feat1: 엔티티 연관관계 매핑 끝

src/main/java/umc_haekathon_4/demo/domain/Memory.java

@@ -27,4 +27,8 @@ public class Memory {
 
     @OneToMany(mappedBy = "memory", cascade = CascadeType.ALL, orphanRemoval = true)
     private List<Image> images=new ArrayList<>();
+
+    @ManyToOne
+    @JoinColumn(name = "treasure_box_id", nullable = false)
+    private TeasureBox teasureBox;
 }

src/main/java/umc_haekathon_4/demo/domain/Mission.java

@@ -1,9 +1,6 @@
 package umc_haekathon_4.demo.domain;
 
-import jakarta.persistence.Column;
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.Id;
+import jakarta.persistence.*;
 import lombok.NoArgsConstructor;
 import org.springframework.data.annotation.CreatedDate;
 
@@ -21,4 +18,8 @@ public class Mission {
     @CreatedDate
     @Column(name = "created_at")
     private LocalDateTime createdDate;
+
+    @ManyToOne
+    @JoinColumn(name = "treasure_box_id", nullable = false)
+    private TeasureBox teasureBox;
 }

src/main/java/umc_haekathon_4/demo/domain/TeasureBox.java

@@ -4,6 +4,8 @@
 import lombok.*;
 
 import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
 
 @Entity
 @Builder
@@ -13,12 +15,19 @@
 public class TeasureBox {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "treasure_box_id")
     private Long id;
 
     @ManyToOne
     @JoinColumn(name = "user_id", nullable = false)
     private User user;
 
+    @OneToMany(mappedBy = "treasure_box", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<Memory> memories=new ArrayList<>();
+
+    @OneToMany(mappedBy = "treasure_box", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<Mission> missions=new ArrayList<>();
+
     private LocalDateTime createdAt;
     private LocalDateTime deadline;
     private String status;