private void RemoveFeed(object obj)
{
var f = SelectedFeed as FeedViewModel;
FeedsList.Remove(f);
_model.RemoveFeed(f.GetModel());
}
public ManageRssFeedsViewModel()
{
EditedRssFeed.Url = "http://developmentsimplyput.blogspot.com/feeds/posts/default?alt=rss";
EditedRssFeed.Title = "Test";
FeedsList.Add(new RssFeedViewModel("Sample 1", "http://developmentsimplyput.blogspot.com/feeds/posts/default?alt=rss"));
FeedsList.Add(new RssFeedViewModel("Sample 2", "http://www.feedforall.com/sample.xml"));
FeedsList.Add(new RssFeedViewModel("Sample 3", "http://www.feedforall.com/sample-feed.xml"));
FeedsList.Add(new RssFeedViewModel("Sample 4", "http://www.feedforall.com/blog-feed.xml"));
FeedsList.Add(new RssFeedViewModel("Sample 5", "http://www.rss-specifications.com/blog-feed.xml"));
FeedsList.Add(new RssFeedViewModel("Sample 6", "http://news.google.us/nwshp?hl=en&tab=wn&output=rss"));
FeedsList.Add(new RssFeedViewModel("Sample 7", "http://feeds.abcnews.com/abcnews/topstories"));
FeedsList.Add(new RssFeedViewModel("Sample 8", "http://feeds.abcnews.com/abcnews/internationalheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 9", "http://feeds.abcnews.com/abcnews/usheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 10", "http://feeds.abcnews.com/abcnews/politicsheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 11", "http://feeds.abcnews.com/abcnews/blotterheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 12", "http://feeds.abcnews.com/abcnews/thelawheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 13", "http://feeds.abcnews.com/abcnews/moneyheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 14", "http://feeds.abcnews.com/abcnews/technologyheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 15", "http://feeds.abcnews.com/abcnews/healthheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 16", "http://feeds.abcnews.com/abcnews/entertainmentheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 17", "http://feeds.abcnews.com/abcnews/travelheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 18", "http://feeds.abcnews.com/abcnews/sportsheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 19", "http://feeds.abcnews.com/abcnews/worldnewsheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 20", "http://feeds.abcnews.com/abcnews/2020headlines"));
FeedsList.Add(new RssFeedViewModel("Sample 21", "http://feeds.abcnews.com/abcnews/primetimeheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 22", "http://feeds.abcnews.com/abcnews/nightlineheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 23", "http://feeds.abcnews.com/abcnews/gmaheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 24", "http://feeds.abcnews.com/abcnews/thisweekheadlines"));
FeedsList.Add(new RssFeedViewModel("Sample 25", "http://abcnews.go.com/Site/page/rss--3520115#top"));
FeedsList.Add(new RssFeedViewModel("Sample 26", "http://feeds.abcnews.com/abcnews/mostreadstories"));
}
public void DeleteRssFeed(RssFeedViewModel rssFeed)
{
if (rssFeed != null)
{
FeedsList.Remove(rssFeed);
}
}
public void DeleteRssFeed(Guid rssFeedId)
{
RssFeedViewModel found = FeedsList.DefaultIfEmpty(null).FirstOrDefault(feed => feed.Id == rssFeedId);
if (found != null)
{
DeleteRssFeed(found);
}
}
public RssFeedViewModel AddRssFeed(RssFeedViewModel rssFeed)
{
if (rssFeed != null)
{
FeedsList.Add(rssFeed);
}
return(rssFeed);
}
public Feeds(bool beSeen, string name, string feedUrl, string imagePath)
{
ToBeSeen = beSeen;
Name = name;
FeedUrl = feedUrl;
ImagePath = imagePath;
FeedsList.Add(this);
}
private async Task SaveFavoritesData()
{
RssFeedModel favorites = FeedsList.Where(f => f.Link.Equals(new Uri("http://localhost"))).FirstOrDefault();
byte[] array = serialize(favorites, typeof(RssFeedModel));
var file = await storageFolder.CreateFileAsync("favorites.dat", CreationCollisionOption.ReplaceExisting);
await FileIO.WriteBytesAsync(file, array);
}
private void AddFeed(object obj)
{
var f = new FeedViewModel(new FeedModel("about:blank"));
var dialog = new AddFeedDialog(f);
bool?res = dialog.ShowDialog();
if (!((res == null) || !res.Value))
{
if (!string.IsNullOrEmpty(f.Link))
{
FeedsList.Add(f);
_model.AddFeed(f.GetModel());
}
}
}
private async Task AddRssFeed(string url)
{
try
{
SyndicationClient client = new SyndicationClient();
Uri myUri;
if (Uri.TryCreate(url, UriKind.Absolute, out myUri))
{
if ((myUri.Scheme == "http" || myUri.Scheme == "https"))
{
SyndicationFeed feed = await client.RetrieveFeedAsync(new Uri(url));
RssFeedModel feedModel = new RssFeedModel(feed.Title.Text, feed.Subtitle != null ? feed.Subtitle.Text : "", new Uri(url), null);
feedModel.ArticleList = new ObservableCollection <RssArticleModel>(feed.Items.Select(f =>
new RssArticleModel(f.Title.Text,
f.Summary != null ? Regex.Replace(Regex.Replace(f.Summary.Text, "\\&.{0,4}\\;", string.Empty), "<.*?>", string.Empty) : "",
f.Authors.Select(a => a.NodeValue).FirstOrDefault(),
f.ItemUri != null ? f.ItemUri : f.Links.Select(l => l.Uri).FirstOrDefault()
)));
if (FeedsList.Contains(feedModel))
{
FeedsList.Remove(feedModel);
}
FeedsList.Add(feedModel);
}
}
}
catch (Exception)
{
InvalidRSSFeedMessageVisibility = Visibility.Visible;
}
}
public void RemoveFeed(FeedModel feed)
{
FeedsList.Remove(feed);
}
public void AddFeed(FeedModel feed)
{
FeedsList.Add(feed);
}
public FeedsArticlesViewModel()
{
storageFolder = ApplicationData.Current.LocalFolder;
AddFeedCommand = new DelegateCommand(async() =>
{
await AddRssFeed(RssFeedToLoad);
await SaveFeedsData();
});
this.DeleteFeedCommand = new DelegateCommand <RssFeedModel>(async feed =>
{
if (feed != null)
{
FeedsList.Remove(feed);
await SaveFeedsData();
}
});
this.AddFavoriteCommand = new DelegateCommand <RssArticleModel>(async article =>
{
if (article != null)
{
FavoritesFeed.ArticleList.Add(article);
if (!this.favoriteArticlesHash.Contains(article))
{
this.favoriteArticlesHash.Add(article);
}
article.IsFavoritable = Visibility.Collapsed;
article.IsDeletable = Visibility.Visible;
await SaveFavoritesData();
}
});
this.DeleteFavoriteCommand = new DelegateCommand <RssArticleModel>(async article =>
{
if (article != null)
{
if (this.favoriteArticlesHash.Contains(article))
{
this.favoriteArticlesHash.Remove(article);
}
article.IsDeletable = Visibility.Collapsed;
article.IsFavoritable = Visibility.Visible;
FavoritesFeed.ArticleList.Remove(article);
await SaveFavoritesData();
}
});
this.OpenUrlCommand = new DelegateCommand <RssArticleModel>(async article =>
{
if (article != null)
{
await Windows.System.Launcher.LaunchUriAsync(article.Link);
}
});
this.feedsList = new ObservableCollection <RssFeedModel>();
this.favoriteArticlesHash = new HashSet <RssArticleModel>();
}
