Merge pull request #174 from nhnacademy-be4-ckin/feature/category-cache

[FEATURE] 카테고리 캐싱기능 추가
nhnacademy-be4-ckin · Mar 25, 2024 · e624919 · e624919
2 parents 2cf2493 + 827e8f5
commit e624919
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Showing 4 changed files with 61 additions and 2 deletions.
diff --git a/src/main/java/store/ckin/api/category/controller/CategoryController.java b/src/main/java/store/ckin/api/category/controller/CategoryController.java
@@ -16,6 +16,7 @@
 import org.springframework.web.bind.annotation.RestController;
 import store.ckin.api.category.dto.request.CategoryCreateRequestDto;
 import store.ckin.api.category.dto.request.CategoryUpdateRequestDto;
+import store.ckin.api.category.dto.response.CategoryCacheResponseDto;
 import store.ckin.api.category.dto.response.CategoryResponseDto;
 import store.ckin.api.category.service.CategoryService;
 
@@ -71,6 +72,12 @@ public ResponseEntity<List<CategoryResponseDto>> getSubcategories(@PathVariable
         return ResponseEntity.ok(subcategories);
     }
 
+    @GetMapping("/redis")
+    public ResponseEntity<List<CategoryCacheResponseDto>> getAllCategories() {
+        List<CategoryCacheResponseDto> categories = categoryService.gerAllCategories();
+        return ResponseEntity.ok(categories);
+    }
+
     /**
      * 지정된 ID의 카테고리를 업데이트합니다.
      *

diff --git a/src/main/java/store/ckin/api/category/dto/response/CategoryCacheResponseDto.java b/src/main/java/store/ckin/api/category/dto/response/CategoryCacheResponseDto.java
@@ -0,0 +1,35 @@
+package store.ckin.api.category.dto.response;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+/**
+ * CategoryCacheResponseDto.
+ *
+ * @author 나국로
+ * @version 2024. 03. 24.
+ */
+@Getter
+@NoArgsConstructor
+public class CategoryCacheResponseDto {
+
+
+    private Long categoryId;
+
+    private Long parentCategoryId;
+
+    private String categoryName;
+
+    private Integer categoryPriority;
+
+    @Builder
+    public CategoryCacheResponseDto(Long categoryId, Long parentCategoryId, String categoryName,
+                                    Integer categoryPriority) {
+        this.categoryId = categoryId;
+        this.parentCategoryId = parentCategoryId;
+        this.categoryName = categoryName;
+        this.categoryPriority = categoryPriority;
+    }
+
+}
diff --git a/src/main/java/store/ckin/api/category/service/CategoryService.java b/src/main/java/store/ckin/api/category/service/CategoryService.java
@@ -3,6 +3,7 @@
 import java.util.List;
 import store.ckin.api.category.dto.request.CategoryCreateRequestDto;
 import store.ckin.api.category.dto.request.CategoryUpdateRequestDto;
+import store.ckin.api.category.dto.response.CategoryCacheResponseDto;
 import store.ckin.api.category.dto.response.CategoryResponseDto;
 
 /**
@@ -69,4 +70,6 @@ public interface CategoryService {
      * @return 부모 카테고리 아이디 목록
      */
     List<Long> getParentIds(List<Long> categoryIds);
+
+    List<CategoryCacheResponseDto> gerAllCategories();
 }
diff --git a/src/main/java/store/ckin/api/category/service/impl/CategoryServiceImpl.java b/src/main/java/store/ckin/api/category/service/impl/CategoryServiceImpl.java
@@ -1,13 +1,14 @@
 package store.ckin.api.category.service.impl;
 
 import java.util.List;
+import java.util.Optional;
 import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
-import store.ckin.api.book.repository.BookRepository;
 import store.ckin.api.category.dto.request.CategoryCreateRequestDto;
 import store.ckin.api.category.dto.request.CategoryUpdateRequestDto;
+import store.ckin.api.category.dto.response.CategoryCacheResponseDto;
 import store.ckin.api.category.dto.response.CategoryResponseDto;
 import store.ckin.api.category.entity.Category;
 import store.ckin.api.category.exception.CategoryNotFoundException;
@@ -26,7 +27,6 @@
 public class CategoryServiceImpl implements CategoryService {
 
     private final CategoryRepository categoryRepository;
-    private final BookRepository bookRepository;
     private static final int DEFAULT_CATEGORY_PRIORITY = 1;
 
     /**
@@ -131,6 +131,20 @@ public List<Long> getParentIds(List<Long> bookIds) {
         return categoryRepository.getParentIds(bookIds);
     }
 
+    @Override
+    public List<CategoryCacheResponseDto> gerAllCategories() {
+        List<Category> subcategories = categoryRepository.findAll();
+        return subcategories.stream()
+                .map(category -> CategoryCacheResponseDto.builder()
+                        .categoryId(category.getCategoryId())
+                        .parentCategoryId(Optional.ofNullable(category.getParentCategory())
+                                .map(Category::getCategoryId)
+                                .orElse(null))
+                        .categoryName(category.getCategoryName())
+                        .categoryPriority(category.getCategoryPriority())
+                        .build())
+                .collect(Collectors.toList());
+    }
 
 }