From 04856227bdd3a5d6163dac82c40feea540bf9998 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Einar=20Sk=C3=B8ien?= <einaskoi@stud.ntnu.no>
Date: Sat, 21 Feb 2026 16:46:08 +0100
Subject: [PATCH] Implement skeleton for Transaction, Purchase, Sale and
 TransactionArchive classes

---
 .../gruppe42/Model/Transaction/Purchase.java  | 16 +++++++-
 .../gruppe42/Model/Transaction/Sale.java      | 15 +++++++-
 .../Model/Transaction/Transaction.java        | 38 ++++++++++++++++++-
 .../Model/Transaction/TransactionArchive.java | 32 ++++++++++++++++
 4 files changed, 98 insertions(+), 3 deletions(-)

diff --git a/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Purchase.java b/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Purchase.java
index d7c5d36..56b06cc 100644
--- a/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Purchase.java
+++ b/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Purchase.java
@@ -1,6 +1,20 @@
 package edu.ntnu.idi.idatt2003.gruppe42.Model.Transaction;
 
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Calculator.PurchaseCalculator;
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Calculator.TransactionCalculator;
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Player;
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Share;
+
 import java.math.BigDecimal;
 
-public class Purchase {
+public class Purchase extends Transaction {
+
+  public Purchase(Share share, int week) {
+    super(share, week, new PurchaseCalculator(share));
+  }
+
+  @Override
+  public void commit(Player player) {
+
+  }
 }
diff --git a/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Sale.java b/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Sale.java
index abe6057..3ad873d 100644
--- a/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Sale.java
+++ b/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Sale.java
@@ -1,4 +1,17 @@
 package edu.ntnu.idi.idatt2003.gruppe42.Model.Transaction;
 
-public class Sale {
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Calculator.SaleCalculator;
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Player;
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Share;
+
+public class Sale extends Transaction {
+
+  public Sale(Share share, int week) {
+    super(share, week, new SaleCalculator(share));
+  }
+
+  @Override
+  public void commit(Player player) {
+
+  }
 }
diff --git a/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Transaction.java b/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Transaction.java
index fa07f71..712baf7 100644
--- a/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Transaction.java
+++ b/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Transaction.java
@@ -1,4 +1,40 @@
 package edu.ntnu.idi.idatt2003.gruppe42.Model.Transaction;
 
-public class Transaction {
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Calculator.TransactionCalculator;
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Player;
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Share;
+
+public abstract class Transaction {
+  private Share share;
+  private int week;
+  private TransactionCalculator calculator;
+  private boolean committed;
+
+  protected Transaction(Share share, int week, TransactionCalculator calculator) {
+    this.share = share;
+    this.week = week;
+    this.calculator = calculator;
+    this.committed = false;
+  }
+
+  public Share getShare() {
+    return share;
+  }
+
+  public int getWeek() {
+    return week;
+  }
+
+  public TransactionCalculator getCalculator() {
+    return calculator;
+  }
+
+  public boolean isCommitted() {
+    return committed;
+  }
+
+  public void commit(Player player) {
+
+  }
+
 }
diff --git a/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/TransactionArchive.java b/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/TransactionArchive.java
index f459d56..c811205 100644
--- a/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/TransactionArchive.java
+++ b/src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/TransactionArchive.java
@@ -1,4 +1,36 @@
 package edu.ntnu.idi.idatt2003.gruppe42.Model.Transaction;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class TransactionArchive {
+  private List<Transaction> transactions;
+
+  public TransactionArchive() {
+    this.transactions = new ArrayList<>();
+  }
+
+  public boolean add(Transaction transaction) {
+    return true;
+  }
+
+  public boolean isEmpty() {
+    return true;
+  }
+
+  public List<Transaction> getTransactions(int week) {
+    return transactions;
+  }
+
+  public List<Purchase> getPurchases(int week) {
+    return null;
+  }
+
+  public List<Sale> getSales(int week) {
+    return null;
+  }
+
+  public int countDistinctWeeks() {
+    return 0;
+  }
 }