/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
var jsonObjectString = (string)e.NavigationParameter;
var forumInfo = JsonConvert.DeserializeObject<ForumEntity>(jsonObjectString);
if (forumInfo == null) return;
pageTitle.Text = string.Format("New Thread - {0}", forumInfo.Name);
_forumEntity = forumInfo;
_newThreadEntity = await _threadManager.GetThreadCookies(forumInfo.ForumId);
if (_newThreadEntity == null)
{
var msgDlg = new MessageDialog("You can't make a new thread in this forum!");
await msgDlg.ShowAsync();
Frame.GoBack();
return;
}
var blankPostIconEntity = new PostIconEntity {Id = 0, Title = "Shit"};
PostIconImage.Source = new BitmapImage(new Uri("ms-appx://Assets/shitpost.gif"));
_postIcon = blankPostIconEntity;
}
public async Task<bool> CreateNewThread(NewThreadEntity newThreadEntity)
{
if (newThreadEntity == null)
return false;
var form = new MultipartFormDataContent
{
{new StringContent("postthread"), "action"},
{new StringContent(newThreadEntity.Forum.ForumId.ToString(CultureInfo.InvariantCulture)), "forumid"},
{new StringContent(newThreadEntity.FormKey), "formkey"},
{new StringContent(newThreadEntity.FormCookie), "form_cookie"},
{new StringContent(newThreadEntity.PostIcon.Id.ToString(CultureInfo.InvariantCulture)), "iconid"},
{new StringContent(HtmlEncode(newThreadEntity.Subject)), "subject"},
{new StringContent(HtmlEncode(newThreadEntity.Content)), "message"},
{new StringContent(newThreadEntity.ParseUrl.ToString()), "parseurl"},
{new StringContent("Submit Reply"), "submit"}
};
HttpResponseMessage response = await _webManager.PostFormData(Constants.NEW_THREAD_BASE, form);
return response.IsSuccessStatusCode;
}
public async Task<string> CreateNewThreadPreview(NewThreadEntity newThreadEntity)
{
if (newThreadEntity == null)
return string.Empty;
var form = new MultipartFormDataContent
{
{new StringContent("postthread"), "action"},
{new StringContent(newThreadEntity.Forum.ForumId.ToString(CultureInfo.InvariantCulture)), "forumid"},
{new StringContent(newThreadEntity.FormKey), "formkey"},
{new StringContent(newThreadEntity.FormCookie), "form_cookie"},
{new StringContent(newThreadEntity.PostIcon.Id.ToString(CultureInfo.InvariantCulture)), "iconid"},
{new StringContent(HtmlEncode(newThreadEntity.Subject)), "subject"},
{new StringContent(HtmlEncode(newThreadEntity.Content)), "message"},
{new StringContent(newThreadEntity.ParseUrl.ToString()), "parseurl"},
{new StringContent("Submit Post"), "submit"},
{new StringContent("Preview Post"), "preview"}
};
// We post to SA the same way we would for a normal reply, but instead of getting a redirect back to the
// thread, we'll get redirected to back to the reply screen with the preview message on it.
// From here we can parse that preview and return it to the user.
HttpResponseMessage response = await _webManager.PostFormData(Constants.NEW_THREAD_BASE, form);
Stream stream = await response.Content.ReadAsStreamAsync();
using (var reader = new StreamReader(stream))
{
string html = reader.ReadToEnd();
var doc = new HtmlDocument();
doc.LoadHtml(html);
HtmlNode[] replyNodes = doc.DocumentNode.Descendants("div").ToArray();
HtmlNode previewNode =
replyNodes.FirstOrDefault(node => node.GetAttributeValue("class", "").Equals("inner postbody"));
return previewNode == null ? string.Empty : FixPostHtml(previewNode.OuterHtml);
}
}
public async Task<NewThreadEntity> GetThreadCookies(long forumId)
{
try
{
string url = string.Format(Constants.NEW_THREAD, forumId);
WebManager.Result result = await _webManager.GetData(url);
HtmlDocument doc = result.Document;
HtmlNode[] formNodes = doc.DocumentNode.Descendants("input").ToArray();
HtmlNode formKeyNode =
formNodes.FirstOrDefault(node => node.GetAttributeValue("name", "").Equals("formkey"));
HtmlNode formCookieNode =
formNodes.FirstOrDefault(node => node.GetAttributeValue("name", "").Equals("form_cookie"));
var newForumEntity = new NewThreadEntity();
try
{
string formKey = formKeyNode.GetAttributeValue("value", "");
string formCookie = formCookieNode.GetAttributeValue("value", "");
newForumEntity.FormKey = formKey;
newForumEntity.FormCookie = formCookie;
return newForumEntity;
}
catch (Exception)
{
throw new InvalidOperationException("Could not parse new thread form data.");
}
}
catch (Exception)
{
return null;
}
}