#5 feat: 전시회 목록 조회 API-전체 목록, 카테고리 기반 조회 구현

PLACE-4th-UMC · Aug 3, 2023 · 1463199 · 1463199
1 parent d73bebd
commit 1463199
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Showing 6 changed files with 110 additions and 10 deletions.
diff --git a/place/src/main/java/com/umc/place/common/BaseResponseStatus.java b/place/src/main/java/com/umc/place/common/BaseResponseStatus.java
@@ -21,6 +21,7 @@ public enum BaseResponseStatus {
 
     // exhibition(2200~2299)
     INVALID_EXHIBITION_IDX(false, 2200, "잘못된 전시회 Idx 입니다."),
+    INVALID_CATEGORY(false, 2201, "잘못된 카테고리입니다."),
 
     // comment(2300~2399)
 
@@ -32,6 +33,7 @@ public enum BaseResponseStatus {
     // story(3100~3199)
 
     // exhibition(3200~3299)
+    NULL_EXHIBITION(false, 3200, "전시회가 없습니다."),
 
     // comment(3300~3399)
 

diff --git a/place/src/main/java/com/umc/place/exhibition/controller/ExhibitionController.java b/place/src/main/java/com/umc/place/exhibition/controller/ExhibitionController.java
@@ -3,8 +3,12 @@
 import com.umc.place.common.BaseException;
 import com.umc.place.common.BaseResponse;
 import com.umc.place.exhibition.dto.GetExhibitionDetailRes;
+import com.umc.place.exhibition.dto.GetExhibitionsRes;
 import com.umc.place.exhibition.service.ExhibitionService;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.web.PageableDefault;
 import org.springframework.web.bind.annotation.*;
 
 import static com.umc.place.common.BaseResponseStatus.SUCCESS;
@@ -15,6 +19,24 @@
 public class ExhibitionController {
     private final ExhibitionService exhibitionService;
 
+    /**
+     * [GET]전시회 목록 조회
+     */
+    @ResponseBody
+    @GetMapping("")
+    public BaseResponse<Page<GetExhibitionsRes>> getExhibitions(@RequestParam(required = false) String categoryName,
+                                                                @PageableDefault(size = 20) Pageable page) // request param "sort="
+    {
+        try {
+            if (categoryName.isBlank()) {
+                return new BaseResponse<>(exhibitionService.getExhibitions(page)); // 전체 목록 조회 .getContent() 추가 시 content만 가져오기 가능
+            } else return new BaseResponse<>(exhibitionService.getExhibitionsByCategory(categoryName, page)); // 카테고리 기반 조회
+
+        } catch (BaseException e) {
+            return new BaseResponse<>(e.getStatus());
+        }
+    }
+
     /**
      * [GET] 전시회 상세 조회
      */

diff --git a/place/src/main/java/com/umc/place/exhibition/dto/GetExhibitionsRes.java b/place/src/main/java/com/umc/place/exhibition/dto/GetExhibitionsRes.java
@@ -0,0 +1,13 @@
+package com.umc.place.exhibition.dto;
+
+import lombok.*;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class GetExhibitionsRes {
+    private Long exhibitionIdx;
+    private String exhibitionName;
+    private String exhibitionImg;
+    private String location;
+}
diff --git a/place/src/main/java/com/umc/place/exhibition/entity/Category.java b/place/src/main/java/com/umc/place/exhibition/entity/Category.java
@@ -2,19 +2,26 @@
 
 import lombok.Getter;
 
+import java.util.Arrays;
+
 @Getter
 public enum Category {
-    DESIGN(1, "디자인"),
-    INTERACTIVE(2, "체험형"), 
-    PHOTO(3, "사진"),
-    INSTALLATION(4, "설치미술"),
-    ETC(5, "기타");
+    DESIGN("디자인"),
+    INTERACTIVE("체험형"),
+    PHOTO("사진"),
+    INSTALLATION("설치미술"),
+    ETC("기타");
 
-    private final int num;
-    private final String category;
+    private final String categoryName;
 
-    Category(int num, String category) {
-        this.num = num;
-        this.category = category;
+    Category(String categoryName) {
+        this.categoryName = categoryName;
     }
+
+//    public static Category getCategoryByCategoryName(String categoryInput){
+//        return Arrays.stream(Category.values())
+//                .filter(category -> category.getCategoryName().equals(categoryInput))
+//                .findAny()
+//                .orElse(null);
+//    }
 }
diff --git a/place/src/main/java/com/umc/place/exhibition/repository/ExhibitionRepository.java b/place/src/main/java/com/umc/place/exhibition/repository/ExhibitionRepository.java
@@ -1,9 +1,15 @@
 package com.umc.place.exhibition.repository;
 
+import com.umc.place.exhibition.entity.Category;
 import com.umc.place.exhibition.entity.Exhibition;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface ExhibitionRepository extends JpaRepository<Exhibition, Long> {
+    Page<Exhibition> findByCategory(Category category, Pageable pageable); // 카테고리 기반 전체 조회(페이징)
+    Page<Exhibition> findAll(Pageable pageable); // 전체 조회(페이징)
+    Boolean existsByCategory(Category category);
 }
diff --git a/place/src/main/java/com/umc/place/exhibition/service/ExhibitionService.java b/place/src/main/java/com/umc/place/exhibition/service/ExhibitionService.java
@@ -2,6 +2,8 @@
 
 import com.umc.place.common.BaseException;
 import com.umc.place.exhibition.dto.GetExhibitionDetailRes;
+import com.umc.place.exhibition.dto.GetExhibitionsRes;
+import com.umc.place.exhibition.entity.Category;
 import com.umc.place.exhibition.entity.Exhibition;
 import com.umc.place.exhibition.entity.ExhibitionLike;
 import com.umc.place.exhibition.repository.ExhibitionRepository;
@@ -12,6 +14,8 @@
 import com.umc.place.user.entity.User;
 import com.umc.place.user.repository.UserRepository;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -31,6 +35,52 @@ public class ExhibitionService {
     private final UserRepository userRepository;
     private final ExhibitionLikeRepository exhibitionLikeRepository;
 
+    /**
+     *전시회 전체 목록 조회(최신순,조회수순,좋아요수순 정렬)
+     *@paramuserIdx
+     *@return
+     *@throwsBaseException
+     */
+    public Page<GetExhibitionsRes> getExhibitions(Pageable page) throws BaseException {
+        try {
+            return exhibitionRepository.findAll(page).map(exhibition -> new GetExhibitionsRes(exhibition.getExhibitionIdx(),
+                    exhibition.getExhibitionName(), exhibition.getExhibitionImg(), exhibition.getLocation()));
+        } catch (Exception e) {
+            throw new BaseException(DATABASE_ERROR);
+        }
+    }
+
+    /**
+     *카테고리 기반 전시회 목록 조회(최신순,조회수순,좋아요수순 정렬)
+     *@paramcategoryIdx
+     *@paramuserIdx
+     *@return
+     *@throwsBaseException
+     */
+    public Page<GetExhibitionsRes> getExhibitionsByCategory(String categoryName, Pageable page) throws BaseException {
+        try {
+            //Category category = Category.getCategoryByCategoryName(categoryName);
+            Category category = Category.valueOf(categoryName);
+            if (category != null) {
+                boolean exhibitionExists = exhibitionRepository.existsByCategory(category);
+                System.out.println("categoryName = " + categoryName);
+                if (exhibitionExists) {
+                    Page<Exhibition> exhibitionPage = exhibitionRepository.findByCategory(category, page);
+                    return exhibitionPage.map(exhibition -> new GetExhibitionsRes(
+                            exhibition.getExhibitionIdx(),
+                            exhibition.getExhibitionName(),
+                            exhibition.getExhibitionImg(),
+                            exhibition.getLocation()));
+                } else throw new BaseException(NULL_EXHIBITION);
+            } else throw new BaseException(INVALID_CATEGORY);
+        } catch (BaseException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new BaseException(DATABASE_ERROR);
+        }
+    }
+
+
     /**
      * 전시회 상세 조회
      * @param exhibitionIdx