From 719b20c555bf311c70deb180e9e5ffda70e7aad9 Mon Sep 17 00:00:00 2001
From: jwpark1211 <1211abc@naver.com>
Date: Thu, 16 May 2024 19:54:10 +0900
Subject: [PATCH] refactor : member - state/comment/star - like CASCADE config

---
 src/main/java/capstone/bookitty/domain/entity/BookState.java  | 3 +++
 src/main/java/capstone/bookitty/domain/entity/Comment.java    | 3 +++
 src/main/java/capstone/bookitty/domain/entity/Like.java       | 4 ++++
 src/main/java/capstone/bookitty/domain/entity/Star.java       | 3 +++
 .../java/capstone/bookitty/domain/service/CommentService.java | 4 ----
 5 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/main/java/capstone/bookitty/domain/entity/BookState.java b/src/main/java/capstone/bookitty/domain/entity/BookState.java
index f35e631..2bfc1d1 100644
--- a/src/main/java/capstone/bookitty/domain/entity/BookState.java
+++ b/src/main/java/capstone/bookitty/domain/entity/BookState.java
@@ -5,6 +5,8 @@
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import org.hibernate.annotations.OnDelete;
+import org.hibernate.annotations.OnDeleteAction;
 import org.springframework.format.annotation.DateTimeFormat;
 
 import java.time.LocalDateTime;
@@ -20,6 +22,7 @@ public class BookState {
 
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "member_id")
+    @OnDelete(action = OnDeleteAction.CASCADE)
     private Member member;
 
     private String isbn;
diff --git a/src/main/java/capstone/bookitty/domain/entity/Comment.java b/src/main/java/capstone/bookitty/domain/entity/Comment.java
index 3f0ba25..33ab4bc 100644
--- a/src/main/java/capstone/bookitty/domain/entity/Comment.java
+++ b/src/main/java/capstone/bookitty/domain/entity/Comment.java
@@ -5,6 +5,8 @@
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import org.hibernate.annotations.OnDelete;
+import org.hibernate.annotations.OnDeleteAction;
 import org.springframework.format.annotation.DateTimeFormat;
 
 import java.time.LocalDateTime;
@@ -20,6 +22,7 @@ public class Comment {
 
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "member_id")
+    @OnDelete(action = OnDeleteAction.CASCADE)
     private Member member;
 
     private String isbn;
diff --git a/src/main/java/capstone/bookitty/domain/entity/Like.java b/src/main/java/capstone/bookitty/domain/entity/Like.java
index 14aa0ec..79d13b0 100644
--- a/src/main/java/capstone/bookitty/domain/entity/Like.java
+++ b/src/main/java/capstone/bookitty/domain/entity/Like.java
@@ -5,6 +5,8 @@
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import org.hibernate.annotations.OnDelete;
+import org.hibernate.annotations.OnDeleteAction;
 import org.springframework.format.annotation.DateTimeFormat;
 
 import java.time.LocalDateTime;
@@ -20,10 +22,12 @@ public class Like {
 
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "member_id")
+    @OnDelete(action = OnDeleteAction.CASCADE)
     private Member member;
 
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "comment_id")
+    @OnDelete(action = OnDeleteAction.CASCADE)
     private Comment comment;
 
     @DateTimeFormat(pattern = "yyyy-mm-dd'T'HH:mm:ss")
diff --git a/src/main/java/capstone/bookitty/domain/entity/Star.java b/src/main/java/capstone/bookitty/domain/entity/Star.java
index 500ef19..b71d52b 100644
--- a/src/main/java/capstone/bookitty/domain/entity/Star.java
+++ b/src/main/java/capstone/bookitty/domain/entity/Star.java
@@ -5,6 +5,8 @@
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import org.hibernate.annotations.OnDelete;
+import org.hibernate.annotations.OnDeleteAction;
 import org.springframework.format.annotation.DateTimeFormat;
 
 import java.time.LocalDateTime;
@@ -20,6 +22,7 @@ public class Star {
 
     @ManyToOne(fetch=FetchType.LAZY)
     @JoinColumn(name = "member_id")
+    @OnDelete(action = OnDeleteAction.CASCADE)
     private Member member;
 
     private String isbn;
diff --git a/src/main/java/capstone/bookitty/domain/service/CommentService.java b/src/main/java/capstone/bookitty/domain/service/CommentService.java
index 4e102e5..159c42b 100644
--- a/src/main/java/capstone/bookitty/domain/service/CommentService.java
+++ b/src/main/java/capstone/bookitty/domain/service/CommentService.java
@@ -13,8 +13,6 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.util.List;
-
 import static capstone.bookitty.domain.dto.CommentDTO.*;
 
 @Service
@@ -88,8 +86,6 @@ public void updateComment(Long commentId, UpdateRequest request) {
     public void deleteComment(Long commentId) {
         Comment comment = commentRepository.findById(commentId)
                 .orElseThrow(() -> new EntityNotFoundException("Comment with ID " + commentId + " not found."));
-        List<Like> relatedLike = likeRepository.findByCommentId(commentId);
-        for(Like like : relatedLike){ likeRepository.delete(like); }
         commentRepository.delete(comment);
     }