Fix bugs caused by Expense/Income controllers

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

@@ -1,6 +1,8 @@
 package com.faf223.expensetrackerfaf.model;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
 import lombok.Data;
+import lombok.ToString;
 
 import java.math.BigDecimal;
 import java.time.LocalDate;
@@ -12,8 +14,10 @@ public class Expense {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long expenseId;
 
-    @ManyToOne
+    @ManyToOne()
     @JoinColumn(name = "user_uuid")
+    @ToString.Exclude
+    @JsonIgnore
     private User user;
 
     @ManyToOne

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

@@ -1,7 +1,9 @@
 package com.faf223.expensetrackerfaf.model;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
 import lombok.Data;
+import lombok.ToString;
 
 import java.math.BigDecimal;
 import java.time.LocalDate;
@@ -15,6 +17,8 @@ public class Income {
 
     @ManyToOne
     @JoinColumn(name = "user_uuid")
+    @ToString.Exclude
+    @JsonIgnore
     private User user;
 
     @ManyToOne

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

@@ -2,10 +2,7 @@
 package com.faf223.expensetrackerfaf.model;
 
 import jakarta.persistence.*;
-import lombok.AllArgsConstructor;
-import lombok.Builder;
-import lombok.Data;
-import lombok.NoArgsConstructor;
+import lombok.*;
 
 import java.util.List;
 
@@ -32,9 +29,11 @@ public class User {
     @Transient
     private String password;
 
-    @OneToMany(mappedBy = "user")
+    @OneToMany(mappedBy = "user", fetch = FetchType.LAZY)
+    @ToString.Exclude
     private List<Expense> expenses;
 
-    @OneToMany(mappedBy = "user")
+    @OneToMany(mappedBy = "user", fetch = FetchType.LAZY)
+    @ToString.Exclude
     private List<Income> incomes;
 }