#50 [feat] 글모임 최신 글감 GET

module-api/src/main/java/com/mile/controller/moim/MoimController.java

@@ -4,6 +4,7 @@
 import com.mile.exception.message.SuccessMessage;
 import com.mile.moim.serivce.MoimService;
 import com.mile.moim.serivce.dto.ContentListResponse;
+import com.mile.moim.serivce.dto.MoimTopicResponse;
 import com.mile.moim.serivce.dto.MoimInfoResponse;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -20,24 +21,34 @@ public class MoimController implements MoimControllerSwagger {
 
     private final MoimService moimService;
 
-    @GetMapping("/{moimId}")
     @Override
+    @GetMapping("/{moimId}")
     public SuccessResponse<ContentListResponse> getTopicsFromMoim(
             @PathVariable final Long moimId,
             final Principal principal
     ) {
         return SuccessResponse.of(SuccessMessage.TOPIC_SEARCH_SUCCESS, moimService.getContentsFromMoim(moimId, Long.valueOf(principal.getName())));
     }
 
-    @GetMapping("/{moimId}/authenticate")
     @Override
+    @GetMapping("/{moimId}/authenticate")
     public SuccessResponse getAuthenticationOfMoim(
             final Long moimId,
             final Principal principal
     ) {
         return SuccessResponse.of(SuccessMessage.MOIM_AUTHENTICATE_SUCCESS, moimService.getAuthenticateUserOfMoim(moimId, Long.valueOf(principal.getName())));
     }
 
+
+    @Override
+    @GetMapping("/{moimId}/topic")
+    public SuccessResponse<MoimTopicResponse> getTopicFromMoim(
+            @PathVariable Long moimId
+    ) {
+        return SuccessResponse.of(SuccessMessage.MOIM_TOPIC_GET_SUCCESS, moimService.getTopicFromMoim(moimId));
+
+    }
+
     @GetMapping("/{moimId}/info")
     @Override
     public SuccessResponse<MoimInfoResponse> getMoimInfo(

module-api/src/main/java/com/mile/controller/moim/MoimControllerSwagger.java

@@ -3,6 +3,7 @@
 import com.mile.dto.ErrorResponse;
 import com.mile.dto.SuccessResponse;
 import com.mile.moim.serivce.dto.ContentListResponse;
+import com.mile.moim.serivce.dto.MoimTopicResponse;
 import com.mile.moim.serivce.dto.MoimInfoResponse;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.media.Content;
@@ -38,7 +39,8 @@ SuccessResponse<ContentListResponse> getTopicsFromMoim(
     @ApiResponses(
             value = {
                     @ApiResponse(responseCode = "200", description = "사용자의 권한이 확인되었습니다."),
-                    @ApiResponse(responseCode = "403", description = "사용자 검증 토큰이 유효하지 안습니다.", content = @Content(schema = @Schema(implementation = ErrorResponse.class))
+                    @ApiResponse(responseCode = "403", description = "사용자 검증 토큰이 유효하지 않습니다.",
+                            content = @Content(schema = @Schema(implementation = ErrorResponse.class))
                     ),
                     @ApiResponse(responseCode = "500", description = "서버 내부 오류입니다.",
                             content = @Content(schema = @Schema(implementation = ErrorResponse.class)))
@@ -49,6 +51,21 @@ SuccessResponse getAuthenticationOfMoim(
             final Principal principal
     );
 
+
+    @Operation(summary = "글모임 최근 글감 ")
+    @ApiResponses(
+            value = {
+                    @ApiResponse(responseCode = "200", description = "글감 조회가 완료되었습니다."),
+                    @ApiResponse(responseCode = "404", description = "1. 해당 글모임이 존재하지 않습니다.\n 2.해당 모임의 주제가 존재하지 않습니다.",     
+                            content = @Content(schema = @Schema(implementation = ErrorResponse.class))),
+                    @ApiResponse(responseCode = "500", description = "서버 내부 오류입니다.",
+                            content = @Content(schema = @Schema(implementation = ErrorResponse.class)))
+            }
+    )
+    SuccessResponse<MoimTopicResponse> getTopicFromMoim(
+            @PathVariable Long moimId
+    );
+
     @Operation(summary = "글모임 뷰 - 글모임 정보 조회")
     @ApiResponses(
             value = {

module-common/src/main/java/com/mile/exception/message/ErrorMessage.java

@@ -22,6 +22,7 @@ public enum ErrorMessage {
     COMMENT_NOT_FOUND(HttpStatus.NOT_FOUND.value(), "해당 댓글이 존재하지 않습니다."),
     CURIOUS_NOT_FOUND(HttpStatus.NOT_FOUND.value(), "해당 궁금해요는 존재하지 않습니다."),
     TOPIC_NOT_FOUND(HttpStatus.NOT_FOUND.value(), "해당 주제가 존재하지 않습니다."),
+    MOIM_TOPIC_NOT_FOUND(HttpStatus.NOT_FOUND.value(), "해당 모임의 주제가 존재하지 않습니다."),
     /*
     Bad Request
      */

module-common/src/main/java/com/mile/exception/message/SuccessMessage.java

@@ -22,6 +22,8 @@ public enum SuccessMessage {
     MOIM_INFO_SUCCESS(HttpStatus.OK.value(), "글모임 조회가 완료되었습니다."),
     PRESIGNED_URL_GET_SUCCESS(HttpStatus.OK.value(), "이미지를 업로드할 url이 발행되었습니다."),
     POST_DELETE_SUCCESS(HttpStatus.OK.value(), "글 삭제가 완료되었습니다."),
+    MOIM_TOPIC_GET_SUCCESS(HttpStatus.OK.value(), "글감 조회가 완료되었습니다."),
+
     /*
     201 CREATED
      */

module-domain/src/main/java/com/mile/moim/serivce/MoimService.java

@@ -7,6 +7,7 @@
 import com.mile.moim.repository.MoimRepository;
 import com.mile.moim.serivce.dto.ContentListResponse;
 import com.mile.moim.serivce.dto.MoimAuthenticateResponse;
+import com.mile.moim.serivce.dto.MoimTopicResponse;
 import com.mile.moim.serivce.dto.MoimInfoResponse;
 import com.mile.topic.serivce.TopicService;
 import com.mile.utils.DateUtil;
@@ -44,7 +45,20 @@ public MoimAuthenticateResponse getAuthenticateUserOfMoim(
     ) {
         return MoimAuthenticateResponse.of(writerNameService.isUserInMoim(moimId, userId));
     }
+    private Moim findById(
+            final Long moimId
+    ) {
+        return moimRepository.findById(moimId).orElseThrow(
+                () -> new NotFoundException(ErrorMessage.MOIM_NOT_FOUND)
+        );
+    }
 
+    public MoimTopicResponse getTopicFromMoim(
+            final Long moimId
+    ) {
+        return MoimTopicResponse.of(topicService.findLatestTopicByMoim(findById(moimId)));
+    }
+
     public MoimInfoResponse getMoimInfo(
             final Long moimId
     ) {

module-domain/src/main/java/com/mile/moim/serivce/dto/MoimTopicResponse.java

@@ -0,0 +1,12 @@
+package com.mile.moim.serivce.dto;
+
+public record MoimTopicResponse(
+        String content
+) {
+
+    public static MoimTopicResponse of(
+            final String content
+    ) {
+        return new MoimTopicResponse(content);
+    }
+}

module-domain/src/main/java/com/mile/topic/domain/Topic.java

@@ -15,11 +15,9 @@ public class Topic extends BaseTimeEntity {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
-
     @ManyToOne
     private Moim moim;
-
     private String keyword;
-    private String topic;
+    private String content;
     private String description;
 }

module-domain/src/main/java/com/mile/topic/repository/TopicRepository.java

@@ -5,7 +5,7 @@
 
 import java.util.List;
 
-public interface TopicRepository extends JpaRepository<Topic, Long> {
+public interface TopicRepository extends JpaRepository<Topic, Long>, TopicRepositoryCustom {
 
     public List<Topic> findByMoimId(final Long moimId);
 }

module-domain/src/main/java/com/mile/topic/repository/TopicRepositoryCustom.java

@@ -0,0 +1,11 @@
+package com.mile.topic.repository;
+
+import com.mile.moim.domain.Moim;
+
+import java.util.Optional;
+
+public interface TopicRepositoryCustom {
+
+    Optional<String> findLatestTopicByMoim(final Moim moim);
+
+}

module-domain/src/main/java/com/mile/topic/repository/TopicRepositoryImpl.java

@@ -0,0 +1,24 @@
+package com.mile.topic.repository;
+
+import com.mile.moim.domain.Moim;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import lombok.RequiredArgsConstructor;
+
+import java.util.Optional;
+
+import static com.mile.topic.domain.QTopic.topic;
+
+@RequiredArgsConstructor
+public class TopicRepositoryImpl implements TopicRepositoryCustom {
+
+    private final JPAQueryFactory jpaQueryFactory;
+
+    @Override
+    public Optional<String> findLatestTopicByMoim(final Moim moim) {
+        return Optional.ofNullable(jpaQueryFactory.selectFrom(topic)
+                .select(topic.content)
+                .where(topic.moim.eq(moim))
+                .orderBy(topic.createdAt.desc())
+                .fetchFirst());
+    }
+}

module-domain/src/main/java/com/mile/topic/serivce/TopicService.java

@@ -3,6 +3,7 @@
 import com.mile.config.BaseTimeEntity;
 import com.mile.exception.message.ErrorMessage;
 import com.mile.exception.model.NotFoundException;
+import com.mile.moim.domain.Moim;
 import com.mile.topic.domain.Topic;
 import com.mile.topic.repository.TopicRepository;
 import com.mile.topic.serivce.dto.ContentResponse;
@@ -61,4 +62,13 @@ public Topic findById(
                         () -> new NotFoundException(ErrorMessage.TOPIC_NOT_FOUND)
                 );
     }
+
+    public String findLatestTopicByMoim(
+            final Moim moim
+    ) {
+        return topicRepository.findLatestTopicByMoim(moim)
+                .orElseThrow(
+                        () -> new NotFoundException(ErrorMessage.MOIM_TOPIC_NOT_FOUND)
+                );
+    }
 }

module-domain/src/main/java/com/mile/topic/serivce/dto/ContentResponse.java

@@ -9,6 +9,6 @@ public record ContentResponse(
     public static ContentResponse of(
             final Topic topic
     ) {
-        return new ContentResponse(topic.getId(), topic.getTopic());
+        return new ContentResponse(topic.getId(), topic.getContent());
     }
 }