Renamed folder
This commit is contained in:
emeric
@@ -0,0 +1,634 @@
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/*
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* Copyright (C) 2023 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 "Browsing.hpp"
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#include "core/ILogger.hpp"
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#include "core/Random.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/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/User.hpp"
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#include "services/feedback/IFeedbackService.hpp"
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#include "services/recommendation/IRecommendationService.hpp"
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#include "services/scrobbling/IScrobblingService.hpp"
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#include "ParameterParsing.hpp"
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#include "SubsonicId.hpp"
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#include "responses/Album.hpp"
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#include "responses/AlbumInfo.hpp"
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#include "responses/Artist.hpp"
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#include "responses/Genre.hpp"
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#include "responses/Song.hpp"
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namespace lms::api::subsonic
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{
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using namespace db;
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static const unsigned long long reportedDummyDateULong{ 946684800000ULL }; // 2000-01-01T00:00:00 UTC
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namespace
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{
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std::vector<Directory::pointer> getRootDirectories(Session& session, MediaLibraryId libraryId)
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{
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std::vector<Directory::pointer> res;
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if (libraryId.isValid())
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{
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if (const MediaLibrary::pointer library{ MediaLibrary::find(session, libraryId) })
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{
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if (Directory::pointer rootDirectory{ Directory::find(session, library->getPath()) })
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res.push_back(rootDirectory);
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}
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}
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else
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{
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res = Directory::findRootDirectories(session).results;
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}
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return res;
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}
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struct IndexComparator
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{
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constexpr bool operator()(char lhs, char rhs) const
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{
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if (lhs == '#' && std::isalpha(rhs))
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return false;
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if (rhs == '#' && std::isalpha(lhs))
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return true;
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return lhs < rhs;
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}
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};
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using IndexMap = std::map<char, std::vector<Directory::pointer>, IndexComparator>;
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void getIndexedChildDirectories(RequestContext& context, const Directory::pointer& parentDirectory, IndexMap& res)
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{
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Directory::FindParameters params;
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params.setParentDirectory(parentDirectory->getId());
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Directory::find(context.dbSession, params, [&](const Directory::pointer& directory) {
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const std::string_view name{ directory->getName() };
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assert(!name.empty());
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char sortChar;
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if (name.empty() || !std::isalpha(name[0]))
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sortChar = '#';
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else
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sortChar = std::toupper(name[0]);
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res[sortChar].push_back(directory);
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});
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}
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std::vector<TrackId> findSimilarSongs(RequestContext& context, ArtistId artistId, std::size_t count)
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{
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// API says: "Returns a random collection of songs from the given artist and similar artists"
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const std::size_t similarArtistCount{ count / 5 };
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std::vector<ArtistId> artistIds{ core::Service<recommendation::IRecommendationService>::get()->getSimilarArtists(artistId, { TrackArtistLinkType::Artist, TrackArtistLinkType::ReleaseArtist }, similarArtistCount) };
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artistIds.push_back(artistId);
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const std::size_t meanTrackCountPerArtist{ (count / artistIds.size()) + 1 };
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auto transaction{ context.dbSession.createReadTransaction() };
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std::vector<TrackId> tracks;
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tracks.reserve(count);
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for (const ArtistId id : artistIds)
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{
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Track::FindParameters params;
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params.setArtist(id);
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params.setRange(Range{ 0, meanTrackCountPerArtist });
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params.setSortMethod(TrackSortMethod::Random);
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const auto artistTracks{ Track::findIds(context.dbSession, params) };
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tracks.insert(std::end(tracks),
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std::begin(artistTracks.results),
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std::end(artistTracks.results));
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}
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return tracks;
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}
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std::vector<TrackId> findSimilarSongs(RequestContext& context, ReleaseId releaseId, std::size_t count)
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{
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// API says: "Returns a random collection of songs from the given artist and similar artists"
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// so let's extend this for release
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const std::size_t similarReleaseCount{ count / 5 };
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std::vector<ReleaseId> releaseIds{ core::Service<recommendation::IRecommendationService>::get()->getSimilarReleases(releaseId, similarReleaseCount) };
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releaseIds.push_back(releaseId);
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const std::size_t meanTrackCountPerRelease{ (count / releaseIds.size()) + 1 };
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auto transaction{ context.dbSession.createReadTransaction() };
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std::vector<TrackId> tracks;
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tracks.reserve(count);
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for (const ReleaseId id : releaseIds)
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{
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Track::FindParameters params;
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params.setRelease(id);
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params.setRange(Range{ 0, meanTrackCountPerRelease });
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params.setSortMethod(TrackSortMethod::Random);
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const auto releaseTracks{ Track::findIds(context.dbSession, params) };
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tracks.insert(std::end(tracks),
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std::begin(releaseTracks.results),
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std::end(releaseTracks.results));
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}
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return tracks;
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}
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std::vector<TrackId> findSimilarSongs(RequestContext&, TrackId trackId, std::size_t count)
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{
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return core::Service<recommendation::IRecommendationService>::get()->findSimilarTracks({ trackId }, count);
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}
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Response handleGetSimilarSongsRequestCommon(RequestContext& context, bool id3)
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{
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// Optional params
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std::size_t count{ getParameterAs<std::size_t>(context.parameters, "count").value_or(50) };
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if (count > defaultMaxCountSize)
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throw ParameterValueTooHighGenericError{ "count", defaultMaxCountSize };
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std::vector<TrackId> tracks;
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if (const auto artistId{ getParameterAs<ArtistId>(context.parameters, "id") })
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tracks = findSimilarSongs(context, *artistId, count);
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else if (const auto releaseId{ getParameterAs<ReleaseId>(context.parameters, "id") })
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tracks = findSimilarSongs(context, *releaseId, count);
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else if (const auto trackId{ getParameterAs<TrackId>(context.parameters, "id") })
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tracks = findSimilarSongs(context, *trackId, count);
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else
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throw BadParameterGenericError{ "id" };
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core::random::shuffleContainer(tracks);
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auto transaction{ context.dbSession.createReadTransaction() };
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Response response{ Response::createOkResponse(context.serverProtocolVersion) };
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Response::Node& similarSongsNode{ response.createNode(id3 ? Response::Node::Key{ "similarSongs2" } : Response::Node::Key{ "similarSongs" }) };
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for (const TrackId trackId : tracks)
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{
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const Track::pointer track{ Track::find(context.dbSession, trackId) };
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similarSongsNode.addArrayChild("song", createSongNode(context, track, context.user));
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}
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return response;
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}
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Release::pointer getReleaseFromDirectory(Session& session, DirectoryId directoryId)
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{
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auto transaction{ session.createReadTransaction() };
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Release::FindParameters params;
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params.setDirectory(directoryId);
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params.setRange(Range{ 0, 1 }); // only support 1 directory <-> 1 release
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Release::pointer res;
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Release::find(session, params, [&](const Release::pointer& release) {
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res = release;
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});
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return res;
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}
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} // namespace
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Response handleGetMusicFoldersRequest(RequestContext& context)
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{
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Response response{ Response::createOkResponse(context.serverProtocolVersion) };
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Response::Node& musicFoldersNode{ response.createNode("musicFolders") };
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auto transaction{ context.dbSession.createReadTransaction() };
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MediaLibrary::find(context.dbSession, [&](const MediaLibrary::pointer& library) {
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Response::Node& musicFolderNode{ musicFoldersNode.createArrayChild("musicFolder") };
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musicFolderNode.setAttribute("id", idToString(library->getId()));
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musicFolderNode.setAttribute("name", library->getName());
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});
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return response;
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}
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Response handleGetIndexesRequest(RequestContext& context)
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{
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// Optional params
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const MediaLibraryId mediaLibrary{ getParameterAs<MediaLibraryId>(context.parameters, "musicFolderId").value_or(MediaLibraryId{}) };
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Response response{ Response::createOkResponse(context.serverProtocolVersion) };
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Response::Node& indexesNode{ response.createNode("indexes") };
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indexesNode.setAttribute("ignoredArticles", "");
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indexesNode.setAttribute("lastModified", reportedDummyDateULong); // TODO report last file write?
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auto transaction{ context.dbSession.createReadTransaction() };
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const std::vector<Directory::pointer> rootDirectories{ getRootDirectories(context.dbSession, mediaLibrary) };
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IndexMap indexedDirectories;
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for (const Directory::pointer& rootdirectory : rootDirectories)
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{
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Track::FindParameters params;
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params.setDirectory(rootdirectory->getId());
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Track::find(context.dbSession, params, [&](const Track::pointer& track) {
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indexesNode.addArrayChild("child", createSongNode(context, track, context.user));
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});
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getIndexedChildDirectories(context, rootdirectory, indexedDirectories);
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}
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for (const auto& [index, directories] : indexedDirectories)
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{
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Response::Node& indexNode{ indexesNode.createArrayChild("index") };
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indexNode.setAttribute("name", std::string{ index });
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for (const Directory::pointer& directory : directories)
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{
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// Legacy behavior: all sub directories are considered as artists (even if this is just containing an album, or just an intermediary directory)
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Response::Node childNode;
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childNode.setAttribute("id", idToString(directory->getId()));
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childNode.setAttribute("name", directory->getName());
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indexNode.addArrayChild("artist", std::move(childNode));
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}
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}
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return response;
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}
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Response handleGetMusicDirectoryRequest(RequestContext& context)
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{
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// Mandatory params
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const auto directoryId{ getMandatoryParameterAs<DirectoryId>(context.parameters, "id") };
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Response response{ Response::createOkResponse(context.serverProtocolVersion) };
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Response::Node& directoryNode{ response.createNode("directory") };
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auto transaction{ context.dbSession.createReadTransaction() };
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const Directory::pointer directory{ Directory::find(context.dbSession, directoryId) };
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if (!directory)
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throw RequestedDataNotFoundError{};
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if (const Release::pointer release{ getReleaseFromDirectory(context.dbSession, directoryId) })
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{
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directoryNode.setAttribute("playCount", core::Service<scrobbling::IScrobblingService>::get()->getCount(context.user->getId(), release->getId()));
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if (const Wt::WDateTime dateTime{ core::Service<feedback::IFeedbackService>::get()->getStarredDateTime(context.user->getId(), release->getId()) }; dateTime.isValid())
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directoryNode.setAttribute("starred", core::stringUtils::toISO8601String(dateTime));
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}
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directoryNode.setAttribute("id", idToString(directory->getId()));
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directoryNode.setAttribute("name", directory->getName());
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// Original Subsonic does not report parent if this the parent directory is the root directory
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if (const Directory::pointer parentDirectory{ directory->getParentDirectory() })
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directoryNode.setAttribute("parent", idToString(parentDirectory->getId()));
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// list all sub directories
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{
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Directory::FindParameters params;
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params.setParentDirectory(directory->getId());
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Directory::find(context.dbSession, params, [&](const Directory::pointer& subDirectory) {
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const Release::pointer release{ getReleaseFromDirectory(context.dbSession, subDirectory->getId()) };
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if (release)
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{
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directoryNode.addArrayChild("child", createAlbumNode(context, release, false, subDirectory));
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}
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else
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{
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Response::Node childNode;
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childNode.setAttribute("id", idToString(subDirectory->getId()));
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childNode.setAttribute("title", subDirectory->getName());
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childNode.setAttribute("isDir", true);
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childNode.setAttribute("parent", idToString(directory->getId()));
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directoryNode.addArrayChild("child", std::move(childNode));
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}
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});
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}
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// list all tracks
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{
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Track::FindParameters params;
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params.setDirectory(directory->getId());
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Track::find(context.dbSession, params, [&](const Track::pointer& track) {
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directoryNode.addArrayChild("child", createSongNode(context, track, context.user));
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});
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}
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return response;
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}
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Response handleGetGenresRequest(RequestContext& context)
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{
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Response response{ Response::createOkResponse(context.serverProtocolVersion) };
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Response::Node& genresNode{ response.createNode("genres") };
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auto transaction{ context.dbSession.createReadTransaction() };
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const ClusterType::pointer clusterType{ ClusterType::find(context.dbSession, "GENRE") };
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if (clusterType)
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{
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const auto clusters{ clusterType->getClusters() };
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for (const Cluster::pointer& cluster : clusters)
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genresNode.addArrayChild("genre", createGenreNode(context, cluster));
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}
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return response;
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}
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Response handleGetArtistsRequest(RequestContext& context)
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{
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// Optional params
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const MediaLibraryId mediaLibrary{ getParameterAs<MediaLibraryId>(context.parameters, "musicFolderId").value_or(MediaLibraryId{}) };
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Response response{ Response::createOkResponse(context.serverProtocolVersion) };
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Response::Node& artistsNode{ response.createNode("artists") };
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artistsNode.setAttribute("ignoredArticles", "");
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artistsNode.setAttribute("lastModified", reportedDummyDateULong); // TODO report last file write?
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Artist::FindParameters parameters;
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{
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auto transaction{ context.dbSession.createReadTransaction() };
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parameters.setSortMethod(ArtistSortMethod::SortName);
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switch (context.user->getSubsonicArtistListMode())
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{
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case SubsonicArtistListMode::AllArtists:
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break;
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case SubsonicArtistListMode::ReleaseArtists:
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parameters.setLinkType(TrackArtistLinkType::ReleaseArtist);
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break;
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case SubsonicArtistListMode::TrackArtists:
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parameters.setLinkType(TrackArtistLinkType::Artist);
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break;
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}
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}
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parameters.setMediaLibrary(mediaLibrary);
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// This endpoint does not scale: make sort lived transactions in order not to block the whole application
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// first pass: dispatch the artists by first letter
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LMS_LOG(API_SUBSONIC, DEBUG, "GetArtists: fetching all artists...");
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std::map<char, std::vector<ArtistId>> artistsSortedByFirstChar;
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std::size_t currentArtistOffset{ 0 };
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constexpr std::size_t batchSize{ 100 };
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bool hasMoreArtists{ true };
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while (hasMoreArtists)
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{
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auto transaction{ context.dbSession.createReadTransaction() };
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parameters.setRange(Range{ currentArtistOffset, batchSize });
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const auto artists{ Artist::find(context.dbSession, parameters) };
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for (const Artist::pointer& artist : artists.results)
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{
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std::string_view sortName{ artist->getSortName() };
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char sortChar;
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if (sortName.empty() || !std::isalpha(sortName[0]))
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sortChar = '#';
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else
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sortChar = std::toupper(sortName[0]);
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artistsSortedByFirstChar[sortChar].push_back(artist->getId());
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}
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hasMoreArtists = artists.moreResults;
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currentArtistOffset += artists.results.size();
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}
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// second pass: add each artist
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LMS_LOG(API_SUBSONIC, DEBUG, "GetArtists: constructing response...");
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for (const auto& [sortChar, artistIds] : artistsSortedByFirstChar)
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{
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Response::Node& indexNode{ artistsNode.createArrayChild("index") };
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indexNode.setAttribute("name", std::string{ sortChar });
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for (const ArtistId artistId : artistIds)
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{
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auto transaction{ context.dbSession.createReadTransaction() };
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if (const Artist::pointer artist{ Artist::find(context.dbSession, artistId) })
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indexNode.addArrayChild("artist", createArtistNode(context, artist));
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}
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}
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||||
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return response;
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||||
}
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||||
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Response handleGetArtistRequest(RequestContext& context)
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||||
{
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// Mandatory params
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||||
ArtistId id{ getMandatoryParameterAs<ArtistId>(context.parameters, "id") };
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||||
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||||
auto transaction{ context.dbSession.createReadTransaction() };
|
||||
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const Artist::pointer artist{ Artist::find(context.dbSession, id) };
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if (!artist)
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throw RequestedDataNotFoundError{};
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||||
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||||
Response response{ Response::createOkResponse(context.serverProtocolVersion) };
|
||||
Response::Node artistNode{ createArtistNode(context, artist) };
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||||
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||||
const auto releases{ Release::find(context.dbSession, Release::FindParameters{}.setArtist(artist->getId())) };
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||||
for (const Release::pointer& release : releases.results)
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artistNode.addArrayChild("album", createAlbumNode(context, release, true /* id3 */));
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||||
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||||
response.addNode("artist", std::move(artistNode));
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||||
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return response;
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||||
}
|
||||
|
||||
Response handleGetAlbumRequest(RequestContext& context)
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||||
{
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||||
// Mandatory params
|
||||
ReleaseId id{ getMandatoryParameterAs<ReleaseId>(context.parameters, "id") };
|
||||
|
||||
auto transaction{ context.dbSession.createReadTransaction() };
|
||||
|
||||
Release::pointer release{ Release::find(context.dbSession, id) };
|
||||
if (!release)
|
||||
throw RequestedDataNotFoundError{};
|
||||
|
||||
Response response{ Response::createOkResponse(context.serverProtocolVersion) };
|
||||
Response::Node albumNode{ createAlbumNode(context, release, true /* id3 */) };
|
||||
|
||||
const auto tracks{ Track::find(context.dbSession, Track::FindParameters{}.setRelease(id).setSortMethod(TrackSortMethod::Release)) };
|
||||
for (const Track::pointer& track : tracks.results)
|
||||
albumNode.addArrayChild("song", createSongNode(context, track, true /* id3 */));
|
||||
|
||||
response.addNode("album", std::move(albumNode));
|
||||
|
||||
return response;
|
||||
}
|
||||
|
||||
Response handleGetSongRequest(RequestContext& context)
|
||||
{
|
||||
// Mandatory params
|
||||
TrackId id{ getMandatoryParameterAs<TrackId>(context.parameters, "id") };
|
||||
|
||||
auto transaction{ context.dbSession.createReadTransaction() };
|
||||
|
||||
const Track::pointer track{ Track::find(context.dbSession, id) };
|
||||
if (!track)
|
||||
throw RequestedDataNotFoundError{};
|
||||
|
||||
Response response{ Response::createOkResponse(context.serverProtocolVersion) };
|
||||
response.addNode("song", createSongNode(context, track, context.user));
|
||||
|
||||
return response;
|
||||
}
|
||||
|
||||
Response handleGetArtistInfo2Request(RequestContext& context)
|
||||
{
|
||||
// Mandatory params
|
||||
ArtistId id{ getMandatoryParameterAs<ArtistId>(context.parameters, "id") };
|
||||
|
||||
// Optional params
|
||||
std::size_t count{ getParameterAs<std::size_t>(context.parameters, "count").value_or(20) };
|
||||
|
||||
Response response{ Response::createOkResponse(context.serverProtocolVersion) };
|
||||
Response::Node& artistInfoNode{ response.createNode(Response::Node::Key{ "artistInfo2" }) };
|
||||
|
||||
{
|
||||
auto transaction{ context.dbSession.createReadTransaction() };
|
||||
|
||||
const Artist::pointer artist{ Artist::find(context.dbSession, id) };
|
||||
if (!artist)
|
||||
throw RequestedDataNotFoundError{};
|
||||
|
||||
std::optional<core::UUID> artistMBID{ artist->getMBID() };
|
||||
if (artistMBID)
|
||||
{
|
||||
switch (context.responseFormat)
|
||||
{
|
||||
case ResponseFormat::json:
|
||||
artistInfoNode.setAttribute("musicBrainzId", artistMBID->getAsString());
|
||||
break;
|
||||
case ResponseFormat::xml:
|
||||
artistInfoNode.createChild("musicBrainzId").setValue(artistMBID->getAsString());
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
auto similarArtistsId{ core::Service<recommendation::IRecommendationService>::get()->getSimilarArtists(id, { TrackArtistLinkType::Artist, TrackArtistLinkType::ReleaseArtist }, count) };
|
||||
|
||||
{
|
||||
auto transaction{ context.dbSession.createReadTransaction() };
|
||||
|
||||
for (const ArtistId similarArtistId : similarArtistsId)
|
||||
{
|
||||
const Artist::pointer similarArtist{ Artist::find(context.dbSession, similarArtistId) };
|
||||
if (similarArtist)
|
||||
artistInfoNode.addArrayChild("similarArtist", createArtistNode(context, similarArtist));
|
||||
}
|
||||
}
|
||||
|
||||
return response;
|
||||
}
|
||||
|
||||
Response handleGetAlbumInfo(RequestContext& context)
|
||||
{
|
||||
const db::DirectoryId directoryId{ getMandatoryParameterAs<db::DirectoryId>(context.parameters, "id") };
|
||||
|
||||
Response response{ Response::createOkResponse(context.serverProtocolVersion) };
|
||||
|
||||
{
|
||||
auto transaction{ context.dbSession.createReadTransaction() };
|
||||
|
||||
if (db::Release::pointer release{ getReleaseFromDirectory(context.dbSession, directoryId) })
|
||||
response.addNode("albumInfo", createAlbumInfoNode(context, release));
|
||||
}
|
||||
return response;
|
||||
}
|
||||
|
||||
Response handleGetAlbumInfo2(RequestContext& context)
|
||||
{
|
||||
const db::ReleaseId releaseId{ getMandatoryParameterAs<db::ReleaseId>(context.parameters, "id") };
|
||||
|
||||
Response response{ Response::createOkResponse(context.serverProtocolVersion) };
|
||||
|
||||
{
|
||||
auto transaction{ context.dbSession.createReadTransaction() };
|
||||
|
||||
if (db::Release::pointer release{ db::Release::find(context.dbSession, releaseId) })
|
||||
response.addNode("albumInfo", createAlbumInfoNode(context, release));
|
||||
}
|
||||
|
||||
return response;
|
||||
}
|
||||
|
||||
Response handleGetSimilarSongsRequest(RequestContext& context)
|
||||
{
|
||||
return handleGetSimilarSongsRequestCommon(context, false /* no id3 */);
|
||||
}
|
||||
|
||||
Response handleGetSimilarSongs2Request(RequestContext& context)
|
||||
{
|
||||
return handleGetSimilarSongsRequestCommon(context, true /* id3 */);
|
||||
}
|
||||
|
||||
Response handleGetTopSongs(RequestContext& context)
|
||||
{
|
||||
// Mandatory params
|
||||
std::string_view artistName{ getMandatoryParameterAs<std::string_view>(context.parameters, "artist") };
|
||||
std::size_t count{ getParameterAs<std::size_t>(context.parameters, "count").value_or(50) };
|
||||
if (count > defaultMaxCountSize)
|
||||
throw ParameterValueTooHighGenericError{ "count", defaultMaxCountSize };
|
||||
|
||||
auto transaction{ context.dbSession.createReadTransaction() };
|
||||
|
||||
Response response{ Response::createOkResponse(context.serverProtocolVersion) };
|
||||
Response::Node& topSongs{ response.createNode("topSongs") };
|
||||
|
||||
const auto artists{ Artist::find(context.dbSession, artistName) };
|
||||
if (artists.size() == 1)
|
||||
{
|
||||
scrobbling::IScrobblingService::FindParameters params;
|
||||
params.setUser(context.user->getId());
|
||||
params.setRange(db::Range{ 0, count });
|
||||
params.setArtist(artists.front()->getId());
|
||||
|
||||
const auto trackIds{ core::Service<scrobbling::IScrobblingService>::get()->getTopTracks(params) };
|
||||
for (const TrackId trackId : trackIds.results)
|
||||
{
|
||||
if (Track::pointer track{ Track::find(context.dbSession, trackId) })
|
||||
topSongs.addArrayChild("song", createSongNode(context, track, context.user));
|
||||
}
|
||||
}
|
||||
|
||||
return response;
|
||||
}
|
||||
} // namespace lms::api::subsonic
|
||||
Reference in New Issue
Block a user