491 lines
22 KiB
C#
491 lines
22 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using NLog;
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using Ninject;
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using NzbDrone.Core.Model;
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using NzbDrone.Core.Model.Notification;
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using NzbDrone.Core.Providers.DecisionEngine;
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using NzbDrone.Core.Repository;
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using NzbDrone.Core.Repository.Search;
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namespace NzbDrone.Core.Providers
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{
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public class SearchProvider
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{
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//Season and Episode Searching
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private readonly EpisodeProvider _episodeProvider;
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private readonly DownloadProvider _downloadProvider;
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private readonly SeriesProvider _seriesProvider;
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private readonly IndexerProvider _indexerProvider;
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private readonly SceneMappingProvider _sceneMappingProvider;
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private readonly UpgradePossibleSpecification _upgradePossibleSpecification;
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private readonly AllowedDownloadSpecification _allowedDownloadSpecification;
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private readonly SearchHistoryProvider _searchHistoryProvider;
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private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
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[Inject]
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public SearchProvider(EpisodeProvider episodeProvider, DownloadProvider downloadProvider, SeriesProvider seriesProvider,
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IndexerProvider indexerProvider, SceneMappingProvider sceneMappingProvider,
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UpgradePossibleSpecification upgradePossibleSpecification, AllowedDownloadSpecification allowedDownloadSpecification,
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SearchHistoryProvider searchHistoryProvider)
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{
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_episodeProvider = episodeProvider;
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_downloadProvider = downloadProvider;
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_seriesProvider = seriesProvider;
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_indexerProvider = indexerProvider;
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_sceneMappingProvider = sceneMappingProvider;
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_upgradePossibleSpecification = upgradePossibleSpecification;
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_allowedDownloadSpecification = allowedDownloadSpecification;
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_searchHistoryProvider = searchHistoryProvider;
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}
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public SearchProvider()
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{
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}
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public virtual List<int> SeasonSearch(ProgressNotification notification, int seriesId, int seasonNumber)
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{
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var searchResult = new SearchHistory
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{
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SearchTime = DateTime.Now,
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SeriesId = seriesId,
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SeasonNumber = seasonNumber
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};
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var series = _seriesProvider.GetSeries(seriesId);
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if (series == null)
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{
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_logger.Error("Unable to find an series {0} in database", seriesId);
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return new List<int>();
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}
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//Return false if the series is a daily series (we only support individual episode searching
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if (series.IsDaily)
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return new List<int>();
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notification.CurrentMessage = String.Format("Searching for {0} Season {1}", series.Title, seasonNumber);
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var reports = PerformSearch(notification, series, seasonNumber);
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_logger.Debug("Finished searching all indexers. Total {0}", reports.Count);
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if (reports.Count == 0)
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return new List<int>();
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_logger.Debug("Getting episodes from database for series: {0} and season: {1}", seriesId, seasonNumber);
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var episodeNumbers = _episodeProvider.GetEpisodeNumbersBySeason(seriesId, seasonNumber);
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if (episodeNumbers == null || episodeNumbers.Count == 0)
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{
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_logger.Warn("No episodes in database found for series: {0} and season: {1}.", seriesId, seasonNumber);
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return new List<int>();
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}
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notification.CurrentMessage = "Processing search results";
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reports.Where(p => p.FullSeason && p.SeasonNumber == seasonNumber).ToList().ForEach(
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e => e.EpisodeNumbers = episodeNumbers.ToList()
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);
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searchResult.SearchHistoryItems = ProcessSearchResults(notification, reports, searchResult, series, seasonNumber);
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_searchHistoryProvider.Add(searchResult);
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return searchResult.Successes;
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}
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public virtual List<int> PartialSeasonSearch(ProgressNotification notification, int seriesId, int seasonNumber)
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{
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var searchResult = new SearchHistory
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{
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SearchTime = DateTime.Now,
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SeriesId = seriesId,
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SeasonNumber = seasonNumber
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};
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var series = _seriesProvider.GetSeries(seriesId);
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if (series == null)
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{
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_logger.Error("Unable to find an series {0} in database", seriesId);
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return new List<int>();
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}
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//Return empty list if the series is a daily series (we only support individual episode searching
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if (series.IsDaily)
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return new List<int>();
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notification.CurrentMessage = String.Format("Searching for {0} Season {1}", series.Title, seasonNumber);
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var episodes = _episodeProvider.GetEpisodesBySeason(seriesId, seasonNumber);
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var reports = PerformSearch(notification, series, seasonNumber, episodes);
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_logger.Debug("Finished searching all indexers. Total {0}", reports.Count);
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if (reports.Count == 0)
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return new List<int>();
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notification.CurrentMessage = "Processing search results";
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searchResult.SearchHistoryItems = ProcessSearchResults(notification, reports, searchResult, series, seasonNumber);
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_searchHistoryProvider.Add(searchResult);
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return searchResult.Successes;
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}
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public virtual bool EpisodeSearch(ProgressNotification notification, int episodeId)
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{
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var episode = _episodeProvider.GetEpisode(episodeId);
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if (episode == null)
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{
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_logger.Error("Unable to find an episode {0} in database", episodeId);
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return false;
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}
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//Check to see if an upgrade is possible before attempting
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if (!_upgradePossibleSpecification.IsSatisfiedBy(episode))
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{
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_logger.Info("Search for {0} was aborted, file in disk meets or exceeds Profile's Cutoff", episode);
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notification.CurrentMessage = String.Format("Skipping search for {0}, the file you have is already at cutoff", episode);
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return false;
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}
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notification.CurrentMessage = "Looking for " + episode;
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if (episode.Series.IsDaily && !episode.AirDate.HasValue)
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{
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_logger.Warn("AirDate is not Valid for: {0}", episode);
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notification.CurrentMessage = String.Format("Search for {0} Failed, AirDate is invalid", episode);
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return false;
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}
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if (episode.Series.UseSceneNumbering && episode.SceneSeasonNumber <= 0 && episode.SceneEpisodeNumber <= 0)
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{
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_logger.Warn("Series should use Scene Numbering, but it is not available: {0}", episode);
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notification.CurrentMessage = String.Format("Search Failed, invalid scene episode data found: {0}", episode);
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return false;
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}
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var searchResult = new SearchHistory
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{
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SearchTime = DateTime.Now,
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SeriesId = episode.Series.SeriesId
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};
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var reports = PerformSearch(notification, episode.Series, episode.SeasonNumber, new List<Episode> { episode });
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_logger.Debug("Finished searching all indexers. Total {0}", reports.Count);
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notification.CurrentMessage = "Processing search results";
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if (episode.Series.IsDaily)
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{
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searchResult.SearchHistoryItems = ProcessSearchResults(notification, reports, episode.Series, episode.AirDate.Value);
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_searchHistoryProvider.Add(searchResult);
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if (searchResult.SearchHistoryItems.Any(r => r.Success))
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return true;
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}
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else if (episode.Series.UseSceneNumbering)
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{
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searchResult.EpisodeId = episodeId;
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searchResult.SearchHistoryItems = ProcessSearchResults(
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notification,
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reports,
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searchResult,
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episode.Series,
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episode.SceneSeasonNumber,
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episode.SceneEpisodeNumber
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);
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_searchHistoryProvider.Add(searchResult);
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if (searchResult.SearchHistoryItems.Any(r => r.Success))
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return true;
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}
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else
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{
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searchResult.EpisodeId = episodeId;
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searchResult.SearchHistoryItems = ProcessSearchResults(notification, reports, searchResult, episode.Series, episode.SeasonNumber, episode.EpisodeNumber);
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_searchHistoryProvider.Add(searchResult);
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if (searchResult.SearchHistoryItems.Any(r => r.Success))
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return true;
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}
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_logger.Warn("Unable to find {0} in any of indexers.", episode);
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if (reports.Any())
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{
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notification.CurrentMessage = String.Format("Sorry, couldn't find {0}, that matches your preferences.", episode);
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}
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else
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{
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notification.CurrentMessage = String.Format("Sorry, couldn't find you {0} in any of indexers.", episode);
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}
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return false;
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}
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public List<EpisodeParseResult> PerformSearch(ProgressNotification notification, Series series, int seasonNumber, IList<Episode> episodes = null)
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{
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//If single episode, do a single episode search, if full season then do a full season search, otherwise, do a partial search
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var reports = new List<EpisodeParseResult>();
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var title = _sceneMappingProvider.GetSceneName(series.SeriesId);
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if (string.IsNullOrWhiteSpace(title))
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{
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title = series.Title;
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}
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Parallel.ForEach(_indexerProvider.GetEnabledIndexers(), indexer =>
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{
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try
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{
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if (episodes == null)
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reports.AddRange(indexer.FetchSeason(title, seasonNumber));
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//Treat as single episode
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else if (episodes.Count == 1)
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{
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//Use SceneNumbering
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if (series.UseSceneNumbering)
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reports.AddRange(indexer.FetchEpisode(title, episodes.First().SceneSeasonNumber, episodes.First().SceneEpisodeNumber));
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//Standard
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else if (!series.IsDaily)
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reports.AddRange(indexer.FetchEpisode(title, seasonNumber, episodes.First().EpisodeNumber));
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//Daily Episode
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else
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reports.AddRange(indexer.FetchDailyEpisode(title, episodes.First().AirDate.Value));
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}
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//Treat as Partial Season
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else
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{
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var prefixes = GetEpisodeNumberPrefixes(episodes.Select(s => s.EpisodeNumber));
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foreach (var episodePrefix in prefixes)
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{
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reports.AddRange(indexer.FetchPartialSeason(title, seasonNumber, episodePrefix));
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}
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}
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}
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catch (Exception e)
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{
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_logger.ErrorException("An error has occurred while fetching items from " + indexer.Name, e);
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}
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});
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return reports;
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}
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public List<SearchHistoryItem> ProcessSearchResults(ProgressNotification notification, IEnumerable<EpisodeParseResult> reports, SearchHistory searchResult, Series series, int seasonNumber, int? episodeNumber = null)
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{
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var items = new List<SearchHistoryItem>();
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searchResult.Successes = new List<int>();
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foreach (var episodeParseResult in reports.OrderByDescending(c => c.Quality)
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.ThenBy(c => c.EpisodeNumbers.MinOrDefault())
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.ThenBy(c => c.Age))
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{
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try
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{
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_logger.Trace("Analysing report " + episodeParseResult);
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var item = new SearchHistoryItem
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{
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ReportTitle = episodeParseResult.OriginalString,
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NzbUrl = episodeParseResult.NzbUrl,
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Indexer = episodeParseResult.Indexer,
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Quality = episodeParseResult.Quality.QualityType,
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Proper = episodeParseResult.Quality.Proper,
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Size = episodeParseResult.Size,
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Age = episodeParseResult.Age,
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Language = episodeParseResult.Language
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};
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items.Add(item);
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//Get the matching series
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episodeParseResult.Series = _seriesProvider.FindSeries(episodeParseResult.CleanTitle);
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//If series is null or doesn't match the series we're looking for return
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if (episodeParseResult.Series == null || episodeParseResult.Series.SeriesId != series.SeriesId)
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{
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_logger.Trace("Unexpected series for search: {0}. Skipping.", episodeParseResult.CleanTitle);
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item.SearchError = ReportRejectionType.WrongSeries;
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continue;
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}
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//If SeasonNumber doesn't match or episode is not in the in the list in the parse result, skip the report.
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if (episodeParseResult.SeasonNumber != seasonNumber)
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{
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_logger.Trace("Season number does not match searched season number, skipping.");
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item.SearchError = ReportRejectionType.WrongSeason;
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continue;
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}
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//If the EpisodeNumber was passed in and it is not contained in the parseResult, skip the report.
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if (episodeNumber.HasValue && !episodeParseResult.EpisodeNumbers.Contains(episodeNumber.Value))
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{
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_logger.Trace("Searched episode number is not contained in post, skipping.");
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item.SearchError = ReportRejectionType.WrongEpisode;
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continue;
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}
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//Make sure we haven't already downloaded a report with this episodenumber, if we have, skip the report.
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if (searchResult.Successes.Intersect(episodeParseResult.EpisodeNumbers).Any())
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{
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_logger.Trace("Episode has already been downloaded in this search, skipping.");
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item.SearchError = ReportRejectionType.Skipped;
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continue;
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}
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episodeParseResult.Episodes = _episodeProvider.GetEpisodesByParseResult(episodeParseResult);
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item.SearchError = _allowedDownloadSpecification.IsSatisfiedBy(episodeParseResult);
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if (item.SearchError == ReportRejectionType.None)
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{
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_logger.Debug("Found '{0}'. Adding to download queue.", episodeParseResult);
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try
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{
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if (_downloadProvider.DownloadReport(episodeParseResult))
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{
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notification.CurrentMessage = String.Format("{0} Added to download queue", episodeParseResult);
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//Add the list of episode numbers from this release
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searchResult.Successes.AddRange(episodeParseResult.EpisodeNumbers);
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item.Success = true;
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}
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else
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{
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item.SearchError = ReportRejectionType.DownloadClientFailure;
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}
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}
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catch (Exception e)
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{
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_logger.ErrorException("Unable to add report to download queue." + episodeParseResult, e);
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notification.CurrentMessage = String.Format("Unable to add report to download queue. {0}", episodeParseResult);
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item.SearchError = ReportRejectionType.DownloadClientFailure;
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}
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}
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}
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catch (Exception e)
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{
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_logger.ErrorException("An error has occurred while processing parse result items from " + episodeParseResult, e);
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}
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}
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return items;
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}
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public List<SearchHistoryItem> ProcessSearchResults(ProgressNotification notification, IEnumerable<EpisodeParseResult> reports, Series series, DateTime airDate)
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{
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var items = new List<SearchHistoryItem>();
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var skip = false;
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foreach (var episodeParseResult in reports.OrderByDescending(c => c.Quality))
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{
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try
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{
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var item = new SearchHistoryItem
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{
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ReportTitle = episodeParseResult.OriginalString,
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NzbUrl = episodeParseResult.NzbUrl,
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Indexer = episodeParseResult.Indexer,
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Quality = episodeParseResult.Quality.QualityType,
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Proper = episodeParseResult.Quality.Proper,
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Size = episodeParseResult.Size,
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Age = episodeParseResult.Age,
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Language = episodeParseResult.Language
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};
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items.Add(item);
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if (skip)
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{
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item.SearchError = ReportRejectionType.Skipped;
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continue;
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}
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_logger.Trace("Analysing report " + episodeParseResult);
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//Get the matching series
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episodeParseResult.Series = _seriesProvider.FindSeries(episodeParseResult.CleanTitle);
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//If series is null or doesn't match the series we're looking for return
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if (episodeParseResult.Series == null || episodeParseResult.Series.SeriesId != series.SeriesId)
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{
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item.SearchError = ReportRejectionType.WrongSeries;
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continue;
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}
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//If parse result doesn't have an air date or it doesn't match passed in airdate, skip the report.
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if (!episodeParseResult.AirDate.HasValue || episodeParseResult.AirDate.Value.Date != airDate.Date)
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{
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item.SearchError = ReportRejectionType.WrongEpisode;
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continue;
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}
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episodeParseResult.Episodes = _episodeProvider.GetEpisodesByParseResult(episodeParseResult);
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item.SearchError = _allowedDownloadSpecification.IsSatisfiedBy(episodeParseResult);
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if (item.SearchError == ReportRejectionType.None)
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{
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_logger.Debug("Found '{0}'. Adding to download queue.", episodeParseResult);
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try
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{
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if (_downloadProvider.DownloadReport(episodeParseResult))
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{
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notification.CurrentMessage =
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String.Format("{0} - {1} {2} Added to download queue",
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episodeParseResult.Series.Title, episodeParseResult.AirDate.Value.ToShortDateString(), episodeParseResult.Quality);
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item.Success = true;
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skip = true;
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}
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else
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{
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item.SearchError = ReportRejectionType.DownloadClientFailure;
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}
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}
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catch (Exception e)
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{
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_logger.ErrorException("Unable to add report to download queue." + episodeParseResult, e);
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notification.CurrentMessage = String.Format("Unable to add report to download queue. {0}", episodeParseResult);
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item.SearchError = ReportRejectionType.DownloadClientFailure;
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}
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}
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}
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catch (Exception e)
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{
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_logger.ErrorException("An error has occurred while processing parse result items from " + episodeParseResult, e);
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}
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}
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return items;
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}
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private List<int> GetEpisodeNumberPrefixes(IEnumerable<int> episodeNumbers)
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{
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var results = new List<int>();
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foreach (var i in episodeNumbers)
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{
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results.Add(i / 10);
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}
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return results.Distinct().ToList();
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}
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}
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}
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