Solocast.Services.PodcastService.GetNewEpisodesAsync C# (CSharp) Method

        public async Task<IEnumerable<Episode>> GetNewEpisodesAsync(Podcast podcast)
        {
            try
            {
                Podcast newPodcast = await feedParser.GetPodcastAsync(podcast.FeedUrl.ToString());
                var newEpisodes = new List<Episode>();

                foreach (var episode in newPodcast.Episodes)
                {
                    if (!podcast.Episodes.Contains(episode))
                    {
                        newEpisodes.Add(episode);
                    }
                }

                return newEpisodes.OrderBy(e => e.Published);
            }
            catch (Exception ex)
            {
                throw new GetPodcastException(podcast.FeedUrl.ToString(), ex);
            }
        }