增加折扣

haoban-manage3-api/src/main/java/com/gic/haoban/manage/api/dto/contact/ContactOrderGoodsInfoDTO.java

 package com.gic.haoban.manage.api.dto.contact;
 
+import cn.hutool.core.util.NumberUtil;
+
 import java.io.Serializable;
+import java.math.RoundingMode;
 
 public class ContactOrderGoodsInfoDTO implements Serializable {
     private static final long serialVersionUID = 973688857967269975L;
@@ -31,6 +34,17 @@ public class ContactOrderGoodsInfoDTO implements Serializable {
     private Double payAmount;
 
     /**
+     * 吊牌价
+     */
+    private Double unitPrice;
+
+    /**
+     * 折扣 = 实付/吊牌价
+     *
+     */
+    private Double discount;
+
+    /**
      * 商品名称
      */
     private String proName;
@@ -95,6 +109,28 @@ public class ContactOrderGoodsInfoDTO implements Serializable {
         this.payAmount = payAmount;
     }
 
+    public Double getUnitPrice() {
+        return unitPrice;
+    }
+
+    public void setUnitPrice(Double unitPrice) {
+        this.unitPrice = unitPrice;
+    }
+
+    public Double getDiscount() {
+        if (unitPrice != null && payAmount != null) {
+            if (unitPrice == 0) {
+                return 1.0;
+            }
+            return NumberUtil.div(payAmount * 1.0, unitPrice.doubleValue(), 2, RoundingMode.HALF_UP);
+        }
+        return discount;
+    }
+
+    public void setDiscount(Double discount) {
+        this.discount = discount;
+    }
+
     public String getProName() {
         return proName;
     }