//Method to do an ISBN-based lookup and return the signed URL
public static string lookup(string track, string album, string artist)
{
string signedUrl = "";
try
{
APIsettings set = new APIsettings();
ArrayList parsed = new ArrayList();
parsed = set.parse();
string MY_AWS_ACCESS_KEY_ID = parsed[0].ToString(), MY_AWS_SECRET_KEY = parsed[1].ToString();
//Helper signs the requests
SignedRequestHelper helper = new SignedRequestHelper(MY_AWS_ACCESS_KEY_ID, MY_AWS_SECRET_KEY, DESTINATION);
//Helper looks for a dictionary containing all of the bits of the URL
IDictionary<string, string> url = new Dictionary<string, String>();
url["Service"] = "AWSECommerceService";
url["Version"] = "2011-08-01";
url["Operation"] = "ItemSearch";
url["Keywords"] = track + ", " + album + ", " + artist;
url["SearchIndex"] = "MP3Downloads";
url["ResponseGroup"] = "Large";
url["AssociateTag"] = "AssociateTag=openlibrary07-20";
//Pass dictionary to helper, get the signed URL back out as a string
signedUrl = helper.Sign(url);
return signedUrl;
}
catch
{
MessageBox.Show("Unfortunately, music preview isn't available for this track.");
}
return signedUrl;
}
//Method to do an ISBN-based lookup and return the signed URL
public static string otherlookup(string UPC)
{
APIsettings set = new APIsettings();
ArrayList parsed = new ArrayList();
parsed = set.parse();
string MY_AWS_ACCESS_KEY_ID = parsed[0].ToString(), MY_AWS_SECRET_KEY = parsed[1].ToString();
//Helper signs the requests
SignedRequestHelper helper = new SignedRequestHelper(MY_AWS_ACCESS_KEY_ID, MY_AWS_SECRET_KEY, DESTINATION);
//Helper looks for a dictionary containing all of the bits of the URL
IDictionary<string, string> url = new Dictionary<string, String>();
url["Service"] = "AWSECommerceService";
url["Version"] = "2011-08-01";
url["Operation"] = "ItemLookup";
url["IdType"] = "UPC";
url["SearchIndex"] = "All";
url["ItemId"] = UPC;
url["ResponseGroup"] = "Large";
url["AssociateTag"] = "AssociateTag=openlibrary07-20";
//Pass dictionary to helper, get the signed URL back out as a string
string signedUrl = helper.Sign(url);
return signedUrl;
}
