protected async void BookSearchButton_Click(object sender, EventArgs e)
{
List <Book> Books = new List <Book>();
try
{
Books = await WebTasks.FindBooks(BookSearchForm.Text);
}
catch (Exception exception)
{
ExceptionHandler(exception);
throw new Exception();
}
Session["books"] = Books;
if (Books.Count > 0)
{
ShowSearchResults();
BooksList.DataSource = Books;
BooksList.DataBind();
BooksList.Rows = Math.Max(6, Books.Count / 4);
BooksList.SelectedIndex = 0;
}
else
{
SearchInProgressMessage.InnerHtml = "No results found. Try again!";
}
}
protected async void BookListSelectionButton_Click(object sender, EventArgs e)
{
var index = BooksList.SelectedIndex;
var books = (List <Book>)Session.Contents["books"];
var bookToDownload = new Book(null, null, null);
try
{
bookToDownload = books.ElementAt(index);
}
catch (Exception exception) {
ExceptionHandler(exception);
}
Book downloadedBook = null;
if (bookToDownload != null)
{
try
{
downloadedBook = await WebTasks.DownloadText(bookToDownload);
}
catch (Exception exception) {
ExceptionHandler(exception);
throw new Exception();
}
}
if (downloadedBook != null)
{
var sentences = SentencesParserTask.ParseSentences(downloadedBook.Text);
var frequencyDictionary = FrequencyAnalysisTask.GetMostFrequentNextWords(sentences);
Session["dictionary"] = frequencyDictionary;
ShowAnalyzeForm();
}
else
{
ExceptionHandler(new NullReferenceException("Book link returned null"));
}
}