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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.
*
*/
#ifndef GROOVEPLAYER_H
#define GROOVEPLAYER_H
#include <Wt/Dbo/Session>
#include <Wt/Dbo/backend/Sqlite3>
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#include <Wt/Dbo/FixedSqlConnectionPool>
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#include <list>
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#include <chrono>
#include "db/User.h"
#include "db/AudioTrack.h"
#include <groove/groove.h>
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#include <grooveplayer/player.h>
#include <grooveloudness/loudness.h>
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#include <experimental/filesystem> //TODO:Change to non-gcc way when officially using c++17
namespace std {
namespace filesystem = experimental::filesystem;
}
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class GroovePlayerMgr
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{
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public:
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std::filesystem::path musicScanDir;
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static GroovePlayerMgr* getInstance() {
static GroovePlayerMgr instance("music.db");
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return &instance;
};
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GroovePlayerMgr ( GroovePlayerMgr const&) = delete;
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void operator=( GroovePlayerMgr const&) = delete;
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void shutdown();
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struct GroovePlaylist* currentPlaylist;
struct GroovePlayer* currentPlayer;
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struct GrooveLoudnessDetector* currentRPG;
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AudioTrack currentTrack;
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std::list<AudioTrack> currentVoteBatch;
std::list<std::pair<AudioTrack, int>> currentVoteStatus;
std::list<User> currentUsersVoted;
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bool voteEndedButNotNextTrackYet = false;
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std::list<User> currentSkipRequester;
std::chrono::steady_clock::time_point skipRequestedAt;
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enum ScanResults {ACCEPTED, MISSING_ARTIST_TAG, MISSING_ALBUM_TAG, MISSING_TITLE_TAG, MISSING_GENRE_TAG, DUPLICATE_TRACK, MISSING_COVERART_TAG, MISSING_MULTIPLE_TAGS, WRONG_FILETYPE};
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ScanResults addFileToTrackDBIfTagged(Wt::Dbo::Session* session, std::filesystem::path file);
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enum PlayerEventType {NOTHING, GROOVE_NOWPLAYING, VOTING_ENDED, VOTE_CAST, PLAYING_PAUSED, PLAYING_RESUMED, SKIP_REQUESTED, SKIP_VOTE_CAST_AGAINST, SKIP_VOTING_ENDED, ADMIN_FORCE_SKIP};
struct PlayerEvent {
PlayerEventType eventType;
User userInvolved;
std::list<AudioTrack> tracksInvolved;
};
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std::list<std::pair<AudioTrack,User>> requestQueue;
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std::list<PlayerEvent> lastInternalEvents;
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Wt::Dbo::backend::Sqlite3* sqliteConnection;
Wt::Dbo::FixedSqlConnectionPool* connectionPool;
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void getPictureFromTrack(AudioTrack* trackToFill);
void removeTrack(Wt::Dbo::Session* session, AudioTrack track);
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bool fileExistsInLibrary(std::string filename);
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private:
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GroovePlayerMgr (std::string dbFile);
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~GroovePlayerMgr();
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bool continueEventLoop = true;
std::thread* grooveEvents;
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void grooveEventLoop();
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std::list<AudioTrack> getNextVoteBatch(Wt::Dbo::Session* session);
std::thread* grooveAudioScanner;
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void grooveAudioScannerLoop();
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PlayerEvent getNextPlayerEvent(Wt::Dbo::Session* session);
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void removeOrphanedTracks(Wt::Dbo::Session* session);
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AudioTrack getCurrentTrackDB(Wt::Dbo::Session* session);
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static double clamp_rg(double x) {
if (x < -51.0) return -51.0;
else if (x > 51.0) return 51.0;
else return x;
};
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};
#endif // GROOVEPLAYER_H