private T Fetch <T>(OrderAmazonSettings amazonSettings, IDictionary <string, string> request) where T : class
{
request["Service"] = amazonSettings.Service;
request["AssociateTag"] = amazonSettings.AssociateTag;
request["Version"] = amazonSettings.Version;
SignedRequestHelper helper = new SignedRequestHelper(amazonSettings.AWSAccessKeyID, amazonSettings.AWSSecretKey, amazonSettings.Endpoint);
string requestUrl = helper.Sign(request);
string _awsNamespace = string.Format("http://webservices.amazon.com/{0}/{1}", "AWSECommerceService", "2013-08-01");
try
{
HttpWebRequest webRequest = (System.Net.HttpWebRequest)HttpWebRequest.Create(requestUrl);
webRequest.UserAgent = "Chrome/56.0.2924.87";
webRequest.AllowWriteStreamBuffering = true;
webRequest.Timeout = 20000;
using (WebResponse response = webRequest.GetResponseAsync().Result)
{
using (StreamReader xmlReader = new StreamReader(response.GetResponseStream()))
{
XmlSerializer serializer = new XmlSerializer(typeof(T), _awsNamespace);
T result = (T)serializer.Deserialize(xmlReader);
if (result != null)
{
return(result);
}
}
}
}
catch (Exception ex)
{
var logger = EngineContext.Current.Resolve <ILogger>();
logger.Error(ex.Message, ex);
}
return(null);
}
public CartCreateResponse CartCreate(OrderAmazonSettings amazonSettings, List <Item> items, string responseGroup = "Cart")
{
if (responseGroup == "")
{
responseGroup = responseCartCreate;
}
IDictionary <string, string> request = new Dictionary <string, string>();
request["Operation"] = "CartCreate";
int i = 1;
foreach (var item in items)
{
if (!String.IsNullOrEmpty(item.OfferListingId) && !String.IsNullOrWhiteSpace(item.OfferListingId))
{
request["Item." + i + ".OfferListingId"] = item.OfferListingId;
}
else
{
request["Item." + i + ".ASIN"] = item.ASIN;
}
request["Item." + i + ".Quantity"] = item.Quantity.ToString();
i++;
}
request["ResponseGroup"] = HttpUtility.UrlDecode(responseGroup);
return(Fetch <CartCreateResponse>(amazonSettings, request));
}
public CartClearResponse CartClear(OrderAmazonSettings amazonSettings, string cartId, string hmac, string responseGroup = "Cart")
{
if (responseGroup == "")
{
responseGroup = responseCartCreate;
}
IDictionary <string, string> request = new Dictionary <string, string>();
request["Operation"] = "CartClear";
request["CartId"] = cartId;
request["HMAC"] = hmac;
request["ResponseGroup"] = HttpUtility.UrlDecode(responseGroup);
return(Fetch <CartClearResponse>(amazonSettings, request));
}
