/// <summary>
/// Take a finalized order from the model, and convert it into a db order, adjust store invintories,
/// and insert it.
/// </summary>
/// <exception cref="NullReferenceException">
/// This might throw a null reference if the store has no invintory for an item in the order in the database.
/// </exception>
/// <param name="o">A model order. This order should have had Finalize() called on it, as this method doesn't</param>
public void PlaceOrder(Store.Order o)
{
using Project0DBContext DBContext = new Project0DBContext(dbContextOptions);
Order newOrder = new Order();
//default is null.
int nextid = (DBContext.Orders.OrderByDescending(cust => cust.Id).FirstOrDefault()?.Id ?? 0) + 1;
newOrder.Id = nextid;
newOrder.StoreLocation = o.OrderLoc.Where;
newOrder.Customer = GetDBCustomerByName(DBContext, o.Customer.CustomerName);
newOrder.OrderTime = o.Time;
decimal total = 0;
foreach (ItemCount item in o.Items)
{
total += item.Count * (Decimal)item.ThisItem.cost;
OrderItem orderItem = new OrderItem();
orderItem.Order = newOrder;
orderItem.Quantity = item.Count;
orderItem.ItemId = item.ThisItem.name;
newOrder.OrderItems.Add(orderItem);
//change store stocks, Assumes there's already an invintory entry, otherwise throws exception.
Invintory iv = DBContext.Invintories.Find(o.OrderLoc.Where, item.ThisItem.name);
iv.Quantity -= item.Count;
}
newOrder.OrderTotal = total;
DBContext.Orders.Add(newOrder);
DBContext.SaveChanges();
}
/// <summary>
/// Takes a model customer, creates a DB customer, and sends it to the database. Will register
/// the customer with the data model if the customer isn't already.
/// </summary>
/// <remarks>
/// May throw exceptions if the store name is over 100 characters, or doesn't exist in the DB.
/// </remarks>
/// <param name="customer">The model customer.</param>
public void CreateCustomer(Store.Customer customer)
{
using Project0DBContext DBContext = new Project0DBContext(dbContextOptions);
if (!Customers.Instance.HasCustomer(customer.CustomerName))
{
Customers.Instance.RegisterCustomer(customer);
}
DataModel.Customer newcustomer = new Customer();
newcustomer.Id = (DBContext.Customers.OrderByDescending(cust => cust.Id).Take(1).First().Id) + 1;
newcustomer.LastName = customer.CustomerName.Last;
newcustomer.FirstName = customer.CustomerName.First;
if (customer.CustomerName.MiddleInitial != null)
{
newcustomer.MiddleInitial = customer.CustomerName.MiddleInitial.ToString();
}
if (customer.DefaultStore != null)
{
//TODO: limit to 100 characters.
newcustomer.StoreLocation = customer.DefaultStore.Where;
}
DBContext.Customers.Add(newcustomer);
DBContext.SaveChanges();
}
