/// <summary>
/// Request customer data.
/// </summary>
/// <param name="request">Customer request message.</param>
/// <returns>Customer response message.</returns>
public CustomerResponse GetCustomers(CustomerRequest request)
{
CustomerResponse response = new CustomerResponse();
response.CorrelationId = request.RequestId;
// Validate client tag, access token, and user credentials
if (!ValidRequest(request, response, Validate.All))
return response;
CustomerCriteria criteria = request.Criteria as CustomerCriteria;
string sort = criteria.SortExpression;
if (request.LoadOptions.Contains("Customers"))
{
IEnumerable<Customer> customers;
if (!criteria.IncludeOrderStatistics)
{
// Simple customer list without order information
customers = customerDao.GetCustomers(criteria.SortExpression);
}
else if (sort.IndexOf("NumOrders") >= 0 || sort.IndexOf("LastOrderDate") >= 0)
{
// Sort order is handled by the Order Dao
IList<Customer> list = customerDao.GetCustomers();
customers = orderDao.GetOrderStatistics(list, sort);
}
else
{
// Sort order is handled by the Customer Dao, but alse need order statistics
IList<Customer> list = customerDao.GetCustomers(sort);
customers = orderDao.GetOrderStatistics(list);
}
response.Customers = customers.Select(c => Mapper.ToDataTransferObject(c)).ToList();
}
if (request.LoadOptions.Contains("Customer"))
{
Customer customer = customerDao.GetCustomer(criteria.CustomerId);
if (request.LoadOptions.Contains("Orders"))
customer.Orders = orderDao.GetOrders(customer.CustomerId);
response.Customer = Mapper.ToDataTransferObject(customer);
}
return response;
}
/// <summary>
/// Set (add, update, delete) customer value.
/// </summary>
/// <param name="request">Customer request message.</param>
/// <returns>Customer response message.</returns>
public CustomerResponse SetCustomers(CustomerRequest request)
{
CustomerResponse response = new CustomerResponse();
response.CorrelationId = request.RequestId;
// Validate client tag, access token, and user credentials
if (!ValidRequest(request, response, Validate.All))
return response;
// Transform customer data transfer object to customer business object
Customer customer = Mapper.FromDataTransferObject(request.Customer);
// Validate customer business rules
if (request.Action != "Delete")
{
if (!customer.Validate())
{
response.Acknowledge = AcknowledgeType.Failure;
foreach (string error in customer.ValidationErrors)
response.Message += error + Environment.NewLine;
return response;
}
}
// Run within the context of a database transaction. Currently commented out.
// The Decorator Design Pattern.
//using (TransactionDecorator transaction = new TransactionDecorator())
{
if (request.Action == "Create")
{
customerDao.InsertCustomer(customer);
response.Customer = Mapper.ToDataTransferObject(customer);
response.RowsAffected = 1;
}
else if (request.Action == "Update")
{
response.RowsAffected = customerDao.UpdateCustomer(customer);
response.Customer = Mapper.ToDataTransferObject(customer);
}
else if (request.Action == "Delete")
{
CustomerCriteria criteria = request.Criteria as CustomerCriteria;
Customer cust = customerDao.GetCustomer(criteria.CustomerId);
response.RowsAffected = customerDao.DeleteCustomer(cust);
}
//transaction.Complete();
}
return response;
}
