public static async Task <bool> AddGroupForFeedAsync(string feedUrl)
{
string clearedContent = String.Empty;
if (RssDataSource.GetGroup(feedUrl) != null)
{
return(false);
}
var feed = await new SyndicationClient().RetrieveFeedAsync(new Uri(feedUrl));
var feedGroup = new RssDataGroup(
uniqueId: feedUrl,
title: feed.Title != null ? feed.Title.Text : null,
subtitle: feed.Subtitle != null ? feed.Subtitle.Text : null,
imagePath: feed.ImageUri != null ? feed.ImageUri.ToString() : null,
description: null);
foreach (var i in feed.Items)
{
string imagePath = null;
try
{
imagePath = GetImageFromPostContents(i);;
}
catch { };
if (i.Summary != null)
{
clearedContent = Windows.Data.Html.HtmlUtilities.ConvertToText(i.Summary.Text);
}
else
if (i.Content != null)
{
clearedContent = Windows.Data.Html.HtmlUtilities.ConvertToText(i.Content.Text);
}
if (imagePath != null && feedGroup.Image == null)
{
feedGroup.SetImage(imagePath);
}
if (imagePath == null)
{
imagePath = "ms-appx:///Assets/DarkGray.png";
}
try
{
feedGroup.Items.Add(new RssDataItem(
uniqueId: i.Id, title: i.Title.Text, subtitle: null, imagePath: imagePath,
description: null, content: clearedContent, @group: feedGroup));
}
catch { };
}
switch (feedGroup.UniqueId)
{
case "http://rybinsk.ru/news-2013?format=feed&type=atom":
feedGroup.Order = 20;
try
{
var group1 = new RssDataGroup("MainNews", "Главная новость", "", "", "");
group1.Order = 30;
var tempitem = new RssDataItem(feedGroup.Items.First().UniqueId + "main",
feedGroup.Items.First().Title, null,
feedGroup.Items.First().ImagePath,
"",
feedGroup.Items.First().Content,
group1);
group1.Items.Add(tempitem);
group1.Items.Add(tempitem);
group1.Items.Add(tempitem);
group1.Items.Add(tempitem);
group1.Items.Add(tempitem);
group1.Items.Add(tempitem);
_sampleDataSource.AllGroups.Add(group1);
_sampleDataSource.RaisePropertyChanged("AllGroups");
}
catch { };
break;
}
;
_sampleDataSource.AllGroups.Add(feedGroup);
_sampleDataSource.RaisePropertyChanged("AllGroups");
return(true);
}
public RssDataItem(String uniqueId, String title, String subtitle, String imagePath, String description, String content, RssDataGroup group)
: base(uniqueId, title, subtitle, imagePath, description)
{
this._content = content;
this._group = group;
}