protected override bool OnBeforeBrowse(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame, IRequest request, bool userGesture, bool isRedirect)
{
try
{
bool newUrl = IsNavigatingToNewUrl(frame.Url);
if (newUrl)
{
this.url = frame.Url;
string strippedUrl = CommonFunctions.StrippedAmazonUrl(this.url);
string product = CommonFunctions.AmazonProductFromUrl(strippedUrl);
if (strippedUrl != "www.amazon.com/" && strippedUrl != "http://www.amazon.com/" && strippedUrl != "https://www.amazon.com/")
{
////Check if user is watching the current url as long as we aren't just on the amazon main page
if (DBHelper.IsWatchingUrl(CommonFunctions.ItemsConnectionString, product))
{
CommonFunctions.UpdatePriceWatchButton(true);
}
else
{
CommonFunctions.UpdatePriceWatchButton(false);
}
}
else
{
CommonFunctions.UpdatePriceWatchButton(false);
}
}
}
catch (Exception ex)
{
CommonFunctions.Log.Error("Error checking url", ex);
}
//returning false allows the browser to continue navigating to the url, true cancels
return(false);
}
private async void PriceWatch_Click(object sender, RoutedEventArgs e)
{
//verify we are on an amazon site
if (urlAddress_txtbox.Text.Contains("amazon.co"))
{
if (!IsWatchingItem())
{
NumericInputDialog priceInput = new Amazon_Price_Checker.NumericInputDialog("Enter your desired price:");
if (priceInput.ShowDialog() == true)
{
try
{
float.TryParse(priceInput.Answer.Trim(), out float desiredPrice);
if (desiredPrice > 0)
{
string itemTitle = string.Empty;
string itemPrice = string.Empty;
await Browser.EvaluateScriptAsync(@"document.getElementById('productTitle').innerHTML").ContinueWith(x =>
{
var response = x.Result;
if (response.Success && response.Result != null)
{
var result = response.Result;
itemTitle = (string)result;
}
});
await Browser.EvaluateScriptAsync(@"document.getElementById('price_inside_buybox').innerHTML").ContinueWith(x =>
{
var response = x.Result;
if (response.Success && response.Result != null)
{
var result = response.Result;
itemPrice = (string)result;
}
});
string url = urlAddress_txtbox.Text.Trim();
float itemPriceF = CommonFunctions.StringPriceToFloat(itemPrice.Trim());
bool itemInserted = DBHelper.InsertItem(CommonFunctions.ItemsConnectionString, CommonFunctions.RemoveSQLCharacters(itemTitle.Trim()), CommonFunctions.StrippedAmazonUrl(url), itemPriceF, desiredPrice);
CommonFunctions.Log.Debug($"Price watching {itemTitle} for {desiredPrice.ToString()}");
CommonFunctions.UpdatePriceWatchButton(itemInserted);
UpdateBrowserStatusText($"{itemTitle.Trim()} is now being watched", "There was an error watching this item at this time. Please try again later", itemInserted);
//Now update watch list tab
FillWatchList();
}
else
{
UpdateBrowserStatusText("", "Desired price must be greater than 0", false);
}
}
catch (Exception userPriceException)
{
CommonFunctions.Log.Error($"Error watching item {urlAddress_txtbox.Text.Trim()}", userPriceException);
UpdateBrowserStatusText("", "There was an error updating your desired price", false);
}
}
}
else
{
NumericInputDialog priceInput = new Amazon_Price_Checker.NumericInputDialog("Enter your updated desired price:");
if (priceInput.ShowDialog() == true)
{
try
{
float.TryParse(priceInput.Answer.Trim(), out float desiredPrice);
if (desiredPrice > 0)
{
DataTable itemIdTable = DBHelper.GetItemID(CommonFunctions.ItemsConnectionString, CommonFunctions.AmazonProductFromUrl(CommonFunctions.StrippedAmazonUrl(urlAddress_txtbox.Text.Trim())));
if (itemIdTable.Rows.Count > 0)
{
int itemID = Int32.Parse(itemIdTable.Rows[0]["ItemID"].ToString());
bool updated = DBHelper.UpdateDesiredPrice(CommonFunctions.ItemsConnectionString, itemID, desiredPrice);
UpdateBrowserStatusText("The desired price has been updated", "There was an error updating your desired price", updated);
FillWatchList();
}
}
}
catch (Exception updateDesiredPriceException)
{
CommonFunctions.Log.Error($"Error updating desired price {urlAddress_txtbox.Text.Trim()}", updateDesiredPriceException);
UpdateBrowserStatusText("", "There was an error updating your desired price", false);
}
}
}
}
else
{
MessageBox.Show("Amazon items are the only items able to me monitored",
"Price Watch Error",
MessageBoxButton.OK,
MessageBoxImage.Exclamation);
Browser.Address = "www.amazon.com";
}
}
