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lastleg-service/src/main/java/com/baiyue/lastleg/inventory/command/mapper/InventoryCommandMapper.java

@@ -6,6 +6,8 @@ import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
 import org.apache.ibatis.annotations.Select;
 
+import java.util.List;
+
 @Mapper
 public interface InventoryCommandMapper {
     @Select("SELECT * FROM ll_inventory_position WHERE id=#{positionId} LIMIT 1")
@@ -22,4 +24,11 @@ public interface InventoryCommandMapper {
     @Select("SELECT COALESCE(SUM(available_packages+hold_packages+allocated_packages+picked_packages+receiving_packages),0) " +
         "FROM ll_inventory_position WHERE customer_id=#{customerId} AND pallet_id=#{palletId}")
     long palletPackages(@Param("customerId") String customerId, @Param("palletId") Long palletId);
+
+    @Select("SELECT * FROM ll_inventory_balance WHERE customer_id=#{customerId} " +
+        "AND inbound_order_id=#{inboundOrderId} AND inbound_code=#{inboundCode} " +
+        "AND in_transit_packages>0 ORDER BY id FOR UPDATE")
+    List<InventoryBalance> lockInboundTransitBalances(@Param("customerId") String customerId,
+                                                       @Param("inboundOrderId") Long inboundOrderId,
+                                                       @Param("inboundCode") String inboundCode);
 }

lastleg-service/src/main/java/com/baiyue/lastleg/inventory/command/service/InventoryCommandService.java

@@ -27,6 +27,7 @@ import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.time.LocalDateTime;
 import java.util.HexFormat;
+import java.util.List;
 
 @Service
 public class InventoryCommandService {
@@ -60,6 +61,8 @@ public class InventoryCommandService {
     public InventoryCommandResponse stockIn(String customerId, String operatorId,
                                             InventoryCommandRequests.StockIn request) {
         return execute(customerId, operatorId, "STOCK_IN", request.idempotencyKey(), request, operation -> {
+            List<InventoryBalance> transitBalances = commands.lockInboundTransitBalances(customerId,
+                request.inboundOrderId(), request.inboundCode());
             InventoryBalance balance = balance(customerId, request);
             InventoryPosition position = position(customerId, balance, request);
             long before = value(position.getAvailablePackages());
@@ -69,8 +72,8 @@ public class InventoryCommandService {
             position.setUpdatedAt(LocalDateTime.now());
             positions.updateById(position);
 
-            long transferred = Math.min(value(balance.getInTransitPackages()), request.packages());
-            balance.setInTransitPackages(value(balance.getInTransitPackages()) - transferred);
+            long transferred = transferInTransit(customerId, operatorId, operation.getId(), balance,
+                transitBalances, request);
             balance.setAvailablePackages(value(balance.getAvailablePackages()) + request.packages());
             touch(balance);
             balances.updateById(balance);
@@ -83,6 +86,33 @@ public class InventoryCommandService {
         });
     }
 
+    private long transferInTransit(String customerId, String operatorId, Long operationId,
+                                   InventoryBalance target, List<InventoryBalance> sources,
+                                   InventoryCommandRequests.StockIn request) {
+        long pending = request.packages();
+        long transferred = 0;
+        for (InventoryBalance source : sources) {
+            if (pending == 0) break;
+            boolean targetDimension = source.getId().equals(target.getId());
+            long sourceBefore = value(targetDimension ? target.getInTransitPackages() : source.getInTransitPackages());
+            long moved = Math.min(sourceBefore, pending);
+            if (moved == 0) continue;
+            if (targetDimension) target.setInTransitPackages(sourceBefore - moved);
+            else source.setInTransitPackages(sourceBefore - moved);
+            transferred += moved;
+            pending -= moved;
+            if (targetDimension) continue;
+            touch(source);
+            balances.updateById(source);
+            ledger(customerId, operatorId, operationId, source, null, sku(request.skuCode()),
+                "STOCK_IN_TRANSIT_RELEASE", "IN_TRANSIT", "STOCK_IN", sourceBefore, -moved,
+                sourceBefore - moved, request.businessOrderNo(), request.inboundOrderNo(), null,
+                request.sourceEventId(), request.idempotencyKey() + ":TRANSIT:" + source.getId(),
+                "In-transit inventory transferred to overseas warehouse " + target.getOverseasWarehouseId());
+        }
+        return transferred;
+    }
+
     @Transactional
     public InventoryCommandResponse hold(String customerId, String operatorId, InventoryCommandRequests.Move request) {
         return move(customerId, operatorId, "HOLD", Bucket.AVAILABLE, Bucket.HOLD, request);