public static async Task<bool> AddGroupForFeedAsync(string feedUrl)
{
if (SampleDataSource.GetGroup(feedUrl) != null)
{
return false;
}
var feed = await new SyndicationClient().RetrieveFeedAsync(new Uri(feedUrl));
var feedGroup = new SampleDataGroup(
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 = GetImageFromPostContents(i);
if (imagePath != null && feedGroup.Image == null)
feedGroup.SetImage(imagePath);
feedGroup.Items.Add(new SampleDataItem(
uniqueId: i.Id, title: i.Title.Text, subtitle: null, imagePath: imagePath,
description: null, content: i.Summary.Text, @group: feedGroup));
}
AllGroups.Add(feedGroup);
return true;
}
public SampleDataItem(String uniqueId, String title, String subtitle, String imagePath, String description, String content, SampleDataGroup group)
: base(uniqueId, title, subtitle, imagePath, description)
{
this._content = content;
this._group = group;
}