public void ProcessNews(object sender, DownloadStringCompletedEventArgs e)
{
MemoryStream ms = null;
if ((e == null && !_fromCache) || (e != null && (e.Error != null || e.Cancelled)))
{
_news = true;
return;
}
if (e == null && _fromCache)
{
ms = new MemoryStream(Encoding.UTF8.GetBytes(LoadFromStorage("news", ".json")));
}
else if (e != null)
{
ms = new MemoryStream(Encoding.UTF8.GetBytes(SaveToStorage("news", ".json", e.Result)));
}
var serializer = new DataContractJsonSerializer(typeof(ObservableCollection <NewsItemViewModel>));
if (ms != null)
{
var list = (ObservableCollection <NewsItemViewModel>)serializer.ReadObject(ms);
if (list == null)
{
return;
}
foreach (var newsItemView in list)
{
NewsItems.Add(newsItemView);
}
}
_news = true;
NotifyPropertyChanged("GroupedNews");
}
public bool AddNewsItem(NewsItem news)
{
if (news != null)
{
if (_containerDAL.Save(news))
{
NewsItems.Add(news);
return(true);
}
}
return(false);
}
public bool AddNewsItem(NewsItem news)
{
if (news != null)
{
INewsItemDTO dTO = news;
if (containerDAL.Save(dTO))
{
NewsItems.Add(news);
return(true);
}
}
return(false);
}
public void LoadData(object param = null)
{
// Load Trovesaurus data from API
try
{
log.Info("Loading Trovesaurus news, calendar, and streams data");
if (_StatusTimer == null)
{
StartStatusTimer();
}
CheckStatus();
TrovesaurusApi.RefreshNewsList();
NewsItems.Clear();
foreach (var item in TrovesaurusApi.NewsList)
{
NewsItems.Add(item);
}
TrovesaurusApi.RefreshCalendarList();
CalendarItems.Clear();
foreach (var item in TrovesaurusApi.CalendarList)
{
CalendarItems.Add(item);
}
TrovesaurusApi.RefreshStreamList();
OnlineStreams.Clear();
foreach (var item in TrovesaurusApi.StreamList)
{
OnlineStreams.Add(item);
}
CalendarView.SortDescriptions.Clear();
CalendarView.SortDescriptions.Add(new SortDescription("EndDateTime", ListSortDirection.Ascending));
log.Info("Trovesaurus news, calendar, and streams data loaded successfully");
}
catch (Exception ex)
{
log.Error("Error loading Trovesaurus news, calendar or streams", ex);
}
}
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
// If _isNewPageInstance is true, the page constuctor has been called, so
// state may need to be restored
if (isNewPageInstance)
{
// Define the query to gather all of the to-do items.
var rssItemsInDb = from RssItem todo in rssItemDb.RssItems
select todo;
// Execute the query and place the results into a collection.
ObservableCollection <RssItem> items = new ObservableCollection <RssItem>(rssItemsInDb);
for (int i = 0; i < items.Count; i++)
{
switch (items[i].ItemType)
{
case RssItem.RssItemType.News:
NewsItems.Add(items[i]);
break;
case RssItem.RssItemType.Sports:
SportsItems.Add(items[i]);
break;
case RssItem.RssItemType.Twitter:
TwitterItems.Add(items[i]);
break;
}
}
if (State.Count > 0)
{
object defaultItem = mainPanorama.Items[(int)State[panoramaIndex]];
mainPanorama.SetValue(Panorama.SelectedItemProperty, defaultItem);
}
else
{
mainPanorama.DefaultItem = 0;
}
}
// Call the base method.
base.OnNavigatedTo(e);
}
public async Task Init()
{
var client = new SyndicationClient();
var feed = await client.RetrieveFeedAsync(
new Uri("http://rss.cnn.com/rss/edition_technology.rss", UriKind.Absolute));
foreach (var item in feed.Items)
{
var element = item.
ElementExtensions.FirstOrDefault(e => e.NodeName == "thumbnail");
var attribute = element.AttributeExtensions.FirstOrDefault(ae => ae.Name == "url");
var uri = attribute?.Value;
var imageUri = uri ?? "https://pbs.twimg.com/profile_images/508960761826131968/LnvhR8ED.png";
NewsItems.Add(new NewsItemVmi
{
Title = item.Title.Text,
Image = imageUri,
Published = item.PublishedDate.ToString("g")
});
}
}
public override void Process()
{
VkApi api = new VkApi();
api.Authorize(new ApiAuthParams
{
ApplicationId = 123456,
AccessToken = Token,
Settings = Settings.All
});
WallGetObject wall = api.Wall.Get(new WallGetParams
{
Domain = Channel.Url
});
if (wall != null && wall.WallPosts.Count > 0)
{
foreach (Post post in wall.WallPosts)
{
if (!Channel.LastSynchronizationDate.HasValue ||
(post.Date.HasValue && post.Date >= Channel.LastSynchronizationDate.Value))
{
NewsItems.Add(new NewsItemContract
{
ChannelId = Channel.Id,
Date = post.Date.Value,
Title = post.Text.TruncateSpecialSymbols(),
Description = post.Text.TruncateSpecialSymbols(),
Text = post.Text,
Url = $"https://vk.com/{Channel.Url}?w=wall{post.OwnerId}_{post.Id}"
});
}
}
}
FilterNewsItemsByTags();
SaveNewsItems();
}
async Task ExecuteLoadItemsCommand()
{
IsBusy = true;
try
{
NewsItems.Clear();
var activities = await DataStore.GetItemsAsync(true);
foreach (var activity in activities)
{
NewsItems.Add(activity);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
private void LoadNewsFeed()
{
NewsProvider.GetVideos((videos, exception) =>
{
SmartDispatcher.BeginInvoke(() =>
{
NewsItems.Clear();
if (videos.Count >= 2)
{
NewsItems.Add(new NewsItem()
{
Title = Properties.Resources.WebTV_DMI,
WebTVItem = videos.FirstOrDefault(v => v.Category == "DMI"),
});
NewsItems.Add(new NewsItem()
{
Title = Properties.Resources.WebTV_3D,
WebTVItem = videos.FirstOrDefault(v => v.Category == "3D"),
});
}
NewsProvider.GetNewsItems((items, e) =>
{
SmartDispatcher.BeginInvoke(() =>
{
foreach (var item in items)
{
NewsItems.Add(item);
}
});
});
});
});
}
public static void Add(NewsItemContract item)
{
NewsItems.Add(item);
}
private void Parse()
{
HtmlNode n = HtmlDocument.GetElementbyId("news-main");
foreach (var node in n.ChildNodes)
{
if (node.GetType() == typeof(HtmlNode) && node.HasAttributes)
{
if (node.Attributes["class"].Value == "g-section news sfe-break-bottom-16")
{
NewsFeed newsFeed = new NewsFeed();
foreach (var feedNode in node.ChildNodes)
{
if (feedNode.HasAttributes && feedNode.Attributes["class"].Value == "name")
{
HtmlNode nn = HtmlNode.CreateNode(feedNode.InnerHtml.Trim());
newsFeed.NewsLink = new Uri(nn.Attributes["href"].Value);
newsFeed.Title = nn.InnerText;
}
else if (feedNode.HasAttributes && feedNode.Attributes["class"].Value == "byline")
{
HtmlNode nn = HtmlNode.CreateNode(feedNode.InnerHtml);
newsFeed.Source = nn.NextSibling.InnerText;
}
else if (feedNode.HasAttributes && feedNode.Attributes["class"].Value == "g-c")
{
//HtmlNode nn=null;
foreach (var div in feedNode.ChildNodes)
{
if (div.Name == "div")
{
newsFeed.Snapshot = HtmlNode.CreateNode(div.InnerHtml.Trim()).InnerText;
//nn = div;
break;
}
}
//HtmlNode nn = HtmlNode.CreateNode(feedNode.NextSibling.InnerHtml);
//newsFeed.Snapshot = nn.InnerText;
//if (nn != null)
//{
foreach (var nnn in feedNode.ChildNodes)
{
//var i
try
{
if (nnn.HasAttributes && nnn.Attributes["class"].Value == "more-rel")
{
newsFeed.RelatedNewsLinks.Add(new Uri(nnn.Attributes["href"].Value));
}
}
catch (Exception ex)
{
// Gobble the exception up.
}
}
//}
}
}
NewsItems.Add(newsFeed);
}
}
}
}