareTest.java
new file mode 100644
index 0000000..ba6dc76
--- /dev/null
+++ b/src/test/java/ShareTest.java
@@ -0,0 +1,71 @@
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+import java.math.BigDecimal;
+
+
+public class ShareTest {
+
+    @Test
+    void testShareConstructor() {
+
+        Stock stock = new Stock("AAPL", "Apple", new BigDecimal("150"));
+        BigDecimal quantity = new BigDecimal("10");
+        BigDecimal purchasePrice = new BigDecimal("140");
+
+        Share share = new Share(stock, quantity, purchasePrice);
+        assertNotNull(share);
+    }
+
+    @Test
+    void testGetStock() {
+
+        Stock stock = new Stock("AAPL", "Apple", new BigDecimal("150"));
+        Share share = new Share(stock, new BigDecimal("10"), new BigDecimal("140"));
+
+        Stock result = share.getStock();
+
+        assertEquals(stock, result);
+    }
+
+    @Test
+    void testGetQuantity() {
+
+        Stock stock = new Stock("AAPL", "Apple", new BigDecimal("150"));
+        Share share = new Share(stock, new BigDecimal("10"), new BigDecimal("140"));
+
+        BigDecimal result = share.getQuantity();
+
+        assertEquals(new BigDecimal("10"), result);
+    }
+
+    @Test
+    void testGetPurchasePrice() {
+
+        Stock stock = new Stock("AAPL", "Apple", new BigDecimal("150"));
+        Share share = new Share(stock, new BigDecimal("10"), new BigDecimal("140"));
+
+        BigDecimal result = share.getPurchasePrice();
+
+        assertEquals(new BigDecimal("140"), result);
+    }
+
+    @Test
+    void testNullStock() {
+
+        Share share = new Share(null, new BigDecimal("10"), new BigDecimal("100"));
+
+        assertNull(share.getStock());
+    }
+
+    @Test
+    void testNegativePrice() {
+
+        Stock stock = new Stock("AAPL", "Apple", new BigDecimal("150"));
+        Share share = new Share(stock, new BigDecimal("10"), new BigDecimal("-50"));
+
+        assertEquals(new BigDecimal("-50"), share.getPurchasePrice());
+    }
+
+    
+}
diff --git a/target/classes/PurchaseCalculator.class b/target/classes/PurchaseCalculator.class
index c50d57d26ecf38e8436e7d23e259422b041ad3ed..bab65f2784f8620746c271bbe1ef0ba7f9736df1 100644
GIT binary patch
literal 1148
zcmZ{iYflqF7=_RD!j@&YwX~pkLq*%7ZM}dOZfc2suu%+^#E-+WX@_igad&F)Uugm*
z(ZnC%k21cq3~duJ&F*w|=6&Xz^Um)-KYjsN$4d(dhU|7XblM_v>%w!oo=`z(A;mCt
zAijvIC;V3R{oaA=C<`MD`DQ5mNH|Ic{-A(i{LoOgL+Q8-g+^T75vpB%C0kprBRj%d
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zW{@Y1Emxh(HwVuZOBWwK3Wiw@3mFZ&#Bo^@#)$C2DAGHwaEv0uFxim4`>xyBbHk?C
z^T<)Q5jeuz6`|B~^D(8`GGdr%oU0gQLSEC6cEw;BdkhnVh(mVYgh3S9Sj1fmcZhIN
zTpUG|D6&r1Q}WQG$STE)&HcwSL#}^dJ?L~~6j9$YxJTM*m0E3C3#jOvtJGS<j$6K?
zLg}}tAvT5bfa8`9D-{Ywc6guJ6h|2>Gq4)9Nr|IjgUvt*Pgg(VC?l^=TIE>NhLU1`
zU$1O%JknfyC!pKozLq-Y*?*&~=y0$=6-j#1NYIb^NS8RFyG3J~zS|h1H>cUhcn6R#
zpJKec)Wg&X3VNJ7!Tk5Q>?*ypNYR@vJ0W!2X9#hPz7(jOig6t`Xw?4}aFftXr(lj)
zp*@V&c=?#n$C&To_BWa*pvfcg+IURkXZs9|=`0N6E!oj0<$hxEQ+DYT_Z#INYNT@r
zWyf2lNm_PDT+ZNZlKqh6YjG5%0dE;FkHL>McxfQ+j94Jz>=2Rni3zM2;*&mc-Pp}(
cf%H7>;W-WKGz`FJuIGnbpUY&}jI(+17cTwRtN;K2

literal 1119
zcmZ{kdruQV6vfY!zFdY^3oVFmeDtAheSi-hCPMTN8^wSm{yCIQJ7n9%-KoKEr3sWo
z6F-0-%6RWGElsRx+S%Q?_jk`Zv+3_YKYjsN$IBFA0-5b@&}ga9-Bezq>nY<0DZ~Y)
z57ie{^;D->eZPO`HjKc;kuBX0bi)<M)uWoWGOg+>-Q02;x~;rbf%NCD>KJXl3MAKb
zN1F`+r%>N%slZ(=?g_*<{R7v*7^FlR69Qv};+}&k%%m_akccWJGRTsUrfd2d?cn)B
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z#RFx?jvO#|)o~h+1w@UG$*ALDgS);_9(O;LC?Ly|o=d!7Lu2aTfOpm;9x~V2@#*bx
zUu(`e|8JBP4u>RAC%v69`p_vxS9DgiCTJ%OK0b%;K1LP5T<HwsrE(9Gr<mn6cZ!AY
zQQIQ@W)P=edY`FPQu8b|U!f;CYNuvg#Wh;_>N;)^T5tw-#0u32+LNUdLZ4uvhg;w1
zJ_aTyqrHiUCeQ0EO>h#H@s`Z+r0h>DeaaNiP_CDHsF2PfloOTAkhIK@xU9uFB)b-k
z6C9)kZ&|R6z>gSQz7Tg#%n>m^M3e(!3{Na^c|csZcC##yzAHUEqh*zr3-Gz?#Ua;y
LnS%aMIGc^X_PEX!


From 5ec6c530ad36129c8a58ca955234c84230d1b850 Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Sun, 22 Mar 2026 13:59:02 +0100
Subject: [PATCH 22/26] Add TransactionArchive

---
 src/main/java/TransactionArchive.java | 40 +++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/main/java/TransactionArchive.java

diff --git a/src/main/java/TransactionArchive.java b/src/main/java/TransactionArchive.java
new file mode 100644
index 0000000..6d86d71
--- /dev/null
+++ b/src/main/java/TransactionArchive.java
@@ -0,0 +1,40 @@
+import java.util.ArrayList;
+import java.util.stream.Collectors;
+import java.util.List;
+
+public class TransactionArchive {
+    private List<Transaction> transactions;
+
+    public TransactionArchive() {
+        this.transactions = new ArrayList<>();
+    }
+
+    public boolean add(Transaction transaction) {
+        if (transaction == null) {
+            throw new IllegalArgumentException("Should not be null"); // Eller NullPointerExeption?
+        }
+        
+        return transactions.add(transaction);
+
+    }
+
+    public boolean isEmpty() {
+        return transactions.isEmpty();
+    }
+
+    public List<Transaction> getTransactions(int week) {
+        return transactions.stream().filter(transaction -> transaction.getWeek() == week).collect(Collectors.toList());
+    }
+
+    public List<Purchase> getPurchase(int week) {
+        return transactions.stream().filter(transaction -> transaction.getWeek() == week).filter(purchase -> transactions instanceof Purchase).map(transaction -> (Purchase) transaction).collect(Collectors.toList());
+    }
+
+    public List<Sale> getSale(int week) {
+        return transactions.stream().filter(transaction -> transaction.getWeek() == week).filter(sale -> transactions instanceof Sale).map(transaction -> (Sale) transaction).collect(Collectors.toList());
+    }
+
+    public int countDistinctWeeks() {
+        return (int) transactions.stream().map(Transaction::getWeek).distinct().count();
+    }
+}

From 95653ae2b01b1d184821cdc233cc469b8d2a6ba9 Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Sun, 22 Mar 2026 15:39:29 +0100
Subject: [PATCH 23/26] Add commit method

---
 src/main/java/Purchase.java | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/main/java/Purchase.java

diff --git a/src/main/java/Purchase.java b/src/main/java/Purchase.java
new file mode 100644
index 0000000..b8bd457
--- /dev/null
+++ b/src/main/java/Purchase.java
@@ -0,0 +1,22 @@
+import java.math.BigDecimal;
+
+public class Purchase extends Transaction {
+    public Purchase(Share share, int week) {
+        super(share, week, new PurchaseCalculator(share));  
+    }
+
+    @Override
+    public void commit(Player player) {
+        BigDecimal price = this.getShare().getPurchasePrice();
+
+        if (isCommitted() || (player.getMoney().compareTo(price) < 0)) {
+            return;
+        }
+
+        player.withdrawMoney(price);
+        player.getPortfolio().addShare(getShare());
+        player.getTransactionArchive().add(this);
+        
+        this.committed = true;
+    }
+}

From ba7303a73e80aad3e52b73cd9900348e68f33d72 Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Sun, 22 Mar 2026 15:55:52 +0100
Subject: [PATCH 24/26] Add commit method

---
 src/main/java/Sale.java | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/main/java/Sale.java

diff --git a/src/main/java/Sale.java b/src/main/java/Sale.java
new file mode 100644
index 0000000..7a3efc2
--- /dev/null
+++ b/src/main/java/Sale.java
@@ -0,0 +1,21 @@
+import java.math.BigDecimal;
+
+public class Sale extends Transaction {
+    public Sale(Share share, int week) {
+        super(share, week, new SaleCalculator(share));
+    }
+
+    public void commit(Player player) {
+        BigDecimal price = getCalculator().calculateTotal();
+
+        if (isCommitted() || !player.getPortfolio().contains(this.getShare())) {
+            return;
+        }
+
+        player.addMoney(price);
+        player.getPortfolio().removeShare(this.getShare());
+        player.getTransactionArchive().add(this);
+
+        this.committed = true;
+    }
+}

From 33cebc4409547d44dea4ce2d84a0729ecb3cecd0 Mon Sep 17 00:00:00 2001
From: Solveig Natvig <solveig.natvig@gmail.com>
Date: Sun, 22 Mar 2026 15:58:45 +0100
Subject: [PATCH 25/26] Fix price retrieval in commit method

---
 src/main/java/Purchase.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/Purchase.java b/src/main/java/Purchase.java
index b8bd457..67b1049 100644
--- a/src/main/java/Purchase.java
+++ b/src/main/java/Purchase.java
@@ -7,14 +7,14 @@ public Purchase(Share share, int week) {
 
     @Override
     public void commit(Player player) {
-        BigDecimal price = this.getShare().getPurchasePrice();
+        BigDecimal price = this.getCalculator().calculateTotal();
 
         if (isCommitted() || (player.getMoney().compareTo(price) < 0)) {
             return;
         }
 
         player.withdrawMoney(price);
-        player.getPortfolio().addShare(getShare());
+        player.getPortfolio().addShare(this.getShare());
         player.getTransactionArchive().add(this);
         
         this.committed = true;

From 35ca87a86ed86665ec95238eeac1e99c160517ef Mon Sep 17 00:00:00 2001
From: Elisabeth Berg <elisab3@stud.ntnu.no>
Date: Tue, 24 Mar 2026 17:51:38 +0100
Subject: [PATCH 26/26] Updated missing methods in Exchange class

---
 src/main/java/Exchange.java   |  46 +++++++++++++++++++++++++++-------
 src/main/java/Player.java     |   4 +--
 target/classes/Exchange.class | Bin 3108 -> 3923 bytes
 3 files changed, 39 insertions(+), 11 deletions(-)

diff --git a/src/main/java/Exchange.java b/src/main/java/Exchange.java
index 9c60de4..afbde59 100644
--- a/src/main/java/Exchange.java
+++ b/src/main/java/Exchange.java
@@ -41,11 +41,12 @@ public Stock getStock(String symbol) {
     }
 
     public List<Stock> findStocks(String searchTerm) {
-            List<Stock> result = new ArrayList<>();
+        List<Stock> result = new ArrayList<>();
+        String lowerSearch = searchTerm.toLowerCase();
 
         for (Stock stock : stockMap.values()) {
-            if (stock.getSymbol().contains(searchTerm)
-                    || stock.getCompany().contains(searchTerm)) {
+            if (stock.getSymbol().toLowerCase().contains(lowerSearch)
+                    || stock.getCompany().toLowerCase().contains(lowerSearch)) {
                 result.add(stock);
             }
         }
@@ -53,13 +54,40 @@ public List<Stock> findStocks(String searchTerm) {
         return result;
         }
 
-    // public Transaction buy(String symbol, BigDecimal quantity, Player player) {
-    //     return;
-    // }
+    public Transaction buy(String symbol, BigDecimal quantity, Player player) {
+        Stock stock = getStock(symbol);
+        
+         // unngå nullpointerexception
+        if (stock == null) {
+            return null; 
+        }
+
+        // lager en ny "andel" basert på nåværende salgspris
+        Share shareToBuy = new Share(stock, quantity, stock.getSalesPrice());
+        
+        // oppretter kjøpstransaksjonen for den uka
+        Purchase purchase = new Purchase(shareToBuy, this.week);
+        
+        // committer til player
+        purchase.commit(player);
+        
+        return purchase;
+    }
+
+    public Transaction sell(Share share, Player player) {
+        // unngå nullpointerexception
+        if (share == null) {
+            return null;
+        }
 
-    // public Transaction sell(Share share, Player player) {
-    //     return;
-    // }
+        // oppretter salgstransaksjonen for den uka
+        Sale sale = new Sale(share, this.week);
+        
+        // commiter til player
+        sale.commit(player);
+        
+        return sale;
+    }
 
     public void advance() {
         
diff --git a/src/main/java/Player.java b/src/main/java/Player.java
index e94241c..59b4f72 100644
--- a/src/main/java/Player.java
+++ b/src/main/java/Player.java
@@ -24,11 +24,11 @@ public BigDecimal getMoney() {
     }
 
     public void addMoney(BigDecimal amount) {
-        this.money.add(amount);
+        this.money = this.money.add(amount);
     }
 
     public void withdrawMoney(BigDecimal amount) {
-        this.money.subtract(amount);
+        this.money = this.money.subtract(amount);
     }
 
     public Portfolio getPortfolio() {
diff --git a/target/classes/Exchange.class b/target/classes/Exchange.class
index 1a55e6d7d62f120e9e1d96e74949362b515e4d4e..dde00a72d61651ff9f9d6fc58b3ce5aab8aebf08 100644
GIT binary patch
delta 1449
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delta 662
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