返回售后申请退款金额

yshop-app/src/main/java/co/yixiang/sales/rest/StoreAfterSalesController.java

@@ -25,6 +25,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import java.math.BigDecimal;
 import java.util.List;
 import java.util.Map;
 
@@ -46,6 +47,13 @@ public class StoreAfterSalesController {
     @Autowired
     private YxExpressService yxExpressService;
 
+    @AuthCheck
+    @PostMapping("/getRefundAmount")
+    @ApiOperation(value = "获取退款价格", notes = "获取退款价格")
+    public ApiResult<BigDecimal> getRefundAmount(@RequestBody StoreAfterSalesParam storeAfterSalesParam) {
+        return ApiResult.ok(storeAfterSalesService.getRefundAmount(storeAfterSalesParam));
+    }
+
     @AuthCheck
     @PostMapping("/applyForAfterSales")
     @ApiOperation(value = "申请售后", notes = "申请售后")

yshop-mall/src/main/java/co/yixiang/modules/sales/service/StoreAfterSalesService.java

@@ -11,6 +11,7 @@ import org.springframework.data.domain.Pageable;
 
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
+import java.math.BigDecimal;
 import java.util.List;
 import java.util.Map;
 
@@ -19,6 +20,8 @@ import java.util.Map;
  */
 public interface StoreAfterSalesService extends BaseService<StoreAfterSales> {
 
+    BigDecimal getRefundAmount(StoreAfterSalesParam storeAfterSalesParam);
+
     /**
      * 创建售后订单
      *

yshop-mall/src/main/java/co/yixiang/modules/sales/service/impl/StoreAfterSalesServiceImpl.java

@@ -68,6 +68,58 @@ public class StoreAfterSalesServiceImpl extends BaseServiceImpl<StoreAfterSalesM
     private final IGenerator generator;
     private final RedisUtils redisUtils;
 
+    @Override
+    public BigDecimal getRefundAmount(StoreAfterSalesParam storeAfterSalesParam) {
+
+        YxStoreOrder yxStoreOrder = storeOrderMapper.selectOne(Wrappers.<YxStoreOrder>lambdaQuery().eq(YxStoreOrder::getOrderId, storeAfterSalesParam.getOrderCode()));
+
+        //商品除去优惠后的总价格
+        BigDecimal totalPrice = BigDecimal.ZERO;
+        //拿到所有的商品
+        List<YxStoreOrderCartInfo> yxStoreOrderCartInfos = storeOrderCartInfoMapper.selectList(Wrappers.<YxStoreOrderCartInfo>lambdaQuery().eq(YxStoreOrderCartInfo::getOid, yxStoreOrder.getId()));
+        for (YxStoreOrderCartInfo yxStoreOrderCartInfo : yxStoreOrderCartInfos) {
+            YxStoreCartQueryVo cartInfo = JSONObject.parseObject(yxStoreOrderCartInfo.getCartInfo(), YxStoreCartQueryVo.class);
+            ProsuctParam prosuctParam = storeAfterSalesParam.getProductParamList().stream().filter(item -> item.getProductId().equals(yxStoreOrderCartInfo.getProductId())).findFirst().orElse(new ProsuctParam());
+            if (prosuctParam.getProductId() != null) {
+                //商品优惠前总金额
+                BigDecimal totalAmountOfGoods = NumberUtil.mul(cartInfo.getTruePrice(), cartInfo.getCartNum());
+                //商品优惠总金额
+                // BigDecimal commodityDiscountAmount = NumberUtil.mul(NumberUtil.div(totalAmountOfGoods, NumberUtil.sub(yxStoreOrder.getTotalPrice(), yxStoreOrder.getPayPostage())), yxStoreOrder.getCouponPrice());
+                BigDecimal totalPriceMinusPostage = NumberUtil.sub(yxStoreOrder.getTotalPrice(), yxStoreOrder.getPayPostage());
+                BigDecimal commodityDiscountAmount;
+
+                if (totalPriceMinusPostage.compareTo(BigDecimal.ZERO) != 0) {
+                    commodityDiscountAmount = NumberUtil.mul(NumberUtil.div(totalAmountOfGoods, totalPriceMinusPostage), yxStoreOrder.getCouponPrice());
+                } else {
+                    // 处理除数为零的情况，返回默认值
+                    commodityDiscountAmount = BigDecimal.ZERO;
+                }
+
+                //商品优惠后总金额
+                totalPrice = NumberUtil.add(totalPrice, NumberUtil.sub(totalAmountOfGoods, commodityDiscountAmount));
+                // todo 根据自己的业务逻辑修改，是否退运费，默认退运费
+                totalPrice = NumberUtil.add(totalPrice, yxStoreOrder.getPayPostage());
+
+            }
+        }
+        //更新订单状态
+//        yxStoreOrder.setStatus(OrderInfoEnum.STATUS_NE1.getValue());
+//        yxStoreOrder.setRefundStatus(OrderInfoEnum.REFUND_STATUS_1.getValue());
+//        yxStoreOrder.setRefundReasonWap(storeAfterSalesParam.getReasonForApplication());
+//        yxStoreOrder.setRefundReasonWapExplain(storeAfterSalesParam.getApplicationInstructions());
+//        yxStoreOrder.setRefundReasonTime(new Date());
+//        storeOrderMapper.updateById(yxStoreOrder);
+//        //生成售后订单
+//        StoreAfterSales storeAfterSales = new StoreAfterSales();
+//        storeAfterSales.setOrderCode(storeAfterSalesParam.getOrderCode());
+        //此处需要对比原来订单的支付价格
+        if(totalPrice.compareTo(yxStoreOrder.getPayPrice()) > 0){
+            return yxStoreOrder.getPayPrice();
+        }else{
+            return totalPrice;
+        }
+    }
+
     @Override
     public void applyForAfterSales(Long userId, String nickname, StoreAfterSalesParam storeAfterSalesParam) {
 
@@ -157,8 +209,9 @@ public class StoreAfterSalesServiceImpl extends BaseServiceImpl<StoreAfterSalesM
 
     @Override
     public List<YxStoreOrderCartInfoVo> checkOrderDetails(String key) {
-        List<YxStoreOrderCartInfo> yxStoreOrderCartInfos = storeOrderCartInfoMapper.selectList(Wrappers.<YxStoreOrderCartInfo>lambdaQuery().eq(YxStoreOrderCartInfo::getOid, key));
+        YxStoreOrder yxStoreOrder = storeOrderMapper.selectOne(Wrappers.<YxStoreOrder>lambdaQuery().eq(YxStoreOrder::getOrderId,key));
-        YxStoreOrder yxStoreOrder = storeOrderMapper.selectById(key);
+        List<YxStoreOrderCartInfo> yxStoreOrderCartInfos = storeOrderCartInfoMapper.selectList(Wrappers.<YxStoreOrderCartInfo>lambdaQuery().eq(YxStoreOrderCartInfo::getOid, yxStoreOrder.getId()));
+       // YxStoreOrder yxStoreOrder = storeOrderMapper.selectById(key);
         //查询 售后信息
         StoreAfterSales storeAfterSales = baseMapper.selectOne(Wrappers.<StoreAfterSales>lambdaQuery().eq(StoreAfterSales::getOrderCode, yxStoreOrder.getOrderId()));
         List<YxStoreOrderCartInfoVo> yxStoreOrderCartInfoVos = new ArrayList<>();
@@ -181,7 +234,7 @@ public class StoreAfterSalesServiceImpl extends BaseServiceImpl<StoreAfterSalesM
 
             yxStoreOrderCartInfoVo.setRefundablePrice(NumberUtil.sub(totalAmountOfGoods, commodityDiscountAmount));
 
-            yxStoreOrderCartInfoVo.setReasons(storeAfterSales.getReasons());
+            //yxStoreOrderCartInfoVo.setReasons(storeAfterSales.getReasons());
             yxStoreOrderCartInfoVos.add(yxStoreOrderCartInfoVo);
         }