完善了订单类

src/main/java/com/cultural/heritage/controller/good/CartRecordController.java

@@ -0,0 +1,110 @@
+package com.cultural.heritage.controller.good;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.cultural.heritage.common.BaseResponse;
+import com.cultural.heritage.common.ErrorCode;
+import com.cultural.heritage.common.ResultUtils;
+import com.cultural.heritage.exception.BusinessException;
+import com.cultural.heritage.exception.ThrowUtils;
+import com.cultural.heritage.model.dto.CommonRequest;
+import com.cultural.heritage.model.dto.cart.CartRecordAddRequest;
+import com.cultural.heritage.model.dto.cart.CartRecordUpdateRequest;
+import com.cultural.heritage.model.entity.CartRecord;
+import com.cultural.heritage.model.vo.CartRecordVO;
+import com.cultural.heritage.service.good.CartRecordService;
+import com.cultural.heritage.service.good.GoodService;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.BeanUtils;
+import org.springframework.util.CollectionUtils;
+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;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/cart")
+@Slf4j
+@Tag(name = "购物车接口")
+public class CartRecordController {
+
+
+    @Resource
+    private CartRecordService cartRecordService;
+
+
+
+    /**
+     * 用户添加商品至购物车
+     * @param cartRecordAddRequest  购物车记录添加请求体
+     * @return  是否添加成功
+     */
+    @PostMapping("/add")
+    public BaseResponse<Boolean> addCartRecord(@RequestBody CartRecordAddRequest cartRecordAddRequest) {
+        if (cartRecordAddRequest == null) {
+            throw new BusinessException(ErrorCode.PARAMS_ERROR);
+        }
+        boolean result = cartRecordService.dealAlreadyExistGood(cartRecordAddRequest);
+        return ResultUtils.success(result);
+    }
+
+
+    /**
+     * 用户更新商品至购物车
+     * @param cartRecordUpdateRequestList   购物车记录列表更新请求体
+     * @return  是否更新成功
+     */
+    @PostMapping("/update")
+    public BaseResponse<Boolean> updateCartRecord(@RequestBody List<CartRecordUpdateRequest> cartRecordUpdateRequestList) {
+        if (CollectionUtils.isEmpty(cartRecordUpdateRequestList)) {
+            throw new BusinessException(ErrorCode.PARAMS_ERROR);
+        }
+        List<CartRecord> cartRecordList = cartRecordUpdateRequestList.stream().map(cartRecordUpdateRequest -> {
+            CartRecord cartRecord = new CartRecord();
+            BeanUtils.copyProperties(cartRecordUpdateRequest, cartRecord);
+            return cartRecord;
+        }).toList();
+        boolean result = cartRecordService.updateBatchById(cartRecordList);
+        ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
+        return ResultUtils.success(true);
+    }
+
+
+    /**
+     * 用户删除购物车的物品
+     * @param idList  删除的商品id列表
+     * @return 是否删除成功
+     */
+    @PostMapping("/delete")
+    public BaseResponse<Boolean> deleteCart(@RequestBody List<Integer> idList) {
+        if (CollectionUtils.isEmpty(idList)) {
+            throw new BusinessException(ErrorCode.PARAMS_ERROR);
+        }
+        boolean result = cartRecordService.removeBatchByIds(idList);
+        ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
+        return ResultUtils.success(true);
+    }
+
+
+    /**
+     * 展示用户购物车中的商品
+     * @param userIdRequest  用户id请求体
+     * @return
+     */
+    @PostMapping("/list")
+    public BaseResponse<List<CartRecordVO>> listUserCartRecord(@RequestBody CommonRequest userIdRequest) {
+        if (userIdRequest == null || userIdRequest.getId() <= 0) {
+            throw new BusinessException(ErrorCode.PARAMS_ERROR);
+        }
+        // 根据用户id查询购物车记录
+        Long userId = userIdRequest.getId();
+        QueryWrapper<CartRecord> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("userId", userId);
+        List<CartRecord> list = cartRecordService.list(queryWrapper);
+        List<CartRecordVO> cartRecordVOList = cartRecordService.transformToCartRecordVOList(list);
+        return ResultUtils.success(cartRecordVOList);
+    }
+}

src/main/java/com/cultural/heritage/model/dto/cart/CartRecordAddRequest.java

@@ -0,0 +1,36 @@
+package com.cultural.heritage.model.dto.cart;
+
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+import java.math.BigDecimal;
+
+@Data
+public class CartRecordAddRequest implements Serializable {
+
+    /**
+     * 用户id
+     */
+    private Long userId;
+
+    /**
+     * 商品id
+     */
+    private Long goodId;
+
+    /**
+     * 数量
+     */
+    private Integer quantity;
+
+    /**
+     * 小计
+     */
+    private Double subtotal;
+
+
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/cultural/heritage/model/dto/cart/CartRecordUpdateRequest.java

@@ -0,0 +1,41 @@
+package com.cultural.heritage.model.dto.cart;
+
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.Date;
+
+@Data
+public class CartRecordUpdateRequest implements Serializable {
+
+    /**
+     * 购物车记录id
+     */
+    private Long id;
+
+    /**
+     * 用户id
+     */
+    private Long userId;
+
+    /**
+     * 商品id
+     */
+    private Long goodId;
+
+    /**
+     * 数量
+     */
+    private Integer quantity;
+
+    /**
+     * 小计
+     */
+    private Double subtotal;
+
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/cultural/heritage/model/dto/snapshot/AddressSnapshot.java

@@ -0,0 +1,42 @@
+package com.cultural.heritage.model.dto.snapshot;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+import java.util.Date;
+
+@Data
+public class AddressSnapshot implements Serializable {
+
+
+    /**
+     * 联系人
+     */
+    private String name;
+
+
+    /**
+     * 手机号
+     */
+    private String phone;
+
+
+    /**
+     * 地区
+     */
+    private String region;
+
+
+    /**
+     * 详细地址
+     */
+    private String detailAddress;
+
+
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/cultural/heritage/model/dto/snapshot/ContactsSnapshot.java

@@ -0,0 +1,27 @@
+package com.cultural.heritage.model.dto.snapshot;
+
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+
+@Data
+public class ContactsSnapshot implements Serializable {
+
+
+    /**
+     * 联系人姓名
+     */
+    private String name;
+
+
+    /**
+     * 联系人手机号
+     */
+    private String phone;
+
+
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/cultural/heritage/model/dto/snapshot/CouponSnapshot.java

@@ -0,0 +1,57 @@
+package com.cultural.heritage.model.dto.snapshot;
+
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+import java.util.Date;
+
+@Data
+public class CouponSnapshot implements Serializable {
+
+    /**
+     * 优惠券名称
+     */
+    private String name;
+
+    /**
+     * 满减金额
+     */
+    private Double conditionAmount;
+
+
+    /**
+     * 优惠券简介
+     */
+    private String intro;
+
+    /**
+     * 优惠券图片
+     */
+    private String image;
+
+    /**
+     * 有效开始日期
+     */
+    private Date startTime;
+
+
+    /**
+     * 有效截止日期
+     */
+    private Date endTime;
+
+    /**
+     * 作用范围
+     */
+    private String useScope;
+
+    /**
+     * 使用说明
+     */
+    private String description;
+
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/cultural/heritage/model/dto/snapshot/GoodSnapshot.java

@@ -0,0 +1,75 @@
+package com.cultural.heritage.model.dto.snapshot;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+import java.util.Date;
+
+@Data
+public class GoodSnapshot implements Serializable {
+
+
+    /**
+     * 商品名
+     */
+    private String name;
+
+    /**
+     * 商品类型
+     */
+    private String type;
+
+    /**
+     * 商品价格
+     */
+    private Double price;
+
+    /**
+     * 商品图片
+     */
+    private String goodImg;
+
+    /**
+     * 商品简介
+     */
+    private String intro;
+
+    /**
+     * 商品详情简介
+     */
+    private String introDetail;
+
+    /**
+     * 商品详情图片
+     */
+    private String detailImg;
+
+    /**
+     * 商品标签
+     */
+    private String label;
+
+
+    /**
+     * 是否是商品类型
+     */
+    private Integer isGoodType;
+
+    /**
+     * 节日限定序号
+     */
+    private Integer festivalOrder;
+
+    /**
+     * 预约日期
+     */
+    private String reserveDate;
+
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/cultural/heritage/model/entity/CartRecord.java

@@ -5,7 +5,6 @@ import lombok.Data;
 
 import java.io.Serial;
 import java.io.Serializable;
-import java.math.BigDecimal;
 import java.util.Date;
 
 /**
@@ -40,7 +39,7 @@ public class CartRecord implements Serializable {
     /**
      * 小计
      */
-    private BigDecimal subtotal;
+    private Double subtotal;
 
 
     /**

src/main/java/com/cultural/heritage/model/entity/Order.java

@@ -0,0 +1,89 @@
+package com.cultural.heritage.model.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.cultural.heritage.model.dto.snapshot.AddressSnapshot;
+import com.cultural.heritage.model.dto.snapshot.ContactsSnapshot;
+import com.cultural.heritage.model.dto.snapshot.CouponSnapshot;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+import java.util.Date;
+
+
+/**
+ * 订单
+ * @TableName  order_total
+ */
+@Data
+@TableName("order_total")
+public class Order implements Serializable {
+
+
+    /**
+     * 订单id
+     */
+    @TableId(type = IdType.AUTO)
+    private Long id;
+
+
+    /**
+     * 用户id
+     */
+    private Long userId;
+
+
+    /**
+     * 地址信息快照
+     */
+    private AddressSnapshot addressSnapshot;
+
+
+    /**
+     * 联系人信息快照
+     */
+    private ContactsSnapshot contactsSnapshot;
+
+    /**
+     * 优惠券信息快照
+     */
+    private CouponSnapshot couponSnapshot;
+
+
+    /**
+     * 订单总金额
+     */
+    private Double totalAmount;
+
+    /**
+     * 订单状态
+     */
+    private String orderStatus;
+
+
+    /**
+     * 创建时间
+     */
+    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    private Date createTime;
+
+
+    /**
+     * 更新时间
+     */
+    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    private Date updateTime;
+
+
+    /**
+     * 是否删除
+     */
+    private Integer isDelete;
+
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/cultural/heritage/model/entity/OrderItem.java

@@ -0,0 +1,57 @@
+package com.cultural.heritage.model.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.cultural.heritage.model.dto.snapshot.GoodSnapshot;
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+
+/**
+ * 订单明细
+ * @TableName   order_item
+ */
+@Data
+public class OrderItem implements Serializable {
+
+    /**
+     * 订单明细id
+     */
+    @TableId(type = IdType.AUTO)
+    private Long id;
+
+
+    /**
+     * 关联的订单id
+     */
+    private Long orderId;
+
+
+    /**
+     * 商品信息快照
+     */
+    private GoodSnapshot goodSnapshot;
+
+
+    /**
+     * 商品单价快照
+     */
+    private Double priceSnapshot;
+
+
+    /**
+     * 购买数量
+     */
+    private Integer quantity;
+
+
+    /**
+     * 订单项金额（单价 * 数量）
+     */
+    private Double itemTotalAmount;
+
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/cultural/heritage/model/vo/CartRecordVO.java

@@ -0,0 +1,48 @@
+package com.cultural.heritage.model.vo;
+
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+import java.util.Date;
+import java.util.List;
+
+@Data
+public class CartRecordVO implements Serializable {
+
+
+    /**
+     * 购物车记录id
+     */
+    private Long id;
+
+    /**
+     * 用户id
+     */
+    private Long userId;
+
+    /**
+     * 商品id
+     */
+    private Long goodId;
+
+    /**
+     * 数量
+     */
+    private Integer quantity;
+
+    /**
+     * 小计
+     */
+    private Double subtotal;
+
+
+    /**
+     * 购物车商品详情信息
+     */
+    private GoodVO goodVO;
+
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/cultural/heritage/model/vo/GoodVO.java

@@ -0,0 +1,49 @@
+package com.cultural.heritage.model.vo;
+
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+
+@Data
+public class GoodVO implements Serializable {
+
+    /**
+     * 商品编号
+     */
+    private Long id;
+
+    /**
+     * 商品名
+     */
+    private String name;
+
+    /**
+     * 商品类型
+     */
+    private String type;
+
+    /**
+     * 商品价格
+     */
+    private Double price;
+
+    /**
+     * 商品图片
+     */
+    private String goodImg;
+
+
+    /**
+     * 商品标签
+     */
+    private String label;
+
+    /**
+     * 预约日期
+     */
+    private String reserveDate;
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/cultural/heritage/service/good/CartRecordService.java

@@ -1,8 +1,22 @@
 package com.cultural.heritage.service.good;
 
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.cultural.heritage.model.dto.cart.CartRecordAddRequest;
 import com.cultural.heritage.model.entity.CartRecord;
+import com.cultural.heritage.model.vo.CartRecordVO;
+
+import java.util.List;
 
 public interface CartRecordService extends IService<CartRecord> {
 
+    /**
+     * 处理用户购物车已存在该商品
+     */
+    boolean dealAlreadyExistGood(CartRecordAddRequest cartRecordAddRequest);
+
+
+    /**
+     * 封装用户购物车中的商品信息
+     */
+    List<CartRecordVO> transformToCartRecordVOList(List<CartRecord> list);
 }

src/main/java/com/cultural/heritage/service/good/impl/CartRecordServiceImpl.java

@@ -1,4 +1,76 @@
 package com.cultural.heritage.service.good.impl;
 
-public class CartRecordServiceImpl {
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.cultural.heritage.common.ErrorCode;
+import com.cultural.heritage.exception.ThrowUtils;
+import com.cultural.heritage.mapper.CartRecordMapper;
+import com.cultural.heritage.mapper.GoodMapper;
+import com.cultural.heritage.model.dto.cart.CartRecordAddRequest;
+import com.cultural.heritage.model.entity.CartRecord;
+import com.cultural.heritage.model.entity.Good;
+import com.cultural.heritage.model.vo.CartRecordVO;
+import com.cultural.heritage.model.vo.GoodVO;
+import com.cultural.heritage.service.good.CartRecordService;
+import jakarta.annotation.Resource;
+import org.springframework.beans.BeanUtils;
+import org.springframework.stereotype.Service;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+@Service
+public class CartRecordServiceImpl extends ServiceImpl<CartRecordMapper, CartRecord> implements CartRecordService {
+
+
+    @Resource
+    private GoodMapper goodMapper;
+
+
+    /**
+     * 处理用户购物车已存在该商品
+     */
+    @Override
+    public boolean dealAlreadyExistGood(CartRecordAddRequest cartRecordAddRequest) {
+        Long userId = cartRecordAddRequest.getUserId();
+        Long goodId = cartRecordAddRequest.getGoodId();
+        QueryWrapper<CartRecord> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("userId", userId);
+        queryWrapper.eq("goodId", goodId);
+        CartRecord cartRecord = this.baseMapper.selectOne(queryWrapper);
+        if (cartRecord != null) {
+            cartRecord.setQuantity(cartRecord.getQuantity() + cartRecordAddRequest.getQuantity());
+            cartRecord.setSubtotal(cartRecord.getSubtotal() + cartRecordAddRequest.getSubtotal());
+            boolean result = this.updateById(cartRecord);
+            ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
+        } else {
+            BeanUtils.copyProperties(cartRecordAddRequest, cartRecord);
+            boolean result = this.save(cartRecord);
+            ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
+        }
+        return true;
+    }
+
+    /**
+     * 封装用户购物车中的商品信息
+     */
+    @Override
+    public List<CartRecordVO> transformToCartRecordVOList(List<CartRecord> list) {
+        return list.stream().map(cartRecord -> {
+            // 封装购物车记录VO
+            CartRecordVO cartRecordVO = new CartRecordVO();
+            BeanUtils.copyProperties(cartRecord, cartRecordVO);
+
+            // 封装商品类GoodVO
+            Long goodId = cartRecord.getGoodId();
+            QueryWrapper<Good> queryWrapper = new QueryWrapper<>();
+            queryWrapper.eq("id", goodId);
+            Good good = goodMapper.selectOne(queryWrapper);
+            GoodVO goodVO = new GoodVO();
+            BeanUtils.copyProperties(good, goodVO);
+
+            cartRecordVO.setGoodVO(goodVO);
+            return cartRecordVO;
+        }).toList();
+    }
 }