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Sonarr/NzbDrone.Core/Indexers/RssSyncService.cs
2013-04-14 18:41:39 -07:00

103 lines
3.1 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using NLog;
using NzbDrone.Core.DecisionEngine;
using NzbDrone.Core.Download;
using NzbDrone.Core.Model;
using NzbDrone.Core.Parser;
using NzbDrone.Core.Parser.Model;
namespace NzbDrone.Core.Indexers
{
public interface ISyncRss
{
void Sync();
}
public class RssSyncService : ISyncRss
{
private readonly IFetchAndParseRss _rssFetcherAndParser;
private readonly IMakeDownloadDecision _downloadDecisionMaker;
private readonly IDownloadService _downloadService;
private readonly Logger _logger;
public RssSyncService(IFetchAndParseRss rssFetcherAndParser, IMakeDownloadDecision downloadDecisionMaker, IDownloadService downloadService, Logger logger)
{
_rssFetcherAndParser = rssFetcherAndParser;
_downloadDecisionMaker = downloadDecisionMaker;
_downloadService = downloadService;
_logger = logger;
}
public void Sync()
{
_logger.Info("Starting RSS Sync");
var parseResults = _rssFetcherAndParser.Fetch();
var decisions = _downloadDecisionMaker.GetRssDecision(parseResults);
var qualifiedReports = decisions
.Where(c => c.Approved)
.Select(c => c.Episode)
.OrderByDescending(c => c.Quality)
.ThenBy(c => c.Episodes.Select(e => e.EpisodeNumber).MinOrDefault())
.ThenBy(c => c.Report.Age);
foreach (var episodeParseResult in qualifiedReports)
{
try
{
_downloadService.DownloadReport(episodeParseResult);
}
catch (Exception e)
{
_logger.WarnException("Couldn't add report to download queue. " + episodeParseResult, e);
}
}
_logger.Info("RSS Sync Completed. Reports found {0}, Fetches attempted {1}", parseResults.Count, qualifiedReports);
}
}
public interface IFetchAndParseRss
{
List<ReportInfo> Fetch();
}
public class FetchAndParseRssService : IFetchAndParseRss
{
private readonly IIndexerService _indexerService;
private readonly IFetchFeedFromIndexers _feedFetcher;
public FetchAndParseRssService(IIndexerService indexerService, IFetchFeedFromIndexers feedFetcher)
{
_indexerService = indexerService;
_feedFetcher = feedFetcher;
}
public List<ReportInfo> Fetch()
{
var result = new List<ReportInfo>();
var indexers = _indexerService.GetAvailableIndexers();
Parallel.ForEach(indexers, indexer =>
{
var indexerFeed = _feedFetcher.FetchRss(indexer);
lock (result)
{
result.AddRange(indexerFeed);
}
});
return result;
}
}
}