fix: 게시글 상세보기에도 댓글 수 버그 수정

* refactor: 댓글 개수 구하는 비즈니스 로직 엔티티 내부로 분리

* refactor: 엔티티 내부 메소드를 사용

* fix: 게시글 상세보기도 삭제되지 않은 댓글만 개수를 세도록 수정

* refactor: getCommentCount -> countComment

src/main/java/com/ssafy/ssafsound/domain/post/domain/Post.java

@@ -1,30 +1,19 @@
 package com.ssafy.ssafsound.domain.post.domain;
 
-import java.util.ArrayList;
-import java.util.List;
-
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
-import javax.persistence.JoinColumn;
-import javax.persistence.ManyToOne;
-import javax.persistence.OneToMany;
-
-import org.hibernate.annotations.SQLDelete;
-import org.hibernate.annotations.Where;
-
 import com.ssafy.ssafsound.domain.BaseTimeEntity;
 import com.ssafy.ssafsound.domain.board.domain.Board;
 import com.ssafy.ssafsound.domain.comment.domain.Comment;
 import com.ssafy.ssafsound.domain.member.domain.Member;
-
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import org.hibernate.annotations.SQLDelete;
+import org.hibernate.annotations.Where;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
 
 @Entity(name = "post")
 @Getter
@@ -35,64 +24,69 @@
 @Where(clause = "deleted_post = false")
 public class Post extends BaseTimeEntity {
 
-	@Id
-	@Column(name = "post_id")
-	@GeneratedValue(strategy = GenerationType.IDENTITY)
-	private Long id;
-
-	@Column
-	private String title;
-
-	@Column
-	private String content;
-
-	@Column
-	private Long view;
-
-	@Builder.Default
-	@Column
-	private Boolean deletedPost = Boolean.FALSE;
-
-	@Column
-	private Boolean anonymity;
-
-	@ManyToOne(fetch = FetchType.LAZY)
-	@JoinColumn(name = "board_id")
-	private Board board;
-
-	@ManyToOne(fetch = FetchType.LAZY)
-	@JoinColumn(name = "member_id")
-	private Member member;
-
-	@Builder.Default
-	@OneToMany(mappedBy = "post")
-	private List<PostImage> images = new ArrayList<>();
-
-	@Builder.Default
-	@OneToMany(mappedBy = "post")
-	private List<PostLike> likes = new ArrayList<>();
-
-	@Builder.Default
-	@OneToMany(mappedBy = "post")
-	private List<Comment> comments = new ArrayList<>();
-
-	@Builder.Default
-	@OneToMany(mappedBy = "post")
-	private List<PostScrap> scraps = new ArrayList<>();
-
-	public void updatePost(String title, String content, Boolean anonymity) {
-		this.title = title;
-		this.content = content;
-		this.anonymity = anonymity;
-	}
-
-	public static Post of(Board board, Member member, String title, String content, Boolean anonymity) {
-		return Post.builder()
-			.board(board)
-			.member(member)
-			.title(title)
-			.content(content)
-			.anonymity(anonymity)
-			.build();
-	}
+    @Id
+    @Column(name = "post_id")
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column
+    private String title;
+
+    @Column
+    private String content;
+
+    @Column
+    private Long view;
+
+    @Builder.Default
+    @Column
+    private Boolean deletedPost = Boolean.FALSE;
+
+    @Column
+    private Boolean anonymity;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "board_id")
+    private Board board;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "member_id")
+    private Member member;
+
+    @Builder.Default
+    @OneToMany(mappedBy = "post")
+    private List<PostImage> images = new ArrayList<>();
+
+    @Builder.Default
+    @OneToMany(mappedBy = "post")
+    private List<PostLike> likes = new ArrayList<>();
+
+    @Builder.Default
+    @OneToMany(mappedBy = "post")
+    private List<Comment> comments = new ArrayList<>();
+
+    @Builder.Default
+    @OneToMany(mappedBy = "post")
+    private List<PostScrap> scraps = new ArrayList<>();
+
+    public void updatePost(String title, String content, Boolean anonymity) {
+        this.title = title;
+        this.content = content;
+        this.anonymity = anonymity;
+    }
+
+    public static Post of(Board board, Member member, String title, String content, Boolean anonymity) {
+        return Post.builder()
+                .board(board)
+                .member(member)
+                .title(title)
+                .content(content)
+                .anonymity(anonymity)
+                .build();
+    }
+
+    public int countComment() {
+        return (int) this.getComments().stream()
+                .filter(comment -> !comment.getDeletedComment()).count();
+    }
 }

src/main/java/com/ssafy/ssafsound/domain/post/dto/GetPostDetailElement.java

@@ -47,7 +47,7 @@ public static GetPostDetailElement of(Post post, Member loginMember) {
                 .title(post.getTitle())
                 .content(post.getContent())
                 .likeCount(post.getLikes().size())
-                .commentCount(post.getComments().size())
+                .commentCount(post.countComment())
                 .scrapCount(post.getScraps().size())
                 .createdAt(post.getCreatedAt())
                 .anonymity(post.getAnonymity())

src/main/java/com/ssafy/ssafsound/domain/post/dto/GetPostElement.java

@@ -38,18 +38,13 @@ public GetPostElement(Post post) {
         this.title = post.getTitle();
         this.content = post.getContent();
         this.likeCount = post.getLikes().size();
-        this.commentCount = getCommentSize(post);
+        this.commentCount = post.countComment();
         this.createdAt = post.getCreatedAt();
         this.nickname = anonymity ? "익명" : post.getMember().getNickname();
         this.anonymity = anonymity;
         this.thumbnail = findThumbnailUrl(post);
     }
 
-    private int getCommentSize(Post post) {
-        return (int) post.getComments().stream()
-                .filter(comment -> !comment.getDeletedComment()).count();
-    }
-
     private String findThumbnailUrl(Post post) {
         List<PostImage> images = post.getImages();
         if (images.size() >= 1)