public Customer GetCustomerById(string id)
{
OrdersManagementDataSet.CustomersRow customerRow = repository.Customers.FindByCustomerId(id);
if (customerRow == null)
{
return(null);
}
return(TranslateFromCustomerRowToCustomerEntity(customerRow));
}
private static Customer TranslateFromCustomerRowToCustomerEntity(OrdersManagementDataSet.CustomersRow customersRow)
{
Customer customer = new Customer();
customer.Address = customersRow.IsAddressNull() ? null : customersRow.Address;
customer.City = customersRow.IsCityNull() ? null : customersRow.City;
customer.CompanyName = customersRow.CompanyName;
customer.CustomerId = customersRow.CustomerId;
customer.PostalCode = customersRow.IsPostalCodeNull() ? null : customersRow.PostalCode;
customer.Region = customersRow.IsRegionNull() ? null : customersRow.Region;
return(customer);
}
private void AddCustomer(OrdersManagementDataSet ds, string customerId, string companyName)
{
OrdersManagementDataSet.CustomersRow row = ds.Customers.NewCustomersRow();
row.CustomerId = customerId;
row.CompanyName = companyName;
row.City = string.Empty;
row.Region = string.Empty;
row.PostalCode = string.Empty;
row.Address = string.Empty;
ds.Customers.AddCustomersRow(row);
ds.AcceptChanges();
}
private void AddCustomer(OrdersManagementDataSet ds, string customerId, string companyName, string city, string state, string zipCode, string address)
{
OrdersManagementDataSet.CustomersRow row = ds.Customers.NewCustomersRow();
row.CustomerId = customerId;
row.CompanyName = companyName;
row.City = city;
row.Region = state;
row.PostalCode = zipCode;
row.Address = address;
ds.Customers.AddCustomersRow(row);
ds.AcceptChanges();
}
public void CanReadAllCustomerProperties()
{
OrdersManagementDataSet ds = new OrdersManagementDataSet();
OrdersManagementDataSet.CustomersRow row = ds.Customers.NewCustomersRow();
row.CustomerId = "42";
row.Address = "My Address";
row.City = "My City";
row.CompanyName = "My Company";
row.PostalCode = "12345";
row.Region = "My Region";
ds.Customers.AddCustomersRow(row);
ds.Customers.AcceptChanges();
CustomerService customerService = new CustomerService(ds);
Customer customer = customerService.GetCustomerById("42");
Assert.IsNotNull(customer);
Assert.AreEqual("My Address", customer.Address);
Assert.AreEqual("My City", customer.City);
Assert.AreEqual("My Company", customer.CompanyName);
Assert.AreEqual("12345", customer.PostalCode);
Assert.AreEqual("My Region", customer.Region);
}
