/// <summary>
/// Method calculates sale total and tax.
/// </summary>
/// <param name="sale">Method takes on SaleDTO as an argument.</param>
/// <returns></returns>
public SaleDTO FinalizeSale(SaleDTO sale)
{
var saleTotal = sale.SaleItems.Aggregate(0m, (current, item) => current + item.SellingPrice);
saleTotal = saleTotal + saleTotal * .06m;
sale.DateOfSale = DateTime.Now;
sale.Total = saleTotal;
return sale;
}
/// <summary>
/// Method updates a sale that already exists in the database
/// </summary>
/// <param name="sale">Takes a single SaleDTO as an argument.</param>
public void Update(SaleDTO sale)
{
_saleRepository.Update(sale);
}
/// <summary>
/// Method inserts a new sale into the database
/// </summary>
/// <param name="sale">Takes a single SaleDTO as an argument.</param>
public void Insert(SaleDTO sale)
{
_saleRepository.Insert(sale);
}