Cache user data in subsonic request (to simplify endpoints)

src/libs/services/auth/include/services/auth/IPasswordService.hpp

@@ -37,7 +37,6 @@ namespace lms::db
 
 namespace lms::auth
 {
-
 	class IAuthTokenService;
 
 	class IPasswordService

src/libs/subsonic/impl/RequestContext.hpp

@@ -23,13 +23,14 @@
 
 #include <Wt/Http/Request.h>
 
-#include "database/UserId.hpp"
+#include "database/Object.hpp"
 #include "ClientInfo.hpp"
 #include "ProtocolVersion.hpp"
 
 namespace lms::db
 {
     class Session;
+    class User;
 }
 
 namespace lms::api::subsonic
@@ -38,7 +39,7 @@ namespace lms::api::subsonic
     {
         const Wt::Http::ParameterMap& parameters;
         db::Session& dbSession;
-        db::UserId userId;
+        const db::ObjectPtr<db::User> user;
         ClientInfo clientInfo;
         ProtocolVersion serverProtocolVersion;
         bool enableOpenSubsonic{ true };

src/libs/subsonic/impl/SubsonicResource.cpp

@@ -135,13 +135,7 @@ namespace lms::api::subsonic
 
         void checkUserTypeIsAllowed(RequestContext& context, core::EnumSet<db::UserType> allowedUserTypes)
         {
-            auto transaction{ context.dbSession.createReadTransaction() };
+            if (!allowedUserTypes.contains(context.user->getType()))
-
-            db::User::pointer currentUser{ db::User::find(context.dbSession, context.userId) };
-            if (!currentUser)
-                throw RequestedDataNotFoundError{};
-
-            if (!allowedUserTypes.contains(currentUser->getType()))
                 throw UserNotAuthorizedError{};
         }
 
@@ -421,7 +415,17 @@ namespace lms::api::subsonic
         bool enableOpenSubsonic{ _openSubsonicDisabledClients.find(clientInfo.name) == std::cend(_openSubsonicDisabledClients) };
         bool enableDefaultCover{ _defaultCoverClients.find(clientInfo.name) != std::cend(_openSubsonicDisabledClients) };
 
-        return { parameters, _db.getTLSSession(), userId, clientInfo, getServerProtocolVersion(clientInfo.name), enableOpenSubsonic, enableDefaultCover };
+        db::User::pointer user;
+        {
+            db::Session& session{ _db.getTLSSession() };
+            auto transaction{ session.createReadTransaction() };
+
+            user = db::User::find(session, userId);
+            if (!user)
+                throw UserNotAuthorizedError{};
+        }
+
+        return { parameters, _db.getTLSSession(), user, clientInfo, getServerProtocolVersion(clientInfo.name), enableOpenSubsonic, enableDefaultCover };
     }
 
     db::UserId SubsonicResource::authenticateUser(const Wt::Http::Request& request, const ClientInfo& clientInfo)

src/libs/subsonic/impl/SubsonicResource.hpp

@@ -26,6 +26,7 @@
 #include <Wt/Http/Response.h>
 
 #include "database/Types.hpp"
+#include "database/UserId.hpp"
 #include "ClientInfo.hpp"
 #include "RequestContext.hpp"
 

src/libs/subsonic/impl/entrypoints/AlbumSongLists.cpp

@@ -60,10 +60,6 @@ namespace lms::api::subsonic
 
             auto transaction{ context.dbSession.createReadTransaction() };
 
-            User::pointer user{ User::find(context.dbSession, context.userId) };
-            if (!user)
-                throw UserNotAuthorizedError{};
-
             if (type == "alphabeticalByName")
             {
                 Release::FindParameters params;
@@ -117,7 +113,7 @@ namespace lms::api::subsonic
             else if (type == "frequent")
             {
                 scrobbling::IScrobblingService::FindParameters params;
-                params.setUser(context.userId);
+                params.setUser(context.user->getId());
                 params.setRange(range);
                 params.setMediaLibrary(mediaLibraryId);
 
@@ -146,7 +142,7 @@ namespace lms::api::subsonic
             else if (type == "recent")
             {
                 scrobbling::IScrobblingService::FindParameters params;
-                params.setUser(context.userId);
+                params.setUser(context.user->getId());
                 params.setRange(range);
                 params.setMediaLibrary(mediaLibraryId);
 
@@ -155,7 +151,7 @@ namespace lms::api::subsonic
             else if (type == "starred")
             {
                 feedback::IFeedbackService::FindParameters params;
-                params.setUser(context.userId);
+                params.setUser(context.user->getId());
                 params.setRange(range);
                 params.setMediaLibrary(mediaLibraryId);
 
@@ -172,7 +168,7 @@ namespace lms::api::subsonic
             for (const ReleaseId releaseId : releases.results)
             {
                 const Release::pointer release{ Release::find(context.dbSession, releaseId) };
-                albumListNode.addArrayChild("album", createAlbumNode(context, release, user, id3));
+                albumListNode.addArrayChild("album", createAlbumNode(context, release, context.user, id3));
             }
 
             return response;
@@ -185,10 +181,6 @@ namespace lms::api::subsonic
 
             auto transaction{ context.dbSession.createReadTransaction() };
 
-            User::pointer user{ User::find(context.dbSession, context.userId) };
-            if (!user)
-                throw UserNotAuthorizedError{};
-
             Response response{ Response::createOkResponse(context.serverProtocolVersion) };
             Response::Node& starredNode{ response.createNode(id3 ? Response::Node::Key{ "starred2" } : Response::Node::Key{ "starred" }) };
 
@@ -196,29 +188,29 @@ namespace lms::api::subsonic
 
             {
                 feedback::IFeedbackService::ArtistFindParameters artistFindParams;
-                artistFindParams.setUser(context.userId);
+                artistFindParams.setUser(context.user->getId());
                 artistFindParams.setSortMethod(ArtistSortMethod::SortName);
                 for (const ArtistId artistId : feedbackService.findStarredArtists(artistFindParams).results)
                 {
                     if (auto artist{ Artist::find(context.dbSession, artistId) })
-                        starredNode.addArrayChild("artist", createArtistNode(context, artist, user, id3));
+                        starredNode.addArrayChild("artist", createArtistNode(context, artist, context.user, id3));
                 }
             }
 
             feedback::IFeedbackService::FindParameters findParameters;
-            findParameters.setUser(context.userId);
+            findParameters.setUser(context.user->getId());
             findParameters.setMediaLibrary(mediaLibrary);
 
             for (const ReleaseId releaseId : feedbackService.findStarredReleases(findParameters).results)
             {
                 if (auto release{ Release::find(context.dbSession, releaseId) })
-                    starredNode.addArrayChild("album", createAlbumNode(context, release, user, id3));
+                    starredNode.addArrayChild("album", createAlbumNode(context, release, context.user, id3));
             }
 
             for (const TrackId trackId : feedbackService.findStarredTracks(findParameters).results)
             {
                 if (auto track{ Track::find(context.dbSession, trackId) })
-                    starredNode.addArrayChild("song", createSongNode(context, track, user));
+                    starredNode.addArrayChild("song", createSongNode(context, track, context.user));
             }
 
             return response;
@@ -243,15 +235,11 @@ namespace lms::api::subsonic
         if (size > defaultMaxCountSize)
             throw ParameterValueTooHighGenericError{ "size", defaultMaxCountSize };
 
-        auto transaction{ context.dbSession.createReadTransaction() };
-
-        User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         Response response{ Response::createOkResponse(context.serverProtocolVersion) };
         Response::Node& randomSongsNode{ response.createNode("randomSongs") };
 
+        auto transaction{ context.dbSession.createReadTransaction() };
+
         Track::FindParameters params;
         params.setSortMethod(TrackSortMethod::Random);
         params.setRange(Range{ 0, size });
@@ -259,7 +247,7 @@ namespace lms::api::subsonic
 
         Track::find(context.dbSession, params, [&](const Track::pointer& track)
             {
-                randomSongsNode.addArrayChild("song", createSongNode(context, track, user));
+                randomSongsNode.addArrayChild("song", createSongNode(context, track, context.user));
             });
 
         return response;
@@ -288,10 +276,6 @@ namespace lms::api::subsonic
         if (!cluster)
             throw RequestedDataNotFoundError{};
 
-        User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         Response response{ Response::createOkResponse(context.serverProtocolVersion) };
         Response::Node& songsByGenreNode{ response.createNode("songsByGenre") };
 
@@ -302,7 +286,7 @@ namespace lms::api::subsonic
 
         Track::find(context.dbSession, params, [&](const Track::pointer& track)
             {
-                songsByGenreNode.addArrayChild("song", createSongNode(context, track, user));
+                songsByGenreNode.addArrayChild("song", createSongNode(context, track, context.user));
             });
 
         return response;

src/libs/subsonic/impl/entrypoints/Bookmarks.cpp

@@ -36,11 +36,7 @@ namespace lms::api::subsonic
     {
         auto transaction{ context.dbSession.createReadTransaction() };
 
-        User::pointer user{ User::find(context.dbSession, context.userId) };
+        const auto bookmarkIds{ TrackBookmark::find(context.dbSession, context.user->getId()) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
-        const auto bookmarkIds{ TrackBookmark::find(context.dbSession, user->getId()) };
 
         Response response{ Response::createOkResponse(context.serverProtocolVersion) };
         Response::Node& bookmarksNode{ response.createNode("bookmarks") };
@@ -49,7 +45,7 @@ namespace lms::api::subsonic
         {
             const TrackBookmark::pointer bookmark{ TrackBookmark::find(context.dbSession, bookmarkId) };
             Response::Node bookmarkNode{ createBookmarkNode(bookmark) };
-            bookmarkNode.addChild("entry", createSongNode(context, bookmark->getTrack(), user));
+            bookmarkNode.addChild("entry", createSongNode(context, bookmark->getTrack(), context.user));
             bookmarksNode.addArrayChild("bookmark", std::move(bookmarkNode));
         }
 
@@ -65,18 +61,14 @@ namespace lms::api::subsonic
 
         auto transaction{ context.dbSession.createWriteTransaction() };
 
-        const User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         const Track::pointer track{ Track::find(context.dbSession, trackId) };
         if (!track)
             throw RequestedDataNotFoundError{};
 
         // Replace any existing bookmark
-        auto bookmark{ TrackBookmark::find(context.dbSession, user->getId(), trackId) };
+        auto bookmark{ TrackBookmark::find(context.dbSession, context.user->getId(), trackId) };
         if (!bookmark)
-            bookmark = context.dbSession.create<TrackBookmark>(user, track);
+            bookmark = context.dbSession.create<TrackBookmark>(context.user, track);
 
         bookmark.modify()->setOffset(std::chrono::milliseconds{ position });
         if (comment)
@@ -92,7 +84,7 @@ namespace lms::api::subsonic
 
         auto transaction{ context.dbSession.createWriteTransaction() };
 
-        auto bookmark{ TrackBookmark::find(context.dbSession, context.userId, trackId) };
+        auto bookmark{ TrackBookmark::find(context.dbSession, context.user->getId(), trackId) };
         if (!bookmark)
             throw RequestedDataNotFoundError{};
 

src/libs/subsonic/impl/entrypoints/Browsing.cpp

@@ -75,15 +75,11 @@ namespace lms::api::subsonic
             {
                 auto transaction{ context.dbSession.createReadTransaction() };
 
-                User::pointer user{ User::find(context.dbSession, context.userId) };
-                if (!user)
-                    throw UserNotAuthorizedError{};
-
                 for (const ArtistId similarArtistId : similarArtistsId)
                 {
                     const Artist::pointer similarArtist{ Artist::find(context.dbSession, similarArtistId) };
                     if (similarArtist)
-                        artistInfoNode.addArrayChild("similarArtist", createArtistNode(context, similarArtist, user, id3));
+                        artistInfoNode.addArrayChild("similarArtist", createArtistNode(context, similarArtist, context.user, id3));
                 }
             }
 
@@ -105,12 +101,8 @@ namespace lms::api::subsonic
             {
                 auto transaction{ context.dbSession.createReadTransaction() };
 
-                User::pointer user{ User::find(context.dbSession, context.userId) };
-                if (!user)
-                    throw UserNotAuthorizedError{};
-
                 parameters.setSortMethod(ArtistSortMethod::SortName);
-                switch (user->getSubsonicArtistListMode())
+                switch (context.user->getSubsonicArtistListMode())
                 {
                 case SubsonicArtistListMode::AllArtists:
                     break;
@@ -165,12 +157,9 @@ namespace lms::api::subsonic
                 for (const ArtistId artistId : artistIds)
                 {
                     auto transaction{ context.dbSession.createReadTransaction() };
-                    User::pointer user{ User::find(context.dbSession, context.userId) };
-                    if (!user)
-                        throw UserNotAuthorizedError{};
 
                     if (const Artist::pointer artist{ Artist::find(context.dbSession, artistId) })
-                        indexNode.addArrayChild("artist", createArtistNode(context, artist, user, id3));
+                        indexNode.addArrayChild("artist", createArtistNode(context, artist, context.user, id3));
                 }
             }
 
@@ -265,16 +254,12 @@ namespace lms::api::subsonic
 
             auto transaction{ context.dbSession.createReadTransaction() };
 
-            User::pointer user{ User::find(context.dbSession, context.userId) };
-            if (!user)
-                throw UserNotAuthorizedError{};
-
             Response response{ Response::createOkResponse(context.serverProtocolVersion) };
             Response::Node& similarSongsNode{ response.createNode(id3 ? Response::Node::Key{ "similarSongs2" } : Response::Node::Key{ "similarSongs" }) };
             for (const TrackId trackId : tracks)
             {
                 const Track::pointer track{ Track::find(context.dbSession, trackId) };
-                similarSongsNode.addArrayChild("song", createSongNode(context, track, user));
+                similarSongsNode.addArrayChild("song", createSongNode(context, track, context.user));
             }
 
             return response;
@@ -319,10 +304,6 @@ namespace lms::api::subsonic
 
         auto transaction{ context.dbSession.createReadTransaction() };
 
-        User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         if (root)
         {
             directoryNode.setAttribute("id", idToString(RootId{}));
@@ -331,7 +312,7 @@ namespace lms::api::subsonic
             // TODO: this does not scale when a lot of artists are present
             Artist::find(context.dbSession, Artist::FindParameters{}.setSortMethod(ArtistSortMethod::SortName), [&](const Artist::pointer& artist)
                 {
-                    directoryNode.addArrayChild("child", createArtistNode(context, artist, user, false /* no id3 */));
+                    directoryNode.addArrayChild("child", createArtistNode(context, artist, context.user, false /* no id3 */));
                 });
         }
         else if (artistId)
@@ -346,7 +327,7 @@ namespace lms::api::subsonic
 
             Release::find(context.dbSession, Release::FindParameters{}.setArtist(*artistId), [&](const Release::pointer& release)
                 {
-                    directoryNode.addArrayChild("child", createAlbumNode(context, release, user, false /* no id3 */));
+                    directoryNode.addArrayChild("child", createAlbumNode(context, release, context.user, false /* no id3 */));
                 });
         }
         else if (releaseId)
@@ -361,7 +342,7 @@ namespace lms::api::subsonic
 
             Track::find(context.dbSession, Track::FindParameters{}.setRelease(*releaseId).setSortMethod(TrackSortMethod::Release), [&](const Track::pointer& track)
                 {
-                    directoryNode.addArrayChild("child", createSongNode(context, track, user));
+                    directoryNode.addArrayChild("child", createSongNode(context, track, context.user));
                 });
         }
         else
@@ -406,16 +387,12 @@ namespace lms::api::subsonic
         if (!artist)
             throw RequestedDataNotFoundError{};
 
-        User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         Response response{ Response::createOkResponse(context.serverProtocolVersion) };
-        Response::Node artistNode{ createArtistNode(context, artist, user, true /* id3 */) };
+        Response::Node artistNode{ createArtistNode(context, artist, context.user, true /* id3 */) };
 
         const auto releases{ Release::find(context.dbSession, Release::FindParameters {}.setArtist(artist->getId())) };
         for (const Release::pointer& release : releases.results)
-            artistNode.addArrayChild("album", createAlbumNode(context, release, user, true /* id3 */));
+            artistNode.addArrayChild("album", createAlbumNode(context, release, context.user, true /* id3 */));
 
         response.addNode("artist", std::move(artistNode));
 
@@ -433,16 +410,12 @@ namespace lms::api::subsonic
         if (!release)
             throw RequestedDataNotFoundError{};
 
-        User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         Response response{ Response::createOkResponse(context.serverProtocolVersion) };
-        Response::Node albumNode{ createAlbumNode(context, release, user, true /* id3 */) };
+        Response::Node albumNode{ createAlbumNode(context, release, context.user, 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, user));
+            albumNode.addArrayChild("song", createSongNode(context, track, context.user));
 
         response.addNode("album", std::move(albumNode));
 
@@ -460,12 +433,8 @@ namespace lms::api::subsonic
         if (!track)
             throw RequestedDataNotFoundError{};
 
-        User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         Response response{ Response::createOkResponse(context.serverProtocolVersion) };
-        response.addNode("song", createSongNode(context, track, user));
+        response.addNode("song", createSongNode(context, track, context.user));
 
         return response;
     }
@@ -504,15 +473,11 @@ namespace lms::api::subsonic
         if (artists.size() != 1)
             throw RequestedDataNotFoundError{};
 
-        User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         Response response{ Response::createOkResponse(context.serverProtocolVersion) };
         Response::Node& topSongs{ response.createNode("topSongs") };
 
         scrobbling::IScrobblingService::FindParameters params;
-        params.setUser(context.userId);
+        params.setUser(context.user->getId());
         params.setRange(db::Range{ 0, count });
         params.setArtist(artists.front()->getId());
 
@@ -520,7 +485,7 @@ namespace lms::api::subsonic
         for (const TrackId trackId : trackIds.results)
         {
             if (Track::pointer track{ Track::find(context.dbSession, trackId) })
-                topSongs.addArrayChild("song", createSongNode(context, track, user));
+                topSongs.addArrayChild("song", createSongNode(context, track, context.user));
         }
 
         return response;

src/libs/subsonic/impl/entrypoints/MediaAnnotation.cpp

@@ -24,6 +24,7 @@
 #include "database/ArtistId.hpp"
 #include "database/ReleaseId.hpp"
 #include "database/TrackId.hpp"
+#include "database/User.hpp"
 #include "services/feedback/IFeedbackService.hpp"
 #include "services/scrobbling/IScrobblingService.hpp"
 #include "core/Service.hpp"
@@ -61,13 +62,13 @@ namespace lms::api::subsonic
         StarParameters params{ getStarParameters(context.parameters) };
 
         for (const ArtistId id : params.artistIds)
-            core::Service<feedback::IFeedbackService>::get()->star(context.userId, id);
+            core::Service<feedback::IFeedbackService>::get()->star(context.user->getId(), id);
 
         for (const ReleaseId id : params.releaseIds)
-            core::Service<feedback::IFeedbackService>::get()->star(context.userId, id);
+            core::Service<feedback::IFeedbackService>::get()->star(context.user->getId(), id);
 
         for (const TrackId id : params.trackIds)
-            core::Service<feedback::IFeedbackService>::get()->star(context.userId, id);
+            core::Service<feedback::IFeedbackService>::get()->star(context.user->getId(), id);
 
         return Response::createOkResponse(context.serverProtocolVersion);
     }
@@ -77,13 +78,13 @@ namespace lms::api::subsonic
         StarParameters params{ getStarParameters(context.parameters) };
 
         for (const ArtistId id : params.artistIds)
-            core::Service<feedback::IFeedbackService>::get()->unstar(context.userId, id);
+            core::Service<feedback::IFeedbackService>::get()->unstar(context.user->getId(), id);
 
         for (const ReleaseId id : params.releaseIds)
-            core::Service<feedback::IFeedbackService>::get()->unstar(context.userId, id);
+            core::Service<feedback::IFeedbackService>::get()->unstar(context.user->getId(), id);
 
         for (const TrackId id : params.trackIds)
-            core::Service<feedback::IFeedbackService>::get()->unstar(context.userId, id);
+            core::Service<feedback::IFeedbackService>::get()->unstar(context.user->getId(), id);
 
         return Response::createOkResponse(context.serverProtocolVersion);
     }
@@ -104,13 +105,13 @@ namespace lms::api::subsonic
 
         if (!submission)
         {
-            core::Service<scrobbling::IScrobblingService>::get()->listenStarted({ context.userId, ids.front() });
+            core::Service<scrobbling::IScrobblingService>::get()->listenStarted({ context.user->getId(), ids.front() });
         }
         else
         {
             if (times.empty())
             {
-                core::Service<scrobbling::IScrobblingService>::get()->listenFinished({ context.userId, ids.front() });
+                core::Service<scrobbling::IScrobblingService>::get()->listenFinished({ context.user->getId(), ids.front() });
             }
             else
             {
@@ -118,7 +119,7 @@ namespace lms::api::subsonic
                 {
                     const TrackId trackId{ ids[i] };
                     const unsigned long time{ times[i] };
-                    core::Service<scrobbling::IScrobblingService>::get()->addTimedListen({ {context.userId, trackId}, Wt::WDateTime::fromTime_t(static_cast<std::time_t>(time / 1000)) });
+                    core::Service<scrobbling::IScrobblingService>::get()->addTimedListen({ {context.user->getId(), trackId}, Wt::WDateTime::fromTime_t(static_cast<std::time_t>(time / 1000)) });
                 }
             }
         }

src/libs/subsonic/impl/entrypoints/MediaRetrieval.cpp

@@ -129,10 +129,6 @@ namespace lms::api::subsonic
 
             auto transaction{ context.dbSession.createReadTransaction() };
 
-            const User::pointer user{ User::find(context.dbSession, context.userId) };
-            if (!user)
-                throw UserNotAuthorizedError{};
-
             const auto track{ Track::find(context.dbSession, id) };
             if (!track)
                 throw RequestedDataNotFoundError{};
@@ -147,8 +143,8 @@ namespace lms::api::subsonic
             std::optional<av::transcoding::OutputFormat> requestedFormat{ subsonicStreamFormatToAvOutputFormat(format) };
             if (!requestedFormat)
             {
-                if (user->getSubsonicEnableTranscodingByDefault())
+                if (context.user->getSubsonicEnableTranscodingByDefault())
-                    requestedFormat = userTranscodeFormatToAvFormat(user->getSubsonicDefaultTranscodingOutputFormat());
+                    requestedFormat = userTranscodeFormatToAvFormat(context.user->getSubsonicDefaultTranscodingOutputFormat());
             }
 
             if (!requestedFormat && (maxBitRate == 0 || track->getBitrate() <= maxBitRate ))
@@ -172,9 +168,9 @@ namespace lms::api::subsonic
             }
             
             if (!requestedFormat)
-                requestedFormat = userTranscodeFormatToAvFormat(user->getSubsonicDefaultTranscodingOutputFormat());
+                requestedFormat = userTranscodeFormatToAvFormat(context.user->getSubsonicDefaultTranscodingOutputFormat());
             if (!bitrate)
-                bitrate = std::min<std::size_t>(user->getSubsonicDefaultTranscodingOutputBitrate(), maxBitRate);
+                bitrate = std::min<std::size_t>(context.user->getSubsonicDefaultTranscodingOutputBitrate(), maxBitRate);
 
             av::transcoding::OutputParameters& outputParameters{ parameters.outputParameters.emplace() };
 

src/libs/subsonic/impl/entrypoints/Playlists.cpp

@@ -40,7 +40,7 @@ namespace lms::api::subsonic
         Response::Node& playlistsNode{ response.createNode("playlists") };
 
         TrackList::FindParameters params;
-        params.setUser(context.userId);
+        params.setUser(context.user->getId());
         params.setType(TrackListType::Playlist);
 
         auto tracklistIds{ TrackList::find(context.dbSession, params) };
@@ -60,10 +60,6 @@ namespace lms::api::subsonic
 
         auto transaction{ context.dbSession.createReadTransaction() };
 
-        User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         TrackList::pointer tracklist{ TrackList::find(context.dbSession, trackListId) };
         if (!tracklist)
             throw RequestedDataNotFoundError{};
@@ -73,7 +69,7 @@ namespace lms::api::subsonic
 
         auto entries{ tracklist->getEntries() };
         for (const TrackListEntry::pointer& entry : entries.results)
-            playlistNode.addArrayChild("entry", createSongNode(context, entry->getTrack(), user));
+            playlistNode.addArrayChild("entry", createSongNode(context, entry->getTrack(), context.user));
 
         response.addNode("playlist", std::move(playlistNode));
 
@@ -93,16 +89,12 @@ namespace lms::api::subsonic
 
         auto transaction{ context.dbSession.createWriteTransaction() };
 
-        User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         TrackList::pointer tracklist;
         if (id)
         {
             tracklist = TrackList::find(context.dbSession, *id);
             if (!tracklist
-                || tracklist->getUser() != user
+                || tracklist->getUser() != context.user
                 || tracklist->getType() != TrackListType::Playlist)
             {
                 throw RequestedDataNotFoundError{};
@@ -113,7 +105,7 @@ namespace lms::api::subsonic
         }
         else
         {
-            tracklist = context.dbSession.create<TrackList>(*name, TrackListType::Playlist, false, user);
+            tracklist = context.dbSession.create<TrackList>(*name, TrackListType::Playlist, false, context.user);
         }
 
         for (const TrackId trackId : trackIds)
@@ -130,7 +122,7 @@ namespace lms::api::subsonic
 
         auto entries{ tracklist->getEntries() };
         for (const TrackListEntry::pointer& entry : entries.results)
-            playlistNode.addArrayChild("entry", createSongNode(context, entry->getTrack(), user));
+            playlistNode.addArrayChild("entry", createSongNode(context, entry->getTrack(), context.user));
 
         response.addNode("playlist", std::move(playlistNode));
 
@@ -151,13 +143,9 @@ namespace lms::api::subsonic
 
         auto transaction{ context.dbSession.createWriteTransaction() };
 
-        User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         TrackList::pointer tracklist{ TrackList::find(context.dbSession, id) };
         if (!tracklist
-            || tracklist->getUser() != user
+            || tracklist->getUser() != context.user
             || tracklist->getType() != TrackListType::Playlist)
         {
             throw RequestedDataNotFoundError{};
@@ -200,13 +188,9 @@ namespace lms::api::subsonic
 
         auto transaction{ context.dbSession.createWriteTransaction() };
 
-        User::pointer user{ User::find(context.dbSession, context.userId) };
-        if (!user)
-            throw UserNotAuthorizedError{};
-
         TrackList::pointer tracklist{ TrackList::find(context.dbSession, id) };
         if (!tracklist
-            || tracklist->getUser() != user
+            || tracklist->getUser() != context.user
             || tracklist->getType() != TrackListType::Playlist)
         {
             throw RequestedDataNotFoundError{};

src/libs/subsonic/impl/entrypoints/Searching.cpp

@@ -334,13 +334,9 @@ namespace lms::api::subsonic
 
             auto transaction{ context.dbSession.createReadTransaction() };
 
-            User::pointer user{ User::find(context.dbSession, context.userId) };
+            findRequestedArtists(context, id3, keywords, mediaLibrary, context.user, searchResultNode);
-            if (!user)
+            findRequestedAlbums(context, id3, keywords, mediaLibrary, context.user, searchResultNode);
-                throw UserNotAuthorizedError{};
+            findRequestedTracks(context, keywords, mediaLibrary, context.user, searchResultNode);
-
-            findRequestedArtists(context, id3, keywords, mediaLibrary, user, searchResultNode);
-            findRequestedAlbums(context, id3, keywords, mediaLibrary, user, searchResultNode);
-            findRequestedTracks(context, keywords, mediaLibrary, user, searchResultNode);
 
             return response;
         }

src/libs/subsonic/impl/entrypoints/UserManagement.cpp

@@ -15,11 +15,7 @@ namespace lms::api::subsonic
     namespace {
         void checkUserIsMySelfOrAdmin(RequestContext& context, const std::string& username)
         {
-            User::pointer currentUser{ User::find(context.dbSession, context.userId) };
+            if (context.user->getLoginName() != username && !context.user->isAdmin())
-            if (!currentUser)
-                throw RequestedDataNotFoundError{};
-
-            if (currentUser->getLoginName() != username && !currentUser->isAdmin())
                 throw UserNotAuthorizedError{};
         }
     }
@@ -44,17 +40,14 @@ namespace lms::api::subsonic
 
     Response handleGetUsersRequest(RequestContext& context)
     {
-        auto transaction{ context.dbSession.createReadTransaction() };
-
         Response response{ Response::createOkResponse(context.serverProtocolVersion) };
         Response::Node& usersNode{ response.createNode("users") };
 
-        const auto userIds{ User::find(context.dbSession, User::FindParameters {}) };
+        auto transaction{ context.dbSession.createReadTransaction() };
-        for (const UserId userId : userIds.results)
+        User::find(context.dbSession, User::FindParameters{}, [&](const User::pointer& user)
             {
-            const User::pointer user{ User::find(context.dbSession, userId) };
                 usersNode.addArrayChild("user", createUserNode(user));
-        }
+            });
 
         return response;
     }
@@ -77,7 +70,7 @@ namespace lms::api::subsonic
             userId = user->getId();
         }
 
-        auto removeCreatedUser{ [&]()
+        auto removeCreatedUser{ [&]
             {
                 auto transaction {context.dbSession.createWriteTransaction()};
                 User::pointer user{ User::find(context.dbSession, userId) };
@@ -119,7 +112,7 @@ namespace lms::api::subsonic
             throw RequestedDataNotFoundError{};
 
         // cannot delete ourself
-        if (user->getId() == context.userId)
+        if (user->getId() == context.user->getId())
             throw UserNotAuthorizedError{};
 
         user.remove();