// Threaded function
private void scrapeBook(string ISBN)
{
this.Invoke((MethodInvoker) delegate()
{
updateLabel.Text = ISBN;
detailsListBox.Text += "Scraping " + ISBN + "... ";
});
AmazonScraper amazon = new AmazonScraper();
try
{
string url = "https://www.amazon.com/Clash-Kings-Song-Fire-Book/dp/" + ISBN + "/ref=tmm_hrd_swatch_0?_encoding=UTF8&qid=1559015792&sr=8-2";
string page = amazon.getPage(url);
Book book = amazon.getBook(ISBN, page);
pushBookToTable(book);
}
catch (Exception ex)
{
this.Invoke((MethodInvoker) delegate()
{
detailsListBox.Text += "error: " + ex.Message + "!";
errorListText.Text += ISBN + Environment.NewLine;
});
}
this.Invoke((MethodInvoker) delegate()
{
progress.PerformStep();
detailsListBox.Text += Environment.NewLine;
});
}
// When the search button is clicked
private void searchButton_Click(object sender, EventArgs e)
{
if (textBox1.Text.Length != 10)
{
return;
}
string url = "https://www.amazon.com/Clash-Kings-Song-Fire-Book/dp/" + textBox1.Text + "/ref=tmm_hrd_swatch_0?_encoding=UTF8&qid=1559015792&sr=8-2";
AmazonScraper scraper = new AmazonScraper();
// Restart progress bar and update label
{
progress.Value = 0;
updateLabel.Text = "Downloading webpage...";
Update();
}
// Retrieve the page
string page = scraper.getPage(url);
if (page == null)
{
showError("ISBN not valid!");
updateLabel.Text = "Click search to scrape for an ISBN";
progress.Value = 0;
return;
}
// Update progress bar and update label
{
progress.Value = 50;
updateLabel.Text = "Finding information...";
Update();
}
Book book = scraper.getBook(textBox1.Text, page);
progress.Value = 100;
if (book == null)
{
showError("ISBN not valid!");
return;
}
pushBookToTable(book);
updateLabel.Text = "Click search to scrape for an ISBN";
}