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Arbitrateor/src/GroovePlayer.cpp

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/*
* Copyright (C) 2017 Kevin Whitaker <eyecreate@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include "GroovePlayer.h"
#include "db/UserAction.h"
#include <Wt/WLogger>
#include <Wt/WServer>
#include <Wt/WApplication>
#include "WebInterface.h"
#include <locale>
#include <Wt/WLogger>
#include <Wt/Dbo/Transaction>
#include <Wt/WDateTime>
#include <groovefingerprinter/fingerprinter.h>
#include <grooveplayer/player.h>
#include <taglib/fileref.h>
#include <taglib/mpegfile.h>
#include <taglib/id3v2tag.h>
#include <taglib/attachedpictureframe.h>
GroovePlayerMgr::GroovePlayerMgr (std::string dbFile)
{
sqliteConnection = new Wt::Dbo::backend::Sqlite3(dbFile);
connectionPool = new Wt::Dbo::FixedSqlConnectionPool(sqliteConnection, 3);
musicScanDir = std::filesystem::current_path()/"music";
Wt::Dbo::Session sqlSession;
sqlSession.setConnectionPool(*connectionPool);
sqlSession.mapClass<User>("user");
sqlSession.mapClass<AudioTrack>("tracks");
sqlSession.mapClass<UserAction>("actions");
try
{
sqlSession.createTables();
} catch(Wt::Dbo::Exception e)
{
Wt::log("info") << "Using Existing DB.";
}
groove_init();
grooveAudioScanner = new std::thread([this](){grooveAudioScannerLoop();});
grooveEvents = new std::thread([this](){grooveEventLoop();});
}
GroovePlayerMgr::~GroovePlayerMgr()
{
delete connectionPool;
}
std::list<AudioTrack> GroovePlayerMgr::getNextVoteBatch(Wt::Dbo::Session* session)
{
/**
* This method will attempt to pick 3 tracks that will be up for selection next.
*
* The first track should be from the same album or artist.
* The second track should be from the same genre.
* The third track should be from something in a different genre.
*
* What is picked inside those requirements is a mix of random and TODO:based on past user actions(33% of time).
*
* The third track will be replaced by a recent request item if one exists.
*/
std::list<AudioTrack> selectedTracks;
Wt::Dbo::Transaction transaction(*session);
//First make sure there are at least 3 tracks to suggest.
int trackCount = session->query<int>("select count(fingerprint) from tracks");
if(trackCount < 3)
{
//Return empty list to show there are not enough tracks to allow voting.
return selectedTracks;
}
//Determine first track
int trackAlbumCount = session->query<int>("select count(fingerprint) from tracks").where("album = ?").bind(currentTrack.trackAlbumName);
int trackArtistCount = session->query<int>("select count(fingerprint) from tracks").where("artist = ?").bind(currentTrack.trackArtistName);
int computerSlightOfHand = rand() % 10 + 1;
if(trackAlbumCount > 0 && ((computerSlightOfHand > 3 && trackAlbumCount > 1) || (computerSlightOfHand > 3 && trackAlbumCount == 1 && trackArtistCount == 1) || !(trackArtistCount > 1 && trackAlbumCount == 1)))
{
//Pick item from album
Wt::Dbo::ptr<AudioTrack> eligibleTrack = session->find<AudioTrack>().where("album = ?").limit(1).offset(rand() % trackAlbumCount).bind(currentTrack.trackAlbumName);
//Try to make sure the same track isn't up to vote again.
if((*eligibleTrack).trackFingerprint == currentTrack.trackFingerprint && trackAlbumCount > 1)
{
while((*eligibleTrack).trackFingerprint == currentTrack.trackFingerprint)
{
eligibleTrack = session->find<AudioTrack>().where("album = ?").limit(1).offset(rand() % trackAlbumCount).bind(currentTrack.trackAlbumName);
}
}
AudioTrack selected = *eligibleTrack;
getPictureFromTrack(&selected);
selectedTracks.push_back(selected);
}
else
{
//Pick item from artist
Wt::Dbo::ptr<AudioTrack> eligibleTrack = session->find<AudioTrack>().where("artist = ?").limit(1).offset(rand() % trackArtistCount).bind(currentTrack.trackArtistName);
//Try to make sure the same track isn't up to vote again.
if((*eligibleTrack).trackFingerprint == currentTrack.trackFingerprint && trackArtistCount > 1)
{
while((*eligibleTrack).trackFingerprint == currentTrack.trackFingerprint)
{
eligibleTrack = session->find<AudioTrack>().where("artist = ?").limit(1).offset(rand() % trackArtistCount).bind(currentTrack.trackArtistName);
}
}
AudioTrack selected = *eligibleTrack;
getPictureFromTrack(&selected);
selectedTracks.push_back(selected);
}
//Determine second track
int trackGenreCount = session->query<int>("select count(fingerprint) from tracks").where("genre = ?").bind(currentTrack.trackGenre);
if(trackGenreCount > 0)
{
//Pick item from genre
Wt::Dbo::ptr<AudioTrack> eligibleTrack = session->find<AudioTrack>().where("genre = ?").limit(1).offset(rand() % trackGenreCount).bind(currentTrack.trackGenre);
//Try to make sure same track isn't up to vote again and isn't the same as first votable track.
if(((*eligibleTrack).trackFingerprint == currentTrack.trackFingerprint || (*eligibleTrack).trackFingerprint == selectedTracks.front().trackFingerprint) && trackGenreCount > 2)
{
while((*eligibleTrack).trackFingerprint == currentTrack.trackFingerprint || (*eligibleTrack).trackFingerprint == selectedTracks.front().trackFingerprint)
{
eligibleTrack = session->find<AudioTrack>().where("genre = ?").limit(1).offset(rand() % trackGenreCount).bind(currentTrack.trackGenre);
}
}
AudioTrack selected = *eligibleTrack;
getPictureFromTrack(&selected);
selectedTracks.push_back(selected);
}
//Determine third track
int trackNotGenreCount = session->query<int>("select count(fingerprint) from tracks").where("genre != ?").bind(currentTrack.trackGenre);
if(requestQueue.size() > 0)
{
//There's a request. Pick one up front and put as third item.
AudioTrack selected = requestQueue.front();
getPictureFromTrack(&selected);
selectedTracks.push_back(selected);
}
else if(trackNotGenreCount > 0)
{
//Pick from other genre
Wt::Dbo::ptr<AudioTrack> eligibleTrack = session->find<AudioTrack>().where("genre != ?").limit(1).offset(rand() % trackNotGenreCount).bind(currentTrack.trackGenre);
AudioTrack selected = *eligibleTrack;
getPictureFromTrack(&selected);
selectedTracks.push_back(selected);
}
else
{
//Pick randomly
Wt::Dbo::ptr<AudioTrack> eligibleTrack = session->find<AudioTrack>().limit(1).offset(rand() % trackCount);
AudioTrack selected = *eligibleTrack;
getPictureFromTrack(&selected);
selectedTracks.push_back(selected);
}
transaction.commit();
Wt::log("info") << "Next set of tracks to vote picked: 1=>[" << (*selectedTracks.begin()).trackName << "] 2=>[" << (*std::next(selectedTracks.begin(),1)).trackName << "] 3=>[" << (*std::next(selectedTracks.begin(),2)).trackName << "]";
return selectedTracks;
}
void GroovePlayerMgr::grooveEventLoop()
{
/**
* On first boot, random track that has been voted before will start(or random if no track has been played before).
* When voting ends, if no vote was cast, the first will be picked 50% of the time with second being 30% of the time and third being picked 20% of the time.
* Exception is if third track is the top request, then it is picked. If another song is voted over this, it will be put in back of request queue.
*/
Wt::Dbo::Session sqlSession;
sqlSession.setConnectionPool(*connectionPool);
sqlSession.mapClass<User>("user");
sqlSession.mapClass<AudioTrack>("tracks");
sqlSession.mapClass<UserAction>("actions");
Wt::Dbo::Transaction transaction(sqlSession);
int trackCount = sqlSession.query<int>("select count(fingerprint) from tracks");
transaction.commit();
//Wait until at least 3 tracks are in DB to prevent nothing to vote on.
if(trackCount < 3)
{
while(trackCount < 3)
{
Wt::Dbo::Transaction transaction(sqlSession);
trackCount = sqlSession.query<int>("select count(fingerprint) from tracks");
transaction.commit();
std::this_thread::sleep_for(std::chrono::milliseconds(500));
}
}
Wt::Dbo::Transaction bootTransaction(sqlSession);
//Pick initial track to bootstrap.
int tracksPlayedBefore = sqlSession.query<int>("select count(fingerprint) from tracks as t join actions on (actions.action = 3 or actions.action = 2) and actions.track_id = t.id");
AudioTrack selectedTrack;
if (tracksPlayedBefore > 0)
{
selectedTrack = *sqlSession.query<Wt::Dbo::ptr<AudioTrack>>("select t from tracks as t join actions on (actions.action = 3 or actions.action = 2) and actions.track_id = t.id").limit(1).offset(rand() % tracksPlayedBefore).resultValue();
}
else
{
int trackCount = sqlSession.query<int>("select count(fingerprint) from tracks");
selectedTrack = *sqlSession.find<AudioTrack>().limit(1).offset(rand() % trackCount).resultValue();
}
bootTransaction.commit();
struct GroovePlaylist* playlist = groove_playlist_create();
currentPlaylist = playlist;
struct GroovePlayer* player = groove_player_create();
if(!player) {return;}
currentPlayer = player;
groove_playlist_insert(playlist, groove_file_open(selectedTrack.trackPath.c_str()),1.0,1.0,nullptr);
//Now boostrap player with initial data
groove_player_attach(player, playlist);
groove_playlist_play(playlist);
//Now start loop
while(getInstance()->continueEventLoop)
{
std::this_thread::sleep_for(std::chrono::milliseconds(200));
PlayerEvent event = getNextPlayerEvent(&sqlSession);
if(event.eventType == NOTHING)
{
continue;
}
else if(event.eventType == GROOVE_NOWPLAYING)
{
currentSkipRequester.clear();
currentTrack = getCurrentTrackDB(&sqlSession);
getPictureFromTrack(&currentTrack);
//Pick new batch of tracks to vote on and inform UI of update.
currentVoteBatch = getNextVoteBatch(&sqlSession);
currentVoteStatus = std::list<std::pair<AudioTrack, int>>();
for(auto track : currentVoteBatch)
{
currentVoteStatus.push_back(std::pair<AudioTrack, int>(track,0));
}
Wt::WServer::instance()->postAll([&]() {
Wt::WApplication* app = Wt::WApplication::instance();
if(app != nullptr)
{
static_cast<WebInterface*>(app)->songChangedFromServer(currentTrack);
static_cast<WebInterface*>(app)->voteTracksUpdatedFromServer(currentVoteBatch);
}
}
);
Wt::log("info") << "Track playing changed to: " << currentTrack.trackName;
}
else if(event.eventType == VOTING_ENDED)
{
//Look at votes and add correct track to end of playlist.
//If more than one track has highest votes, pick random. TODO:maybe base off of other play data instead.
std::list<std::pair<AudioTrack,int>> trackWinners;
for(auto track : currentVoteStatus)
{
//There nothing yet and there was at least a vote is an initial winner.
if(trackWinners.size() == 0 && track.second > 0)
{
trackWinners.push_back(track);
continue;
}
//If there is a winner. Check if higher. If so, clear the list and add this one. If equal, add to list.
if(trackWinners.size() > 0)
{
if(trackWinners.front().second < track.second)
{
trackWinners.clear();
trackWinners.push_back(std::pair<AudioTrack,int>(track.first, track.second));
}
else if(trackWinners.front().second == track.second)
{
trackWinners.push_back(std::pair<AudioTrack, int>(track.first, track.second));
}
}
}
AudioTrack winner;
//Randomly pick from winners(in case of tie), if there are any.
if(trackWinners.size() > 0)
{
auto iter = trackWinners.begin();
std::advance(iter,rand() % trackWinners.size());
winner = (*iter).first;
//Deal with requests if there are any.
if(requestQueue.size() > 0)
{
//If winning track was a request, now you can remove it from request queue.
if(requestQueue.front().trackFingerprint == winner.trackFingerprint)
{
requestQueue.pop_front();
}
//Request didn't win. Put request at bottom of queue.
else
{
requestQueue.push_back(requestQueue.front());
requestQueue.pop_front();
}
}
}
else
{
//Pick request song if there are any.
if(requestQueue.size() > 0)
{
winner = requestQueue.front();
requestQueue.pop_front();
}
else
{
//Pick based on percentages.
int pick = rand() % 10 +1;
if(pick <= 5 && currentVoteBatch.front().trackFingerprint != currentTrack.trackFingerprint)
{
//First track wins
winner = currentVoteBatch.front();
}
else if(pick <= 8 && (*std::next(currentVoteBatch.begin(),1)).trackFingerprint != currentTrack.trackFingerprint)
{
//Second track wins.
winner = (*std::next(currentVoteBatch.begin(),1));
}
else
{
//Third track wins
winner = (*std::next(currentVoteBatch.begin(),2));
}
}
}
groove_playlist_insert(currentPlaylist,groove_file_open(winner.trackPath.c_str()),1.0,1.0,nullptr);
Wt::WServer::instance()->postAll([winner]() {
Wt::WApplication* app = Wt::WApplication::instance();
if(app != nullptr)
{
static_cast<WebInterface*>(app)->voteNextPollClosedFromServer(winner);
}
}
);
Wt::log("info")<< "Voting has ended. Next track is: " << winner.trackName;
}
else if(event.eventType == VOTE_CAST)
{
if(!voteEndedButNotNextTrackYet)
{
//Add vote to DB
Wt::Dbo::Transaction voteTransaction(sqlSession);
UserAction* action = new UserAction();
action->action = UserAction::UAction::VoteTrack;
action->user = sqlSession.find<User>().where("username = ?").bind(event.userInvolved.username);
action->trackInvolved = sqlSession.find<AudioTrack>().where("fingerprint = ?").bind(event.tracksInvolved.front().trackFingerprint);
action->datetime = Wt::WDateTime::currentDateTime();
sqlSession.add(action);
voteTransaction.commit();
//Add vote to vote status
for(std::pair<AudioTrack, int> voteItem: currentVoteStatus)
{
if(voteItem.first.trackFingerprint == event.tracksInvolved.front().trackFingerprint)
{
++(voteItem.second);
}
}
//Update vote display on all clients.
Wt::WServer::instance()->postAll([event]() {
Wt::WApplication* app = Wt::WApplication::instance();
if(app != nullptr)
{
static_cast<WebInterface*>(app)->voteNextSongFromServer(event.userInvolved, event.tracksInvolved.front());
}
}
);
}
}
else if(event.eventType == PLAYING_PAUSED)
{
//Add action to DB
Wt::Dbo::Transaction pauseTransaction(sqlSession);
UserAction* action = new UserAction();
action->action = UserAction::UAction::PlayPause;
action->user = sqlSession.find<User>().where("username = ?").bind(event.userInvolved.username);
action->trackInvolved = sqlSession.find<AudioTrack>().where("fingerprint = ?").bind(event.tracksInvolved.front().trackFingerprint);
action->datetime = Wt::WDateTime::currentDateTime();
sqlSession.add(action);
pauseTransaction.commit();
groove_playlist_pause(currentPlaylist);
//Update vote display on all clients.
Wt::WServer::instance()->postAll([event]() {
Wt::WApplication* app = Wt::WApplication::instance();
if(app != nullptr)
{
static_cast<WebInterface*>(app)->playPauseActionFromServer(event.userInvolved, true);
}
}
);
}
else if(event.eventType == PLAYING_RESUMED)
{
//Add action to DB
Wt::Dbo::Transaction playTransaction(sqlSession);
UserAction* action = new UserAction();
action->action = UserAction::UAction::PlayPause;
action->user = sqlSession.find<User>().where("username = ?").bind(event.userInvolved.username);
action->trackInvolved = sqlSession.find<AudioTrack>().where("fingerprint = ?").bind(event.tracksInvolved.front().trackFingerprint);
action->datetime = Wt::WDateTime::currentDateTime();
sqlSession.add(action);
playTransaction.commit();
groove_playlist_play(currentPlaylist);
//Update vote display on all clients.
Wt::WServer::instance()->postAll([event]() {
Wt::WApplication* app = Wt::WApplication::instance();
if(app != nullptr)
{
static_cast<WebInterface*>(app)->playPauseActionFromServer(event.userInvolved, false);
}
}
);
}
else if(event.eventType == SKIP_REQUESTED)
{
if(!voteEndedButNotNextTrackYet)
{
currentSkipRequester.push_back(event.userInvolved);
skipRequestedAt = std::chrono::steady_clock::now();
Wt::Dbo::Transaction skipTransaction(sqlSession);
UserAction* action = new UserAction();
action->action = UserAction::UAction::RequestSkip;
action->user = sqlSession.find<User>().where("username = ?").bind(event.userInvolved.username);
action->trackInvolved = sqlSession.find<AudioTrack>().where("fingerprint = ?").bind(event.tracksInvolved.front().trackFingerprint);
action->datetime = Wt::WDateTime::currentDateTime();
sqlSession.add(action);
skipTransaction.commit();
//Display skip request on all clients.
Wt::WServer::instance()->postAll([event]() {
Wt::WApplication* app = Wt::WApplication::instance();
if(app != nullptr)
{
static_cast<WebInterface*>(app)->skipVotedFromServer(event.userInvolved);
}
}
);
}
}
else if(event.eventType == SKIP_VOTE_CAST_AGAINST)
{
if(!voteEndedButNotNextTrackYet)
{
currentSkipRequester.clear();
//Display skip request on all clients.
Wt::WServer::instance()->postAll([event]() {
Wt::WApplication* app = Wt::WApplication::instance();
if(app != nullptr)
{
static_cast<WebInterface*>(app)->skipVoteUpdateFromServer(event.userInvolved, false);
}
}
);
}
}
else if(event.eventType == SKIP_VOTING_ENDED)
{
//Don't skip without first determining next track
if(!voteEndedButNotNextTrackYet)
{
voteEndedButNotNextTrackYet = true;
lastInternalEvents.push_front(PlayerEvent() = {PlayerEventType::SKIP_VOTING_ENDED});
lastInternalEvents.push_front(PlayerEvent() = {PlayerEventType::VOTING_ENDED});
}
else
{
GroovePlaylistItem* item;
groove_player_position(currentPlayer,&item,nullptr);
groove_playlist_seek(currentPlaylist, item->next, 0.0);
}
}
else if(event.eventType == ADMIN_FORCE_SKIP)
{
if(!voteEndedButNotNextTrackYet)
{
lastInternalEvents.push_front(PlayerEvent() = {PlayerEventType::SKIP_VOTING_ENDED});
}
}
}
currentPlaylist = nullptr;
currentPlayer = nullptr;
groove_player_detach(player);
groove_player_destroy(player);
groove_playlist_destroy(playlist);
}
void GroovePlayerMgr::shutdown()
{
continueEventLoop = false;
}
GroovePlayerMgr::PlayerEvent GroovePlayerMgr::getNextPlayerEvent(Wt::Dbo::Session* session)
{
double timeIntoTrack;
groove_player_position(currentPlayer,nullptr,&timeIntoTrack);
if(!voteEndedButNotNextTrackYet && currentTrack.trackName != std::string() && currentTrack.trackLengthSeconds-timeIntoTrack < 3)
{
voteEndedButNotNextTrackYet = true;
return PlayerEvent() = {PlayerEventType::VOTING_ENDED};
}
GroovePlayerEvent event;
if(groove_player_event_get(this->currentPlayer,&event, 0) > 0)
{
if(event.type == GROOVE_EVENT_NOWPLAYING)
{
voteEndedButNotNextTrackYet = false;
return PlayerEvent() = {PlayerEventType::GROOVE_NOWPLAYING};
}
}
if(!voteEndedButNotNextTrackYet && currentSkipRequester.size() > 0 && skipRequestedAt+std::chrono::seconds(5) < std::chrono::steady_clock::now())
{
//Skip succeeded. Time to skip song.
lastInternalEvents.push_front(PlayerEvent() = {PlayerEventType::SKIP_VOTING_ENDED});
}
if(lastInternalEvents.size() > 0)
{
PlayerEvent event = lastInternalEvents.front();
lastInternalEvents.pop_front();
return event;
}
return PlayerEvent() = {PlayerEventType::NOTHING};
}
AudioTrack GroovePlayerMgr::getCurrentTrackDB(Wt::Dbo::Session* session)
{
Wt::Dbo::Transaction transaction(*session);
GroovePlaylistItem* currentItem;
groove_player_position(this->currentPlayer,&currentItem,nullptr);
if(currentItem != nullptr)
{
AudioTrack track = *session->find<AudioTrack>().where("path = ?").bind(currentItem->file->filename).resultValue();
transaction.commit();
return track;
}
transaction.commit();
return AudioTrack();
}
GroovePlayerMgr::ScanResults GroovePlayerMgr::addFileToTrackDBIfTagged(Wt::Dbo::Session* session, std::filesystem::path file)
{
//Now check if tags exist and put into DB.
struct GrooveFile* gfile = groove_file_open(file.c_str());
struct GrooveTag* artist_tag = groove_file_metadata_get(gfile, "artist", nullptr, 0);
struct GrooveTag* album_tag = groove_file_metadata_get(gfile, "album", nullptr, 0);
struct GrooveTag* name_tag = groove_file_metadata_get(gfile, "title", nullptr, 0);
struct GrooveTag* genre_tag = groove_file_metadata_get(gfile, "genre", nullptr, 0);
if(artist_tag == nullptr || album_tag == nullptr || name_tag == nullptr || genre_tag == nullptr)
{
//Only accept song with all metadata for DB.
Wt::log("info") << "Audio track " << file << " did not have all required tags.";
groove_file_close(gfile);
if(artist_tag == nullptr && album_tag != nullptr && name_tag != nullptr && genre_tag != nullptr) return ScanResults::MISSING_ARTIST_TAG;
if(artist_tag != nullptr && album_tag == nullptr && name_tag == nullptr && genre_tag == nullptr) return ScanResults::MISSING_ALBUM_TAG;
if(artist_tag != nullptr && album_tag != nullptr && name_tag == nullptr && genre_tag != nullptr) return ScanResults::MISSING_TITLE_TAG;
if(artist_tag != nullptr && album_tag != nullptr && name_tag != nullptr && genre_tag == nullptr) return ScanResults::MISSING_GENRE_TAG;
return ScanResults::MISSING_MULTIPLE_TAGS;
}
//Take fingerprint and compare to DB.
struct GrooveFingerprinter* fingerprinter = groove_fingerprinter_create();
struct GrooveFingerprinterInfo info;
struct GroovePlaylist* playlist = groove_playlist_create();
groove_playlist_insert(playlist,gfile,1.0,1.0,nullptr);
groove_fingerprinter_attach(fingerprinter, playlist);
groove_fingerprinter_info_get(fingerprinter, &info, 1);
double trackLen = info.duration;
char* encodedFP;
groove_fingerprinter_encode(info.fingerprint,info.fingerprint_size,&encodedFP);
std::string fingerprint = std::string(encodedFP);
groove_fingerprinter_dealloc(encodedFP);
groove_fingerprinter_free_info(&info);
groove_fingerprinter_detach(fingerprinter);
groove_fingerprinter_destroy(fingerprinter);
groove_playlist_destroy(playlist);
Wt::Dbo::Transaction transaction(*session);
int existing = session->query<int>("select count(fingerprint) from tracks").where("fingerprint = ?").bind(fingerprint);
if(existing >0)
{
//This track has a duplicate already.
groove_file_close(gfile);
return ScanResults::DUPLICATE_TRACK;
}
//Add to DB.
AudioTrack* newTrack = new AudioTrack();
newTrack->trackName = groove_tag_value(name_tag);
newTrack->trackAlbumName = groove_tag_value(album_tag);
newTrack->trackArtistName = groove_tag_value(artist_tag);
newTrack->trackGenre = groove_tag_value(genre_tag);
newTrack->trackLengthSeconds = trackLen;
newTrack->trackFingerprint = fingerprint;
newTrack->trackPath = file.string();
//Quickly see if there is cover artist
getPictureFromTrack(newTrack);
if(newTrack->coverArt.size() == 0)
{
Wt::log("info") << "Audio track " << newTrack->trackPath << " did not have cover art in the file.";
groove_file_close(gfile);
return ScanResults::MISSING_COVERART_TAG;
}
session->add(newTrack);
transaction.commit();
groove_file_close(gfile);
return ScanResults::ACCEPTED;
}
void GroovePlayerMgr::removeOrphanedTracks(Wt::Dbo::Session* session)
{
Wt::Dbo::Transaction transaction(*session);
Wt::Dbo::collection<Wt::Dbo::ptr<AudioTrack>> tracks = session->find<AudioTrack>();
for(Wt::Dbo::collection<Wt::Dbo::ptr<AudioTrack>>::const_iterator i = tracks.begin(); i != tracks.end(); ++i)
{
if(!std::filesystem::exists(std::filesystem::path((*i)->trackPath)))
{
Wt::Dbo::ptr<AudioTrack> item = session->find<AudioTrack>().where("fingerprint = ?").bind((*i)->trackFingerprint);
Wt::log("info") << (*i)->trackPath + " not found in filesystem. Removed from DB.";
item.remove();
}
}
transaction.commit();
}
void GroovePlayerMgr::getPictureFromTrack(AudioTrack* trackToFill)
{
if(trackToFill->trackPath != "")
{
TagLib::String file = TagLib::String(trackToFill->trackPath);
if(file.substr(file.size()-3).upper() == "MP3" && TagLib::MPEG::File(trackToFill->trackPath.c_str()).hasID3v2Tag())
{
TagLib::MPEG::File file(trackToFill->trackPath.c_str());
TagLib::ID3v2::Tag* tag = file.ID3v2Tag();
if(!tag->frameListMap()["APIC"].isEmpty() && dynamic_cast<TagLib::ID3v2::AttachedPictureFrame*>(tag->frameListMap()["APIC"].front()) != nullptr)
{
TagLib::ID3v2::AttachedPictureFrame* pic = dynamic_cast<TagLib::ID3v2::AttachedPictureFrame*>(tag->frameListMap()["APIC"].front());
trackToFill->coverArt = TagLib::ByteVector(pic->picture().data(),pic->picture().size());
trackToFill->coverMimeType = std::string(pic->mimeType().toCString(true));
}
}
// else if(dynamic_cast<TagLib::Ogg::XiphComment*>(tagTrack.tag()) != nullptr && !dynamic_cast<TagLib::Ogg::XiphComment*>(tagTrack.tag())->isEmpty())
// {
// TagLib::Ogg::XiphComment* tag = dynamic_cast<TagLib::Ogg::XiphComment*>(tagTrack.tag());
// if(tag->fieldListMap()["METADATA_BLOCK_PICTURE"].isEmpty())
// {
// tag->fieldListMap()["METADATA_BLOCK_PICTURE"];//TODO?
// }
// }
}
}
void GroovePlayerMgr::grooveAudioScannerLoop()
{
Wt::Dbo::Session sqlSession;
sqlSession.setConnectionPool(*connectionPool);
sqlSession.mapClass<User>("user");
sqlSession.mapClass<AudioTrack>("tracks");
sqlSession.mapClass<UserAction>("actions");
if(!std::filesystem::exists(musicScanDir))
{
std::filesystem::create_directory(musicScanDir);
Wt::log("info") << "Directory "+std::filesystem::canonical(musicScanDir).string()+" didn't exist, so created.";
} else
{
Wt::log("info") << "Directory "+std::filesystem::canonical(musicScanDir).string()+" exists.";
}
for(std::filesystem::directory_entry p: std::filesystem::directory_iterator(musicScanDir))
{
std::string extensionLowered;
for(auto elem : p.path().extension().string())
{
extensionLowered.push_back(std::tolower(elem));
}
if(extensionLowered == ".mp3") //TODO:think about supporting more than mp3s.
{
if(addFileToTrackDBIfTagged(&sqlSession, p.path()))
{
Wt::log("info") << p.path().string() << " was added to DB";
}
}
else
{
Wt::log("info") << p.path().string() + " was not an accepted audio file.";
}
}
//Now check for tracks in DB without a file.
removeOrphanedTracks(&sqlSession);
}
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