private void button_Click_2(object sender, RoutedEventArgs e)//add from open library
{
string isbn = txtIsbn.Text.Replace("-", "");
Book b = new Book();
Boolean okay = b.ISBN_Cheker(isbn);//check isbn is valid
if (okay)
{
BookData bd = new BookData();
OLBook book = bd.AccessOpenLibrary(isbn);
if (book.title != null)//if a book was found
{
txtTitle.Text = book.title;
txtAuthor.Text = book.authors[0].name;
if (book.edition_name != null)//if edition was included in json
{
txtEdition.Text = book.edition_name.Replace("edition", "").Replace("Edition", "").Replace("ed.", "");
}
}
}
else
{
MessageBox.Show("Invalid ISBN-10. Try again.");
}
}
public OLBook convertToOLBook(string data, string isbn)//this takes the json and makes an OLBook object
{
JObject rawbook = JObject.Parse(data);
List <JToken> tokens = rawbook[string.Format("ISBN:{0}", isbn)].Children().ToList();
OLBook book = new OLBook();
foreach (var token in tokens)
{
if (token.ToString().Contains("\"details\""))//this section contains the details about the book
{
List <JToken> t = token.Children().ToList();
book = t.First().ToObject <OLBook>();
return(book);
}
}
return(book);
}
public OLBook AccessOpenLibrary(string isbn)//this will take a given isbn number and check it against open library
{
OLBook book = new OLBook();
WebClient wc = new WebClient();
string path = string.Format(@"https://openlibrary.org/api/books?bibkeys=ISBN:{0}&jscmd=details&format=json", isbn);
//connect to api
string data = wc.DownloadString(path);
if (data == "{}")//if openlibrary doesn't have the book
{
MessageBox.Show("No results found on OpenLibrary.");
}
else
{
return(convertToOLBook(data, isbn));
}
return(book);
}
