public void InsirtCustomer(CustomerView newCustomer)
{
Validator <CustomerView> .ValidateNull(newCustomer, Convertors.FirstLetterToUpper(nameof(newCustomer)));
var customer = ConvertToCustomer(newCustomer);
this.context.Customers.Add(customer);
this.context.SaveChanges();
}
public void ModifyCustomer(CustomerView modifiedCustomer)
{
Validator <CustomerView> .ValidateNull(modifiedCustomer, Convertors.FirstLetterToUpper(nameof(modifiedCustomer)));
var customer = this.GetCustomerById(modifiedCustomer.CustomerID);
var values = context.Entry(customer).CurrentValues;
values.SetValues(modifiedCustomer);
context.SaveChanges();
}
private Customer GetCustomerById(string customerId)
{
Validator <string> .ValidateId(customerId);
var customer = this.context.Customers.SingleOrDefault(c => c.CustomerID == customerId);
if (customer == null)
{
throw new ArgumentNullException(
Convertors.FirstLetterToUpper(nameof(customer)),
$"{Convertors.FirstLetterToUpper(nameof(customer))} with id {customerId} doesn't exist.");
}
return(customer);
}
