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] 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
zcma)7Syx+C7~LlcxsY6F8A?g#R*Dd&R;{*xr7g4+%OpW+apDqg$%T;6n*@sEa#`m(
z)v>5`c<GA|>ME(&wOl^?<Ui1Ne}Zd?`<&biO>xLW?z!iDXP@ue-`?l`^4E_)0eBE!
zYj6pap1c^27_k{sgGXTVtg&dcNBQ19JT+^ElLDTYF>eY~4dj<XN!yCebaHLUH0K0F
zKXDStczABmSP<Bh2~8!fXgenuR~E8nVn#A$6DWB5YS*2(10f03d6XNywh^0-&*zR;
zn4@Y=u69{5D|u94f8z!yDqpo>z)B=Lo5ls&{yVNKce>o*>4{I9KDbe%V-vOrxEq_s
z%OJ2-M+v-g6wsleRKs?G%KVY1jYNdC`>+i)GHREOGWay?$#Ps!i4VIoL3imWM};5z
zakqvBfr>nyEI~&jn#i=3G;Jdpw*_h&n+n+Mcji0&Xhy4s7SfhS$gb*WL%VFNd6C_%
z$s!c=yi>zLffCgP9}eJN9rxi7yEtPeL(B71@o4crM-YBIfFl|X3zX;2B?~$_z;?M8
zQatf+VGlAQ>n!M=Gvm}%n3b&RK^;fYEuck=#E>e04VjRVvts5@YJSSJ$Be0{(rY|y
zM8^%=lJCx>CmFF40=|K)=%t91a5=lVfJ&tpa-i0DoFfV{K5!fC@<J9mP_#R*BeD@n
z8p<0g4GjZX5vcMq<na*FJEXiOM`x9@Se^71t5w|)*iy)zLwnPNBtE2L437x-!|_<s
zuwscb=5kSdmRl0$O*oA#l}(j?6WG2Hwo|!0VM51ac$|IY7J-Js=q&P`jU?OWt=P0W
zf+W`$?#kw0L>-&b`ai<*3~Mk1s`HXNZrjGPY@rX6sFA5p>o9SiWiJ}hl*v5mvbtA3
z?1@LCyzH!ajNXYz_gR#99x%V|!x_x!h=O-gX_o0C>UtuE9WpPZ%vjj$Y?_c3itAXA
z7V?q0p7{KN5nGlvw{;|B&)mlJG#3-5VTU7QrcH3KZ6;Dt@~j!tiw2P-%tal`c$$Ke
zO*5iqV#Kz>6nn0kc_SHVKVi-Enqh0+h<3`W<yjri;d#PK$M?ol${rL}uebYmehB#U
zcCTHPzZD-Y;S~)pXNxa_)A1@^V@8U^VbU3B>~)M<6v=}x;SC*c;xc)fXCc-?lyb~o
zz{TPJg7UWH=yDnH-qrCQuJG!bI5|2jt*9DQ3?)zgK*xvph&NVPa&4PqahdDJ@lE}b
z*-vy_#R`4NP7Ik#h2;L@Mt&dkaLTsLSkmc3dFE3(V%lL&^26B6MrP(nL(E)q;(Vca
ziXo>gc~g~VFQYbD5BBnF;bv1jsFI%;j$HBs!)KNJgmBfb=5)UEYr(O`xlP#2xXel=
zSAai=Qo`q0@FuE*&8w&ldR9>vyoGJ&ZeqtOc5=9z!@aB6*RqCsfez1g><oC;5ES?s
z2Zn+-u(LIdds^3UzZ+-eN|(UO`fuM6*MnpHZ(vT~=^mb6hDzpBg#fBik1f3PYtheV
zh%?6-6=W3i!3p&6DMzwCp+>zp$^1KrbP9dU{4{6v+*&`^9^%YaxYp5*5>~9?j7A4(
z{3sA!U=WA+FAHzyQ-YQ-{n~FiaH&i)C+$#~WROdoOaz87yus$WZ;CeW*>Lj+9(Fc&
z^C%bh_$6`8YZ!H*7@}T5)MmnRO!zUbm=HLNM;)*e4p@Z)cFrYxQe01C0bWH8uOf%{
z1fC>LMi);>dPFJTr7lKpVUpdS8kG2J2n(!XCZmCt0u9LiH>WYXf(i~}a(ET~7E0oR
zt3VRJw#dvfn%Kpz04>yP8}-qSgY;Jy|9km9#5U!%Fp|r71WCm}DLbE1T4=zoA}wUr
zvRXI>_d2%Up@ntqDVWo6Kq+LMDHW@RJTFq6N;JaF+@;56gXeCb&NC^UavLv$*U?9p
zWSlWT8kVFz_NDPm4PKb3!HaW8Jgs$}AMjEduXlJ`1Ku>=>d*q(_jo6b_phO>IiRKS
zF)@^f($Yh2rOY5*4Km>)Lk+CCnH+Rc?|m4cE{8C||4FV{7**UIRky;d!(9ViBRwOy
z?+`x46{2?0f1lxV*3?IHT;rUV7?t>fBTYG}S~_V5-16>F4E;${3Vg{#T=?p5cTKUi

literal 0
HcmV?d00001