public FeedItemViewModel(FeedItem feedItem)
{
this.feedItem = feedItem.ThrowIfNull();
feedItemsFeed = new StaticFeedViewModel(this.feedItem.Feed);
}
private void ProcessFeed()
{
SyndicationFeed feedData;
try
{
feedData = LoadFeedDataFromUrl(feed.Url);
}
catch (FeedDataLoadException ex)
{
InteractionService.ShowMessage(ex.Message);
return;
}
feed.Title = string.IsNullOrEmpty(feedData.Title?.Text) ? feed.Url : feedData.Title.Text;
DateTime feedLastUpdated = feedData.LastUpdatedTime.UtcDateTime;
// SqlServerCe can't handle DateTime.MinValue, which is value given if LastUpdatedTime
// is absent from feed.
if (feedLastUpdated > DateTime.MinValue)
{
feed.LastUpdated = feedLastUpdated;
}
foreach (var feedDataItem in feedData.Items)
{
FeedItem newItem = new FeedItem();
newItem.Title = feedDataItem.Title?.Text;
newItem.Url = feedDataItem.Links?.First()?.GetAbsoluteUri().ToString();
newItem.Summary = feedDataItem.Summary?.Text;
newItem.Content = feedDataItem.Content?.ToString();
DateTime itemPublishDate = feedDataItem.PublishDate.UtcDateTime;
// SqlServerCe can't handle DateTime.MinValue, see above.
if (itemPublishDate > DateTime.MinValue)
{
newItem.PublishDate = itemPublishDate;
}
newItem.PopulateHtmlFields();
feed.FeedItems.Add(newItem);
}
NotifyPropertyChanged("");
}