Solved delete a Room and its Bookings and the same to the User

java/roomBooking/src/main/java/com/uva/roomBooking/Models/Room.java

@@ -40,7 +40,7 @@ public class Room {
     @Column(name = "available", nullable = false)
     private boolean available;
     @JsonIgnore
-    @OneToMany(mappedBy = "roomId", fetch = FetchType.EAGER, cascade = CascadeType.MERGE)
+    @OneToMany(mappedBy = "roomId", fetch = FetchType.EAGER, cascade = CascadeType.ALL)
     private List<Booking> bookings;
 
     public Room() {

java/roomBooking/src/main/java/com/uva/roomBooking/Models/User.java

@@ -2,8 +2,6 @@ package com.uva.roomBooking.Models;
 
 import java.util.List;
 
-import org.springframework.beans.factory.annotation.Value;
-
 import com.fasterxml.jackson.annotation.JsonIgnore;
 
 import jakarta.persistence.Basic;
@@ -37,7 +35,7 @@ public class User {
   private UserStatus status = UserStatus.NO_BOOKINGS;
 
   @JsonIgnore
-  @OneToMany(mappedBy = "userId", fetch = FetchType.EAGER, cascade = CascadeType.MERGE)
+  @OneToMany(mappedBy = "userId", fetch = FetchType.EAGER, cascade = CascadeType.ALL)
   private List<Booking> bookings;
 
   public User() {