Category service, repository

bbaemin-api/src/main/java/org/bbaemin/category/controller/CategoryController.java

@@ -1,57 +1,58 @@
 package org.bbaemin.category.controller;
 
+import lombok.RequiredArgsConstructor;
 import org.bbaemin.category.controller.request.CreateCategoryRequest;
+import org.bbaemin.category.controller.request.UpdateCategoryRequest;
 import org.bbaemin.category.controller.response.CategoryResponse;
+import org.bbaemin.category.service.CategoryService;
+import org.bbaemin.category.vo.Category;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 
 @RestController
+@RequiredArgsConstructor
 @RequestMapping("/api/v1/category")
 public class CategoryController {
 
+    private final CategoryService categoryService;
+
     @GetMapping
     public List<CategoryResponse> listCategory() {
-        return List.of(CategoryResponse.builder()
-                .code("100")
-                .name("돼지고기")
-                .description("돼지고기")
-                .parent("육류")
-                .build());
+        return categoryService.listCategory();
     }
 
-    @GetMapping("/{idx}")
-    public CategoryResponse getCategory(@PathVariable Long idx) {
-        return CategoryResponse.builder()
-                .code("100")
-                .name("돼지고기")
-                .description("돼지고기")
-                .parent("육류")
-                .build();
+    @GetMapping("/{categoryId}")
+    public CategoryResponse getCategory(@PathVariable Long categoryId) {
+        return categoryService.getCategory(categoryId);
     }
 
     @PostMapping
     public CategoryResponse createCategory(@RequestBody CreateCategoryRequest createCategoryRequest) {
-        return CategoryResponse.builder()
-                .code("100")
-                .name("돼지고기")
-                .description("돼지고기")
-                .parent("육류")
+        Category category = Category.builder()
+                .code(createCategoryRequest.getCode())
+                .name(createCategoryRequest.getName())
+                .description(createCategoryRequest.getDescription())
+                .parentId(createCategoryRequest.getParentId())
                 .build();
+
+        return categoryService.createCategory(category);
     }
 
-    @PutMapping("/{idx}")
-    public CategoryResponse updateCategory(@PathVariable Long idx) {
-        return CategoryResponse.builder()
-                .code("100")
-                .name("소고기")
-                .description("소고기")
-                .parent("육류")
+    @PutMapping("/{categoryId}")
+    public CategoryResponse updateCategory(@PathVariable Long categoryId, @RequestBody UpdateCategoryRequest updateCategoryRequest) {
+        Category category = Category.builder()
+                .code(updateCategoryRequest.getCode())
+                .name(updateCategoryRequest.getName())
+                .description(updateCategoryRequest.getDescription())
+                .parentId(updateCategoryRequest.getParentId())
                 .build();
+
+        return categoryService.updateCategory(categoryId, category);
     }
 
-    @DeleteMapping("/{idx}")
-    public Long deleteCategory(@PathVariable Long idx) {
-        return idx;
+    @DeleteMapping("/{categoryId}")
+    public Long deleteCategory(@PathVariable Long categoryId) {
+        return categoryService.deleteCategory(categoryId);
     }
 }

bbaemin-api/src/main/java/org/bbaemin/category/controller/request/CreateCategoryRequest.java

@@ -1,8 +1,12 @@
 package org.bbaemin.category.controller.request;
 
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
 public class CreateCategoryRequest {
 
-    private String code;
+    private Integer code;
     private String name;
     private String description;
 

bbaemin-api/src/main/java/org/bbaemin/category/controller/request/UpdateCategoryRequest.java

@@ -0,0 +1,13 @@
+package org.bbaemin.category.controller.request;
+
+import lombok.Getter;
+
+@Getter
+public class UpdateCategoryRequest {
+
+    private Integer code;
+    private String name;
+    private String description;
+
+    private Long parentId;    // 상위 카테고리
+}

bbaemin-api/src/main/java/org/bbaemin/category/controller/response/CategoryResponse.java

@@ -7,9 +7,11 @@
 @Builder
 public class CategoryResponse {
 
-    private String code;
+    private Long categoryId;
+
+    private Integer code;
     private String name;
     private String description;
 
-    private String parent;
+    private Integer parent;
 }

bbaemin-api/src/main/java/org/bbaemin/category/repository/CategoryRepository.java

@@ -0,0 +1,123 @@
+package org.bbaemin.category.repository;
+
+import org.bbaemin.category.controller.response.CategoryResponse;
+import org.bbaemin.category.vo.Category;
+import org.springframework.stereotype.Repository;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Repository
+public class CategoryRepository {
+
+    private static final List<CategoryResponse> categoryList = new ArrayList<>();
+    private static Long categoryId = 0L;
+
+    static {
+        categoryList.add(
+                CategoryResponse.builder()
+                        .categoryId(++categoryId)
+                        .code(100)
+                        .name("육류")
+                        .description("육류")
+                        .parent(null)
+                        .build()
+        );
+
+        categoryList.add(
+                CategoryResponse.builder()
+                        .categoryId(++categoryId)
+                        .code(101)
+                        .name("돼지고기")
+                        .description("돼지고기")
+                        .parent(100)
+                        .build()
+        );
+    }
+
+    public CategoryResponse oneCategory(Long categoryId) {
+        return categoryList.stream().filter(category -> category.getCategoryId().equals(categoryId))
+                .findFirst().orElseThrow();
+    }
+
+    /**
+     * <pre>
+     * 1. MethodName : findAll
+     * 2. ClassName  : CategoryRepository.java
+     * 3. Comment    : 카테고리 리스트 조회
+     * 4. 작성자      : CHO
+     * 5. 작성일      : 2023. 02. 08.
+     * </pre>
+     */
+    public List<CategoryResponse> findAll() {
+        return categoryList;
+    }
+
+    /**
+     * <pre>
+     * 1. MethodName : findById
+     * 2. ClassName  : CategoryRepository.java
+     * 3. Comment    : 카테고리 상세 조회
+     * 4. 작성자      : CHO
+     * 5. 작성일      : 2023. 02. 08.
+     * </pre>
+     */
+    public CategoryResponse findById(Long categoryId) {
+        return oneCategory(categoryId);
+    }
+
+    /**
+     * <pre>
+     * 1. MethodName : save
+     * 2. ClassName  : CategoryRepository.java
+     * 3. Comment    : 카테고리 등록
+     * 4. 작성자      : CHO
+     * 5. 작성일      : 2023. 02. 08.
+     * </pre>
+     */
+    public CategoryResponse save(Category category) {
+        return CategoryResponse.builder()
+                .categoryId(++categoryId)
+                .code(category.getCode())
+                .name(category.getName())
+                .description(category.getDescription())
+                .parent(category.getCode())
+                .build();
+    }
+
+    /**
+     * <pre>
+     * 1. MethodName : update
+     * 2. ClassName  : CategoryRepository.java
+     * 3. Comment    : 카테고리 수정
+     * 4. 작성자      : CHO
+     * 5. 작성일      : 2023. 02. 08.
+     * </pre>
+     */
+    public CategoryResponse update(Long categoryId, Category category) {
+        return CategoryResponse.builder()
+                .categoryId(categoryId)
+                .code(category.getCode())
+                .name(category.getName())
+                .description(category.getDescription())
+                .parent(category.getCode())
+                .build();
+    }
+
+    /**
+     * <pre>
+     * 1. MethodName : deleteById
+     * 2. ClassName  : CategoryRepository.java
+     * 3. Comment    : 카테고리 삭제
+     * 4. 작성자      : CHO
+     * 5. 작성일      : 2023. 02. 08.
+     * </pre>
+     */
+    public Long deleteById(Long categoryId) {
+        categoryList.stream().filter(category -> category.getCategoryId().equals(categoryId))
+                .collect(Collectors.toList()).remove(0);
+
+        return categoryId;
+    }
+}

bbaemin-api/src/main/java/org/bbaemin/category/service/CategoryService.java

@@ -0,0 +1,81 @@
+package org.bbaemin.category.service;
+
+import lombok.RequiredArgsConstructor;
+import org.bbaemin.category.controller.response.CategoryResponse;
+import org.bbaemin.category.repository.CategoryRepository;
+import org.bbaemin.category.vo.Category;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class CategoryService {
+
+    private final CategoryRepository categoryRepository;
+
+    /**
+     * <pre>
+     * 1. MethodName : listCategory
+     * 2. ClassName  : CategoryService.java
+     * 3. Comment    : 카테고리 리스트 조회
+     * 4. 작성자      : CHO
+     * 5. 작성일      : 2023. 02. 08.
+     * </pre>
+     */
+    public List<CategoryResponse> listCategory() {
+        return categoryRepository.findAll();
+    }
+
+    /**
+     * <pre>
+     * 1. MethodName : getCategory
+     * 2. ClassName  : CategoryService.java
+     * 3. Comment    : 카테고리 상세 조회
+     * 4. 작성자      : CHO
+     * 5. 작성일      : 2023. 02. 08.
+     * </pre>
+     */
+    public CategoryResponse getCategory(Long categoryId) {
+        return categoryRepository.findById(categoryId);
+    }
+
+    /**
+     * <pre>
+     * 1. MethodName : createCategory
+     * 2. ClassName  : CategoryService.java
+     * 3. Comment    : 카테고리 등록
+     * 4. 작성자      : CHO
+     * 5. 작성일      : 2023. 02. 08.
+     * </pre>
+     */
+    public CategoryResponse createCategory(Category category) {
+        return categoryRepository.save(category);
+    }
+
+    /**
+     * <pre>
+     * 1. MethodName : updateCategory
+     * 2. ClassName  : CategoryService.java
+     * 3. Comment    : 카테고리 수정
+     * 4. 작성자      : CHO
+     * 5. 작성일      : 2023. 02. 08.
+     * </pre>
+     */
+    public CategoryResponse updateCategory(Long categoryId, Category category) {
+        return categoryRepository.update(categoryId, category);
+    }
+
+    /**
+     * <pre>
+     * 1. MethodName : deleteCategory
+     * 2. ClassName  : CategoryService.java
+     * 3. Comment    : 카테고리 삭제
+     * 4. 작성자      : CHO
+     * 5. 작성일      : 2023. 02. 08.
+     * </pre>
+     */
+    public Long deleteCategory(Long categoryId) {
+        return categoryRepository.deleteById(categoryId);
+    }
+}

bbaemin-api/src/main/java/org/bbaemin/category/vo/Category.java

@@ -0,0 +1,17 @@
+package org.bbaemin.category.vo;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class Category {
+
+    private Long categoryId;
+
+    private Integer code;
+    private String name;
+    private String description;
+
+    private Long parentId;
+}