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Code Issues Releases Wiki Activity

Refactor movie local search and optimize "no year" corner case

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This commit is contained in:
Reinhard Pointner 2018-05-28 14:48:54 +07:00
parent 6d818f8ffe
commit 368da08019
1 changed files with 40 additions and 12 deletions
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46
source/net/filebot/WebServices.java
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@ -8,11 +8,14 @@ import static net.filebot.Settings.*;
import static net.filebot.media.MediaDetection.*;
import static net.filebot.util.FileUtilities.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
@ -131,36 +134,61 @@ public final class WebServices {
}
// local TheMovieDB search index
private Map<Integer, Resource<LocalSearch<Movie>>> localIndexPerYear = synchronizedMap(new HashMap<>());
private final Map<Integer, LocalSearch<Movie>> localIndexPerYear = synchronizedMap(new HashMap<>());
private Resource<LocalSearch<Movie>> getLocalIndex(int year) {
return Resource.lazy(() -> {
if (year > 0) {
private LocalSearch<Movie> getLocalIndexByYear(int year) {
return localIndexPerYear.computeIfAbsent(year, y -> {
try {
// limit search index to a given year (so we don't have to check all movies of all time all the time)
Movie[] movies = stream(releaseInfo.getMovieList()).filter(m -> year == m.getYear()).toArray(Movie[]::new);
// search by primary movie name and all known alias names
return new LocalSearch<>(movies, Movie::getEffectiveNamesWithoutYear);
} catch (Exception e) {
throw new RuntimeException(e);
}
});
}
private LocalSearch<Movie> getLocalIndex() throws Exception {
return localIndexPerYear.computeIfAbsent(0, y -> {
try {
// check all movies of all time if release year is not known (but only compare to primary title for performance reasons)
return new LocalSearch<>(releaseInfo.getMovieList(), m -> singleton(m.getName()));
} catch (Exception e) {
throw new RuntimeException(e);
}
});
}
@Override
public List<Movie> searchMovie(String movieName, int movieYear, Locale locale, boolean extendedInfo) throws Exception {
// run local search and API search in parallel
Future<List<Movie>> apiSearch = requestThreadPool.submit(() -> TMDbClientWithLocalSearch.super.searchMovie(movieName, movieYear, locale, extendedInfo));
List<Callable<List<Movie>>> searches = new ArrayList<>();
// online API search first
searches.add(() -> TMDbClientWithLocalSearch.super.searchMovie(movieName, movieYear, locale, extendedInfo));
if (movieYear > 0) {
// the year might be off by 1 so we also check movies from the previous year and the next year
Future<List<Movie>> localSearch1 = requestThreadPool.submit(() -> localIndexPerYear.computeIfAbsent(movieYear, this::getLocalIndex).get().search(movieName));
Future<List<Movie>> localSearch2 = requestThreadPool.submit(() -> localIndexPerYear.computeIfAbsent(movieYear - 1, this::getLocalIndex).get().search(movieName));
Future<List<Movie>> localSearch3 = requestThreadPool.submit(() -> localIndexPerYear.computeIfAbsent(movieYear + 1, this::getLocalIndex).get().search(movieName));
searches.add(() -> getLocalIndexByYear(movieYear).search(movieName));
searches.add(() -> getLocalIndexByYear(movieYear - 1).search(movieName));
searches.add(() -> getLocalIndexByYear(movieYear + 1).search(movieName));
} else {
// search all movies of all years if year is unknown
searches.add(() -> getLocalIndex().search(movieName));
}
// combine alias names into a single search results, and keep API search name as primary name
return Stream.of(apiSearch.get(), localSearch1.get(), localSearch2.get(), localSearch3.get()).flatMap(List::stream).distinct().collect(toList());
LinkedHashSet<Movie> movies = new LinkedHashSet<>();
for (Future<List<Movie>> searchResult : requestThreadPool.invokeAll(searches)) {
movies.addAll(searchResult.get());
}
return new ArrayList<>(movies);
}
}
public static class TheTVDBClientWithLocalSearch extends TheTVDBClient {