添加获取订单接口

src/main/java/com/example/takeawaysystemserver/controller/OrderController.java

@@ -1,6 +1,8 @@
 package com.example.takeawaysystemserver.controller;
 
+import com.example.takeawaysystemserver.entity.OrderItem;
 import com.example.takeawaysystemserver.entity.OrderList;
+import com.example.takeawaysystemserver.model.vo.OrderVO;
 import com.example.takeawaysystemserver.service.OrderService;
 import com.example.takeawaysystemserver.util.R;
 import io.swagger.annotations.Api;
@@ -8,6 +10,8 @@ import io.swagger.annotations.ApiOperation;
 import jakarta.annotation.Resource;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+
 /**
  * @author Ethereal
  * @date 2024/7/12
@@ -27,4 +31,9 @@ public class OrderController {
         return orderService.addOrders(token, order);
     }
 
+    @GetMapping("get")
+    @ApiOperation(value = "获取订单信息")
+    public R<List<OrderVO>> getOrders(@RequestHeader String token){
+        return orderService.getOrders(token);
+    }
 }

src/main/java/com/example/takeawaysystemserver/model/vo/DishVO.java

@@ -0,0 +1,21 @@
+package com.example.takeawaysystemserver.model.vo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @author Ethereal
+ * @date 2024/7/13
+ * @description
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class DishVO {
+    private Integer dishId;
+    private String dishName;
+    private Integer price;
+    private Integer count;
+    private Integer amount;
+}

src/main/java/com/example/takeawaysystemserver/model/vo/OrderVO.java

@@ -0,0 +1,44 @@
+package com.example.takeawaysystemserver.model.vo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+/**
+ * @author Ethereal
+ * @date 2024/7/13
+ * @description
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class OrderVO {
+
+    /**
+     * 菜品id
+     */
+    private Integer shopId;
+
+    /**
+     * 菜品名
+     */
+    private String shopName;
+
+    /**
+     * 订单id
+     */
+    private Long orderId;
+
+    /**
+     * 总价
+     */
+    private Integer price;
+
+    /**
+     * 菜品VO
+     */
+    private List<DishVO> dishes;
+
+}

src/main/java/com/example/takeawaysystemserver/service/OrderService.java

@@ -2,8 +2,11 @@ package com.example.takeawaysystemserver.service;
 
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.example.takeawaysystemserver.entity.OrderList;
+import com.example.takeawaysystemserver.model.vo.OrderVO;
 import com.example.takeawaysystemserver.util.R;
 
+import java.util.List;
+
 /**
 * @author qiushengyu
 * @description 针对表【order】的数据库操作Service
@@ -13,7 +16,15 @@ public interface OrderService extends IService<OrderList> {
     /**
      * 添加订单
      * @param order 订单类
+     * @param token 用户token
      * @return 添加信息
      */
     R<String> addOrders(String token, OrderList order);
+
+    /**
+     * 获取订单
+     * @param token 用户token
+     * @return 订单信息
+     */
+    R<List<OrderVO>> getOrders(String token);
 }

src/main/java/com/example/takeawaysystemserver/service/impl/OrderServiceImpl.java

@@ -5,17 +5,17 @@ import com.baomidou.mybatisplus.core.toolkit.IdWorker;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.example.takeawaysystemserver.constant.CommonStatusConstant;
 import com.example.takeawaysystemserver.entity.*;
-import com.example.takeawaysystemserver.mapper.OrderItemMapper;
-import com.example.takeawaysystemserver.service.*;
 import com.example.takeawaysystemserver.mapper.OrderMapper;
+import com.example.takeawaysystemserver.model.vo.DishVO;
+import com.example.takeawaysystemserver.model.vo.OrderVO;
+import com.example.takeawaysystemserver.service.*;
 import com.example.takeawaysystemserver.util.R;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
 import java.util.List;
-import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.stream.Collectors;
 
 /**
 * @author qiushengyu
@@ -40,6 +40,12 @@ public class OrderServiceImpl extends ServiceImpl<OrderMapper, OrderList>
     @Resource
     private OrderItemService orderItemService;
 
+    @Resource
+    private DishService dishService;
+
+    @Resource
+    private ShopService shopService;
+
     @Override
     public R<String> addOrders(String token, OrderList order) {
         Integer id = Integer.parseInt(userServiceImpl.getUserId(token));
@@ -94,6 +100,41 @@ public class OrderServiceImpl extends ServiceImpl<OrderMapper, OrderList>
 
         return R.ok("添加成功");
     }
+
+    @Override
+    public R<List<OrderVO>> getOrders(String token) {
+        Integer id = Integer.parseInt(userServiceImpl.getUserId(token));
+        LambdaQueryWrapper<OrderList> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(OrderList::getUserId,id);
+        List<OrderList> orderLists = list(wrapper);
+
+        List<OrderVO> orders = orderLists.stream().map((item) -> {
+            OrderVO orderVO = new OrderVO();
+            LambdaQueryWrapper<OrderItem> wrapper1 = new LambdaQueryWrapper<>();
+            wrapper1.eq(OrderItem::getOrderId, item.getId());
+            List<OrderItem> orderItems = orderItemService.list(wrapper1);
+            List<DishVO> dishVos = new ArrayList<>();
+            int amount = 0;
+            for (OrderItem orderItem : orderItems) {
+                LambdaQueryWrapper<Dish> dishes = new LambdaQueryWrapper<>();
+                dishes.eq(Dish::getId, orderItem.getDishId());
+                String name = dishService.getOne(dishes).getName();
+                int i = orderItem.getPrice() * orderItem.getCount();
+                DishVO dishVO = new DishVO(orderItem.getDishId(),name,orderItem.getPrice(),orderItem.getCount(),i);
+                dishVos.add(dishVO);
+                amount += i;
+            }
+            String shopName = shopService.getById(item.getShopId()).getName();
+            orderVO.setShopName(shopName);
+            orderVO.setShopId(item.getShopId());
+            orderVO.setOrderId(item.getId());
+            orderVO.setDishes(dishVos);
+            orderVO.setPrice(amount);
+            return orderVO;
+        }).toList();
+
+        return R.ok(orders);
+    }
 }