public DomesticResponse ValidateRequest(DomesticRequest request)
{
var result = new DomesticResponse();
if (request == null)
{
result.Errors.Add(new USPSError {
Description = "Request was null"
});
return(result);
}
if (request.Packages.Count < 1)
{
result.Errors.Add(new USPSError {
Description = "Request requires at least one package."
});
}
if (request.UserId.Trim().Length < 1)
{
result.Errors.Add(new USPSError {
Description = "UserId is Required for Requests"
});
}
return(result);
}
public DomesticResponse ProcessRequest(DomesticRequest request)
{
LastResponse = string.Empty;
LastRequest = string.Empty;
// Validate Request First
var result = ValidateRequest(request);
if (result.Errors.Count > 0)
{
return(result);
}
try
{
var sURL = request.ApiUrl;
sURL += "?API=RateV4&XML=";
// Build XML
var requestXml = string.Empty;
var sw = new StringWriter(CultureInfo.InvariantCulture);
var xw = new XmlTextWriter(sw)
{
Formatting = Formatting.None
};
// Start Request
xw.WriteStartElement("RateV4Request");
xw.WriteAttributeString("USERID", request.UserId);
xw.WriteElementString("Revision", request.Revision);
foreach (var pak in request.Packages)
{
pak.WriteToXml(ref xw);
}
//End Rate Request
xw.WriteEndElement();
xw.Flush();
xw.Close();
requestXml = sw.GetStringBuilder().ToString();
if (!requestXml.StartsWith("<"))
{
requestXml = requestXml.Substring(1, requestXml.Length - 1);
}
// Diagnostics
LastRequest = requestXml;
var sResponse = string.Empty;
var dataToSend = sURL + HttpUtility.UrlEncode(requestXml);
sResponse = readHtmlPage(dataToSend);
// Diagnostics
LastResponse = sResponse;
result = new DomesticResponse(sResponse);
}
catch (Exception ex)
{
result.Errors.Add(new USPSError
{
Description = ex.Message + " " + ex.StackTrace,
Source = "HCC Exception"
});
}
return(result);
}