feat: 댓글방 생성 시점 변경 (#319)

* feat: 댓글방 생성 시점 변경

* refactor: 불필요한 도메인 OfferingWithRole 제거

* refactor: 불필요한 도메인 CommentWithRole 제거

* refactor: 댓글의 작성자 확인 메서드 추가

* refactor: 댓글방 목록 조회 dto 생성자 추가

backend/src/main/java/com/zzang/chongdae/comment/repository/CommentRepository.java

@@ -1,25 +1,14 @@
 package com.zzang.chongdae.comment.repository;
 
-import com.zzang.chongdae.comment.domain.CommentWithRole;
 import com.zzang.chongdae.comment.repository.entity.CommentEntity;
 import com.zzang.chongdae.offering.repository.entity.OfferingEntity;
 import java.util.List;
 import java.util.Optional;
 import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.data.jpa.repository.Query;
 
 public interface CommentRepository extends JpaRepository<CommentEntity, Long> {
 
-    @Query("""
-                SELECT new com.zzang.chongdae.comment.domain.CommentWithRole(c, om.role)
-                FROM CommentEntity as c JOIN OfferingMemberEntity as om
-                    ON c.offering = om.offering AND c.member = om.member
-                WHERE om.offering = :offering
-                ORDER BY c.createdAt
-            """)
-    List<CommentWithRole> findAllWithRoleByOffering(OfferingEntity offering);
+    List<CommentEntity> findAllByOfferingOrderByCreatedAt(OfferingEntity offering);
 
     Optional<CommentEntity> findTopByOfferingOrderByCreatedAtDesc(OfferingEntity offering);
-
-    Boolean existsByOffering(OfferingEntity offering);
 }

backend/src/main/java/com/zzang/chongdae/comment/repository/entity/CommentEntity.java

@@ -42,4 +42,8 @@ public class CommentEntity extends BaseTimeEntity {
     public CommentEntity(MemberEntity member, OfferingEntity offering, String content) {
         this(null, member, offering, content);
     }
+
+    public boolean isOwnedBy(MemberEntity other) {
+        return this.member.isSame(other);
+    }
 }

backend/src/main/java/com/zzang/chongdae/comment/service/CommentService.java

@@ -1,23 +1,18 @@
 package com.zzang.chongdae.comment.service;
 
-import com.zzang.chongdae.comment.domain.CommentWithRole;
 import com.zzang.chongdae.comment.repository.CommentRepository;
 import com.zzang.chongdae.comment.repository.entity.CommentEntity;
 import com.zzang.chongdae.comment.service.dto.CommentAllResponse;
 import com.zzang.chongdae.comment.service.dto.CommentAllResponseItem;
-import com.zzang.chongdae.comment.service.dto.CommentCreatedAtResponse;
 import com.zzang.chongdae.comment.service.dto.CommentLatestResponse;
 import com.zzang.chongdae.comment.service.dto.CommentRoomAllResponse;
 import com.zzang.chongdae.comment.service.dto.CommentRoomAllResponseItem;
 import com.zzang.chongdae.comment.service.dto.CommentSaveRequest;
 import com.zzang.chongdae.global.exception.MarketException;
-import com.zzang.chongdae.member.repository.MemberRepository;
 import com.zzang.chongdae.member.repository.entity.MemberEntity;
-import com.zzang.chongdae.offering.domain.OfferingWithRole;
 import com.zzang.chongdae.offering.exception.OfferingErrorCode;
 import com.zzang.chongdae.offering.repository.OfferingRepository;
 import com.zzang.chongdae.offering.repository.entity.OfferingEntity;
-import com.zzang.chongdae.offeringmember.domain.OfferingMemberRole;
 import java.util.List;
 import java.util.Optional;
 import lombok.RequiredArgsConstructor;
@@ -28,7 +23,6 @@
 public class CommentService {
 
     private final CommentRepository commentRepository;
-    private final MemberRepository memberRepository;
     private final OfferingRepository offeringRepository;
 
     public Long saveComment(CommentSaveRequest request, MemberEntity member) {
@@ -41,52 +35,29 @@ public Long saveComment(CommentSaveRequest request, MemberEntity member) {
     }
 
     public CommentRoomAllResponse getAllCommentRoom(MemberEntity member) {
-        List<OfferingWithRole> offeringsWithRole = offeringRepository.findAllWithRoleByMember(member);
-        List<CommentRoomAllResponseItem> responseItems = offeringsWithRole.stream()
-                .filter(offeringWithRole -> offeringWithRole.getOffering().hasParticipant())
-                .map(this::toCommentRoomAllResponseItem)
+        List<OfferingEntity> commentRooms = offeringRepository.findCommentRoomsByMember(member);
+        List<CommentRoomAllResponseItem> responseItems = commentRooms.stream()
+                .map(commentsRoom -> toCommentRoomAllResponseItem(commentsRoom, member))
                 .toList();
         return new CommentRoomAllResponse(responseItems);
     }
 
-    private CommentRoomAllResponseItem toCommentRoomAllResponseItem(OfferingWithRole offeringWithRole) {
-        OfferingEntity offering = offeringWithRole.getOffering();
-        OfferingMemberRole role = offeringWithRole.getRole();
-        return new CommentRoomAllResponseItem(
-                offering.getId(),
-                offering.getTitle(),
-                toCommentLatestResponse(offering),
-                role.isProposer());
-    }
-
-    private CommentLatestResponse toCommentLatestResponse(OfferingEntity offering) {
-        Optional<CommentEntity> rawComment = commentRepository.findTopByOfferingOrderByCreatedAtDesc(offering);
-        return rawComment
+    private CommentRoomAllResponseItem toCommentRoomAllResponseItem(OfferingEntity offering, MemberEntity member) {
+        Optional<CommentEntity> comment = commentRepository.findTopByOfferingOrderByCreatedAtDesc(offering);
+        CommentLatestResponse commentLatestResponse = comment
                 .map(CommentLatestResponse::new)
                 .orElseGet(() -> new CommentLatestResponse(null, null));
+        return new CommentRoomAllResponseItem(offering, member, commentLatestResponse);
     }
 
     public CommentAllResponse getAllComment(Long offeringId, MemberEntity member) {
         OfferingEntity offering = offeringRepository.findById(offeringId)
                 .orElseThrow(() -> new MarketException(OfferingErrorCode.NOT_FOUND));
 
-        List<CommentWithRole> commentsWithRole = commentRepository.findAllWithRoleByOffering(offering);
-        List<CommentAllResponseItem> responseItems = commentsWithRole.stream()
-                .map(commentWithRole -> toCommentAllResponseItem(commentWithRole, member.getId()))
+        List<CommentEntity> comments = commentRepository.findAllByOfferingOrderByCreatedAt(offering);
+        List<CommentAllResponseItem> responseItems = comments.stream()
+                .map(comment -> new CommentAllResponseItem(comment, member))
                 .toList();
         return new CommentAllResponse(responseItems);
     }
-
-    private CommentAllResponseItem toCommentAllResponseItem(CommentWithRole commentWithRole, long loginMemberId) {
-        CommentEntity comment = commentWithRole.getComment();
-        OfferingMemberRole role = commentWithRole.getRole();
-        MemberEntity member = comment.getMember();
-        return new CommentAllResponseItem(
-                comment.getId(),
-                new CommentCreatedAtResponse(comment.getCreatedAt()),
-                comment.getContent(),
-                member.getNickname(),
-                role.isProposer(),
-                member.isSameMember(loginMemberId));
-    }
 }

backend/src/main/java/com/zzang/chongdae/comment/service/dto/CommentAllResponseItem.java

@@ -1,9 +1,21 @@
 package com.zzang.chongdae.comment.service.dto;
 
+import com.zzang.chongdae.comment.repository.entity.CommentEntity;
+import com.zzang.chongdae.member.repository.entity.MemberEntity;
+
 public record CommentAllResponseItem(Long commentId,
                                      CommentCreatedAtResponse createdAt,
                                      String content,
                                      String nickname,
-                                     Boolean isProposer,
-                                     Boolean isMine) {
+                                     boolean isProposer,
+                                     boolean isMine) {
+
+    public CommentAllResponseItem(CommentEntity comment, MemberEntity member) {
+        this(comment.getId(),
+                new CommentCreatedAtResponse(comment.getCreatedAt()),
+                comment.getContent(),
+                comment.getMember().getNickname(),
+                comment.getOffering().isProposedBy(comment.getMember()),
+                comment.isOwnedBy(member));
+    }
 }

backend/src/main/java/com/zzang/chongdae/comment/service/dto/CommentRoomAllResponseItem.java

@@ -1,7 +1,19 @@
 package com.zzang.chongdae.comment.service.dto;
 
+import com.zzang.chongdae.member.repository.entity.MemberEntity;
+import com.zzang.chongdae.offering.repository.entity.OfferingEntity;
+
 public record CommentRoomAllResponseItem(Long offeringId,
                                          String offeringTitle,
-                                         CommentLatestResponse latestComment,
-                                         Boolean isProposer) {
+                                         Boolean isProposer,
+                                         CommentLatestResponse latestComment) {
+
+    public CommentRoomAllResponseItem(OfferingEntity offering,
+                                      MemberEntity member,
+                                      CommentLatestResponse latestComment) {
+        this(offering.getId(),
+                offering.getTitle(),
+                offering.isProposedBy(member),
+                latestComment);
+    }
 }

backend/src/main/java/com/zzang/chongdae/member/repository/entity/MemberEntity.java

@@ -37,7 +37,7 @@ public MemberEntity(String nickname, String password) {
         this(null, nickname, password);
     }
 
-    public boolean isSameMember(Long memberId) {
-        return this.id.equals(memberId);
+    public boolean isSame(MemberEntity other) {
+        return this.equals(other);
     }
 }

backend/src/main/java/com/zzang/chongdae/offering/repository/OfferingRepository.java

@@ -1,7 +1,6 @@
 package com.zzang.chongdae.offering.repository;
 
 import com.zzang.chongdae.member.repository.entity.MemberEntity;
-import com.zzang.chongdae.offering.domain.OfferingWithRole;
 import com.zzang.chongdae.offering.repository.entity.OfferingEntity;
 import java.time.LocalDateTime;
 import java.util.List;
@@ -12,12 +11,12 @@
 public interface OfferingRepository extends JpaRepository<OfferingEntity, Long> {
 
     @Query("""
-                SELECT new com.zzang.chongdae.offering.domain.OfferingWithRole(o, om.role)
+                SELECT o
                 FROM OfferingEntity as o JOIN OfferingMemberEntity as om
                     ON o.id = om.offering.id
                 WHERE om.member = :member
             """)
-    List<OfferingWithRole> findAllWithRoleByMember(MemberEntity member);
+    List<OfferingEntity> findCommentRoomsByMember(MemberEntity member);
 
     @Query("""
             SELECT o

backend/src/main/java/com/zzang/chongdae/offering/repository/entity/OfferingEntity.java

@@ -126,16 +126,16 @@ public OfferingMeeting toOfferingMeeting() {
         return new OfferingMeeting(deadline, meetingAddress, meetingAddressDetail, meetingAddressDong);
     }
 
-    public boolean hasParticipant() {
-        return currentCount > INITIAL_COUNT;
-    }
-
     public boolean isStatusGrouping() {
         return this.roomStatus.isGrouping();
     }
 
+    public boolean isProposedBy(MemberEntity other) {
+        return this.member.isSame(other);
+    }
+
     public boolean isNotProposedBy(MemberEntity other) {
-        return !this.member.equals(other);
+        return !isProposedBy(other);
     }
 
     public void updateMeeting(OfferingMeeting offeringMeeting) {