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Lidarr/NzbDrone.Core/Providers/Search/SearchBase.cs

191 lines
8.4 KiB

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using NLog;
using NzbDrone.Core.Indexers;
using NzbDrone.Core.Tv;
using NzbDrone.Core.Model;
using NzbDrone.Core.Model.Notification;
using NzbDrone.Core.DecisionEngine;
using NzbDrone.Core.Repository.Search;
namespace NzbDrone.Core.Providers.Search
{
public abstract class SearchBase
{
protected readonly ISeriesService _seriesService;
private readonly ISeriesRepository _seriesRepository;
protected readonly EpisodeService _episodeService;
protected readonly DownloadProvider _downloadProvider;
protected readonly IndexerService _indexerService;
protected readonly SceneMappingProvider _sceneMappingProvider;
protected readonly AllowedDownloadSpecification _allowedDownloadSpecification;
protected readonly SearchHistoryProvider _searchHistoryProvider;
private static readonly Logger logger = LogManager.GetCurrentClassLogger();
protected SearchBase(ISeriesService seriesService,ISeriesRepository seriesRepository, EpisodeService episodeService, DownloadProvider downloadProvider,
IndexerService indexerService, SceneMappingProvider sceneMappingProvider,
AllowedDownloadSpecification allowedDownloadSpecification,
SearchHistoryProvider searchHistoryProvider)
{
_seriesService = seriesService;
_seriesRepository = seriesRepository;
_episodeService = episodeService;
_downloadProvider = downloadProvider;
_indexerService = indexerService;
_sceneMappingProvider = sceneMappingProvider;
_allowedDownloadSpecification = allowedDownloadSpecification;
_searchHistoryProvider = searchHistoryProvider;
}
protected SearchBase()
{
}
public abstract List<EpisodeParseResult> PerformSearch(Series series, dynamic options, ProgressNotification notification);
public abstract SearchHistoryItem CheckReport(Series series, dynamic options, EpisodeParseResult episodeParseResult,
SearchHistoryItem item);
protected abstract void FinalizeSearch(Series series, dynamic options, Boolean reportsFound, ProgressNotification notification);
public virtual List<Int32> Search(Series series, dynamic options, ProgressNotification notification)
{
if (options == null)
throw new ArgumentNullException(options);
var searchResult = new SearchHistory
{
SearchTime = DateTime.Now,
SeriesId = series.SeriesId,
EpisodeId = options.GetType().GetProperty("Episode") != null ? options.Episode.EpisodeId : null,
SeasonNumber = options.GetType().GetProperty("SeasonNumber") != null ? options.SeasonNumber : null
};
List<EpisodeParseResult> reports = PerformSearch(series, options, notification);
logger.Debug("Finished searching all indexers. Total {0}", reports.Count);
notification.CurrentMessage = "Processing search results";
ProcessReports(series, options, reports, searchResult, notification);
_searchHistoryProvider.Add(searchResult);
if(searchResult.Successes.Any())
return searchResult.Successes;
FinalizeSearch(series, options, reports.Any(), notification);
return new List<Int32>();
}
public virtual SearchHistory ProcessReports(Series series, dynamic options, List<EpisodeParseResult> episodeParseResults,
SearchHistory searchResult, ProgressNotification notification)
{
var items = new List<SearchHistoryItem>();
searchResult.Successes = new List<Int32>();
foreach(var episodeParseResult in episodeParseResults
.OrderByDescending(c => c.Quality)
.ThenBy(c => c.EpisodeNumbers.MinOrDefault())
.ThenBy(c => c.Age))
{
try
{
var item = new SearchHistoryItem
{
ReportTitle = episodeParseResult.OriginalString,
NzbUrl = episodeParseResult.NzbUrl,
Indexer = episodeParseResult.Indexer,
Quality = episodeParseResult.Quality.Quality,
Proper = episodeParseResult.Quality.Proper,
Size = episodeParseResult.Size,
Age = episodeParseResult.Age,
Language = episodeParseResult.Language
};
items.Add(item);
logger.Trace("Analysing report " + episodeParseResult);
episodeParseResult.Series = _seriesRepository.GetByTitle(episodeParseResult.CleanTitle);
if(episodeParseResult.Series == null || episodeParseResult.Series.SeriesId != series.SeriesId)
{
item.SearchError = ReportRejectionType.WrongSeries;
continue;
}
episodeParseResult.Episodes = _episodeService.GetEpisodesByParseResult(episodeParseResult);
if (searchResult.Successes.Intersect(episodeParseResult.Episodes.Select(e => e.OID)).Any())
{
item.SearchError = ReportRejectionType.Skipped;
continue;
}
CheckReport(series, options, episodeParseResult, item);
if (item.SearchError != ReportRejectionType.None)
continue;
item.SearchError = _allowedDownloadSpecification.IsSatisfiedBy(episodeParseResult);
if(item.SearchError == ReportRejectionType.None)
{
if(DownloadReport(notification, episodeParseResult, item))
searchResult.Successes.AddRange(episodeParseResult.Episodes.Select(e => e.OID));
}
}
catch(Exception e)
{
logger.ErrorException("An error has occurred while processing parse result items from " + episodeParseResult, e);
}
}
searchResult.SearchHistoryItems = items;
return searchResult;
}
public virtual Boolean DownloadReport(ProgressNotification notification, EpisodeParseResult episodeParseResult, SearchHistoryItem item)
{
logger.Debug("Found '{0}'. Adding to download queue.", episodeParseResult);
try
{
if (_downloadProvider.DownloadReport(episodeParseResult))
{
notification.CurrentMessage = String.Format("{0} Added to download queue", episodeParseResult);
item.Success = true;
return true;
}
item.SearchError = ReportRejectionType.DownloadClientFailure;
}
catch (Exception e)
{
logger.ErrorException("Unable to add report to download queue." + episodeParseResult, e);
notification.CurrentMessage = String.Format("Unable to add report to download queue. {0}", episodeParseResult);
item.SearchError = ReportRejectionType.DownloadClientFailure;
}
return false;
}
public virtual string GetSearchTitle(Series series, int seasonNumber = -1)
{
var seasonTitle = _sceneMappingProvider.GetSceneName(series.SeriesId, seasonNumber);
if(!String.IsNullOrWhiteSpace(seasonTitle))
return seasonTitle;
var title = _sceneMappingProvider.GetSceneName(series.SeriesId);
if (String.IsNullOrWhiteSpace(title))
{
title = series.Title;
title = title.Replace("&", "and");
title = Regex.Replace(title, @"[^\w\d\s\-]", "");
}
return title;
}
}
}