public void Purchase_Item_Quantity_Should_Be_Less_ThanEqual_To_Stock()
        {
            //Arrange
            var repo = new StockItemRepository(new TonerJobContext());
            //Act
            Action action = () => PurchaseItem.Create(repo.GetStockItemById(1), 2);

            //Assert
            action.Should().Throw <ArgumentException>().WithMessage("Quantity should be less than or equal to quantity in stock!");
        }
        /// <summary>
        /// 新增采购项
        /// </summary>
        /// <param name="name">名称</param>
        /// <param name="code">编码</param>
        /// <param name="category">分类</param>
        /// <param name="inUnit">入库单位</param>
        /// <param name="outUnit">出库单位</param>
        /// <param name="inOutRate">入库出库单位换算比例</param>
        /// <param name="price">销售单价</param>
        /// <param name="creator">创建人</param>
        public void Add(string name, string code, string category, string inUnit, string outUnit, decimal inOutRate, decimal price, string creator)
        {
            using (DbConnection conn = DbHelper.CreateConnection())
            {
                DbTransaction trans = null;
                try
                {
                    conn.Open();
                    trans = conn.BeginTransaction();

                    if (this.purchaseItemRepository.HasSameCode(trans, string.Empty, code))
                    {
                        throw new EasySoftException(BusinessResource.PurchaseItem_ExistsSameCode);
                    }

                    PurchaseItem entity = new PurchaseItem();
                    entity.Create(name, code, category, inUnit, outUnit, inOutRate, price, creator);
                    this.purchaseItemRepository.Insert(trans, entity);

                    trans.Commit();
                }
                catch (EasySoftException ex)
                {
                    if (trans != null)
                    {
                        trans.Rollback();
                    }
                    throw ex;
                }
                catch (Exception ex)
                {
                    if (trans != null)
                    {
                        trans.Rollback();
                    }
                    throw ex;
                }
            }
        }
 private List <PurchaseItem> CreatePurchasedItems(List <PurchaseItemViewModel> purchasedItems)
 {
     return(purchasedItems.Select(p => PurchaseItem.Create(stockItemRepository.GetStockItemById(p.StockItem.Id), p.Quantity)).ToList());
 }