private void GetInfoFromISBN(string isbn, string technology)
{
if (isbn.Length != 10)
{
return;
}
AWSProductData productData = new AWSProductData();
ItemLookup lookup = null;
try
{
ItemLookupRequest req = new ItemLookupRequest();
req.IdType = ItemLookupRequestIdType.ASIN;
req.ItemId = new string[1];
req.ItemId[0] = isbn;
// req.SearchIndex = "Books";
lookup = new ItemLookup();
lookup.AssociateTag = "libertyassocia00A";
lookup.SubscriptionId = "0SD959SZV6KXV3BKE2R2";
lookup.Request = new ItemLookupRequest[1];
lookup.Request[0] = req;
}
catch (System.Exception e)
{
lblStatus.Text = e.Message;
}
ItemLookupResponse response;
Items info;
Item[] items;
Item item;
int salesRank = -1;
string author = string.Empty;
string pubDate = string.Empty;
string publisher = string.Empty;
string title = string.Empty;
string strURL = string.Empty;
try
{
response = productData.ItemLookup(lookup);
info = response.Items[0];
items = info.Item;
item = items[0];
salesRank = item.SalesRank == null ? -1 : Convert.ToInt32(item.SalesRank);
author = FixQuotes(item.ItemAttributes.Author[0]);
pubDate = FixQuotes(item.ItemAttributes.PublicationDate);
publisher = FixQuotes(item.ItemAttributes.Publisher);
title = FixQuotes(item.ItemAttributes.Title);
strURL = item.DetailPageURL;
}
catch (System.Exception ex)
{
lblStatus.Text = ex.Message;
}
// update the list box
string results = title + " by " + author + ": " +
publisher + ", " + pubDate + ". Rank: " + salesRank;
lbOutput.Items.Add(results);
lbOutput.SelectedIndex = lbOutput.Items.Count - 1;
// update the database
string commandString = @"Update BookInfo set isbn = '" +
isbn + "', title = '" + title + "', publisher = '" +
publisher + "', pubDate = '" + pubDate + "', rank = " +
salesRank + ", link = '" + strURL + "', lastUpdate = '" +
System.DateTime.Now + "', technology = '" +
technology + "', author = '" +
author + "' where isbn = '" +
isbn + "'";
command.CommandText = commandString;
try
{
// if no rows were affected, this is a new record
connection.Open();
int numRowsAffected = command.ExecuteNonQuery();
if (numRowsAffected == 0)
{
commandString = @"Insert into BookInfo values ('" +
isbn + "', '" + title + "', '" + publisher + "', '" +
pubDate + "', '" + FixQuotes(strURL) + "', " + salesRank + ", '" +
System.DateTime.Now +
"', '" + technology + "', '" + author + "')";
command.CommandText = commandString;
command.ExecuteNonQuery();
}
}
catch (Exception ex)
{
lblStatus.Text = ex.Message;
lbOutput.Items.Add("Unable to update database!");
lbOutput.SelectedIndex = lbOutput.Items.Count - 1;
}
finally
{
connection.Close(); // clean up
}
} // close for GetInfoFromISBN
