public string Print()
{
StringBuilder builder = new StringBuilder();
var products = ProductQuantities.GroupBy(p => p.Key.Category.Title).ToDictionary(e => e.Key, e => e.ToList());
builder.AppendLine($"{"Category Name",15} {"Product Name",15} {"Quantity",15} {"Unit Price",15} {"Total Price",15}");
foreach (var item in products)
{
foreach (var p in item.Value)
{
builder.AppendLine($"{item.Key,15} {p.Key.Title,15} {p.Value,15} {p.Key.Price,15} {GetProductPrice(p.Key),15}\t");
}
}
builder.AppendLine($"\nTotal Amount: {GetTotalAmount()}\nTotal Amount After Discounts: {GetTotalAmountAfterDiscounts()}" +
$"\nTotal Discount: {GetTotalAmount() - GetTotalAmountAfterDiscounts()}\nDelivery Cost: {GetDeliveryCost()}");
return(builder.ToString());
}
public int GetNumberOfDeliveries()
{
return(ProductQuantities.GroupBy(e => e.Key.Category.Title).Count());
}