Category 영역에 대한 JPA Migration

build.gradle

@@ -22,6 +22,7 @@ repositories {
 
 dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     developmentOnly 'org.springframework.boot:spring-boot-devtools'
 
     // validation

src/main/java/kr/fiveminutesmarket/category/controller/MainCategoryController.java

@@ -5,12 +5,9 @@
 import kr.fiveminutesmarket.category.service.MainCategoryService;
 import kr.fiveminutesmarket.common.dto.ResponseDto;
 import org.springframework.http.HttpStatus;
-import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
 import javax.validation.Valid;
-import java.net.URI;
-import java.net.URISyntaxException;
 import java.util.List;
 
 @RestController

src/main/java/kr/fiveminutesmarket/category/controller/SubCategoryController.java

@@ -8,7 +8,6 @@
 import org.springframework.web.bind.annotation.*;
 
 import javax.validation.Valid;
-import java.util.List;
 
 @RestController
 @RequestMapping("/subCategory")
@@ -20,22 +19,6 @@ public SubCategoryController(SubCategoryService subCategoryService) {
         this.subCategoryService = subCategoryService;
     }
 
-    @GetMapping
-    @ResponseStatus(HttpStatus.OK)
-    public ResponseDto<List<SubCategoryResponse>> getAll() {
-        List<SubCategoryResponse> subCategoryList = subCategoryService.findAll();
-
-        return new ResponseDto<>(0,null, subCategoryList);
-    }
-
-    @GetMapping("/{id}")
-    @ResponseStatus(HttpStatus.OK)
-    public ResponseDto<SubCategoryResponse> findById(@PathVariable("id") Long id) {
-        SubCategoryResponse subCategory = subCategoryService.findById(id);
-
-        return new ResponseDto<>(0,null, subCategory);
-    }
-
     @PostMapping
     @ResponseStatus(HttpStatus.CREATED)
     public ResponseDto<SubCategoryResponse> add(@Valid @RequestBody SubCategoryRequest resource) {
@@ -47,10 +30,10 @@ public ResponseDto<SubCategoryResponse> add(@Valid @RequestBody SubCategoryReque
     @PutMapping("/{id}")
     @ResponseStatus(HttpStatus.OK)
     public ResponseDto<?> update(@PathVariable("id") Long id,
-                @Valid @RequestBody SubCategoryRequest resource) {
+                                 @Valid @RequestBody SubCategoryRequest resource) {
         subCategoryService.update(id, resource);
 
-        return new ResponseDto<>(0);
+        return new ResponseDto<>(0, "수정 완료하였습니다.");
     }
 
     @DeleteMapping("/{id}")

src/main/java/kr/fiveminutesmarket/category/domain/MainCategory.java

@@ -1,14 +1,21 @@
 package kr.fiveminutesmarket.category.domain;
 
 import kr.fiveminutesmarket.category.dto.request.MainCategoryRequest;
-import kr.fiveminutesmarket.category.dto.response.MainCategoryResponse;
 
-public class MainCategory {
+import javax.persistence.*;
+import java.util.List;
 
+@Entity
+public class MainCategory {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long mainCategoryId;
 
     private String mainCategoryName;
 
+    @OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.REMOVE ,mappedBy = "mainCategory")
+    private List<SubCategory> subCategoryList;
+
     public MainCategory() {
     }
 
@@ -24,15 +31,12 @@ public String getMainCategoryName() {
         return mainCategoryName;
     }
 
+    public List<SubCategory> getSubCategoryList() {
+        return subCategoryList;
+    }
+
     public void updateInfo(MainCategoryRequest resource) {
         this.mainCategoryName = resource.getMainCategoryName();
     }
 
-    public MainCategoryResponse toResponse() {
-        MainCategoryResponse response = new MainCategoryResponse();
-        response.setMainCategoryId(mainCategoryId);
-        response.setMainCategoryName(mainCategoryName);
-
-        return response;
-    }
 }

src/main/java/kr/fiveminutesmarket/category/domain/SubCategory.java

@@ -1,22 +1,28 @@
 package kr.fiveminutesmarket.category.domain;
 
-import kr.fiveminutesmarket.category.dto.request.SubCategoryRequest;
-import kr.fiveminutesmarket.category.dto.response.SubCategoryResponse;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 
-public class SubCategory {
+import javax.persistence.*;
 
+@Entity
+public class SubCategory {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long subCategoryId;
 
     private String subCategoryName;
 
-    private Long mainCategoryId;
+    @ManyToOne
+    @JoinColumn(name = "main_category_id")
+    @JsonIgnore
+    private MainCategory mainCategory;
 
     public SubCategory() {
     }
 
-    public SubCategory(String subCategoryName, Long mainCategoryId) {
+    public SubCategory(String subCategoryName, MainCategory mainCategory) {
         this.subCategoryName = subCategoryName;
-        this.mainCategoryId = mainCategoryId;
+        this.mainCategory = mainCategory;
     }
 
     public Long getSubCategoryId() {
@@ -27,21 +33,12 @@ public String getSubCategoryName() {
         return subCategoryName;
     }
 
-    public Long getMainCategoryId() {
-        return mainCategoryId;
-    }
-
-    public SubCategoryResponse toResponse() {
-        SubCategoryResponse response = new SubCategoryResponse();
-        response.setSubCategoryId(subCategoryId);
-        response.setSubCategoryName(subCategoryName);
-        response.setMainCategoryId(mainCategoryId);
-
-        return response;
+    public MainCategory getMainCategory() {
+        return mainCategory;
     }
 
-    public void updateInfo(SubCategoryRequest resource) {
-        this.subCategoryName = resource.getSubCategoryName();
-        this.mainCategoryId = resource.getMainCategoryId();
+    public void updateInfo(String subCategoryName, MainCategory mainCategory) {
+        this.subCategoryName = subCategoryName;
+        this.mainCategory = mainCategory;
     }
 }

src/main/java/kr/fiveminutesmarket/category/dto/request/MainCategoryRequest.java

@@ -1,6 +1,5 @@
 package kr.fiveminutesmarket.category.dto.request;
 
-import kr.fiveminutesmarket.category.domain.MainCategory;
 import org.hibernate.validator.constraints.Length;
 
 import javax.validation.constraints.NotBlank;
@@ -24,8 +23,4 @@ public String getMainCategoryName() {
         return mainCategoryName;
     }
 
-    public MainCategory toEntity() {
-        return new MainCategory(mainCategoryName);
-    }
-
 }

src/main/java/kr/fiveminutesmarket/category/dto/request/SubCategoryRequest.java

@@ -1,6 +1,5 @@
 package kr.fiveminutesmarket.category.dto.request;
 
-import kr.fiveminutesmarket.category.domain.SubCategory;
 import org.hibernate.validator.constraints.Length;
 
 import javax.validation.constraints.NotBlank;
@@ -30,8 +29,4 @@ public String getSubCategoryName() {
     public Long getMainCategoryId() {
         return mainCategoryId;
     }
-
-    public SubCategory toEntity() {
-        return new SubCategory(subCategoryName, mainCategoryId);
-    }
 }

src/main/java/kr/fiveminutesmarket/category/dto/response/MainCategoryResponse.java

@@ -1,24 +1,36 @@
 package kr.fiveminutesmarket.category.dto.response;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
+
+import java.util.List;
+
 public class MainCategoryResponse {
 
     private Long mainCategoryId;
 
     private String mainCategoryName;
 
-    public Long getMainCategoryId() {
-        return mainCategoryId;
+    @JsonInclude(JsonInclude.Include.NON_NULL)
+    private List<SubCategoryResponse> subCategoryResponses;
+
+    public MainCategoryResponse() {
     }
 
-    public void setMainCategoryId(Long mainCategoryId) {
+    public MainCategoryResponse(Long mainCategoryId, String mainCategoryName, List<SubCategoryResponse> subCategoryResponses) {
         this.mainCategoryId = mainCategoryId;
+        this.mainCategoryName = mainCategoryName;
+        this.subCategoryResponses = subCategoryResponses;
+    }
+
+    public Long getMainCategoryId() {
+        return mainCategoryId;
     }
 
     public String getMainCategoryName() {
         return mainCategoryName;
     }
 
-    public void setMainCategoryName(String mainCategoryName) {
-        this.mainCategoryName = mainCategoryName;
+    public List<SubCategoryResponse> getSubCategoryResponses() {
+        return subCategoryResponses;
     }
 }

src/main/java/kr/fiveminutesmarket/category/dto/response/SubCategoryResponse.java

@@ -6,30 +6,20 @@ public class SubCategoryResponse {
 
     private String subCategoryName;
 
-    private Long mainCategoryId;
-
-    public Long getSubCategoryId() {
-        return subCategoryId;
+    public SubCategoryResponse() {
     }
 
-    public void setSubCategoryId(Long subCategoryId) {
+    public SubCategoryResponse(Long subCategoryId, String subCategoryName) {
         this.subCategoryId = subCategoryId;
-    }
-
-    public String getSubCategoryName() {
-        return subCategoryName;
-    }
-
-    public void setSubCategoryName(String subCategoryName) {
         this.subCategoryName = subCategoryName;
     }
 
-    public Long getMainCategoryId() {
-        return mainCategoryId;
+    public Long getSubCategoryId() {
+        return subCategoryId;
     }
 
-    public void setMainCategoryId(Long mainCategoryId) {
-        this.mainCategoryId = mainCategoryId;
+    public String getSubCategoryName() {
+        return subCategoryName;
     }
 
 }

src/main/java/kr/fiveminutesmarket/category/repository/MainCategoryRepository.java

@@ -1,24 +1,9 @@
 package kr.fiveminutesmarket.category.repository;
 
 import kr.fiveminutesmarket.category.domain.MainCategory;
-import org.apache.ibatis.annotations.Mapper;
-import org.apache.ibatis.annotations.Param;
+import org.springframework.data.jpa.repository.JpaRepository;
 
-import java.util.List;
+public interface MainCategoryRepository extends JpaRepository<MainCategory, Long> {
 
-@Mapper
-public interface MainCategoryRepository {
-
-    int insert(@Param("mainCategory") MainCategory mainCategory);
-
-    List<MainCategory> findAll();
-
-    MainCategory findById(@Param("mainCategoryId") Long mainCategoryId);
-
-    int countByName(@Param("mainCategoryName") String mainCategoryName);
-
-    int updateMainCategory(@Param("mainCategoryId") Long mainCategoryId,
-                           @Param("mainCategory") MainCategory mainCategory);
-
-    void deleteById(@Param("mainCategoryId") Long mainCategoryId);
+    long countByMainCategoryName(String mainCategoryName);
 }

src/main/java/kr/fiveminutesmarket/category/repository/SubCategoryRepository.java

@@ -1,26 +1,9 @@
 package kr.fiveminutesmarket.category.repository;
 
 import kr.fiveminutesmarket.category.domain.SubCategory;
-import org.apache.ibatis.annotations.Mapper;
-import org.apache.ibatis.annotations.Param;
+import org.springframework.data.jpa.repository.JpaRepository;
 
-import java.util.List;
+public interface SubCategoryRepository extends JpaRepository<SubCategory, Long> {
 
-@Mapper
-public interface SubCategoryRepository {
-
-    int insert(@Param("subCategory") SubCategory subCategory);
-
-    List<SubCategory> findAll();
-
-    SubCategory findById(@Param("subCategoryId") Long subCategoryId);
-
-    int countByName(@Param("subCategoryName") String subCategoryName);
-
-    int updateSubCategory(@Param("subCategoryId") Long subCategoryId,
-                           @Param("subCategory") SubCategory subCategory);
-
-    void deleteById(@Param("subCategoryId") Long subCategoryId);
-
-    void deleteByMainCategoryId(@Param("mainCategoryId") Long mainCategoryId);
+    long countBySubCategoryName(String subCategoryName);
 }