同城配送费计算方法

mall-shop/src/main/java/com/suisung/mall/shop/store/service/ShopStoreSameCityTransportBaseService.java

@@ -13,6 +13,8 @@ import com.suisung.mall.common.modules.store.ShopStoreSameCityTransportBase;
 import com.suisung.mall.common.pojo.dto.ShopStoreSameCityTransportBaseDTO;
 import org.springframework.data.util.Pair;
 
+import java.math.BigDecimal;
+
 public interface ShopStoreSameCityTransportBaseService {
 
     /**
@@ -36,8 +38,15 @@ public interface ShopStoreSameCityTransportBaseService {
      * @param storeId
      * @return
      */
-    ShopStoreSameCityTransportBaseDTO getDetailById(Long storeId);
+    ShopStoreSameCityTransportBaseDTO getShopStoreSameCityTransportBaseDTOById(Long storeId);
 
+    /**
+     * 根据店铺Id获取同城配送基础运费记录
+     *
+     * @param storeId
+     * @return
+     */
+    ShopStoreSameCityTransportBase getShopStoreSameCityTransportBaseById(Long storeId);
 
     /**
      * 保存同城配送基础设置（存在更新，不存在新增）
@@ -46,4 +55,21 @@ public interface ShopStoreSameCityTransportBaseService {
      * @return
      */
     Pair<Long, String> saveOrUpdateShopStoreSameCityTransportBase(ShopStoreSameCityTransportBase shopStoreSameCityTransportBase);
+
+
+    /**
+     * 计算同城订单配送费
+     *
+     * @param storeId             店铺Id
+     * @param orderLongitude      （订单送达地）目的地经度
+     * @param orderLatitude       （订单送达地）目的地维度
+     * @param distanceMeter       距离（单位米）
+     * @param weightGram          重量（单位克）
+     * @param orderProductAmount  订单商品原价金额
+     * @param orderDiscountAmount 订单商品折扣金额（订单原价减去每个商品折扣费）
+     * @param orderPayAmount      订单实际支付金额（折扣金额-优惠券-积分扣-人工干预扣费），不包含运费
+     * @return 同城配送费
+     */
+    BigDecimal computeSameCityTransportFee(Long storeId, BigDecimal orderLongitude, BigDecimal orderLatitude, Integer distanceMeter, Integer weightGram, BigDecimal orderProductAmount, BigDecimal orderDiscountAmount, BigDecimal orderPayAmount);
+
 }

mall-shop/src/main/java/com/suisung/mall/shop/store/service/impl/ShopStoreSameCityTransportBaseServiceImpl.java

@@ -18,13 +18,15 @@ import com.suisung.mall.common.modules.store.ShopStoreBase;
 import com.suisung.mall.common.modules.store.ShopStoreSameCityTransport;
 import com.suisung.mall.common.modules.store.ShopStoreSameCityTransportBase;
 import com.suisung.mall.common.pojo.dto.ShopStoreSameCityTransportBaseDTO;
+import com.suisung.mall.common.utils.PositionUtil;
 import com.suisung.mall.core.web.service.impl.BaseServiceImpl;
 import com.suisung.mall.shop.chain.controller.admin.ShopChainUserController;
 import com.suisung.mall.shop.store.mapper.ShopStoreSameCityTransportBaseMapper;
 import com.suisung.mall.shop.store.service.ShopStoreBaseService;
 import com.suisung.mall.shop.store.service.ShopStoreSameCityTransportBaseService;
 import com.suisung.mall.shop.store.service.ShopStoreSameCityTransportService;
-import org.springframework.beans.factory.annotation.Autowired;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.data.util.Pair;
 import org.springframework.stereotype.Service;
 
@@ -38,12 +40,12 @@ import static com.suisung.mall.common.utils.ContextUtil.getCurrentUser;
 @Service
 public class ShopStoreSameCityTransportBaseServiceImpl extends BaseServiceImpl<ShopStoreSameCityTransportBaseMapper, ShopStoreSameCityTransportBase> implements ShopStoreSameCityTransportBaseService {
 
+    private static final Logger logger = LoggerFactory.getLogger(ShopStoreSameCityTransportBaseServiceImpl.class);
     @Resource
     private ShopStoreSameCityTransportService shopStoreSameCityTransportService;
-
     @Resource
     private ShopStoreBaseService shopStoreBaseService;
-    @Autowired
+    @Resource
     private ShopChainUserController user;
 
     /**
@@ -54,13 +56,13 @@ public class ShopStoreSameCityTransportBaseServiceImpl extends BaseServiceImpl<S
     @Override
     public CommonResult ShopStoreSameCityTransportBaseDetail() {
         // 判断有没有权限
-//        UserDto user = getCurrentUser();
+        UserDto user = getCurrentUser();
-//        if (user == null || !user.isStore()) {
+        if (user == null || !user.isStore()) {
-//            return CommonResult.failed("无权限操作!");
+            return CommonResult.failed("无权限操作!");
-//        }
+        }
 
-        Long storeId = 2L; //Convert.toLong(user.getStore_id());
+        Long storeId = Convert.toLong(user.getStore_id());
-        ShopStoreSameCityTransportBaseDTO retDTO = getDetailById(storeId);
+        ShopStoreSameCityTransportBaseDTO retDTO = getShopStoreSameCityTransportBaseDTOById(storeId);
         if (retDTO == null) {
             return CommonResult.failed("商家未设置店铺地址，请先设置店铺地址！");
         }
@@ -77,12 +79,12 @@ public class ShopStoreSameCityTransportBaseServiceImpl extends BaseServiceImpl<S
     @Override
     public CommonResult saveOrUpdateSameCityTransport(ShopStoreSameCityTransportBaseDTO shopStoreSameCityTransportBaseDTO) {
         // 判断有没有权限
-//        UserDto user = getCurrentUser();
+        UserDto user = getCurrentUser();
-//        if (user == null || !user.isStore()) {
+        if (user == null || !user.isStore()) {
-//            return CommonResult.failed("无权限操作!");
+            return CommonResult.failed("无权限操作!");
-//        }
+        }
 
-        Integer userId =  3;//user.getId();
+        Integer userId = user.getId();
 
         if (shopStoreSameCityTransportBaseDTO == null || shopStoreSameCityTransportBaseDTO.getTransportBase() == null) {
             return CommonResult.failed("参数有误");
@@ -91,14 +93,14 @@ public class ShopStoreSameCityTransportBaseServiceImpl extends BaseServiceImpl<S
         ShopStoreSameCityTransportBase transportBase = shopStoreSameCityTransportBaseDTO.getTransportBase();
         transportBase.setUpdated_by(userId);
         // 新增或更新同城配送基础设置
-        Pair<Long,String> pair = saveOrUpdateShopStoreSameCityTransportBase(transportBase);
+        Pair<Long, String> pair = saveOrUpdateShopStoreSameCityTransportBase(transportBase);
 
         // 新增或更新同城配送扩展设置列表
         shopStoreSameCityTransportBaseDTO.setTransportBase(transportBase);
         shopStoreSameCityTransportBaseDTO.rebuildTransportList();
         shopStoreSameCityTransportService.saveOrUpdateShopStoreSameCityTransportList(shopStoreSameCityTransportBaseDTO.getTransportList());
 
-        if (pair.getFirst()>0) {
+        if (pair.getFirst() > 0) {
             return CommonResult.success(null, pair.getSecond());
         }
 
@@ -112,7 +114,7 @@ public class ShopStoreSameCityTransportBaseServiceImpl extends BaseServiceImpl<S
      * @return
      */
     @Override
-    public ShopStoreSameCityTransportBaseDTO getDetailById(Long storeId) {
+    public ShopStoreSameCityTransportBaseDTO getShopStoreSameCityTransportBaseDTOById(Long storeId) {
         if (storeId == null || storeId <= 0) {
             return null;
         }
@@ -123,10 +125,7 @@ public class ShopStoreSameCityTransportBaseServiceImpl extends BaseServiceImpl<S
             return null;
         }
 
-        QueryWrapper<ShopStoreSameCityTransportBase> queryWrapper = new QueryWrapper<>();
+        ShopStoreSameCityTransportBase transportBase = getShopStoreSameCityTransportBaseById(storeId);
-        queryWrapper.eq("store_id", storeId);
-        queryWrapper.orderByAsc("transport_base_id");
-        ShopStoreSameCityTransportBase transportBase = getOne(queryWrapper);
         if (transportBase == null) {
             transportBase = new ShopStoreSameCityTransportBase();
             transportBase.setStore_id(storeId);
@@ -163,7 +162,26 @@ public class ShopStoreSameCityTransportBaseServiceImpl extends BaseServiceImpl<S
         return shopStoreSameCityTransportBaseDTO;
     }
 
-    public Pair<Long,String> saveOrUpdateShopStoreSameCityTransportBase(ShopStoreSameCityTransportBase transportBase) {
+    /**
+     * 根据店铺Id获取同城配送基础运费记录
+     *
+     * @param storeId
+     * @return
+     */
+    @Override
+    public ShopStoreSameCityTransportBase getShopStoreSameCityTransportBaseById(Long storeId) {
+        if (storeId == null || storeId <= 0) {
+            return null;
+        }
+
+        QueryWrapper<ShopStoreSameCityTransportBase> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("store_id", storeId);
+        queryWrapper.eq("status", ConstantError.Enable);
+
+        return getOne(queryWrapper);
+    }
+
+    public Pair<Long, String> saveOrUpdateShopStoreSameCityTransportBase(ShopStoreSameCityTransportBase transportBase) {
         if (transportBase == null || transportBase.getStore_id() == null || transportBase.getStore_id() <= 0) {
             return Pair.of(0L, "缺少店铺Id必要参数！");
         }
@@ -209,4 +227,64 @@ public class ShopStoreSameCityTransportBaseServiceImpl extends BaseServiceImpl<S
             return Pair.of(0L, "更新失败！");
         }
     }
+
+
+    // 计算订单同城配送费，
+    // 1.先获取订单的经纬度，计算配送距离，获取配送范围，确定是否能配送，如果能计算基础运费？
+    // 2.如果能配送，再订单总重量，订单原价金额，订单折后金额，订单实付金额
+    // 3.根据两点经纬度，计算配送距离，结合订单总重量，计算基础运费。
+    // 4.查看是否有运费优惠设置，如果有，就直接从基础运费中扣除优惠运费，得出最终的订单配送费。
+
+    /**
+     * 计算同城订单配送费
+     *
+     * @param storeId             店铺Id
+     * @param orderLongitude      （订单送达地）目的地经度
+     * @param orderLatitude       （订单送达地）目的地维度
+     * @param distanceMeter       距离（单位米）
+     * @param weightGram          重量（单位克）
+     * @param orderProductAmount  订单商品原价金额
+     * @param orderDiscountAmount 订单商品折扣金额（订单原价减去每个商品折扣费）
+     * @param orderPayAmount      订单实际支付金额（折扣金额-优惠券-积分扣-人工干预扣费），不包含运费
+     * @return 同城配送费
+     */
+    @Override
+    public BigDecimal computeSameCityTransportFee(Long storeId, BigDecimal orderLongitude, BigDecimal orderLatitude, Integer distanceMeter, Integer weightGram, BigDecimal orderProductAmount, BigDecimal orderDiscountAmount, BigDecimal orderPayAmount) {
+        if (storeId == null || storeId <= 0 || orderLongitude == null || orderLatitude == null) {
+            logger.error("同城配送费计算：缺少必要的参数");
+            return BigDecimal.ZERO;
+        }
+
+        //  获取基础运费设置记录
+        ShopStoreSameCityTransportBase transportBase = getShopStoreSameCityTransportBaseById(storeId);
+        if (transportBase == null || transportBase.getStore_longitude() == null || transportBase.getStore_latitude() == null || transportBase.getDistance_base() == null || transportBase.getDelivery_base_fee() == null) {
+            logger.error("同城配送费计算：无法获取基础运费设置记录，或店铺经纬度为空");
+            return BigDecimal.ZERO;
+        }
+
+        // 通过高德或百度地图api，计算两点的距离，如果服务不可用或无法计算，使用内部算法计算距离
+        Double distanceD = PositionUtil.getDistance4(transportBase.getStore_longitude().doubleValue(), transportBase.getStore_latitude().doubleValue(), orderLongitude.doubleValue(), orderLatitude.doubleValue());
+
+        // 计算基础配送费
+        Integer distance = distanceD.intValue();
+        BigDecimal deliveryBaseFee = transportBase.getDelivery_base_fee();
+        // 每增加一个距离累加运费
+        if (distance > transportBase.getDistance_base() && transportBase.getDistance_increase_km() != null && transportBase.getDistance_increase_fee() != null) {
+            deliveryBaseFee.add(transportBase.getDelivery_base_fee().multiply(BigDecimal.valueOf(distance - transportBase.getDistance_base())));
+        }
+
+        // 每增加一个重量累加运费（重量暂时忽略,配置的时候设置0）
+        if (weightGram > transportBase.getWeight_base() && transportBase.getWeight_increase_kg() != null && transportBase.getWeight_increase_fee() != null) {
+            deliveryBaseFee.add(transportBase.getWeight_increase_fee().multiply(BigDecimal.valueOf(weightGram - transportBase.getWeight_base())));
+        }
+        // 基础配送费计算完毕
+
+
+        // 获取运费配送范围和优惠信息
+        List<ShopStoreSameCityTransport> transportList = shopStoreSameCityTransportService.selectShopStoreSameCityTransportList(transportBase.getTransport_base_id());
+
+        // 通过配送范围和起送金额，决定使用哪个配送费优惠规则
+
+        return null;
+    }
 }

mall-shop/src/main/java/com/suisung/mall/shop/store/service/impl/ShopStoreSameCityTransportServiceImpl.java

@@ -68,7 +68,7 @@ public class ShopStoreSameCityTransportServiceImpl extends BaseServiceImpl<ShopS
 
         int count = 0;
         for (ShopStoreSameCityTransport transport : transportList) {
-            if(transport.getTransport_base_id()==null||transport.getTransport_base_id()<=0){
+            if (transport.getTransport_base_id() == null || transport.getTransport_base_id() <= 0) {
                 logger.error("缺少 transport_base_id 必要参数！");
                 continue;
             }