private void PopulateVariationInfo(CatalogEntryDto.CatalogEntryRow entryRow, LineItem lineItem)
        {
            CatalogEntryDto.VariationRow variationRow = entryRow.GetVariationRows().FirstOrDefault();

            if (variationRow != null)
            {
                lineItem.MaxQuantity = variationRow.MaxQuantity;
                lineItem.MinQuantity = variationRow.MinQuantity;
                CustomerContact customerContact = CustomerContext.Current.GetContactById(lineItem.Parent.Parent.CustomerId);

                Money? newListPrice = GetItemPrice(entryRow, lineItem, customerContact);
                if (newListPrice.HasValue)
                {
                    Money oldListPrice = new Money(Math.Round(lineItem.ListPrice, 2), lineItem.Parent.Parent.BillingCurrency);

                    if (oldListPrice != newListPrice.Value)
                    {
                        AddWarningSafe(Warnings,
                            "LineItemPriceChange-" + lineItem.Parent.LineItems.IndexOf(lineItem).ToString(),
                            string.Format("Price for \"{0}\" has been changed from {1} to {2}.", lineItem.DisplayName, oldListPrice.ToString(), newListPrice.ToString()));

                        // Set new price on line item.
                        lineItem.ListPrice = newListPrice.Value.Amount;
                        if (lineItem.Parent.Parent.ProviderId.ToLower().Equals("frontend"))
                        {
                            lineItem.PlacedPrice = newListPrice.Value.Amount;
                        }
                    }
                }
            }
        }
 /// <summary>
 /// Check catalog entry's tracking inventory was enable or not.
 /// </summary>
 /// <param name="catalogEntry">Catalog entry.</param>
 private bool InventoryTrackingEnabled(CatalogEntryDto.CatalogEntryRow catalogEntry)
 {
     var entryVariations = catalogEntry.GetVariationRows();
     var variation = entryVariations.FirstOrDefault();
     return variation != null && variation.TrackInventory;
 }
 private static IEnumerable<CatalogEntryDto.VariationRow> GetEntryVariations(CatalogEntryDto.CatalogEntryRow catalogEntry)
 {
     if (catalogEntry == null)
     {
         throw new ArgumentNullException("catalogEntry");
     }
     return catalogEntry.GetVariationRows();
 }