Refactor Delivery and Purchase Return services to use StockMover for inventory movements

Distribution/Features/DeliveryRide/DeliveryTaskService.cs

@@ -12,7 +12,7 @@ public class DeliveryTaskService(
     IRideRepository rideRepo,
     IShopPORepository shopPORepo,
     ILoadingSheetRepository loadingSheetRepo,
-    IStockRepository stockRepo,
+    StockMover mover,
     IUnitOfWork uow)
 {
     private static DeliveryTaskResponse ToResponse(DeliveryTask t) =>
@@ -134,7 +134,7 @@ public class DeliveryTaskService(
         return ToResponse(saved!);
     }
 
-    public async Task<DeliveryTaskResponse> ConfirmAsync(Guid taskId, CancellationToken ct = default)
+    public async Task<DeliveryTaskResponse> ConfirmAsync(Guid taskId, Guid userId, CancellationToken ct = default)
     {
         var task = await repo.GetByIdAsync(taskId)
             ?? throw new KeyNotFoundException("Delivery task not found");
@@ -166,29 +166,12 @@ public class DeliveryTaskService(
         {
             foreach (var item in task.ShopPO.Items.Where(i => i.QuantityFulfilled > 0))
             {
-                var vehicleBalance = await stockRepo.GetBalanceAsync(item.FK_ItemId, vehicleId);
-                var availableQuantity = vehicleBalance?.Quantity ?? 0;
                 var itemName = item.Item?.Name ?? item.FK_ItemId.ToString();
 
-                if (availableQuantity < item.QuantityFulfilled)
-                    throw new InvalidOperationException(
-                        $"Insufficient vehicle stock for item '{itemName}': available {availableQuantity}, required {item.QuantityFulfilled}");
-
-                vehicleBalance!.Quantity -= item.QuantityFulfilled;
-                vehicleBalance.UpdatedAt = DateTime.Now;
-                stockRepo.UpdateBalance(vehicleBalance);
-
-                await stockRepo.AddMovementAsync(new StockMovement
-                {
-                    FK_ItemId = item.FK_ItemId,
-                    FromLocationId = vehicleId,
-                    FromLocationType = LocationType.Vehicle,
-                    ToLocationId = StockService.ExternalLocationId,
-                    ToLocationType = LocationType.External,
-                    Quantity = item.QuantityFulfilled,
-                    Type = MovementType.Sale,
-                    ReferenceId = task.FK_ShopPOId
-                });
+                await mover.MoveAsync(item.FK_ItemId, itemName,
+                    vehicleId, LocationType.Vehicle,
+                    StockService.ExternalLocationId, LocationType.External,
+                    item.QuantityFulfilled, MovementType.Sale, task.FK_ShopPOId, userId);
             }
 
             repo.Update(task);