feat: 음식 등록 기능 추가

src/main/java/com/kusitms/jipbap/common/response/ErrorCode.java

@@ -28,7 +28,10 @@ public enum ErrorCode {
 
     //store
     STORE_NOT_FOUND_ERROR(false, HttpStatus.BAD_REQUEST.value(), "존재하지 않는 가게입니다."),
-    STORE_ALREADY_EXISTS_ERROR(false, HttpStatus.BAD_REQUEST.value(), "이미 채팅방을 만든 유저입니다.")
+    STORE_ALREADY_EXISTS_ERROR(false, HttpStatus.BAD_REQUEST.value(), "이미 존재하는 가게입니다."),
+
+    //food
+    CATEGORY_NOT_FOUND_ERROR(false, HttpStatus.BAD_REQUEST.value(), "존재하지 않는 카테고리입니다.")
     ;
 
     private Boolean isSuccess;

src/main/java/com/kusitms/jipbap/food/CategoryRepository.java

@@ -0,0 +1,6 @@
+package com.kusitms.jipbap.food;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CategoryRepository extends JpaRepository<Category, Long> {
+}

src/main/java/com/kusitms/jipbap/food/FoodController.java

@@ -0,0 +1,27 @@
+package com.kusitms.jipbap.food;
+
+import com.kusitms.jipbap.common.response.CommonResponse;
+import com.kusitms.jipbap.food.dto.FoodDto;
+import com.kusitms.jipbap.food.dto.RegisterFoodRequestDto;
+import com.kusitms.jipbap.security.Auth;
+import com.kusitms.jipbap.security.AuthInfo;
+import io.swagger.v3.oas.annotations.Operation;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/food")
+@RequiredArgsConstructor
+public class FoodController {
+
+    private final FoodService foodService;
+
+    @Operation(summary = "가게 등록하기")
+    @PostMapping
+    public CommonResponse<FoodDto> registerFood(@Auth AuthInfo authInfo, RegisterFoodRequestDto dto) {
+        return new CommonResponse<>(foodService.registerFood(authInfo.getEmail(), dto));
+    }
+
+}

src/main/java/com/kusitms/jipbap/food/FoodExceptionHandler.java

@@ -0,0 +1,25 @@
+package com.kusitms.jipbap.food;
+
+import com.kusitms.jipbap.common.response.CommonResponse;
+import com.kusitms.jipbap.common.response.ErrorCode;
+import com.kusitms.jipbap.food.exception.CategoryNotExistsException;
+import com.kusitms.jipbap.store.exception.StoreExistsException;
+import com.kusitms.jipbap.store.exception.StoreNotExistsException;
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@Slf4j
+@RestControllerAdvice
+public class FoodExceptionHandler {
+    @ExceptionHandler(CategoryNotExistsException.class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    public CommonResponse<?> handleCategoryNotExistsException(CategoryNotExistsException e, HttpServletRequest request) {
+        log.warn("FOOD-001> 요청 URI: " + request.getRequestURI() + ", 에러 메세지: " + e.getMessage());
+        return new CommonResponse<>(ErrorCode.CATEGORY_NOT_FOUND_ERROR);
+    }
+
+}

src/main/java/com/kusitms/jipbap/food/FoodRepository.java

@@ -0,0 +1,11 @@
+package com.kusitms.jipbap.food;
+
+import com.kusitms.jipbap.store.Store;
+import com.kusitms.jipbap.store.StoreRepositoryExtension;
+import com.kusitms.jipbap.user.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.Optional;
+
+public interface FoodRepository extends JpaRepository<Food, Long> {
+}

src/main/java/com/kusitms/jipbap/food/FoodService.java

@@ -0,0 +1,38 @@
+package com.kusitms.jipbap.food;
+
+import com.kusitms.jipbap.food.dto.FoodDto;
+import com.kusitms.jipbap.food.dto.RegisterFoodRequestDto;
+import com.kusitms.jipbap.food.exception.CategoryNotExistsException;
+import com.kusitms.jipbap.store.Store;
+import com.kusitms.jipbap.store.StoreRepository;
+import com.kusitms.jipbap.store.exception.StoreNotExistsException;
+import com.kusitms.jipbap.user.User;
+import com.kusitms.jipbap.user.UserRepository;
+import com.kusitms.jipbap.user.exception.UserNotFoundException;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class FoodService {
+
+    private final UserRepository userRepository;
+    private final StoreRepository storeRepository;
+    private final FoodRepository foodRepository;
+    private final CategoryRepository categoryRepository;
+
+    @Transactional
+    public FoodDto registerFood(String email, RegisterFoodRequestDto dto) {
+        userRepository.findByEmail(email).orElseThrow(()-> new UserNotFoundException("유저 정보가 존재하지 않습니다."));
+        Store store = storeRepository.findById(dto.getStoreId()).orElseThrow(()-> new StoreNotExistsException("해당 가게 id는 유효하지 않습니다."));
+        Category category = categoryRepository.findById(dto.getCategoryId()).orElseThrow(()-> new CategoryNotExistsException("해당 카테고리 id는 유효하지 않습니다."));
+
+        Food food = foodRepository.save(
+                new Food(null, store, category, dto.getName(), dto.getPrice(), dto.getDescription(), 0L)
+        );
+        return new FoodDto(food.getId(), store.getId(), category.getId(), food.getName(), food.getPrice(), food.getDescription());
+    }
+}

src/main/java/com/kusitms/jipbap/food/dto/FoodDto.java

@@ -0,0 +1,18 @@
+package com.kusitms.jipbap.food.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+public class FoodDto {
+
+    private Long id;
+    private Long storeId;
+    private Long categoryId;
+    private String name;
+    private Long price;
+    private String description;
+}

src/main/java/com/kusitms/jipbap/food/dto/RegisterFoodRequestDto.java

@@ -0,0 +1,17 @@
+package com.kusitms.jipbap.food.dto;
+
+import com.kusitms.jipbap.food.Category;
+import com.kusitms.jipbap.store.Store;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class RegisterFoodRequestDto {
+
+    private Long storeId;
+    private Long categoryId;
+    private String name;
+    private Long price;
+    private String description;
+}

src/main/java/com/kusitms/jipbap/food/exception/CategoryNotExistsException.java

@@ -0,0 +1,7 @@
+package com.kusitms.jipbap.food.exception;
+
+public class CategoryNotExistsException extends RuntimeException{
+    public CategoryNotExistsException(String message) {
+        super(message);
+    }
+}