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Sonarr/NzbDrone.Core/Indexers/IndexerFetchService.cs
2013-04-07 00:30:37 -07:00

129 lines
4.8 KiB
C#

using System;
using System.Collections.Generic;
using System.Net;
using NLog;
using NzbDrone.Common;
using NzbDrone.Core.IndexerSearch.Definitions;
using NzbDrone.Core.Model;
namespace NzbDrone.Core.Indexers
{
public interface IFetchFeedFromIndexers
{
IList<EpisodeParseResult> FetchRss(IIndexerBase indexer);
IList<EpisodeParseResult> Fetch(IIndexerBase indexer, SeasonSearchDefinition searchDefinition);
IList<EpisodeParseResult> Fetch(IIndexerBase indexer, SingleEpisodeSearchDefinition searchDefinition);
IList<EpisodeParseResult> Fetch(IIndexerBase indexer, PartialSeasonSearchDefinition searchDefinition);
IList<EpisodeParseResult> Fetch(IIndexerBase indexer, DailyEpisodeSearchDefinition searchDefinition);
}
public class FetchFeedService : IFetchFeedFromIndexers
{
private readonly Logger _logger;
private readonly HttpProvider _httpProvider;
protected FetchFeedService(HttpProvider httpProvider, Logger logger)
{
_httpProvider = httpProvider;
_logger = logger;
}
public virtual IList<EpisodeParseResult> FetchRss(IIndexerBase indexer)
{
_logger.Debug("Fetching feeds from " + indexer.Name);
var result = Fetch(indexer, indexer.RecentFeed);
_logger.Debug("Finished processing feeds from " + indexer.Name);
return result;
}
public IList<EpisodeParseResult> Fetch(IIndexerBase indexer, SeasonSearchDefinition searchDefinition)
{
_logger.Debug("Searching for {0}", searchDefinition);
var searchUrls = indexer.GetSeasonSearchUrls(searchDefinition.SceneTitle, searchDefinition.SeasonNumber);
var result = Fetch(indexer, searchUrls);
_logger.Info("Finished searching {0} on {1}. Found {2}", indexer.Name, searchDefinition, result.Count);
return result;
}
public IList<EpisodeParseResult> Fetch(IIndexerBase indexer, SingleEpisodeSearchDefinition searchDefinition)
{
_logger.Debug("Searching for {0}", searchDefinition);
var searchUrls = indexer.GetEpisodeSearchUrls(searchDefinition.SceneTitle, searchDefinition.SeasonNumber, searchDefinition.EpisodeNumber);
var result = Fetch(indexer, searchUrls);
_logger.Info("Finished searching {0} on {1}. Found {2}", indexer.Name, searchDefinition, result.Count);
return result;
}
public IList<EpisodeParseResult> Fetch(IIndexerBase indexer, PartialSeasonSearchDefinition searchDefinition)
{
_logger.Debug("Searching for {0}", searchDefinition);
var searchUrls = indexer.GetSeasonSearchUrls(searchDefinition.SceneTitle, searchDefinition.SeasonNumber);
var result = Fetch(indexer, searchUrls);
_logger.Info("Finished searching {0} on {1}. Found {2}", indexer.Name, searchDefinition, result.Count);
return result;
}
public IList<EpisodeParseResult> Fetch(IIndexerBase indexer, DailyEpisodeSearchDefinition searchDefinition)
{
_logger.Debug("Searching for {0}", searchDefinition);
var searchUrls = indexer.GetDailyEpisodeSearchUrls(searchDefinition.SceneTitle, searchDefinition.Airtime);
var result = Fetch(indexer, searchUrls);
_logger.Info("Finished searching {0} on {1}. Found {2}", indexer.Name, searchDefinition, result.Count);
return result;
}
private List<EpisodeParseResult> Fetch(IIndexerBase indexer, IEnumerable<string> urls)
{
var result = new List<EpisodeParseResult>();
foreach (var url in urls)
{
try
{
_logger.Trace("Downloading Feed " + url);
var stream = _httpProvider.DownloadStream(url);
result.AddRange(indexer.Parser.Process(stream));
}
catch (WebException webException)
{
if (webException.Message.Contains("503"))
{
_logger.Warn("{0} server is currently unavailable.{1} {2}", indexer.Name, url, webException.Message);
}
else
{
webException.Data.Add("FeedUrl", url);
_logger.ErrorException("An error occurred while processing feed. " + url, webException);
}
}
catch (Exception feedEx)
{
feedEx.Data.Add("FeedUrl", url);
_logger.ErrorException("An error occurred while processing feed. " + url, feedEx);
}
}
result.ForEach(c => c.Indexer = indexer.Name);
return result;
}
}
}