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/*
Playdar - music content resolver
Copyright (C) 2009 Richard Jones
Copyright (C) 2009 Last.fm Ltd.
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __PLAYDAR_LIBRARY_H__
#define __PLAYDAR_LIBRARY_H__
#include <cstdio>
#include <map>
#include <vector>
#include <boost/thread/mutex.hpp>
#include "playdar/types.h"
#include "playdar/artist.h"
#include "playdar/album.h"
#include "playdar/track.h"
#include "library_file.h"
#include "sqlite3pp.h"
namespace playdar {
class MyApplication;
class Library
{
public:
Library(const std::string& dbfilepath);
~Library();
int add_dir( const std::string& url, int mtime);
int add_file( const std::string& url, int mtime, int size, const std::string& md5, const std::string& mimetype,
int duration, int bitrate,
const std::string& artist, const std::string& album, const std::string& track, int tracknum);
bool remove_file( const std::string& url );
int get_artist_id(const std::string&);
int get_track_id(int, const std::string&);
int get_album_id(int, const std::string&);
std::map<std::string, int> file_mtimes();
int num_files();
int num_artists();
int num_albums();
int num_tracks();
int get_random_fid();
bool build_index(std::string);
static std::string sortname(const std::string& name);
std::map<std::string, int> ngrams(const std::string&);
std::vector<scorepair> search_catalogue(std::string, std::string);
std::vector<scorepair> search_catalogue_for_artist(int, std::string, std::string);
// catalogue items
artist_ptr load_artist(std::string n);
artist_ptr load_artist(int n);
inline static artist_ptr load_artist( sqlite3pp::database& db, int n )
{
sqlite3pp::query qry(db, "SELECT id,name FROM artist WHERE id = ?");
qry.bind(1, n);
artist_ptr ptr;
for(sqlite3pp::query::iterator i = qry.begin(); i!=qry.end(); ++i){
ptr = artist_ptr(new Artist((*i).get<int>(0), (*i).get<std::string>(1)));
break;
}
return ptr;
}
album_ptr load_album(artist_ptr artp, std::string n);
album_ptr load_album(int n);
inline static album_ptr load_album( sqlite3pp::database& db, int n )
{
sqlite3pp::query qry(db, "SELECT id,name,artist FROM album WHERE id = ?");
qry.bind(1, n);
album_ptr ptr;
for(sqlite3pp::query::iterator i = qry.begin(); i!=qry.end(); ++i){
ptr = album_ptr(new Album((*i).get<int>(0), (*i).get<std::string>(1), load_artist( db, (*i).get<int>(2))));
break;
}
return ptr;
}
track_ptr load_track(artist_ptr artp, std::string n);
track_ptr load_track(int n);
inline static track_ptr load_track( sqlite3pp::database& db, int n )
{
sqlite3pp::query qry(db, "SELECT id,name,artist FROM track WHERE id = ?");
qry.bind(1, n);
track_ptr ptr;
for(sqlite3pp::query::iterator i = qry.begin(); i!=qry.end(); ++i){
ptr = track_ptr(new Track((*i).get<int>(0), (*i).get<std::string>(1), load_artist(db, (*i).get<int>(2))));
break;
}
return ptr;
}
// browsing:
std::vector< boost::shared_ptr<Artist> > list_artists();
std::vector< boost::shared_ptr<Track> > list_artist_tracks(boost::shared_ptr<Artist>);
std::string get_name(std::string, int);
std::string get_field(std::string, int, std::string);
std::vector<int> get_fids_for_tid(int tid);
LibraryFile_ptr file_from_fid(int fid);
inline static LibraryFile_ptr file_from_fid( sqlite3pp::database& db, int fid )
{
sqlite3pp::query qry(db,
"SELECT file.url, file.size, file.mimetype, file.duration, file.bitrate, "
"file_join.artist, file_join.album, file_join.track "
"FROM file, file_join "
"WHERE file.id = file_join.file "
"AND file.id = ?");
qry.bind(1, fid);
sqlite3pp::query::iterator i( qry.begin() );
if (i == qry.end())
return LibraryFile_ptr((LibraryFile*)0);
LibraryFile_ptr p(new LibraryFile);
p->url = std::string((*i).get<const char *>(0));
p->size = (*i).get<int>(1);
p->mimetype = std::string((*i).get<const char *>(2));
p->duration = (*i).get<int>(3);
p->bitrate = (*i).get<int>(4);
p->piartid = (*i).get<int>(5);
p->pialbid = (*i).get<int>(6);
p->pitrkid = (*i).get<int>(7);
return p;
}
sqlite3pp::database& db() { return m_db; }
std::string dbfilepath() const { return m_dbfilepath; }
// DB helper:
template <typename T> T db_get_one(std::string sql, T def);
private:
void check_db();
void create_db_schema();
sqlite3pp::database m_db;
boost::mutex m_mut;
std::string m_dbfilepath;
// name -> id caches
std::map< std::string, int > m_artistcache;
std::map< int, std::map<std::string, int> > m_trackcache;
std::map< int, std::map<std::string, int> > m_albumcache;
};
}
#endif
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