[#45] 주문기능 제작

src/main/java/com/delfood/config/RedisConfig.java

@@ -4,7 +4,9 @@
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import java.sql.SQLException;
 import java.time.Duration;
+import javax.sql.DataSource;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -17,6 +19,9 @@
 import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
 import org.springframework.data.redis.serializer.RedisSerializationContext;
 import org.springframework.data.redis.serializer.StringRedisSerializer;
+import org.springframework.jdbc.datasource.DataSourceTransactionManager;
+import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
 
 @Configuration
 public class RedisConfig {
@@ -29,7 +34,7 @@ public class RedisConfig {
   @Value("${spring.redis.password}")
   private String redisPwd;
 
-  @Value("${spring.redis.defaultExpireSecond}")
+  @Value("${default.expire.second}")
   private long defaultExpireSecond;
 
 
@@ -90,7 +95,8 @@ public RedisTemplate<String, Object> redisTemplate(ObjectMapper objectMapper) {
     redisTemplate.setValueSerializer(serializer);
     redisTemplate.setHashKeySerializer(new StringRedisSerializer());
     redisTemplate.setHashValueSerializer(serializer);
-
+    redisTemplate.setEnableTransactionSupport(true); // transaction 허용
+
     return redisTemplate;
   }
 
@@ -125,5 +131,6 @@ public RedisCacheManager redisCacheManager(RedisConnectionFactory redisConnectio
     return RedisCacheManager.RedisCacheManagerBuilder.fromConnectionFactory(redisConnectionFactory)
         .cacheDefaults(configuration).build();
   }
-
+
+
 }

src/main/java/com/delfood/controller/CartControllelr.java

@@ -0,0 +1,66 @@
+package com.delfood.controller;
+
+import com.delfood.aop.MemberLoginCheck;
+import com.delfood.dto.ItemDTO;
+import com.delfood.service.CartService;
+import com.delfood.utils.SessionUtil;
+import java.util.List;
+import javax.servlet.http.HttpSession;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.DeleteMapping;
+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.RestController;
+
+@RestController
+public class CartControllelr {
+
+  @Autowired
+  private CartService cartService;
+
+  @PostMapping("/members/cart/menus")
+  @MemberLoginCheck
+  public void addMenu(@RequestBody ItemDTO item, HttpSession session) {
+    cartService.addOrdersItem(item, SessionUtil.getLoginMemberId(session));
+  }
+
+  @GetMapping("/members/cart/menus")
+  @MemberLoginCheck
+  public List<ItemDTO> getCart(HttpSession session) {
+    return cartService.getItems(SessionUtil.getLoginMemberId(session));
+  }
+
+  @DeleteMapping("/members/cart/menus")
+  @MemberLoginCheck
+  public void clearCart(HttpSession session) {
+    cartService.claer(SessionUtil.getLoginMemberId(session));
+  }
+
+  @DeleteMapping("/members/cart/menus/{index}")
+  @MemberLoginCheck
+  public void deleteCartMenu(HttpSession session, @PathVariable long index) {
+    cartService.deleteCartMenu(SessionUtil.getLoginMemberId(session), index);
+  }
+
+  @GetMapping("/members/cart/price")
+  @MemberLoginCheck
+  public CartPriceResponse cartPrice(HttpSession session) {
+    String memberId = SessionUtil.getLoginMemberId(session);
+    return new CartPriceResponse(cartService.getItems(memberId), cartService.allPrice(memberId));
+  }
+
+
+
+  // Response
+  @Getter
+  @AllArgsConstructor
+  private static class CartPriceResponse {
+    private List<ItemDTO> items;
+    private long totalPrice;
+  }
+
+}

src/main/java/com/delfood/controller/OrderController.java

@@ -0,0 +1,142 @@
+package com.delfood.controller;
+
+import com.delfood.aop.MemberLoginCheck;
+import com.delfood.controller.response.OrderResponse;
+import com.delfood.dto.ItemsBillDTO;
+import com.delfood.dto.OrderDTO;
+import com.delfood.dto.OrderItemDTO;
+import com.delfood.error.exception.order.TotalPriceMismatchException;
+import com.delfood.dto.OrderBillDTO;
+import com.delfood.service.OrderService;
+import com.delfood.utils.SessionUtil;
+import java.util.List;
+import javax.servlet.http.HttpSession;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.extern.log4j.Log4j2;
+import org.codehaus.commons.nullanalysis.Nullable;
+import org.springframework.beans.factory.annotation.Autowired;
+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.RestController;
+
+@RestController
+@RequestMapping("/orders/")
+@Log4j2
+public class OrderController {
+
+  @Autowired
+  OrderService orderService;
+
+  /**
+   * 아이템들의 가격과 정보를 조회한다.
+   * @author jun
+   * @param items 가격을 계산할 아이템들
+   * @return
+   */
+  @GetMapping("price")
+  @MemberLoginCheck
+  public long getItemsBill(HttpSession session, @RequestBody List<OrderItemDTO> items) {
+    return orderService.totalPrice(SessionUtil.getLoginMemberId(session), items);
+  }
+
+  /**
+   * 주문 정보를 조회한다. 주문한 메뉴, 옵션, 가격 등의 정보를 조회할 수 있다.
+   * @author jun
+   * @param orderId 주문번호
+   * @return
+   */
+  @GetMapping("{orderId}/bill")
+  @MemberLoginCheck
+  public OrderBillDTO orderInfo(@PathVariable("orderId") Long orderId) {
+    return orderService.getPreOrderBill(orderId);
+  }
+
+  /**
+   * 주문을 진행한다.
+   * 클라이언트에서 계산한 총 가격과 서버에서 계산한 총 가격이 다를 시 에러를 발생시킨다.
+   * @param session 사용자의 세션
+   * @param request 주문 정보
+   * @return
+   */
+  @PostMapping
+  @MemberLoginCheck
+  public OrderResponse order(HttpSession session, @RequestBody OrderRequest request) {
+    if (request.getItems().isEmpty()) {
+      // items가 null일때도 NullpointerException이 발생한다
+      throw new NullPointerException("아이템이 없습니다.");
+    }
+
+    // 해당 아이템들이 해당 매장의 것인지 검증
+    if (orderService.isShopItems(request.getItems(), request.getShopId()) == false) {
+      log.error("주문하신 매장의 메뉴 또는 옵션이 아닙니다.");
+      throw new IllegalArgumentException("주문하신 매장의 메뉴 또는 옵션이 아닙니다.");
+    }    
+    // 클라이언트가 계산한 금액과 서버에서 계산한 금액이 같은지 비교
+    long totalPriceFromServer =
+        orderService.totalPrice(SessionUtil.getLoginMemberId(session), request.getItems());
+    if (totalPriceFromServer != request.getTotalPrice()) {
+      log.error("Total Price Mismatch! client price : {}, server price : {}",
+          request.getTotalPrice(),
+          totalPriceFromServer);
+      throw new TotalPriceMismatchException("Total Price Mismatch!");
+    }
+
+    return orderService.order(SessionUtil.getLoginMemberId(session), request.getItems(),
+        request.getShopId());
+  }
+
+  /**
+   * 아이템 리스트들을 상세하게 계산서로 발행한다.
+   * @param session 사용자의 세션
+   * @param items 주문하기 전 아이템들
+   * @return
+   */
+  @GetMapping("bill")
+  @MemberLoginCheck
+  public ItemsBillDTO getBill(HttpSession session, @RequestBody List<OrderItemDTO> items) {
+    return orderService.getBill(SessionUtil.getLoginMemberId(session), items);
+  }
+
+  /**
+   * 회원 주문내역을 모두 조회한다.
+   * 추후 페이징 추가 해야한다.
+   * @author jun
+   * @param session 사용자의 세션
+   * @return
+   */
+  @GetMapping
+  @MemberLoginCheck
+  public List<OrderDTO> myOrders(HttpSession session, @Nullable Long lastViewedOrderId) {
+    return orderService.getMemberOrder(SessionUtil.getLoginMemberId(session), lastViewedOrderId);
+  }
+
+  /**
+   * 주문 번호를 기반으로 주문 상세내역을 조회한다.
+   * 추후 해당 회원의 주문인지 확인하는 로직을 작성해야한다.
+   * @param session 사용자의 세션
+   * @param orderId 주문 아이디
+   * @return
+   */
+  @GetMapping("{orderId}")
+  @MemberLoginCheck
+  public OrderDTO getOrder(HttpSession session, @PathVariable Long orderId) {
+    OrderDTO orderInfo = orderService.getOrder(orderId);
+    String memberId = SessionUtil.getLoginMemberId(session);
+    if (memberId.equals(orderInfo.getMemberId()) == false) {
+      throw new IllegalArgumentException("해당 회원의 주문이 아닙니다!");
+    }
+    return orderInfo;
+  }
+
+  // request
+  @Getter
+  private static class OrderRequest {
+    private Long shopId;
+    private List<OrderItemDTO> items;
+    private long totalPrice;
+  }
+}

src/main/java/com/delfood/controller/response/OrderResponse.java

@@ -0,0 +1,12 @@
+package com.delfood.controller.response;
+
+import com.delfood.dto.ItemsBillDTO;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class OrderResponse {
+  ItemsBillDTO bill;
+  Long orderId;
+}