2009-07-26 12:54:24 -04:00
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2011-11-23 05:52:46 -05:00
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package net.sourceforge.filebot.similarity;
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2009-07-26 12:54:24 -04:00
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2011-10-28 02:28:19 -04:00
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import static java.lang.Math.*;
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2011-11-13 13:29:25 -05:00
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import static java.util.Arrays.*;
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import static java.util.Collections.*;
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2012-10-25 12:19:53 -04:00
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import static net.sourceforge.filebot.Settings.*;
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2012-01-01 22:34:13 -05:00
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import static net.sourceforge.filebot.similarity.Normalization.*;
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2011-10-28 02:28:19 -04:00
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import static net.sourceforge.tuned.FileUtilities.*;
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2013-02-15 04:50:23 -05:00
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import static net.sourceforge.tuned.StringUtilities.*;
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2009-08-10 07:46:24 -04:00
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2009-07-26 12:54:24 -04:00
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Scanner;
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2009-07-26 12:54:24 -04:00
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import net.sourceforge.filebot.similarity.SeasonEpisodeMatcher.SxE;
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2011-11-24 12:27:39 -05:00
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import net.sourceforge.filebot.vfs.FileInfo;
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2010-10-24 12:33:38 -04:00
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import net.sourceforge.filebot.web.Date;
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2009-07-26 12:54:24 -04:00
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import net.sourceforge.filebot.web.Episode;
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import net.sourceforge.filebot.web.EpisodeFormat;
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2011-10-28 04:07:02 -04:00
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import net.sourceforge.filebot.web.Movie;
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2009-07-26 12:54:24 -04:00
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2012-12-02 08:41:06 -05:00
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import com.ibm.icu.text.Transliterator;
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2009-07-26 12:54:24 -04:00
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2011-11-23 05:52:46 -05:00
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public enum EpisodeMetrics implements SimilarityMetric {
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// Match by season / episode numbers
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SeasonEpisode(new SeasonEpisodeMetric() {
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2012-07-24 16:01:48 -04:00
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private final Map<Object, Collection<SxE>> transformCache = synchronizedMap(new HashMap<Object, Collection<SxE>>(64, 4));
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2011-12-07 00:43:56 -05:00
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2009-07-26 12:54:24 -04:00
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@Override
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protected Collection<SxE> parse(Object object) {
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if (object instanceof Movie) {
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return emptySet();
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}
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Collection<SxE> result = transformCache.get(object);
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if (result != null) {
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return result;
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}
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2009-07-26 12:54:24 -04:00
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if (object instanceof Episode) {
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Episode episode = (Episode) object;
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if (episode.getSpecial() != null) {
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return singleton(new SxE(0, episode.getSpecial()));
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}
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// get SxE from episode, both SxE for season/episode numbering and SxE for absolute episode numbering
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SxE sxe = new SxE(episode.getSeason(), episode.getEpisode());
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SxE abs = new SxE(null, episode.getAbsolute());
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result = (abs.episode < 0 || sxe.equals(abs)) ? singleton(sxe) : asList(sxe, abs);
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} else {
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result = super.parse(object);
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}
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transformCache.put(object, result);
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return result;
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}
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}),
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// Match episode airdate
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AirDate(new DateMetric() {
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private final Map<Object, Date> transformCache = synchronizedMap(new HashMap<Object, Date>(64, 4));
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2011-12-07 00:43:56 -05:00
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@Override
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public Date parse(Object object) {
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if (object instanceof Movie) {
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return null;
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}
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if (object instanceof Episode) {
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Episode episode = (Episode) object;
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// use airdate from episode
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return episode.airdate();
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}
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2011-11-22 11:08:36 -05:00
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Date result = transformCache.get(object);
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if (result != null) {
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return result;
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}
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result = super.parse(object);
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transformCache.put(object, result);
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return result;
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}
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}),
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2011-11-22 11:08:36 -05:00
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// Match by episode/movie title
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Title(new SubstringMetric() {
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@Override
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protected String normalize(Object object) {
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if (object instanceof Episode) {
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Episode e = (Episode) object;
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// don't use title for matching if title equals series name
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String normalizedToken = normalizeObject(e.getTitle());
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if (normalizedToken.length() >= 3 && !normalizeObject(e.getSeriesName()).contains(normalizedToken)) {
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return normalizedToken;
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}
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}
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if (object instanceof Movie) {
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object = ((Movie) object).getName();
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}
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return normalizeObject(object);
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}
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}),
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2011-11-22 13:26:50 -05:00
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// Match by SxE and airdate
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EpisodeIdentifier(new MetricCascade(SeasonEpisode, AirDate)),
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2011-11-27 09:35:53 -05:00
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// Advanced episode <-> file matching
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EpisodeFunnel(new MetricCascade(SeasonEpisode, AirDate, Title)), EpisodeBalancer(new SimilarityMetric() {
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@Override
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public float getSimilarity(Object o1, Object o2) {
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float sxe = EpisodeIdentifier.getSimilarity(o1, o2);
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float title = Title.getSimilarity(o1, o2);
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// 1:SxE && Title, 2:SxE
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return (float) ((max(sxe, 0) * title) + (floor(sxe) / 10));
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}
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}),
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2011-11-22 11:08:36 -05:00
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2011-10-28 02:28:19 -04:00
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// Match series title and episode title against folder structure and file name
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2011-11-13 21:02:14 -05:00
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SubstringFields(new SubstringMetric() {
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@Override
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public float getSimilarity(Object o1, Object o2) {
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String[] f1 = normalize(fields(o1));
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String[] f2 = normalize(fields(o2));
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2011-10-28 02:28:19 -04:00
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// match all fields and average similarity
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float sum = 0;
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for (String s1 : f1) {
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for (String s2 : f2) {
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sum += super.getSimilarity(s1, s2);
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}
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}
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sum /= f1.length * f2.length;
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// normalize into 3 similarity levels
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return (float) (ceil(sum * 3) / 3);
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}
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2011-12-07 00:43:56 -05:00
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2011-11-08 13:26:54 -05:00
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protected String[] normalize(Object[] objects) {
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String[] names = new String[objects.length];
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for (int i = 0; i < objects.length; i++) {
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names[i] = normalizeObject(objects[i]).replaceAll("\\s", "");
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}
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return names;
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}
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2011-12-07 00:43:56 -05:00
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2011-11-08 13:26:54 -05:00
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protected Object[] fields(Object object) {
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if (object instanceof Episode) {
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Episode episode = (Episode) object;
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return new Object[] { removeTrailingBrackets(episode.getSeriesName()), episode.getTitle() };
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}
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if (object instanceof File) {
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File file = (File) object;
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return new Object[] { file.getParentFile().getAbsolutePath(), file };
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}
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if (object instanceof Movie) {
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Movie movie = (Movie) object;
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return new Object[] { movie.getName(), movie.getYear() };
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}
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2011-11-08 13:26:54 -05:00
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return new Object[] { object };
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}
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}),
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2012-01-03 04:23:03 -05:00
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// Match via common word sequence in episode name and file name
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NameSubstringSequence(new SequenceMatchSimilarity() {
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2012-01-03 04:23:03 -05:00
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@Override
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public float getSimilarity(Object o1, Object o2) {
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2013-01-30 19:39:47 -05:00
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// normalize absolute similarity to similarity rank (4 ranks in total),
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2012-01-03 04:23:03 -05:00
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// so we are less likely to fall for false positives in this pass, and move on to the next one
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2013-01-30 19:39:47 -05:00
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return (float) (floor(super.getSimilarity(o1, o2) * 4) / 4);
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2012-01-03 04:23:03 -05:00
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}
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@Override
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protected String normalize(Object object) {
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if (object instanceof Episode) {
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object = removeTrailingBrackets(((Episode) object).getSeriesName());
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} else if (object instanceof Movie) {
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object = ((Movie) object).getName();
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} else if (object instanceof File) {
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object = getNameWithoutExtension(getRelativePathTail((File) object, 3).getPath());
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}
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2012-01-03 04:23:03 -05:00
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// simplify file name, if possible
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return normalizeObject(object);
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}
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}),
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2013-02-15 04:50:23 -05:00
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// Match by generic name similarity (round rank)
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Name(new NameSimilarityMetric() {
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@Override
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public float getSimilarity(Object o1, Object o2) {
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2013-02-01 03:12:15 -05:00
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// normalize absolute similarity to similarity rank (4 ranks in total),
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2009-07-26 12:54:24 -04:00
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// so we are less likely to fall for false positives in this pass, and move on to the next one
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2013-02-01 03:12:15 -05:00
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return (float) (floor(super.getSimilarity(o1, o2) * 4) / 4);
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2009-07-26 12:54:24 -04:00
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}
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2011-12-07 00:43:56 -05:00
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2009-07-26 12:54:24 -04:00
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@Override
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protected String normalize(Object object) {
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// simplify file name, if possible
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return normalizeObject(object);
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}
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}),
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2013-02-15 04:50:23 -05:00
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// Match by generic name similarity (absolute)
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AbsoluteName(new NameSimilarityMetric() {
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2013-02-01 03:12:15 -05:00
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@Override
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protected String normalize(Object object) {
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// simplify file name, if possible
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return normalizeObject(object);
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}
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}),
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NumericSequence(new SequenceMatchSimilarity() {
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@Override
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protected String normalize(Object object) {
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if (object instanceof Episode) {
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object = EpisodeFormat.SeasonEpisode.formatSxE((Episode) object);
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} else if (object instanceof Movie) {
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object = ((Movie) object).getYear();
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}
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// simplify file name if possible and extract numbers
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List<Integer> numbers = new ArrayList<Integer>(4);
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Scanner scanner = new Scanner(normalizeObject(object)).useDelimiter("\\D+");
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while (scanner.hasNextInt()) {
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numbers.add(scanner.nextInt());
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}
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return join(numbers, " ");
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2013-02-01 03:12:15 -05:00
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}
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}),
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2009-07-26 12:54:24 -04:00
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// Match by generic numeric similarity
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Numeric(new NumericSimilarityMetric() {
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2012-07-21 11:47:49 -04:00
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@Override
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2011-12-07 02:08:04 -05:00
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public float getSimilarity(Object o1, Object o2) {
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String[] f1 = fields(o1);
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String[] f2 = fields(o2);
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// match all fields and average similarity
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float sum = 0;
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for (String s1 : f1) {
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for (String s2 : f2) {
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sum += super.getSimilarity(s1, s2);
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}
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}
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return sum / (f1.length * f2.length);
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}
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protected String[] fields(Object object) {
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if (object instanceof Episode) {
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Episode episode = (Episode) object;
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return new String[] { EpisodeFormat.SeasonEpisode.formatSxE(episode), String.valueOf(episode.getAbsolute()) };
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}
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if (object instanceof Movie) {
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Movie movie = (Movie) object;
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return new String[] { String.valueOf(movie.getYear()) };
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}
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return new String[] { normalizeObject(object) };
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2009-07-26 12:54:24 -04:00
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}
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2011-11-22 11:08:36 -05:00
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}),
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// Match by file length (only works when matching torrents or files)
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FileSize(new FileSizeMetric() {
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@Override
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public float getSimilarity(Object o1, Object o2) {
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// order of arguments is logically irrelevant, but we might be able to save us a call to File.length() which is quite costly
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return o1 instanceof File ? super.getSimilarity(o2, o1) : super.getSimilarity(o1, o2);
|
|
|
|
}
|
|
|
|
|
2011-12-07 00:43:56 -05:00
|
|
|
|
2011-11-22 11:08:36 -05:00
|
|
|
@Override
|
|
|
|
protected long getLength(Object object) {
|
2011-11-24 12:27:39 -05:00
|
|
|
if (object instanceof FileInfo) {
|
|
|
|
return ((FileInfo) object).getLength();
|
2011-11-22 11:08:36 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
return super.getLength(object);
|
|
|
|
}
|
2011-11-24 12:27:39 -05:00
|
|
|
}),
|
|
|
|
|
|
|
|
// Match by common words at the beginning of both files
|
|
|
|
FileName(new FileNameMetric() {
|
|
|
|
|
|
|
|
@Override
|
|
|
|
protected String getFileName(Object object) {
|
|
|
|
if (object instanceof File || object instanceof FileInfo) {
|
|
|
|
return normalizeObject(object);
|
|
|
|
}
|
|
|
|
|
|
|
|
return null;
|
|
|
|
}
|
2012-10-09 09:30:32 -04:00
|
|
|
}),
|
|
|
|
|
|
|
|
// Match by file last modified and episode release dates
|
|
|
|
TimeStamp(new TimeStampMetric() {
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public float getSimilarity(Object o1, Object o2) {
|
|
|
|
// adjust differentiation accuracy to about a year
|
|
|
|
return (float) (floor(super.getSimilarity(o1, o2) * 40) / 40);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public long getTimeStamp(Object object) {
|
|
|
|
if (object instanceof Episode) {
|
2012-10-09 11:00:21 -04:00
|
|
|
try {
|
|
|
|
return ((Episode) object).airdate().getTimeStamp();
|
|
|
|
} catch (RuntimeException e) {
|
|
|
|
return -1; // some episodes may not have airdate defined
|
|
|
|
}
|
2012-10-09 09:30:32 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
return super.getTimeStamp(object);
|
|
|
|
}
|
2012-10-24 11:20:47 -04:00
|
|
|
}),
|
|
|
|
|
|
|
|
// Match by stored MetaAttributes if possible
|
|
|
|
MetaAttributes(new CrossPropertyMetric() {
|
|
|
|
|
|
|
|
@Override
|
|
|
|
protected Map<String, Object> getProperties(Object object) {
|
|
|
|
// Episode / Movie objects
|
|
|
|
if (object instanceof Episode || object instanceof Movie) {
|
|
|
|
return super.getProperties(object);
|
|
|
|
}
|
|
|
|
|
2012-10-25 12:19:53 -04:00
|
|
|
// deserialize MetaAttributes if enabled and available
|
|
|
|
if (object instanceof File && useExtendedFileAttributes()) {
|
2012-10-24 11:20:47 -04:00
|
|
|
try {
|
|
|
|
return super.getProperties(new net.sourceforge.filebot.media.MetaAttributes((File) object).getMetaData());
|
|
|
|
} catch (Throwable e) {
|
|
|
|
// ignore
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// ignore everything else
|
|
|
|
return emptyMap();
|
|
|
|
};
|
|
|
|
|
2009-07-26 12:54:24 -04:00
|
|
|
});
|
|
|
|
|
|
|
|
// inner metric
|
|
|
|
private final SimilarityMetric metric;
|
|
|
|
|
2011-12-07 00:43:56 -05:00
|
|
|
|
2011-11-23 05:52:46 -05:00
|
|
|
private EpisodeMetrics(SimilarityMetric metric) {
|
2009-07-26 12:54:24 -04:00
|
|
|
this.metric = metric;
|
|
|
|
}
|
|
|
|
|
2011-12-07 00:43:56 -05:00
|
|
|
|
2009-07-26 12:54:24 -04:00
|
|
|
@Override
|
|
|
|
public float getSimilarity(Object o1, Object o2) {
|
|
|
|
return metric.getSimilarity(o1, o2);
|
|
|
|
}
|
|
|
|
|
2012-07-24 16:01:48 -04:00
|
|
|
private static final Map<Object, String> transformCache = synchronizedMap(new HashMap<Object, String>(64, 4));
|
2012-12-02 08:41:06 -05:00
|
|
|
private static final Transliterator transliterator = Transliterator.getInstance("Any-Latin;Latin-ASCII;[:Diacritic:]remove");
|
2012-01-03 04:23:03 -05:00
|
|
|
|
|
|
|
|
2011-11-08 13:26:54 -05:00
|
|
|
protected static String normalizeObject(Object object) {
|
2012-10-25 15:28:30 -04:00
|
|
|
if (object == null) {
|
|
|
|
return "";
|
|
|
|
}
|
|
|
|
|
2012-01-03 04:23:03 -05:00
|
|
|
String result = transformCache.get(object);
|
|
|
|
if (result != null) {
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2009-07-26 12:54:24 -04:00
|
|
|
String name = object.toString();
|
|
|
|
|
|
|
|
// use name without extension
|
|
|
|
if (object instanceof File) {
|
2011-10-28 02:28:19 -04:00
|
|
|
name = getName((File) object);
|
2011-11-24 12:27:39 -05:00
|
|
|
} else if (object instanceof FileInfo) {
|
|
|
|
name = ((FileInfo) object).getName();
|
2009-07-26 12:54:24 -04:00
|
|
|
}
|
|
|
|
|
2011-11-21 09:51:19 -05:00
|
|
|
// remove checksums, any [...] or (...)
|
|
|
|
name = removeEmbeddedChecksum(name);
|
2011-11-08 13:26:54 -05:00
|
|
|
|
2012-12-02 08:41:06 -05:00
|
|
|
synchronized (transliterator) {
|
|
|
|
name = transliterator.transform(name);
|
|
|
|
}
|
|
|
|
|
2011-11-08 13:26:54 -05:00
|
|
|
// remove/normalize special characters
|
2012-01-01 22:34:13 -05:00
|
|
|
name = normalizePunctuation(name);
|
2011-11-08 13:26:54 -05:00
|
|
|
|
2012-01-03 04:23:03 -05:00
|
|
|
// normalize to lower case
|
2012-07-16 06:09:21 -04:00
|
|
|
name = name.toLowerCase();
|
2012-01-03 04:23:03 -05:00
|
|
|
|
|
|
|
transformCache.put(object, name);
|
|
|
|
return name;
|
2009-07-26 12:54:24 -04:00
|
|
|
}
|
|
|
|
|
2011-12-07 00:43:56 -05:00
|
|
|
|
2011-11-13 13:29:25 -05:00
|
|
|
public static SimilarityMetric[] defaultSequence(boolean includeFileMetrics) {
|
2011-12-25 10:47:19 -05:00
|
|
|
// 1 pass: divide by file length (only works for matching torrent entries or files)
|
|
|
|
// 2-3 pass: divide by title or season / episode numbers
|
|
|
|
// 4 pass: divide by folder / file name and show name / episode title
|
|
|
|
// 5 pass: divide by name (rounded into n levels)
|
|
|
|
// 6 pass: divide by generic numeric similarity
|
2012-10-09 09:30:32 -04:00
|
|
|
// 7 pass: prefer episodes that were aired closer to the last modified date of the file
|
|
|
|
// 8 pass: resolve remaining collisions via absolute string similarity
|
2011-11-13 13:29:25 -05:00
|
|
|
if (includeFileMetrics) {
|
2013-02-15 04:50:23 -05:00
|
|
|
return new SimilarityMetric[] { FileSize, new MetricCascade(FileName, EpisodeFunnel), EpisodeBalancer, SubstringFields, MetaAttributes, new MetricCascade(NameSubstringSequence, Name), Numeric, NumericSequence, Name, TimeStamp, AbsoluteName };
|
2011-11-13 13:29:25 -05:00
|
|
|
} else {
|
2013-02-15 04:50:23 -05:00
|
|
|
return new SimilarityMetric[] { EpisodeFunnel, EpisodeBalancer, SubstringFields, MetaAttributes, new MetricCascade(NameSubstringSequence, Name), Numeric, NumericSequence, Name, TimeStamp, AbsoluteName };
|
2011-11-13 13:29:25 -05:00
|
|
|
}
|
2009-07-26 12:54:24 -04:00
|
|
|
}
|
|
|
|
|
2011-12-07 00:43:56 -05:00
|
|
|
|
2011-11-27 09:35:53 -05:00
|
|
|
public static SimilarityMetric verificationMetric() {
|
|
|
|
return new MetricCascade(FileSize, FileName, SeasonEpisode, AirDate, Title, Name);
|
|
|
|
}
|
|
|
|
|
2009-07-26 12:54:24 -04:00
|
|
|
}
|