public async Task <bool> CreateAsync(Product product)
{
context.Products.Add(product);
try
{
return(await context.SaveChangesAsync() == 1);
}
catch (DbUpdateException)
{
return(false);
}
}
public async Task <int> CreateAsync(Order order)
{
Debug.WriteLine(context.Entry(order).State);
//is there an existing provisional order with this account id
if (context.Orders.Any(o => o.AccountId == order.AccountId &&
o.OrderStatus == OrderStatus.Provisional))
{
throw new InvalidOperationException("A provisional order for this AccountId already exists");
}
context.Add(order); //if the Account property is set, a row will be added to the Account table
Debug.WriteLine(context.Entry(order).State);
await context.SaveChangesAsync();
Debug.WriteLine(context.Entry(order).State);
return(order.OrderId);
}