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Code Issues Releases Wiki Activity

Fixes in response to code review 

ParseSpecialEpisode now follows similar pattern to Map() method and accepts TvRageId and SearchCriteria
Fixed normalize episode title to handle punctuation separately from spaces and removed special episode words
Removed comments
This commit is contained in:
Icer Addis 2014-01-07 21:54:23 -08:00
parent 6ee08af111
commit c459cdf168
4 changed files with 54 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/NzbDrone.Core/DecisionEngine/DownloadDecisionMaker.cs
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@ -52,13 +52,6 @@ namespace NzbDrone.Core.DecisionEngine
_logger.ProgressInfo("No reports found");
}
// get series from search criteria
Tv.Series series = null;
if (searchCriteria != null)
{
series = searchCriteria.Series;
}
var reportNumber = 1;
foreach (var report in reports)
@ -68,17 +61,13 @@ namespace NzbDrone.Core.DecisionEngine
try
{
// use parsing service to parse episode info (this allows us to do episode title searches against the episode repository)
var parsedEpisodeInfo = Parser.Parser.ParseTitle(report.Title);
// do we have a possible special episode?
if (parsedEpisodeInfo == null || parsedEpisodeInfo.IsPossibleSpecialEpisode())
{
// try to parse as a special episode
var specialEpisodeInfo = _parsingService.ParseSpecialEpisodeTitle(report.Title, series);
var specialEpisodeInfo = _parsingService.ParseSpecialEpisodeTitle(report.Title, report.TvRageId, searchCriteria);
if (specialEpisodeInfo != null)
{
// use special episode
parsedEpisodeInfo = specialEpisodeInfo;
}
}

17
src/NzbDrone.Core/Parser/Parser.cs
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@ -114,8 +114,11 @@ namespace NzbDrone.Core.Parser
private static readonly Regex YearInTitleRegex = new Regex(@"^(?<title>.+?)(?:\W|_)?(?<year>\d{4})",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex NonWordRegex = new Regex(@"\W+", RegexOptions.Compiled);
private static readonly Regex CommonWordRegex = new Regex(@"\b(a|an|the|and|or|of|part)\b\s?",
private static readonly Regex WordDelimiterRegex = new Regex(@"(\s|\.|,|_|-|=|\|)+", RegexOptions.Compiled);
private static readonly Regex PunctuationRegex = new Regex(@"[^\w\s]", RegexOptions.Compiled);
private static readonly Regex CommonWordRegex = new Regex(@"\b(a|an|the|and|or|of)\b\s?",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex SpecialEpisodeWordRegex = new Regex(@"\b(part|special|edition)\b\s?",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
@ -227,11 +230,11 @@ namespace NzbDrone.Core.Parser
public static string NormalizeEpisodeTitle(string title)
{
// convert any non-word characters to a single space
string normalizedSpaces = NonWordRegex.Replace(title, " ").ToLower();
// remove common words
string normalized = CommonWordRegex.Replace(normalizedSpaces, String.Empty);
return normalized;
string singleSpaces = WordDelimiterRegex.Replace(title, " ");
string noPunctuation = PunctuationRegex.Replace(singleSpaces, String.Empty);
string noCommonWords = CommonWordRegex.Replace(noPunctuation, String.Empty);
string normalized = SpecialEpisodeWordRegex.Replace(noCommonWords, String.Empty);
return normalized.Trim().ToLower();
}
public static string ParseReleaseGroup(string title)

71
src/NzbDrone.Core/Parser/ParsingService.cs
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@ -12,6 +12,7 @@ namespace NzbDrone.Core.Parser
{
public interface IParsingService
{
ParsedEpisodeInfo ParseSpecialEpisodeTitle(string title, int tvRageId, SearchCriteriaBase searchCriteria = null);
ParsedEpisodeInfo ParseSpecialEpisodeTitle(string title, Series series);
LocalEpisode GetEpisodes(string filename, Series series, bool sceneSource);
Series GetSeries(string title);
@ -40,51 +41,65 @@ namespace NzbDrone.Core.Parser
_logger = logger;
}
public ParsedEpisodeInfo ParseSpecialEpisodeTitle(string title, Series series)
public ParsedEpisodeInfo ParseSpecialEpisodeTitle(string title, int tvRageId, SearchCriteriaBase searchCriteria = null)
{
try
if (searchCriteria != null)
{
if (series == null)
var tvdbId = _sceneMappingService.GetTvDbId(title);
if (tvdbId.HasValue)
{
// find series if we dont have it already
// we use an inexact match here since the series name is often mangled with the episode title
series = _seriesService.FindByTitleInexact(title);
if (series == null)
if (searchCriteria.Series.TvdbId == tvdbId)
{
// no series matched
return null;
return ParseSpecialEpisodeTitle(title, searchCriteria.Series);
}
}
// find special episode in series season 0
Episode episode = _episodeService.FindEpisodeByName(series.Id, 0, title);
if (episode != null)
if (tvRageId == searchCriteria.Series.TvRageId)
{
// created parsed info from tv episode that we found
var info = new ParsedEpisodeInfo();
info.SeriesTitle = series.Title;
info.SeriesTitleInfo = new SeriesTitleInfo();
info.SeriesTitleInfo.Title = info.SeriesTitle;
info.SeasonNumber = episode.SeasonNumber;
info.EpisodeNumbers = new int[1] { episode.EpisodeNumber };
info.FullSeason = false;
info.Quality = QualityParser.ParseQuality(title);
info.ReleaseGroup = Parser.ParseReleaseGroup(title);
_logger.Info("Found special episode {0} for title '{1}'", info, title);
return info;
return ParseSpecialEpisodeTitle(title, searchCriteria.Series);
}
}
catch (Exception e)
var series = _seriesService.FindByTitleInexact(title);
if (series == null && tvRageId > 0)
{
_logger.ErrorException("An error has occurred while trying to parse special episode " + title, e);
series = _seriesService.FindByTvRageId(tvRageId);
}
if (series == null)
{
_logger.Trace("No matching series {0}", title);
return null;
}
return ParseSpecialEpisodeTitle(title, series);
}
public ParsedEpisodeInfo ParseSpecialEpisodeTitle(string title, Series series)
{
// find special episode in series season 0
var episode = _episodeService.FindEpisodeByName(series.Id, 0, title);
if (episode != null)
{
// create parsed info from tv episode
var info = new ParsedEpisodeInfo();
info.SeriesTitle = series.Title;
info.SeriesTitleInfo = new SeriesTitleInfo();
info.SeriesTitleInfo.Title = info.SeriesTitle;
info.SeasonNumber = episode.SeasonNumber;
info.EpisodeNumbers = new int[1] { episode.EpisodeNumber };
info.FullSeason = false;
info.Quality = QualityParser.ParseQuality(title);
info.ReleaseGroup = Parser.ParseReleaseGroup(title);
_logger.Info("Found special episode {0} for title '{1}'", info, title);
return info;
}
return null;
}
public LocalEpisode GetEpisodes(string filename, Series series, bool sceneSource)
{
var parsedEpisodeInfo = Parser.ParsePath(filename);

4
src/NzbDrone.Core/Tv/SeriesService.cs
View File

@ -103,9 +103,6 @@ namespace NzbDrone.Core.Tv
public Series FindByTitleInexact(string title)
{
// perform fuzzy matching of series name
// TODO: can replace this search mechanism with something smarter/faster/better
// find any series clean title within the provided release title
string cleanTitle = Parser.Parser.CleanSeriesTitle(title);
var list = _seriesRepository.All().Where(s => cleanTitle.Contains(s.CleanTitle)).ToList();
@ -137,7 +134,6 @@ namespace NzbDrone.Core.Tv
// get the leftmost series that is the longest
// series are usually the first thing in release title, so we select the leftmost and longest match
// we could have multiple matches for series which have a common prefix like "Love it", "Love it Too" so we pick the longest one
var match = query.First().series;
_logger.Trace("Multiple series matched {0} from title {1}", match.Title, title);