feat(community): communityComment 생성 RequestDto, Usecase 추가 및 Service 구현

Author: ayoung-dev

src/main/java/com/somemore/community/dto/request/CommunityCommentCreateRequestDto.java

@@ -0,0 +1,26 @@
+package com.somemore.community.dto.request;
+
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
+import com.fasterxml.jackson.databind.annotation.JsonNaming;
+import com.somemore.community.domain.CommunityComment;
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotBlank;
+import lombok.Builder;
+
+import java.util.UUID;
+
+@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
+@Builder
+public record CommunityCommentCreateRequestDto(
+        @Schema(description = "커뮤니티 댓글 내용", example = "저도 함께 하고 싶습니다.")
+        @NotBlank(message = "댓글 내용은 필수 값입니다.")
+        String content
+) {
+    public CommunityComment toEntity(UUID writerId, Long parentCommentId) {
+        return CommunityComment.builder()
+                .writerId(writerId)
+                .content(content)
+                .parentCommentId(parentCommentId)
+                .build();
+    }
+}

src/main/java/com/somemore/community/service/comment/CreateCommunityCommentService.java

@@ -0,0 +1,29 @@
+package com.somemore.community.service.comment;
+
+import com.somemore.community.domain.CommunityComment;
+import com.somemore.community.dto.request.CommunityCommentCreateRequestDto;
+import com.somemore.community.repository.comment.CommunityCommentRepository;
+import com.somemore.community.usecase.comment.CreateCommunityCommentUseCase;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.UUID;
+
+@RequiredArgsConstructor
+@Transactional
+@Service
+public class CreateCommunityCommentService implements CreateCommunityCommentUseCase {
+
+    private final CommunityCommentRepository communityCommentRepository;
+
+    @Override
+    public Long CreateCommunityComment(CommunityCommentCreateRequestDto requestDto, UUID writerId, Long parentCommunityId) {
+
+        CommunityComment communityComment = requestDto.toEntity(writerId, parentCommunityId);
+
+        communityCommentRepository.save(communityComment);
+
+        return communityComment.getId();
+    }
+}

src/main/java/com/somemore/community/usecase/comment/CreateCommunityCommentUseCase.java

@@ -0,0 +1,13 @@
+package com.somemore.community.usecase.comment;
+
+import com.somemore.community.domain.CommunityComment;
+import com.somemore.community.dto.request.CommunityCommentCreateRequestDto;
+
+import java.util.UUID;
+
+public interface CreateCommunityCommentUseCase {
+    Long CreateCommunityComment(
+            CommunityCommentCreateRequestDto requestDto,
+            UUID writerId,
+            Long parentCommunityId);
+}