public Order CreateOrder(Order order)
{
if (order == null)
{
throw new ArgumentNullException(nameof(order));
}
if (order.Id != default(long))
{
throw new ArgumentOutOfRangeException(nameof(order.Id));
}
_context.Orders.Add(order);
_context.SaveChanges();
return(order);
}
public Supplier CreateSupplier(Supplier supplier)
{
if (supplier == null)
{
throw new ArgumentNullException(nameof(supplier));
}
if (supplier.Id != default(long))
{
throw new ArgumentOutOfRangeException(nameof(supplier.Id));
}
_context.Suppliers.Add(supplier);
_context.SaveChanges();
return(supplier);
}
public Product CreateProduct(Product product)
{
if (product == null)
{
throw new ArgumentNullException(nameof(product));
}
if (product.Id != default(long))
{
throw new ArgumentOutOfRangeException(nameof(product.Id));
}
_context.Products.Add(product);
_context.SaveChanges();
return(product);
}
public Customer CreateCustomer(Customer customer)
{
if (customer == null)
{
throw new ArgumentNullException(nameof(customer));
}
if (customer.Id != default(long))
{
throw new ArgumentOutOfRangeException(nameof(customer.Id));
}
_context.Customers.Add(customer);
_context.SaveChanges();
return(customer);
}