/// <summary>
/// Saved input <see cref="FeedItem"/> in the <see cref="FeedDocument"/> with name <paramref name="feedName"/>
/// </summary>
/// <param name="feedName">Name of the feed</param>
/// <param name="feedItem"><see cref="FeedItem"/> to be saved</param>
public async void SaveFeedItem(string feedName, FeedItem feedItem)
{
var result = _context.Feeds.Find(x => x.Name.Equals(feedName)).ToList().FirstOrDefault();
if(result != null)
{
result.FeedItems.Add(feedItem);
await _context.Feeds.ReplaceOneAsync<FeedDocument>(x => x.Name == result.Name, result);
}
}
/// <summary>
/// Returns list of <see cref="FeedItem"/> which are not present in the database
/// </summary>
/// <param name="feedName">Name of the <see cref="Feed"/></param>
/// <param name="index">Pagination index</param>
/// <returns>Collection of <see cref="FeedItem"/></returns>
public IEnumerable<FeedItem> GetFeedItems(string feedName)
{
List<FeedItem> feedItems = new List<FeedItem>();
var result = _context.Feeds.Find(x => x.Name.Equals(feedName)).ToList().FirstOrDefault();
if(result != null)
{
var latestArticles = Parser.parseFeed(result.FeedUrl);
foreach(var article in latestArticles)
{
var feedItem = new FeedItem(article);
feedItems.Add(feedItem);
if (!result.FeedItems.Any(x => x.Uid.Equals(article.Uid)))
{
result.FeedItems.Add(feedItem);
}
}
_context.Feeds.ReplaceOne<FeedDocument>(x => x.Name == result.Name, result);
}
return feedItems;
}
// POST: api/FeedItem
public void Post(FeedItem feedItem)
{
}