public IEnumerable <IPresentation> GetFilteredPresentations(IEventFilters filters)
{
// Check if filtered event and event years are already stored and if not download all event data
_feedService.DownloadFilteredEventData(filters);
// Get a list of Presentation objects
List <IPresentation> presentations = null;
// Get filtered Session ids
var filteredSessionIds = _sessionRepository.FilterSessions(filters);
if (filteredSessionIds != null)
{
var sessions = _sessionRepository.GetSessionsInSessionIdList(filteredSessionIds);
// Filter for selected speakers
if (filters.SpeakerIds != null && filters.SpeakerIds.Count() > 0)
{
var videoIds = _speakerVideoRepository.GetVideoIdListWhereInSpeakerIdList(filters.SpeakerIds);
var videos = _videoRepository.GetVideosByVideoIdList(videoIds);
var videoMetaData = videos.Select(x => new { x.EventName, x.EventYear, x.SessionCode }).Distinct().ToList();
var filteredSessions = new List <ISession>();
foreach (var videoData in videoMetaData)
{
var sessionToAdd = sessions.Where(x => x.EventName == videoData.EventName && x.EventYear == videoData.EventYear && x.Code == videoData.SessionCode).FirstOrDefault();
if (sessionToAdd != null)
{
filteredSessions.Add(sessionToAdd);
}
}
sessions = filteredSessions;
}
if (sessions != null)
{
var converter = new Converter <ISession, IPresentation>(SessionToPresentation);
presentations = sessions.ToList().ConvertAll(converter);
foreach (var presentation in presentations)
{
GetExtendedPresentationData(presentation);
}
}
}
return(presentations);
}
