public async void Refresh(bool showRead)
{
var errorCondition = Result.NoError;
try
{
var backendItems = await NextcloudNewsInterface.NextcloudNewsInterface.getInstance().getItems();
var feeds = await NextcloudNewsInterface.NextcloudNewsInterface.getInstance().getFeeds();
foreach (var item in backendItems.items)
{
var existingItem = (from ItemModel selitem in _list where selitem.id == item.id select selitem).FirstOrDefault <ItemModel>();
if (existingItem == null)
{
if (showRead == false && item.unread == false)
{
continue;
}
var newItem = ItemModel.FromItem(item);
var feed = feeds.getFeedForId(item.feedId);
if (feed != null)
{
if (feed.faviconLink != null && feed.faviconLink != String.Empty)
{
Uri validatedUri;
//TODO: Need to also verify that the protocol part of the url is http or https
if (Uri.TryCreate(feed.faviconLink, UriKind.RelativeOrAbsolute, out validatedUri))
{
newItem.favicon = feed.faviconLink;
}
else
{
newItem.favicon = "https://boingboing.net/favicon.ico";
}
}
else
{
newItem.favicon = "https://boingboing.net/favicon.ico";
}
}
_list.Insert(0, newItem);
}
}
}
catch
{
//TODO: Catch the right exception
errorCondition = Result.ConnectionError;
}
finally
{
RefreshComplete?.Invoke(this, errorCondition);
}
}