public List <PocoBook> FetchBookInfo(PocoBook book)
{
if (PocoBook.IsNullOrEmpty(book))
{
throw new ArgumentNullException(nameof(book), "Book cannot be null.");
}
Uri myquery = CreateQueryOnBook(book);
Rootobject root = ExecuteGoogleRequest(myquery);
root.File = new FileInfo(book.File);
return(FetchBooksInfoFromResponse(root));
}
private Uri CreateQueryOnBook(PocoBook book)
{
if (PocoBook.IsNullOrEmpty(book))
{
throw new ArgumentNullException(nameof(book), "Book cannot be null or empty");
}
string endpoint = "https://www.googleapis.com/books/v1/volumes?q=###&maxResults=40&country=IT";
string query;
if (!string.IsNullOrEmpty(book.Isbnsearch))
{
query = "isbn:" + book.Isbnsearch.Replace("-", "").Replace("ISBN", "", true, null).Replace(" ", "");
endpoint = endpoint.Replace("###", query);
return(new Uri(endpoint));
}
if (!string.IsNullOrEmpty(book.SearchPhrase))
{
query = string.Format(" \"{0}\" ", book.SearchPhrase);
endpoint = endpoint.Replace("###", query);
return(new Uri(endpoint));
}
if (book.Authors == null || book.Authors.Count == 0)
{
query = string.Format("intitle:{0}", book.SearchTitle);
endpoint = endpoint.Replace("###", query);
return(new Uri(endpoint));
}
query = string.Format("intitle:{0}&inauthor:{1}", book.SearchTitle, string.Join(", ", book.Authors));
endpoint = endpoint.Replace("###", query);
return(new Uri(endpoint));
}