/// <summary>
/// Sends and process an order to the database.
/// </summary>
/// <param name="order">The order to process</param>
public async Task SendOrderTransaction(IOrder order)
{
using var context = new DigitalStoreContext(Options);
if (order.ShoppingCartQuantity.Count == 0)
{
throw new OrderException("Cannot submit order with no products in cart.");
}
var productIds = order.ShoppingCartQuantity.Keys.Select(s => s.Id).ToList();
var foundProducts = await context.Products.Where(p => productIds.Contains(p.Id)).ToListAsync();
if (productIds.Count != foundProducts.Count)
{
throw new OrderException("One or more Products in cart did not exist in the database.");
}
PurchaseOrder purchaseOrder = new PurchaseOrder()
{
// TODO: Replace with proper authentication and unique identification using a Login System
CustomerId = order.Customer.Id,
DateProcessed = DateTime.Now,
OrderLines = new List <OrderLine>(),
StoreLocationId = order.StoreLocation.Id
};
await AddProductsToOrder(order, context, foundProducts, purchaseOrder);
await context.PurchaseOrders.AddAsync(purchaseOrder);
await context.SaveChangesAsync();
}
/// <summary>
/// Creates a customer and adds it into the database. It does not check for duplicates before creating it.
/// </summary>
/// <param name="firstName">The first name of the customer.</param>
/// <param name="lastName">The last name of the customer.</param>
public async Task CreateCustomerAsync(Library.Model.INewCustomer customer)
{
using var context = new DigitalStoreContext(Options);
bool lastNameIsEmpty = string.IsNullOrWhiteSpace(customer.LastName);
await context.Customers.AddAsync(new Customer()
{
FirstName = customer.FirstName,
LastName = lastNameIsEmpty ? null : customer.LastName
});
await context.SaveChangesAsync();
}