Examples with SearchProvider fredboat.definitions.SearchProvider used on opensource projects

Example 1 with SearchProvider

use of fredboat.definitions.SearchProvider in project FredBoat by Frederikam.

the class TrackSearcher method searchForTracks.

/**
 * @param query         The search term
 * @param cacheMaxAge   Age of acceptable results from cache.
 * @param timeoutMillis How long to wait for each lavaplayer search to answer
 * @param providers     Providers that shall be used for the search. They will be used in the order they are provided, the
 *                      result of the first successful one will be returned
 * @return The result of the search, or an empty list.
 * @throws SearchingException If none of the search providers could give us a result, and there was at least one SearchingException thrown by them
 */
public AudioPlaylist searchForTracks(String query, long cacheMaxAge, int timeoutMillis, List<SearchProvider> providers) throws SearchingException {
    Metrics.searchRequests.inc();
    List<SearchProvider> provs = new ArrayList<>();
    if (providers == null || providers.isEmpty()) {
        log.warn("No search provider provided, defaulting to youtube -> soundcloud.");
        provs.add(SearchProvider.YOUTUBE);
        provs.add(SearchProvider.SOUNDCLOUD);
    } else {
        provs.addAll(providers);
    }
    SearchingException searchingException = null;
    for (SearchProvider provider : provs) {
        // 1. cache
        AudioPlaylist cacheResult = fromCache(provider, query, cacheMaxAge);
        if (cacheResult != null && !cacheResult.getTracks().isEmpty()) {
            log.debug("Loaded search result {} {} from cache", provider, query);
            Metrics.searchHits.labels("cache").inc();
            return cacheResult;
        }
        // 2. lavaplayer todo break up this beautiful construction of ifs and exception handling in a better readable one?
        if (provider != SearchProvider.YOUTUBE || System.currentTimeMillis() > youtubeCooldownUntil) {
            try {
                AudioPlaylist lavaplayerResult = new SearchResultHandler().searchSync(audioPlayerManager, provider, query, timeoutMillis);
                if (!lavaplayerResult.getTracks().isEmpty()) {
                    log.debug("Loaded search result {} {} from lavaplayer", provider, query);
                    // got a search result? cache and return it
                    executor.execute(() -> searchResultService.mergeSearchResult(new SearchResult(audioPlayerManager, provider, query, lavaplayerResult)));
                    Metrics.searchHits.labels("lavaplayer-" + provider.name().toLowerCase()).inc();
                    return lavaplayerResult;
                }
            } catch (Http503Exception e) {
                if (provider == SearchProvider.YOUTUBE) {
                    log.warn("Got a 503 from Youtube. Not hitting it with searches it for {} minutes", TimeUnit.MILLISECONDS.toMinutes(DEFAULT_YOUTUBE_COOLDOWN));
                    youtubeCooldownUntil = System.currentTimeMillis() + DEFAULT_YOUTUBE_COOLDOWN;
                }
                searchingException = e;
            } catch (SearchingException e) {
                searchingException = e;
            }
        }
        // 3. optional: youtube api
        if (provider == SearchProvider.YOUTUBE && (appConfig.isPatronDistribution() || appConfig.isDevDistribution())) {
            try {
                AudioPlaylist youtubeApiResult = youtubeAPI.search(query, MAX_RESULTS, audioPlayerManager.source(YoutubeAudioSourceManager.class));
                if (!youtubeApiResult.getTracks().isEmpty()) {
                    log.debug("Loaded search result {} {} from Youtube API", provider, query);
                    // got a search result? cache and return it
                    executor.execute(() -> searchResultService.mergeSearchResult(new SearchResult(audioPlayerManager, provider, query, youtubeApiResult)));
                    Metrics.searchHits.labels("youtube-api").inc();
                    return youtubeApiResult;
                }
            } catch (SearchingException e) {
                searchingException = e;
            }
        }
    }
    // did we run into searching exceptions that made us end up here?
    if (searchingException != null) {
        Metrics.searchHits.labels("exception").inc();
        throw searchingException;
    }
    // no result with any of the search providers
    Metrics.searchHits.labels("empty").inc();
    return new BasicAudioPlaylist("Search result for: " + query, Collections.emptyList(), null, true);
}