private void Response(IAsyncResult result)
{
var tuple = (Tuple <WebRequest, Action <WebSearchResponse> >)result.AsyncState;
var ea = new WebSearchResponse {
Provider = this
};
try
{
var req = tuple.Item1;
var resp = req.EndGetResponse(result);
using (var reader = new StreamReader(resp.GetResponseStream()))
{
var data = reader.ReadToEnd();
ea.Results = ParseResults(data).ToList();
}
tuple.Item2(ea);
}
catch (Exception ex)
{
ea.Exception = ex;
tuple.Item2(ea);
}
}
private void Response(IAsyncResult result)
{
var tuple = (Tuple <WebRequest, Action <WebSearchResponse> >)result.AsyncState;
var ea = new WebSearchResponse {
Provider = this
};
try
{
var req = tuple.Item1;
var resp = req.EndGetResponse(result);
var data = new StreamReader(resp.GetResponseStream(), Encoding.GetEncoding(1251)).ReadToEnd();
ea.Results = LoadXml(data).Select(r => new WebSearchResult {
Name = r.Name, PosterUrl = r.Poster, ReleaseUrl = r.Link, Size = r.Size
}).ToList();
tuple.Item2(ea);
}
catch (Exception ex)
{
ea.Exception = ex;
tuple.Item2(ea);
}
}
private void ProvidersResults(WebSearchResponse response)
{
if (response.Results == null)
{
_client.AsyncOperation.Post(o =>
{
var tab = FindByProvider(response.Provider);
tab.Text = string.Format("{0} (0)", response.Provider.TabTitle);
}, null);
return;
}
foreach (var result in response.Results)
{
result.PosterReceived += DcSharaResPosterReceived;
}
_client.AsyncOperation.Post(o =>
{
infoPanel.Hide();
var tab = FindByProvider(response.Provider);
tab.Text = string.Format("{0} ({1})", response.Provider.TabTitle, response.Results.Count);
var flowPanel = (FlowLayoutPanel)tab.Controls[0];
flowPanel.Controls.Clear();
flowPanel.SuspendDrawing();
foreach (var providerResult in response.Results)
{
var poster = providerResult.Poster;
var control = new PosterControl {
Text = providerResult.Name,
Tag = providerResult
};
if (poster != null)
{
control.Poster = poster;
}
control.Click += control_Click;
flowPanel.Controls.Add(control);
}
flowPanel.ResumeDrawing(true);
flowPanel.Refresh();
}, null);
}
/// <summary>
/// Function to parse web search responses.
/// Displays website name, URL and a short snippet in the UI
/// </summary>
/// <param name="webSearchResponse"></param>
private void ParseWebSearchResponse(WebSearchResponse webSearchResponse)
{
StringBuilder sb = new StringBuilder();
Webpages webPages = webSearchResponse.webPages;
foreach (WebValue website in webPages.value)
{
sb.AppendFormat("{0}\n", website.name);
sb.AppendFormat("URL: {0}\n", website.displayUrl);
sb.AppendFormat("About: {0}\n\n", website.snippet);
}
SearchResults = sb.ToString();
}
public async Task <WebSearchResponse> SearchWeb(string query, SafeSearch safeSearch)
{
string endpoint = string.Format("{0}{1}&safeSearch={2}&count=5&mkt=en-US", "https://api.cognitive.microsoft.com/bing/v5.0/search?q=", query, safeSearch.ToString());
try
{
WebSearchResponse response = await _webRequest.MakeRequest <WebSearchResponse>(endpoint);
return(response);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
return(null);
}
