修改提交订单

src/main/java/com/caimei/service/order/impl/OrderServiceImpl.java

@@ -6,6 +6,7 @@ import com.caimei.mapper.order.BpUserInfoMapper;
 import com.caimei.mapper.order.CmMallShopOrderMapper;
 import com.caimei.mapper.order.OrderMapper;
 import com.caimei.mapper.order.OrderProductMapper;
+import com.caimei.mapper.products.DetailsMapper;
 import com.caimei.mapper.products.HomePageMapper;
 import com.caimei.mapper.products.OrganizeProductsMapper;
 import com.caimei.mapper.products.ShoppingMapper;
@@ -21,6 +22,7 @@ import com.caimei.utils.AppUtils;
 import com.caimei.utils.MathUtil;
 import com.caimei.utils.NoUtils;
 import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.util.StringUtil;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
@@ -61,6 +63,8 @@ public class OrderServiceImpl implements OrderService {
     private CmMallAddressMapper cmMallAddressMapper;
     @Autowired
     private ShoppingMapper shoppingMapper;
+    @Autowired
+    private DetailsMapper detailsMapper;
 
     @Value("${miniprogram.domain}")
     private String domain;
@@ -285,6 +289,78 @@ public class OrderServiceImpl implements OrderService {
         return map;
     }
 
+    /**
+     * 获取阶梯价格
+     *
+     * @return
+     */
+    public Double getLadderPrice(Integer number, List<CmMallProductLadderPrice> productLadderPrice) {
+        Double ladderPrice = 0d;
+
+        //已根据购买期数排序，期数越大价格越低
+        Integer buyNum1 = 0;//第一阶梯（价格最高）
+        Integer buyNum2 = 0;//第二阶梯
+        Integer buyNum3 = 0;//第三阶梯（价格最低）
+        if (productLadderPrice.size() == 3) {
+            if (null != productLadderPrice.get(0)) buyNum1 = productLadderPrice.get(0).getBuyNum();
+            if (null != productLadderPrice.get(1)) buyNum2 = productLadderPrice.get(1).getBuyNum();
+            if (null != productLadderPrice.get(2)) buyNum3 = productLadderPrice.get(2).getBuyNum();
+        } else if (productLadderPrice.size() == 2) {
+            if (null != productLadderPrice.get(0)) buyNum1 = productLadderPrice.get(0).getBuyNum();
+            if (null != productLadderPrice.get(1)) buyNum2 = productLadderPrice.get(1).getBuyNum();
+        } else if (productLadderPrice.size() == 1) {
+            if (null != productLadderPrice.get(0)) buyNum1 = productLadderPrice.get(0).getBuyNum();
+        }
+        if (null == buyNum1) buyNum1 = 0;
+        if (null == buyNum2) buyNum2 = 0;
+        if (null == buyNum3) buyNum3 = 0;
+
+        //判断购买数量在什么阶段内
+        if (buyNum3 != 0 && number >= buyNum3) {//3阶梯
+            Double buyPrice = productLadderPrice.get(2).getBuyPrice();
+            if (null == buyPrice) ladderPrice = 0d;
+            ladderPrice = buyPrice;//购买的阶梯价格
+        }
+        if ((buyNum3 != 0 && buyNum2 != 0 && (number >= buyNum2 && number < buyNum3)) || (buyNum3 == 0 && buyNum2 != 0 && (number >= buyNum2))) {//2-3阶梯(只存在三个阶梯数据和值存在两个阶梯数据)
+            if (productLadderPrice.size() == 1) {//只有一阶梯（一般不存在因为2阶梯已经不为0了）
+                Double buyPrice = productLadderPrice.get(0).getBuyPrice();
+                if (null == buyPrice) buyPrice = 0d;
+                ladderPrice = buyPrice;
+            } else if (productLadderPrice.size() == 2) {//共有二阶梯
+                Double buyPrice = productLadderPrice.get(1).getBuyPrice();
+                if (null == buyPrice) buyPrice = 0d;
+                ladderPrice = buyPrice;
+            } else if (productLadderPrice.size() == 3) {//共有三阶梯
+                Double buyPrice = productLadderPrice.get(1).getBuyPrice();
+                if (null == buyPrice) buyPrice = 0d;
+                ladderPrice = buyPrice;//购买的阶梯价格
+            }
+        }
+        if ((buyNum2 != 0 && buyNum1 != 0 && (number >= buyNum1 && number < buyNum2)) || (buyNum2 == 0 && buyNum1 != 0 && (number >= buyNum1))) {//1-2阶梯（存在两个及以上阶梯数和只存在一个阶梯数据：两种情况）
+            if (productLadderPrice.size() == 1) {//只有一阶梯
+                Double buyPrice = productLadderPrice.get(0).getBuyPrice();
+                if (null == buyPrice) buyPrice = 0d;
+                ladderPrice = buyPrice;
+            } else if (productLadderPrice.size() == 2) {//共有二阶梯
+                Double buyPrice = productLadderPrice.get(0).getBuyPrice();
+                if (null == buyPrice) buyPrice = 0d;
+                ladderPrice = buyPrice;
+            } else if (productLadderPrice.size() == 3) {//共有三阶梯
+                Double buyPrice = productLadderPrice.get(0).getBuyPrice();
+                if (null == buyPrice) buyPrice = 0d;
+                ladderPrice = buyPrice;
+            }
+        }
+
+        if ((buyNum1 != 0 && (number <= buyNum1))) {//1阶梯
+            Double buyPrice = productLadderPrice.get(0).getBuyPrice();
+            if (null == buyPrice) buyPrice = 0d;
+            ladderPrice = buyPrice;
+        }
+        return ladderPrice;
+    }
+
+
     @Override
     @Transactional
     public CmWxJsonModel saveOrderInfo(CmWxJsonModel cmWxJsonModel, Integer userId, Integer organizeID, String cartType, Integer addressID, Object orderInfo, String balanceDeductionFlag, Double orderShouldPayFee, Integer cmOperationID) {
@@ -336,8 +412,21 @@ public class OrderServiceImpl implements OrderService {
                         if (null == cmMallOrganizeProducts) return cmWxJsonModel.error("-1", "订单商品数据异常");
                         if (null == productNum || productNum == 0) return cmWxJsonModel.error("-1", "商品购买数量异常");
                         CmMallProduct cmCmMallProduct = organizeProductsMapper.selectCmProductById(cmMallOrganizeProducts.getProductID());
-                        Double retailPrice = cmMallOrganizeProducts.getRetailPrice();//售价
+                        Double retailPrice = 0d;//售价
 //                        Integer classifyID = cmMallOrganizeProducts.getClassifyID();
+
+                        if(StringUtils.equals("1",cmMallOrganizeProducts.getLadderPriceFlag())){
+                            List<CmMallProductLadderPrice> ladderPriceList = detailsMapper.findLadderPrice(productId);
+                            //判断阶梯价格的购买数量校验
+                            Integer minBuyNumber = getMinBuyNumber(ladderPriceList);
+                            if(productNum < minBuyNumber){
+                                return cmWxJsonModel.error("-1", "商品购买量低于最小起订量");
+                            }
+                            //更加商品购买数量获取商品对应阶梯价格
+                            retailPrice = getLadderPrice(productNum, ladderPriceList);
+                        }else{
+                            retailPrice = cmMallOrganizeProducts.getRetailPrice();
+                        }
                         double productFee = retailPrice * productNum;//单个商品的金额
                         //统计商品总金额
                         productTotalFee += productFee;
@@ -372,11 +461,11 @@ public class OrderServiceImpl implements OrderService {
                         cmMallOrderProduct.setSingleShopFee(cmMallOrganizeProducts.getCostPrice());
                         cmMallOrderProduct.setOtherFee(0d);
                         cmMallOrderProduct.setSingleOtherFee(0d);
-                        cmMallOrderProduct.setCmFee((cmMallOrganizeProducts.getRetailPrice() * productNum) - (cmMallOrganizeProducts.getCostPrice() * productNum));//应付采美=应付金额(应收金额)-应付供应商-应付第三方0-税费0）
-                        cmMallOrderProduct.setSingleCmFee(cmMallOrganizeProducts.getRetailPrice() - cmMallOrganizeProducts.getCostPrice());
-                        cmMallOrderProduct.setTotalAmount(cmMallOrganizeProducts.getRetailPrice() * productNum);
-                        cmMallOrderProduct.setTotalFee(cmMallOrganizeProducts.getRetailPrice() * productNum);
-                        cmMallOrderProduct.setShouldPayFee(cmMallOrganizeProducts.getRetailPrice() * productNum);
+                        cmMallOrderProduct.setCmFee((retailPrice * productNum) - (cmMallOrganizeProducts.getCostPrice() * productNum));//应付采美=应付金额(应收金额)-应付供应商-应付第三方0-税费0）
+                        cmMallOrderProduct.setSingleCmFee(retailPrice - cmMallOrganizeProducts.getCostPrice());
+                        cmMallOrderProduct.setTotalAmount(retailPrice * productNum);
+                        cmMallOrderProduct.setTotalFee(retailPrice * productNum);
+                        cmMallOrderProduct.setShouldPayFee(retailPrice * productNum);
                         cmMallOrderProduct.setTotalBeans(0d);
                         cmMallOrderProduct.setUseBalanceAmount(0d);
                         cmMallOrderProduct.setDiscountFee(0D);//经理折扣 优惠金额
@@ -384,7 +473,7 @@ public class OrderServiceImpl implements OrderService {
                         cmMallOrderProduct.setUseBalanceAmount(0d);
                         cmMallOrderProduct.setConfirmProductFlag("0");//订单商品供应商确认标志 0否 1是
                         cmMallOrderProduct.setDiscount(100d);
-                        cmMallOrderProduct.setDiscountPrice(cmMallOrganizeProducts.getRetailPrice());
+                        cmMallOrderProduct.setDiscountPrice(retailPrice);
                         cmMallOrderProduct.setShopName(cmMallOrganizeProducts.getShopName());
                         cmMallOrderProduct.setName(cmCmMallProduct.getName());
                         cmMallOrderProduct.setPayStatus("0");
@@ -708,6 +797,19 @@ public class OrderServiceImpl implements OrderService {
         }
     }
 
+    /**
+     * 获取阶梯价格最小购买数量
+     * @return
+     */
+    private Integer getMinBuyNumber(List<CmMallProductLadderPrice> ladderPriceList) {
+        Integer minBuyNumber = 1;
+        //阶梯价格信息
+        if (!CollectionUtils.isEmpty(ladderPriceList)) {
+            CmMallProductLadderPrice productLadderPrice0 = ladderPriceList.get(0);//第一阶梯
+            if (null != productLadderPrice0) minBuyNumber = productLadderPrice0.getBuyNum();
+        }
+        return minBuyNumber;
+    }
 
     @Override
     public List<CmMallLogisticsBatch> logistics(Integer orderID) throws Exception {

src/main/resources/mapper/OrganizeProductsMapper.xml

@@ -9,6 +9,7 @@
 		a.productID AS "productID",
 		a.normalPrice AS "normalPrice",
 		a.costPrice AS "costPrice",
+		a.ladderPriceFlag AS "ladderPriceFlag",
 		a.retailPrice AS "retailPrice",
 		a.minBuyNumber AS "minBuyNumber",
 		a.preferredProduct AS "preferredProduct",