Changed folder structure

src/main/java/com/faf223/expensetrackerfaf/model/Expense.java

@@ -1,26 +1,43 @@
+
 package com.faf223.expensetrackerfaf.model;
-
 import com.faf223.expensetrackerfaf.util.IMoneyTransaction;
+import jakarta.persistence.*;
 
+@Entity
+@Table(name = "expense")
 public class Expense implements IMoneyTransaction {
 
-    private int userId;
+    @Id
+    @Column(name = "id")
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+
+    @ManyToOne
+    @JoinColumn(name = "user_id", referencedColumnName = "id")
+    private User user;
     private int amount;
     private Categories.ExpenseCategory category;
 
-    public Expense(int userId, int amount, Categories.ExpenseCategory category) {
-        this.userId = userId;
+    public Expense(User user, int amount, Categories.ExpenseCategory category) {
+        this.user = user;
         this.amount = amount;
         this.category = category;
     }
 
+    public Expense() {}
+
     @Override
-    public long getUserId() {
-        return userId;
+    public User getUser() {
+        return user;
     }
 
     public void setUserId(int userId) {
-        this.userId = userId;
+        this.user = user;
+    }
+
+    @Override
+    public long getUserId() {
+        return 0;
     }
 
     @Override