Category/2

src/main/java/umc/hackathon/chagok/entity/Category.java

@@ -1,19 +1,37 @@
 package umc.hackathon.chagok.entity;
 
+import javax.persistence.FetchType;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Getter;
 
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
+import lombok.NoArgsConstructor;
 
 @Entity
 @Getter
+@AllArgsConstructor
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class Category extends BaseEntity{
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
+    @JoinColumn(name = "member_id")
+    @ManyToOne(fetch = FetchType.LAZY)
+    private Member member;
+
+    public void setMember(Member member){
+        this.member = member;
+    }
+
     private String categoryName;
 }

src/main/java/umc/hackathon/chagok/service/PostService/PostServiceImpl.java

@@ -4,6 +4,8 @@
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
 import umc.hackathon.chagok.apiPayload.code.status.ErrorStatus;
 import umc.hackathon.chagok.apiPayload.exception.GeneralException;
 import umc.hackathon.chagok.entity.Category;
@@ -127,4 +129,5 @@ public Post findPost(Long postId){
                 }
         );
     }
+
 }

src/main/java/umc/hackathon/chagok/service/categoryService/CategoryService.java

@@ -1,8 +1,17 @@
 package umc.hackathon.chagok.service.categoryService;
 
+import java.util.List;
 import umc.hackathon.chagok.entity.Category;
+import umc.hackathon.chagok.web.dto.CategoryRequest;
+import umc.hackathon.chagok.web.dto.CategoryResponse.CategoryDTO;
 
 public interface CategoryService {
 
+
+    public Category createCategory(Long memberId, CategoryRequest.CreateCategoryDto request);
     public Category findCategory(Long categoryId);
+
+    public List<Category> findAllCategory();
+
+    public List<CategoryDTO> getCategories();
 }

src/main/java/umc/hackathon/chagok/service/categoryService/CategoryServiceImpl.java

@@ -1,17 +1,26 @@
 package umc.hackathon.chagok.service.categoryService;
 
+import java.util.ArrayList;
+import java.util.List;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 import umc.hackathon.chagok.apiPayload.code.status.ErrorStatus;
 import umc.hackathon.chagok.apiPayload.exception.GeneralException;
 import umc.hackathon.chagok.entity.Category;
+import umc.hackathon.chagok.entity.Member;
 import umc.hackathon.chagok.repository.CategoryRepository;
+import umc.hackathon.chagok.service.MemberService.MemberService;
+import umc.hackathon.chagok.web.dto.CategoryRequest;
+import umc.hackathon.chagok.web.dto.CategoryResponse;
+import umc.hackathon.chagok.web.dto.CategoryResponse.CategoryDTO;
 
 @Service
 @RequiredArgsConstructor
 public class CategoryServiceImpl implements CategoryService{
 
     private final CategoryRepository categoryRepository;
+    private final MemberService memberService;
 
     @Override
     public Category findCategory(Long categoryId) {
@@ -21,4 +30,40 @@ public Category findCategory(Long categoryId) {
                 }
         );
     }
+    @Override
+    public List<Category> findAllCategory(){
+        return  categoryRepository.findAll();
+    }
+
+    public static CategoryResponse.CategoryDTO toCategoryDTO(Category category) {
+        return CategoryResponse.CategoryDTO.builder()
+                .id(category.getId())
+                .name(category.getCategoryName())
+                .build();
+    }
+
+    @Override
+    public List<CategoryDTO> getCategories() {
+        List<Category> categories = findAllCategory();
+        List<CategoryDTO> categoryDTOS = new ArrayList<>();
+        for(Category c : categories) {
+            categoryDTOS.add(toCategoryDTO(c));
+        }
+        return categoryDTOS;
+    }
+
+    @Transactional
+    public Category createCategory(Long memberId, CategoryRequest.CreateCategoryDto request) {
+        Category newCategory = Category.builder()
+                .categoryName(request.getName())
+                .build();
+
+        Member member = memberService.findMember(memberId);
+
+        newCategory.setMember(member);
+
+        categoryRepository.save(newCategory);
+
+        return newCategory;
+    }
 }

src/main/java/umc/hackathon/chagok/web/controller/PostController.java

@@ -1,18 +1,20 @@
 package umc.hackathon.chagok.web.controller;
 
 
+import java.util.List;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.*;
 import umc.hackathon.chagok.apiPayload.ApiResponse;
 import umc.hackathon.chagok.service.PostService.PostService;
+import umc.hackathon.chagok.service.categoryService.CategoryService;
+import umc.hackathon.chagok.web.dto.CategoryRequest;
+import umc.hackathon.chagok.web.dto.CategoryResponse;
+import umc.hackathon.chagok.web.dto.CategoryResponse.CategoryDTO;
 import umc.hackathon.chagok.web.dto.PostRequest;
 import umc.hackathon.chagok.converter.PostConverter;
 import umc.hackathon.chagok.entity.Post;
 import umc.hackathon.chagok.web.dto.PostResponse;
 
-import java.util.List;
-import umc.hackathon.chagok.web.dto.PostResponse;
-
 
 import javax.validation.constraints.Null;
 
@@ -22,6 +24,7 @@
 public class PostController {
 
     private final PostService postService;
+    private final CategoryService categoryService;
 
     // TIL 생성하기
     @PostMapping("")
@@ -32,6 +35,22 @@ public ApiResponse<Null> createPost(@RequestHeader(name = "memberId") Long membe
         return ApiResponse.onSuccess(null);
     }
 
+    @RequestMapping(value="/categories" , method= RequestMethod.GET)
+    public ApiResponse <List<CategoryDTO>> getCategories(){
+
+        List<CategoryResponse.CategoryDTO> resCategories = categoryService.getCategories();
+
+        return ApiResponse.onSuccess(resCategories);
+    }
+
+    @PostMapping("/categories")
+    public ApiResponse createCategory(@RequestHeader(name = "memberId") Long memberId, @RequestBody CategoryRequest.CreateCategoryDto request){
+
+        categoryService.createCategory(memberId, request);
+
+        return ApiResponse.onSuccess(null);
+    }
+
     // TIL 수정하기
     @PutMapping("/{postId}")
     public ApiResponse<Null> updatePost(@PathVariable(name = "postId")Long postId, @RequestBody PostRequest.UpdatePostDTO request){
@@ -49,7 +68,7 @@ public ApiResponse<Null> deletePost(@PathVariable(name = "postId")Long postId){
 
         return ApiResponse.onSuccess(null);
     }
-  
+
     @GetMapping("/")
     public ApiResponse<PostResponse.PostPreviewListDTO> getPostList(){
         List<Post> postList = postService.getPostList();

src/main/java/umc/hackathon/chagok/web/dto/CategoryRequest.java

@@ -0,0 +1,11 @@
+package umc.hackathon.chagok.web.dto;
+
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+public class CategoryRequest {
+    @Getter
+    public static class CreateCategoryDto{
+        String name;
+    }
+}

src/main/java/umc/hackathon/chagok/web/dto/CategoryResponse.java

@@ -0,0 +1,17 @@
+package umc.hackathon.chagok.web.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+public class CategoryResponse {
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class CategoryDTO{
+        Long id;
+        String name;
+    }
+}