709 lines
31 KiB
C++
709 lines
31 KiB
C++
/*
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* Copyright (C) 2024 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LMS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "AudioFileScanner.hpp"
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#include "core/IConfig.hpp"
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#include "core/ILogger.hpp"
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#include "core/ITraceLogger.hpp"
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#include "core/PartialDateTime.hpp"
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#include "core/Path.hpp"
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#include "core/Service.hpp"
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#include "database/Artist.hpp"
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#include "database/Cluster.hpp"
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#include "database/Db.hpp"
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#include "database/Directory.hpp"
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#include "database/MediaLibrary.hpp"
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#include "database/Release.hpp"
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#include "database/Session.hpp"
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#include "database/Track.hpp"
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#include "database/TrackArtistLink.hpp"
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#include "database/TrackFeatures.hpp"
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#include "database/TrackLyrics.hpp"
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#include "database/Types.hpp"
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#include "metadata/Exception.hpp"
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#include "metadata/IParser.hpp"
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#include "IFileScanOperation.hpp"
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#include "ScanContext.hpp"
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#include "ScannerSettings.hpp"
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#include "Utils.hpp"
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namespace lms::scanner
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{
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namespace
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{
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db::Artist::pointer createArtist(db::Session& session, const metadata::Artist& artistInfo)
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{
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db::Artist::pointer artist{ session.create<db::Artist>(artistInfo.name) };
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if (artistInfo.mbid)
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artist.modify()->setMBID(artistInfo.mbid);
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if (artistInfo.sortName)
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artist.modify()->setSortName(*artistInfo.sortName);
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return artist;
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}
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std::string optionalMBIDAsString(const std::optional<core::UUID>& uuid)
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{
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return uuid ? std::string{ uuid->getAsString() } : "<no MBID>";
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}
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void updateArtistIfNeeded(db::Artist::pointer artist, const metadata::Artist& artistInfo)
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{
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// Name may have been updated
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if (artist->getName() != artistInfo.name)
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{
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LMS_LOG(DBUPDATER, DEBUG, "Artist [" << optionalMBIDAsString(artist->getMBID()) << "], updated name from '" << artist->getName() << "' to '" << artistInfo.name << "'");
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artist.modify()->setName(artistInfo.name);
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}
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// Sortname may have been updated
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// As the sort name is quite often not filled in, we update it only if already set (for now?)
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if (artistInfo.sortName && *artistInfo.sortName != artist->getSortName())
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{
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LMS_LOG(DBUPDATER, DEBUG, "Artist [" << optionalMBIDAsString(artist->getMBID()) << "], updated sort name from '" << artist->getSortName() << "' to '" << *artistInfo.sortName << "'");
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artist.modify()->setSortName(*artistInfo.sortName);
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}
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}
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std::vector<db::Artist::pointer> getOrCreateArtists(db::Session& session, const std::vector<metadata::Artist>& artistsInfo, bool allowFallbackOnMBIDEntries)
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{
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std::vector<db::Artist::pointer> artists;
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for (const metadata::Artist& artistInfo : artistsInfo)
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{
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db::Artist::pointer artist;
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// First try to get by MBID
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if (artistInfo.mbid)
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{
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artist = db::Artist::find(session, *artistInfo.mbid);
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if (!artist)
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artist = createArtist(session, artistInfo);
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else
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updateArtistIfNeeded(artist, artistInfo);
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artists.emplace_back(std::move(artist));
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continue;
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}
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// Fall back on artist name (collisions may occur)
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if (!artistInfo.name.empty())
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{
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for (const db::Artist::pointer& sameNamedArtist : db::Artist::find(session, artistInfo.name))
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{
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// Do not fallback on artist that is correctly tagged
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if (!allowFallbackOnMBIDEntries && sameNamedArtist->getMBID())
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continue;
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artist = sameNamedArtist;
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break;
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}
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// No Artist found with the same name and without MBID -> creating
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if (!artist)
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artist = createArtist(session, artistInfo);
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else
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updateArtistIfNeeded(artist, artistInfo);
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artists.emplace_back(std::move(artist));
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continue;
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}
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}
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return artists;
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}
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db::ReleaseType::pointer getOrCreateReleaseType(db::Session& session, std::string_view name)
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{
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db::ReleaseType::pointer releaseType{ db::ReleaseType::find(session, name) };
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if (!releaseType)
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releaseType = session.create<db::ReleaseType>(name);
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return releaseType;
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}
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db::Label::pointer getOrCreateLabel(db::Session& session, std::string_view name)
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{
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db::Label::pointer label{ db::Label::find(session, name) };
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if (!label)
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label = session.create<db::Label>(name);
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return label;
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}
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void updateReleaseIfNeeded(db::Session& session, db::Release::pointer release, const metadata::Release& releaseInfo)
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{
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if (release->getName() != releaseInfo.name)
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release.modify()->setName(releaseInfo.name);
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if (release->getSortName() != releaseInfo.sortName)
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release.modify()->setSortName(releaseInfo.sortName);
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if (release->getGroupMBID() != releaseInfo.groupMBID)
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release.modify()->setGroupMBID(releaseInfo.groupMBID);
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if (release->getTotalDisc() != releaseInfo.mediumCount)
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release.modify()->setTotalDisc(releaseInfo.mediumCount);
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if (release->getArtistDisplayName() != releaseInfo.artistDisplayName)
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release.modify()->setArtistDisplayName(releaseInfo.artistDisplayName);
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if (release->isCompilation() != releaseInfo.isCompilation)
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release.modify()->setCompilation(releaseInfo.isCompilation);
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if (release->getBarcode() != releaseInfo.barcode)
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release.modify()->setBarcode(releaseInfo.barcode);
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if (release->getComment() != releaseInfo.comment)
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release.modify()->setComment(releaseInfo.comment);
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if (release->getReleaseTypeNames() != releaseInfo.releaseTypes)
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{
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release.modify()->clearReleaseTypes();
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for (std::string_view releaseType : releaseInfo.releaseTypes)
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release.modify()->addReleaseType(getOrCreateReleaseType(session, releaseType));
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}
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if (release->getLabelNames() != releaseInfo.labels)
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{
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release.modify()->clearLabels();
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for (std::string_view label : releaseInfo.labels)
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release.modify()->addLabel(getOrCreateLabel(session, label));
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}
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}
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// Compare release level info
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bool isReleaseMatching(const db::Release::pointer& candidateRelease, const metadata::Release& releaseInfo)
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{
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// TODO: add more criterias?
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return candidateRelease->getName() == releaseInfo.name
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&& candidateRelease->getSortName() == releaseInfo.sortName
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&& candidateRelease->getTotalDisc() == releaseInfo.mediumCount
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&& candidateRelease->isCompilation() == releaseInfo.isCompilation
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&& candidateRelease->getLabelNames() == releaseInfo.labels
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&& candidateRelease->getBarcode() == releaseInfo.barcode;
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}
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db::Release::pointer getOrCreateRelease(db::Session& session, const metadata::Release& releaseInfo, const db::Directory::pointer& currentDirectory)
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{
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db::Release::pointer release;
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// First try to get by MBID: fastest, safest
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if (releaseInfo.mbid)
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{
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release = db::Release::find(session, *releaseInfo.mbid);
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if (!release)
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release = session.create<db::Release>(releaseInfo.name, releaseInfo.mbid);
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}
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else if (releaseInfo.name.empty())
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{
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// No release name (only mbid) -> nothing to do
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return release;
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}
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// Fall back on release name (collisions may occur)
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// First try using all sibling directories (case for Album/DiscX), only if the disc number is set
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const db::DirectoryId parentDirectoryId{ currentDirectory->getParentDirectoryId() };
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if (!release && releaseInfo.mediumCount && *releaseInfo.mediumCount > 1 && parentDirectoryId.isValid())
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{
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db::Release::FindParameters params;
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params.setParentDirectory(parentDirectoryId);
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params.setName(releaseInfo.name);
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db::Release::find(session, params, [&](const db::Release::pointer& candidateRelease) {
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// Already found a candidate
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if (release)
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return;
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// Do not fallback on properly tagged releases
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if (candidateRelease->getMBID().has_value())
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return;
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if (!isReleaseMatching(candidateRelease, releaseInfo))
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return;
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release = candidateRelease;
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});
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}
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// Lastly try in the current directory: we do this at last to have
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// opportunities to merge releases in case of migration / rescan
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if (!release)
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{
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db::Release::FindParameters params;
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params.setDirectory(currentDirectory->getId());
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params.setName(releaseInfo.name);
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db::Release::find(session, params, [&](const db::Release::pointer& candidateRelease) {
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// Already found a candidate
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if (release)
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return;
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// Do not fallback on properly tagged releases
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if (candidateRelease->getMBID().has_value())
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return;
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if (!isReleaseMatching(candidateRelease, releaseInfo))
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return;
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release = candidateRelease;
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});
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}
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if (!release)
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release = session.create<db::Release>(releaseInfo.name);
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updateReleaseIfNeeded(session, release, releaseInfo);
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return release;
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}
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std::vector<db::Cluster::pointer> getOrCreateClusters(db::Session& session, const metadata::Track& track)
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{
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std::vector<db::Cluster::pointer> clusters;
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auto getOrCreateClusters{ [&](std::string_view tag, std::span<const std::string> values) {
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auto clusterType = db::ClusterType::find(session, tag);
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if (!clusterType)
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clusterType = session.create<db::ClusterType>(tag);
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for (const auto& value : values)
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{
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auto cluster{ clusterType->getCluster(value) };
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if (!cluster)
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cluster = session.create<db::Cluster>(clusterType, value);
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clusters.push_back(cluster);
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}
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} };
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// TODO: migrate these fields in dedicated tables in DB
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getOrCreateClusters("GENRE", track.genres);
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getOrCreateClusters("MOOD", track.moods);
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getOrCreateClusters("LANGUAGE", track.languages);
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getOrCreateClusters("GROUPING", track.groupings);
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for (const auto& [tag, values] : track.userExtraTags)
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getOrCreateClusters(tag, values);
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return clusters;
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}
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db::TrackLyrics::pointer createLyrics(db::Session& session, const metadata::Lyrics& lyricsInfo)
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{
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db::TrackLyrics::pointer lyrics{ session.create<db::TrackLyrics>() };
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lyrics.modify()->setLanguage(!lyricsInfo.language.empty() ? lyricsInfo.language : "xxx");
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lyrics.modify()->setOffset(lyricsInfo.offset);
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lyrics.modify()->setDisplayArtist(lyricsInfo.displayArtist);
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lyrics.modify()->setDisplayTitle(lyricsInfo.displayTitle);
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if (!lyricsInfo.synchronizedLines.empty())
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lyrics.modify()->setSynchronizedLines(lyricsInfo.synchronizedLines);
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else
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lyrics.modify()->setUnsynchronizedLines(lyricsInfo.unsynchronizedLines);
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return lyrics;
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}
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db::Advisory getAdvisory(std::optional<metadata::Track::Advisory> advisory)
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{
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if (!advisory)
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return db::Advisory::UnSet;
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switch (advisory.value())
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{
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case metadata::Track::Advisory::Clean:
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return db::Advisory::Clean;
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case metadata::Track::Advisory::Explicit:
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return db::Advisory::Explicit;
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case metadata::Track::Advisory::Unknown:
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return db::Advisory::Unknown;
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}
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return db::Advisory::UnSet;
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}
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class AudioFileScanOperation : public IFileScanOperation
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{
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public:
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AudioFileScanOperation(const FileToScan& fileToScan, db::Db& db, metadata::IParser& parser, const ScannerSettings& settings)
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: _file{ fileToScan.file }
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, _mediaLibrary{ fileToScan.mediaLibrary }
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, _db{ db }
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, _parser{ parser }
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, _settings{ settings }
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{
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}
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~AudioFileScanOperation() override = default;
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AudioFileScanOperation(const AudioFileScanOperation&) = delete;
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AudioFileScanOperation& operator=(const AudioFileScanOperation&) = delete;
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private:
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const std::filesystem::path& getFile() const override { return _file; };
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core::LiteralString getName() const override { return "ScanAudioFile"; }
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void scan() override;
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void processResult(ScanContext& context) override;
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const std::filesystem::path _file;
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const MediaLibraryInfo _mediaLibrary;
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db::Db& _db;
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metadata::IParser& _parser;
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const ScannerSettings& _settings;
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std::unique_ptr<metadata::Track> _parsedTrack;
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};
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void AudioFileScanOperation::scan()
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{
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LMS_SCOPED_TRACE_OVERVIEW("Scanner", "ScanAudioFile");
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std::unique_ptr<metadata::Track> track;
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try
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{
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_parsedTrack = _parser.parse(_file);
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}
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catch (const metadata::Exception& e)
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{
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LMS_LOG(DBUPDATER, ERROR, "Failed to parse audio file " << _file);
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}
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}
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void AudioFileScanOperation::processResult(ScanContext& context)
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{
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LMS_SCOPED_TRACE_DETAILED("Scanner", "ProcessAudioScanData");
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ScanStats& stats{ context.stats };
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const std::optional<FileInfo> fileInfo{ utils::retrieveFileInfo(_file, _mediaLibrary.rootDirectory) };
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if (!fileInfo)
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{
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stats.skips++;
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return;
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}
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db::Session& dbSession{ _db.getTLSSession() };
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db::Track::pointer track{ db::Track::findByPath(dbSession, _file) };
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if (!_parsedTrack)
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{
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if (track)
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{
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track.remove();
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stats.deletions++;
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}
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context.stats.errors.emplace_back(_file, ScanErrorType::CannotReadAudioFile);
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return;
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}
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if (_parsedTrack->mbid && (!track || _settings.skipDuplicateMBID))
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{
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std::vector<db::Track::pointer> duplicateTracks{ db::Track::findByMBID(dbSession, *_parsedTrack->mbid) };
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// find for an existing track MBID as the file may have just been moved
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if (!track && duplicateTracks.size() == 1)
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{
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db::Track::pointer otherTrack{ duplicateTracks.front() };
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std::error_code ec;
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if (!std::filesystem::exists(otherTrack->getAbsoluteFilePath(), ec))
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{
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LMS_LOG(DBUPDATER, DEBUG, "Considering track " << _file << " moved from " << otherTrack->getAbsoluteFilePath());
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track = otherTrack;
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track.modify()->setAbsoluteFilePath(_file);
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}
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}
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// Skip duplicate track MBID
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if (_settings.skipDuplicateMBID)
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{
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for (db::Track::pointer& otherTrack : duplicateTracks)
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{
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// Skip ourselves
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if (track && track->getId() == otherTrack->getId())
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continue;
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// Skip if duplicate files no longer in media root: as it will be removed later, we will end up with no file
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if (std::none_of(std::cbegin(_settings.mediaLibraries), std::cend(_settings.mediaLibraries),
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[&](const MediaLibraryInfo& libraryInfo) {
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return core::pathUtils::isPathInRootPath(_file, libraryInfo.rootDirectory, &excludeDirFileName);
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}))
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{
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continue;
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}
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LMS_LOG(DBUPDATER, DEBUG, "Skipped " << _file << " (similar MBID in " << otherTrack->getAbsoluteFilePath() << ")");
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// As this MBID already exists, just remove what we just scanned
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if (track)
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{
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track.remove();
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stats.deletions++;
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}
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return;
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}
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}
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}
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// We estimate this is an audio file if the duration is not null
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if (_parsedTrack->audioProperties.duration == std::chrono::milliseconds::zero())
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{
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LMS_LOG(DBUPDATER, DEBUG, "Skipped " << _file << " (duration is 0)");
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// If Track exists here, delete it!
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if (track)
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{
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track.remove();
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stats.deletions++;
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}
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stats.errors.emplace_back(_file, ScanErrorType::BadDuration);
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return;
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}
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// ***** Title
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std::string title;
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if (!_parsedTrack->title.empty())
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title = _parsedTrack->title;
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else
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{
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// TODO parse file name guess track etc.
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// For now juste use file name as title
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title = _file.filename().string();
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}
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// If file already exists, update its data
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// Otherwise, create it
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bool added{};
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if (!track)
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{
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track = dbSession.create<db::Track>();
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added = true;
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track.modify()->setAbsoluteFilePath(_file);
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track.modify()->setAddedTime(_mediaLibrary.firstScan ? fileInfo->lastWriteTime : Wt::WDateTime::currentDateTime()); // may be erased by encodingTime
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}
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// Track related data
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assert(track);
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// Audio properties
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track.modify()->setBitrate(_parsedTrack->audioProperties.bitrate);
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track.modify()->setBitsPerSample(_parsedTrack->audioProperties.bitsPerSample);
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track.modify()->setChannelCount(_parsedTrack->audioProperties.channelCount);
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track.modify()->setDuration(_parsedTrack->audioProperties.duration);
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track.modify()->setSampleRate(_parsedTrack->audioProperties.sampleRate);
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track.modify()->setRelativeFilePath(fileInfo->relativePath);
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track.modify()->setFileSize(fileInfo->fileSize);
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track.modify()->setLastWriteTime(fileInfo->lastWriteTime);
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if (_parsedTrack->encodingTime.isValid())
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{
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const core::PartialDateTime& encodingTime{ _parsedTrack->encodingTime };
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Wt::WDate date;
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Wt::WTime time;
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if (encodingTime.getPrecision() >= core::PartialDateTime::Precision::Day)
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date = Wt::WDate{ *encodingTime.getYear(), *encodingTime.getMonth(), *encodingTime.getDay() };
|
|
if (encodingTime.getPrecision() >= core::PartialDateTime::Precision::Sec)
|
|
time = Wt::WTime{ *encodingTime.getHour(), *encodingTime.getMin(), *encodingTime.getSec() };
|
|
|
|
if (date.isValid())
|
|
track.modify()->setAddedTime(time.isValid() ? Wt::WDateTime{ date, time } : Wt::WDateTime{ date });
|
|
}
|
|
|
|
db::MediaLibrary::pointer mediaLibrary{ db::MediaLibrary::find(dbSession, _mediaLibrary.id) }; // may be null if settings are updated in // => next scan will correct this
|
|
track.modify()->setMediaLibrary(mediaLibrary);
|
|
db::Directory::pointer directory{ utils::getOrCreateDirectory(dbSession, _file.parent_path(), mediaLibrary) };
|
|
track.modify()->setDirectory(directory);
|
|
|
|
track.modify()->clearArtistLinks();
|
|
// Do not fallback on artists with the same name but having a MBID for artist and releaseArtists, as it may be corrected by properly tagging files
|
|
for (const db::Artist::pointer& artist : getOrCreateArtists(dbSession, _parsedTrack->artists, false))
|
|
track.modify()->addArtistLink(db::TrackArtistLink::create(dbSession, track, artist, db::TrackArtistLinkType::Artist));
|
|
|
|
if (_parsedTrack->medium && _parsedTrack->medium->release)
|
|
{
|
|
for (const db::Artist::pointer& releaseArtist : getOrCreateArtists(dbSession, _parsedTrack->medium->release->artists, false))
|
|
track.modify()->addArtistLink(db::TrackArtistLink::create(dbSession, track, releaseArtist, db::TrackArtistLinkType::ReleaseArtist));
|
|
}
|
|
|
|
// Allow fallbacks on artists with the same name even if they have MBID, since there is no tag to indicate the MBID of these artists
|
|
// We could ask MusicBrainz to get all the information, but that would heavily slow down the import process
|
|
for (const db::Artist::pointer& conductor : getOrCreateArtists(dbSession, _parsedTrack->conductorArtists, true))
|
|
track.modify()->addArtistLink(db::TrackArtistLink::create(dbSession, track, conductor, db::TrackArtistLinkType::Conductor));
|
|
|
|
for (const db::Artist::pointer& composer : getOrCreateArtists(dbSession, _parsedTrack->composerArtists, true))
|
|
track.modify()->addArtistLink(db::TrackArtistLink::create(dbSession, track, composer, db::TrackArtistLinkType::Composer));
|
|
|
|
for (const db::Artist::pointer& lyricist : getOrCreateArtists(dbSession, _parsedTrack->lyricistArtists, true))
|
|
track.modify()->addArtistLink(db::TrackArtistLink::create(dbSession, track, lyricist, db::TrackArtistLinkType::Lyricist));
|
|
|
|
for (const db::Artist::pointer& mixer : getOrCreateArtists(dbSession, _parsedTrack->mixerArtists, true))
|
|
track.modify()->addArtistLink(db::TrackArtistLink::create(dbSession, track, mixer, db::TrackArtistLinkType::Mixer));
|
|
|
|
for (const auto& [role, performers] : _parsedTrack->performerArtists)
|
|
{
|
|
for (const db::Artist::pointer& performer : getOrCreateArtists(dbSession, performers, true))
|
|
track.modify()->addArtistLink(db::TrackArtistLink::create(dbSession, track, performer, db::TrackArtistLinkType::Performer, role));
|
|
}
|
|
|
|
for (const db::Artist::pointer& producer : getOrCreateArtists(dbSession, _parsedTrack->producerArtists, true))
|
|
track.modify()->addArtistLink(db::TrackArtistLink::create(dbSession, track, producer, db::TrackArtistLinkType::Producer));
|
|
|
|
for (const db::Artist::pointer& remixer : getOrCreateArtists(dbSession, _parsedTrack->remixerArtists, true))
|
|
track.modify()->addArtistLink(db::TrackArtistLink::create(dbSession, track, remixer, db::TrackArtistLinkType::Remixer));
|
|
|
|
track.modify()->setScanVersion(_settings.scanVersion);
|
|
if (_parsedTrack->medium && _parsedTrack->medium->release)
|
|
track.modify()->setRelease(getOrCreateRelease(dbSession, *_parsedTrack->medium->release, directory));
|
|
else
|
|
track.modify()->setRelease({});
|
|
track.modify()->setTotalTrack(_parsedTrack->medium ? _parsedTrack->medium->trackCount : std::nullopt);
|
|
track.modify()->setReleaseReplayGain(_parsedTrack->medium ? _parsedTrack->medium->replayGain : std::nullopt);
|
|
track.modify()->setDiscSubtitle(_parsedTrack->medium ? _parsedTrack->medium->name : "");
|
|
track.modify()->setClusters(getOrCreateClusters(dbSession, *_parsedTrack));
|
|
track.modify()->setName(title);
|
|
track.modify()->setTrackNumber(_parsedTrack->position);
|
|
track.modify()->setDiscNumber(_parsedTrack->medium ? _parsedTrack->medium->position : std::nullopt);
|
|
track.modify()->setDate(_parsedTrack->date);
|
|
track.modify()->setOriginalDate(_parsedTrack->originalDate);
|
|
if (!track->getOriginalDate().isValid() && _parsedTrack->originalYear)
|
|
track.modify()->setOriginalDate(core::PartialDateTime{ *_parsedTrack->originalYear });
|
|
|
|
// If a file has an OriginalDate but no date, set it to ease filtering
|
|
if (!_parsedTrack->date.isValid() && _parsedTrack->originalDate.isValid())
|
|
track.modify()->setDate(_parsedTrack->originalDate);
|
|
|
|
track.modify()->setRecordingMBID(_parsedTrack->recordingMBID);
|
|
track.modify()->setTrackMBID(_parsedTrack->mbid);
|
|
if (auto trackFeatures{ db::TrackFeatures::find(dbSession, track->getId()) })
|
|
trackFeatures.remove(); // TODO: only if MBID changed?
|
|
track.modify()->setHasCover(_parsedTrack->hasCover);
|
|
track.modify()->setCopyright(_parsedTrack->copyright);
|
|
track.modify()->setCopyrightURL(_parsedTrack->copyrightURL);
|
|
track.modify()->setAdvisory(getAdvisory(_parsedTrack->advisory));
|
|
track.modify()->setComment(!_parsedTrack->comments.empty() ? _parsedTrack->comments.front() : ""); // only take the first one for now
|
|
track.modify()->setTrackReplayGain(_parsedTrack->replayGain);
|
|
track.modify()->setArtistDisplayName(_parsedTrack->artistDisplayName);
|
|
|
|
track.modify()->clearEmbeddedLyrics();
|
|
for (const metadata::Lyrics& lyricsInfo : _parsedTrack->lyrics)
|
|
{
|
|
db::TrackLyrics::pointer lyrics{ createLyrics(dbSession, lyricsInfo) };
|
|
track.modify()->addLyrics(lyrics);
|
|
}
|
|
|
|
if (added)
|
|
{
|
|
LMS_LOG(DBUPDATER, DEBUG, "Added audio file " << _file);
|
|
stats.additions++;
|
|
}
|
|
else
|
|
{
|
|
LMS_LOG(DBUPDATER, DEBUG, "Updated audio file " << _file);
|
|
stats.updates++;
|
|
}
|
|
}
|
|
|
|
metadata::ParserReadStyle getParserReadStyle()
|
|
{
|
|
std::string_view readStyle{ core::Service<core::IConfig>::get()->getString("scanner-parser-read-style", "average") };
|
|
|
|
if (readStyle == "fast")
|
|
return metadata::ParserReadStyle::Fast;
|
|
if (readStyle == "average")
|
|
return metadata::ParserReadStyle::Average;
|
|
if (readStyle == "accurate")
|
|
return metadata::ParserReadStyle::Accurate;
|
|
|
|
throw core::LmsException{ "Invalid value for 'scanner-parser-read-style'" };
|
|
}
|
|
} // namespace
|
|
|
|
AudioFileScanner::AudioFileScanner(db::Db& db, const ScannerSettings& settings)
|
|
: _db{ db }
|
|
, _settings{ settings }
|
|
, _metadataParser{ metadata::createParser(metadata::ParserBackend::TagLib, getParserReadStyle()) } // For now, always use TagLib
|
|
{
|
|
std::vector<std::string> tagsToParse{ _extraTagsToParse };
|
|
tagsToParse.insert(std::end(tagsToParse), std::cbegin(settings.extraTags), std::cend(settings.extraTags));
|
|
_metadataParser->setUserExtraTags(tagsToParse);
|
|
_metadataParser->setArtistTagDelimiters(settings.artistTagDelimiters);
|
|
_metadataParser->setDefaultTagDelimiters(settings.defaultTagDelimiters);
|
|
}
|
|
|
|
AudioFileScanner::~AudioFileScanner() = default;
|
|
|
|
core::LiteralString AudioFileScanner::getName() const
|
|
{
|
|
return "Audio scanner";
|
|
}
|
|
|
|
std::span<const std::filesystem::path> AudioFileScanner::getSupportedExtensions() const
|
|
{
|
|
return _metadataParser->getSupportedExtensions();
|
|
}
|
|
|
|
bool AudioFileScanner::needsScan(ScanContext& context, const FileToScan& file) const
|
|
{
|
|
ScanStats& stats{ context.stats };
|
|
|
|
const Wt::WDateTime lastWriteTime{ utils::retrieveFileGetLastWrite(file.file) };
|
|
// Should rarely fail as we are currently iterating it
|
|
if (!lastWriteTime.isValid())
|
|
{
|
|
stats.skips++;
|
|
return false;
|
|
}
|
|
|
|
if (context.scanOptions.fullScan)
|
|
return true;
|
|
|
|
bool needUpdateLibrary{};
|
|
db::Session& dbSession{ _db.getTLSSession() };
|
|
|
|
{
|
|
auto transaction{ dbSession.createReadTransaction() };
|
|
|
|
// Skip file if last write is the same
|
|
const db::Track::pointer track{ db::Track::findByPath(dbSession, file.file) };
|
|
if (track
|
|
&& track->getLastWriteTime() == lastWriteTime
|
|
&& track->getScanVersion() == _settings.scanVersion)
|
|
{
|
|
// this file may have been moved from one library to another, then we just need to update the media library id instead of a full rescan
|
|
const auto trackMediaLibrary{ track->getMediaLibrary() };
|
|
if (trackMediaLibrary && trackMediaLibrary->getId() == file.mediaLibrary.id)
|
|
{
|
|
stats.skips++;
|
|
return false;
|
|
}
|
|
|
|
needUpdateLibrary = true;
|
|
}
|
|
}
|
|
|
|
if (needUpdateLibrary)
|
|
{
|
|
auto transaction{ dbSession.createWriteTransaction() };
|
|
|
|
db::Track::pointer track{ db::Track::findByPath(dbSession, file.file) };
|
|
assert(track);
|
|
track.modify()->setMediaLibrary(db::MediaLibrary::find(dbSession, file.mediaLibrary.id)); // may be null, will be handled in the next scan anyway
|
|
stats.updates++;
|
|
return false;
|
|
}
|
|
|
|
return true; // need to scan
|
|
}
|
|
|
|
std::unique_ptr<IFileScanOperation> AudioFileScanner::createScanOperation(const FileToScan& fileToScan) const
|
|
{
|
|
return std::make_unique<AudioFileScanOperation>(fileToScan, _db, *_metadataParser, _settings);
|
|
}
|
|
} // namespace lms::scanner
|