Merge pull request #21 from marinesnow34/cart

Feat: 장바구니 추가 구현

src/main/java/com/readyvery/readyverydemo/domain/Cart.java

@@ -16,6 +16,7 @@
 import jakarta.persistence.Table;
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -26,6 +27,7 @@
 @Table(name = "CART")
 @AllArgsConstructor
 @Slf4j
+@Builder
 public class Cart extends BaseTimeEntity {
 
 	@Id
@@ -34,6 +36,7 @@ public class Cart extends BaseTimeEntity {
 	private Long id;
 
 	// 장바구니 유저 연관관계 매핑
+
 	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "user_idx")
 	private UserInfo userInfo;
@@ -43,7 +46,16 @@ public class Cart extends BaseTimeEntity {
 	@JoinColumn(name = "store_idx")
 	private Store store;
 
+	@Column
+	@Builder.Default
+	private Boolean isOrdered = false;
+
+	@Column
+	@Builder.Default
+	private Boolean isDeleted = false;
+
 	// 장바구니 장바구니 아이템 연관관계 매핑
+	@Builder.Default
 	@OneToMany(mappedBy = "cart", cascade = CascadeType.ALL)
 	private List<CartItem> cartItems = new ArrayList<CartItem>();
 

src/main/java/com/readyvery/readyverydemo/domain/CartItem.java

@@ -16,6 +16,7 @@
 import jakarta.persistence.Table;
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -26,6 +27,7 @@
 @Table(name = "CART_ITEM")
 @AllArgsConstructor
 @Slf4j
+@Builder
 public class CartItem extends BaseTimeEntity {
 
 	@Id
@@ -48,6 +50,7 @@ public class CartItem extends BaseTimeEntity {
 	private Cart cart;
 
 	// 장바구니 아이템 - 장바구니 옵션 연관관계 매핑
+	@Builder.Default
 	@OneToMany(mappedBy = "cartItem", cascade = CascadeType.ALL)
 	private List<CartOption> cartOptions = new ArrayList<CartOption>();
 

src/main/java/com/readyvery/readyverydemo/domain/CartOption.java

@@ -11,6 +11,7 @@
 import jakarta.persistence.Table;
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -21,6 +22,7 @@
 @Table(name = "CART_OPTION")
 @AllArgsConstructor
 @Slf4j
+@Builder
 public class CartOption extends BaseTimeEntity {
 	@Id
 	@GeneratedValue(strategy = GenerationType.IDENTITY)

src/main/java/com/readyvery/readyverydemo/domain/repository/CartItemRepository.java

@@ -0,0 +1,8 @@
+package com.readyvery.readyverydemo.domain.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.readyvery.readyverydemo.domain.CartItem;
+
+public interface CartItemRepository extends JpaRepository<CartItem, Long> {
+}

src/main/java/com/readyvery/readyverydemo/domain/repository/CartOptionRepository.java

@@ -0,0 +1,8 @@
+package com.readyvery.readyverydemo.domain.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.readyvery.readyverydemo.domain.CartOption;
+
+public interface CartOptionRepository extends JpaRepository<CartOption, Long> {
+}

src/main/java/com/readyvery/readyverydemo/domain/repository/CartRepository.java

@@ -0,0 +1,12 @@
+package com.readyvery.readyverydemo.domain.repository;
+
+import java.util.Optional;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.readyvery.readyverydemo.domain.Cart;
+import com.readyvery.readyverydemo.domain.UserInfo;
+
+public interface CartRepository extends JpaRepository<Cart, Long> {
+	Optional<Cart> findByUserInfoAndIsDeletedFalse(UserInfo userInfo);
+}

src/main/java/com/readyvery/readyverydemo/domain/repository/FoodieOptionRepository.java

@@ -0,0 +1,8 @@
+package com.readyvery.readyverydemo.domain.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.readyvery.readyverydemo.domain.FoodieOption;
+
+public interface FoodieOptionRepository extends JpaRepository<FoodieOption, Long> {
+}

src/main/java/com/readyvery/readyverydemo/global/exception/ExceptionCode.java

@@ -5,11 +5,12 @@
 @Getter
 public enum ExceptionCode {
 	STORE_NOT_FOUND(404, "Store does not exists."),
-
 	USER_NOT_FOUND(404, "User does not exists."),
-
-	FOODY_NOT_FOUND(404, "Foody does not exists.");
-
+	FOODY_NOT_FOUND(404, "Foody does not exists."),
+	FOODY_NOT_IN_STORE(400, "Foody does not exists in store."),
+	INVALID_OPTION_COUNT(400, "Invalid option count."),
+	INVALID_OPTION(400, "Invalid option."),
+	OPTION_NOT_FOUND(404, "Option does not exists.");
 
 	private int status;
 	private String message;

src/main/java/com/readyvery/readyverydemo/src/order/OrderController.java

@@ -2,12 +2,18 @@
 
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
+import com.readyvery.readyverydemo.security.jwt.dto.CustomUserDetails;
+import com.readyvery.readyverydemo.src.order.dto.CartAddReq;
+import com.readyvery.readyverydemo.src.order.dto.CartAddRes;
 import com.readyvery.readyverydemo.src.order.dto.FoodyDetailRes;
 
 import lombok.RequiredArgsConstructor;
@@ -26,4 +32,11 @@ public ResponseEntity<FoodyDetailRes> getFoody(
 		FoodyDetailRes foodyDetailRes = orderService.getFoody(storeId, foodyId, inout);
 		return new ResponseEntity<>(foodyDetailRes, HttpStatus.OK);
 	}
+
+	@PostMapping("/cart")
+	public ResponseEntity<CartAddRes> addCart(@AuthenticationPrincipal CustomUserDetails userDetails,
+		@RequestBody CartAddReq cartAddReq) {
+		CartAddRes cartAddRes = orderService.addCart(userDetails, cartAddReq);
+		return new ResponseEntity<>(cartAddRes, HttpStatus.OK);
+	}
 }

src/main/java/com/readyvery/readyverydemo/src/order/OrderService.java

@@ -1,7 +1,12 @@
 package com.readyvery.readyverydemo.src.order;
 
+import com.readyvery.readyverydemo.security.jwt.dto.CustomUserDetails;
+import com.readyvery.readyverydemo.src.order.dto.CartAddReq;
+import com.readyvery.readyverydemo.src.order.dto.CartAddRes;
 import com.readyvery.readyverydemo.src.order.dto.FoodyDetailRes;
 
 public interface OrderService {
 	FoodyDetailRes getFoody(Long storeId, Long foodyId, Long inout);
+
+	CartAddRes addCart(CustomUserDetails userDetails, CartAddReq cartAddReq);
 }

src/main/java/com/readyvery/readyverydemo/src/order/OrderServiceImpl.java

@@ -1,11 +1,31 @@
 package com.readyvery.readyverydemo.src.order;
 
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
 import org.springframework.stereotype.Service;
 
+import com.readyvery.readyverydemo.domain.Cart;
+import com.readyvery.readyverydemo.domain.CartItem;
+import com.readyvery.readyverydemo.domain.CartOption;
 import com.readyvery.readyverydemo.domain.Foodie;
+import com.readyvery.readyverydemo.domain.FoodieOption;
+import com.readyvery.readyverydemo.domain.FoodieOptionCategory;
+import com.readyvery.readyverydemo.domain.Store;
+import com.readyvery.readyverydemo.domain.UserInfo;
+import com.readyvery.readyverydemo.domain.repository.CartItemRepository;
+import com.readyvery.readyverydemo.domain.repository.CartOptionRepository;
+import com.readyvery.readyverydemo.domain.repository.CartRepository;
+import com.readyvery.readyverydemo.domain.repository.FoodieOptionRepository;
 import com.readyvery.readyverydemo.domain.repository.FoodieRepository;
+import com.readyvery.readyverydemo.domain.repository.StoreRepository;
+import com.readyvery.readyverydemo.domain.repository.UserRepository;
 import com.readyvery.readyverydemo.global.exception.BusinessLogicException;
 import com.readyvery.readyverydemo.global.exception.ExceptionCode;
+import com.readyvery.readyverydemo.security.jwt.dto.CustomUserDetails;
+import com.readyvery.readyverydemo.src.order.dto.CartAddReq;
+import com.readyvery.readyverydemo.src.order.dto.CartAddRes;
 import com.readyvery.readyverydemo.src.order.dto.FoodyDetailRes;
 import com.readyvery.readyverydemo.src.order.dto.OrderMapper;
 
@@ -14,7 +34,13 @@
 @Service
 @RequiredArgsConstructor
 public class OrderServiceImpl implements OrderService {
+	private final CartRepository cartRepository;
+	private final CartItemRepository cartItemRepository;
+	private final CartOptionRepository cartOptionRepository;
 	private final FoodieRepository foodieRepository;
+	private final FoodieOptionRepository foodieOptionRepository;
+	private final UserRepository userRepository;
+	private final StoreRepository storeRepository;
 	private final OrderMapper orderMapper;
 
 	@Override
@@ -24,4 +50,115 @@ public FoodyDetailRes getFoody(Long storeId, Long foodyId, Long inout) {
 		);
 		return orderMapper.foodieToFoodyDetailRes(foodie, inout);
 	}
+
+	@Override
+	public CartAddRes addCart(CustomUserDetails userDetails, CartAddReq cartAddReq) {
+		UserInfo user = getUserInfo(userDetails);
+		Store store = getStore(cartAddReq.getStoreId());
+		Foodie foodie = getFoody(cartAddReq.getFoodieId());
+
+		verifyFoodieInStore(store, foodie);
+		verifyCartAddReq(foodie, cartAddReq);
+
+		Cart cart = cartRepository.findByUserInfoAndIsDeletedFalse(user).orElseGet(() -> makeCart(user, store));
+		CartItem cartItem = makeCartItem(cart, foodie, cartAddReq.getCount());
+		List<CartOption> cartOptions = cartAddReq.getOptions().stream()
+			.map(option -> makeCartOption(cartItem, option))
+			.toList();
+
+		cartRepository.save(cart);
+		cartItemRepository.save(cartItem);
+		cartOptionRepository.saveAll(cartOptions);
+
+		return orderMapper.cartToCartAddRes(cartItem);
+	}
+
+	private CartOption makeCartOption(CartItem cartItem, Long option) {
+		FoodieOption foodieOption = getFoodieOption(option);
+		return CartOption.builder()
+			.cartItem(cartItem)
+			.foodieOption(foodieOption)
+			.build();
+	}
+
+	private FoodieOption getFoodieOption(Long option) {
+		return foodieOptionRepository.findById(option).orElseThrow(
+			() -> new BusinessLogicException(ExceptionCode.OPTION_NOT_FOUND)
+		);
+	}
+
+	private CartItem makeCartItem(Cart cart, Foodie foodie, Long count) {
+		return CartItem.builder()
+			.cart(cart)
+			.foodie(foodie)
+			.count(count)
+			.build();
+	}
+
+	private Cart makeCart(UserInfo user, Store store) {
+		return Cart.builder()
+			.userInfo(user)
+			.store(store)
+			.build();
+	}
+
+	private UserInfo getUserInfo(CustomUserDetails userDetails) {
+		return userRepository.findById(userDetails.getId()).orElseThrow(
+			() -> new BusinessLogicException(ExceptionCode.USER_NOT_FOUND)
+		);
+	}
+
+	private Store getStore(Long storeId) {
+		return storeRepository.findById(storeId).orElseThrow(
+			() -> new BusinessLogicException(ExceptionCode.STORE_NOT_FOUND)
+		);
+	}
+
+	private void verifyCartAddReq(Foodie foodie, CartAddReq cartAddReq) {
+		verifyOption(foodie, cartAddReq.getOptions());
+		verifyEssentialOption(foodie, cartAddReq.getOptions());
+	}
+
+	private Foodie getFoody(Long foodieId) {
+		return foodieRepository.findById(foodieId).orElseThrow(
+			() -> new BusinessLogicException(ExceptionCode.FOODY_NOT_FOUND)
+		);
+	}
+
+	private void verifyFoodieInStore(Store store, Foodie foodie) {
+		boolean isFoodieInStore = foodie.getFoodieCategory().getStore().equals(store);
+		if (!isFoodieInStore) {
+			throw new BusinessLogicException(ExceptionCode.FOODY_NOT_IN_STORE);
+		}
+	}
+
+	private void verifyOption(Foodie foodie, List<Long> opotions) {
+		// foodie안에 있는 옵션들을 Set으로 만들기
+		Set<Long> optionSet = foodie.getFoodieOptionCategory().stream()
+			.flatMap(foodieOptionCategory -> foodieOptionCategory.getFoodieOptions().stream())
+			.map(FoodieOption::getId)
+			.collect(Collectors.toSet());
+
+		// 옵션들이 올바른지 확인
+		opotions.stream()
+			.filter(option -> !optionSet.contains(option))
+			.findAny()
+			.ifPresent(option -> {
+				throw new BusinessLogicException(ExceptionCode.INVALID_OPTION);
+			});
+	}
+
+	private void verifyEssentialOption(Foodie foodie, List<Long> options) {
+		foodie.getFoodieOptionCategory().stream()
+			.filter(FoodieOptionCategory::isRequired)
+			.collect(Collectors.toSet()).stream()
+			.filter(foodieOptionCategory -> foodieOptionCategory.getFoodieOptions().stream()
+				.map(FoodieOption::getId)
+				.filter(options::contains)
+				.count() != 1)  // 필수 값이 1개가 아닌 경우
+			.findAny()
+			.ifPresent(foodieOptionCategory -> {
+				throw new BusinessLogicException(ExceptionCode.INVALID_OPTION_COUNT);
+			});
+	}
 }

src/main/java/com/readyvery/readyverydemo/src/order/dto/CartAddReq.java

@@ -0,0 +1,13 @@
+package com.readyvery.readyverydemo.src.order.dto;
+
+import java.util.List;
+
+import lombok.Getter;
+
+@Getter
+public class CartAddReq {
+	private Long storeId;
+	private Long foodieId;
+	private List<Long> options;
+	private Long count;
+}

src/main/java/com/readyvery/readyverydemo/src/order/dto/CartAddRes.java

@@ -0,0 +1,10 @@
+package com.readyvery.readyverydemo.src.order.dto;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class CartAddRes {
+	private Long cartItemId;
+}

src/main/java/com/readyvery/readyverydemo/src/order/dto/OrderMapper.java

@@ -6,6 +6,7 @@
 
 import org.springframework.stereotype.Component;
 
+import com.readyvery.readyverydemo.domain.CartItem;
 import com.readyvery.readyverydemo.domain.Foodie;
 import com.readyvery.readyverydemo.domain.FoodieOption;
 import com.readyvery.readyverydemo.domain.FoodieOptionCategory;
@@ -56,4 +57,10 @@ private FoodyOptionDto foodyOptionToOptionDto(FoodieOption option) {
 			.price(option.getPrice())
 			.build();
 	}
+
+	public CartAddRes cartToCartAddRes(CartItem cartItem) {
+		return CartAddRes.builder()
+			.cartItemId(cartItem.getId())
+			.build();
+	}
 }

src/main/resources/application.properties

@@ -1,7 +1,8 @@
 spring.datasource.url=jdbc:mysql://localhost:3306/readyvery
 spring.datasource.username=root
 spring.datasource.password=12345678
-spring.jpa.hibernate.ddl-auto=create
+spring.jpa.hibernate.ddl-auto=update
+spring.jpa.show-sql=true
 spring.jackson.serialization.fail-on-empty-beans=false
 # JWT Configuration
 jwt.secretKey=Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkw