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/*
* Copyright (C) 2003-2013 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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 "config.h"
#include "DatabasePrint.hxx"
#include "DatabaseSelection.hxx"
#include "SongFilter.hxx"
#include "PlaylistVector.hxx"
#include "SongPrint.hxx"
#include "TimePrint.hxx"
#include "Directory.hxx"
#include "Client.hxx"
#include "tag.h"
#include "Song.hxx"
#include "DatabaseGlue.hxx"
#include "DatabasePlugin.hxx"
#include <functional>
static bool
PrintDirectory(Client *client, const Directory &directory)
{
if (!directory.IsRoot())
client_printf(client, "directory: %s\n", directory.GetPath());
return true;
}
static void
print_playlist_in_directory(Client *client,
const Directory &directory,
const char *name_utf8)
{
if (directory.IsRoot())
client_printf(client, "playlist: %s\n", name_utf8);
else
client_printf(client, "playlist: %s/%s\n",
directory.GetPath(), name_utf8);
}
static bool
PrintSongBrief(Client *client, Song &song)
{
assert(song.parent != NULL);
song_print_uri(client, &song);
if (song.tag != NULL && song.tag->has_playlist)
/* this song file has an embedded CUE sheet */
print_playlist_in_directory(client, *song.parent, song.uri);
return true;
}
static bool
PrintSongFull(Client *client, Song &song)
{
assert(song.parent != NULL);
song_print_info(client, &song);
if (song.tag != NULL && song.tag->has_playlist)
/* this song file has an embedded CUE sheet */
print_playlist_in_directory(client, *song.parent, song.uri);
return true;
}
static bool
PrintPlaylistBrief(Client *client,
const PlaylistInfo &playlist,
const Directory &directory)
{
print_playlist_in_directory(client, directory, playlist.name.c_str());
return true;
}
static bool
PrintPlaylistFull(Client *client,
const PlaylistInfo &playlist,
const Directory &directory)
{
print_playlist_in_directory(client, directory, playlist.name.c_str());
if (playlist.mtime > 0)
time_print(client, "Last-Modified", playlist.mtime);
return true;
}
bool
db_selection_print(Client *client, const DatabaseSelection &selection,
bool full, GError **error_r)
{
const Database *db = GetDatabase(error_r);
if (db == nullptr)
return false;
using namespace std::placeholders;
const auto d = selection.filter == nullptr
? std::bind(PrintDirectory, client, _1)
: VisitDirectory();
const auto s = std::bind(full ? PrintSongFull : PrintSongBrief,
client, _1);
const auto p = selection.filter == nullptr
? std::bind(full ? PrintPlaylistFull : PrintPlaylistBrief,
client, _1, _2)
: VisitPlaylist();
return db->Visit(selection, d, s, p, error_r);
}
struct SearchStats {
int numberOfSongs;
unsigned long playTime;
};
static void printSearchStats(Client *client, SearchStats *stats)
{
client_printf(client, "songs: %i\n", stats->numberOfSongs);
client_printf(client, "playtime: %li\n", stats->playTime);
}
static bool
stats_visitor_song(SearchStats &stats, Song &song)
{
stats.numberOfSongs++;
stats.playTime += song.GetDuration();
return true;
}
bool
searchStatsForSongsIn(Client *client, const char *name,
const SongFilter *filter,
GError **error_r)
{
const Database *db = GetDatabase(error_r);
if (db == nullptr)
return false;
const DatabaseSelection selection(name, true, filter);
SearchStats stats;
stats.numberOfSongs = 0;
stats.playTime = 0;
using namespace std::placeholders;
const auto f = std::bind(stats_visitor_song, std::ref(stats),
_1);
if (!db->Visit(selection, f, error_r))
return false;
printSearchStats(client, &stats);
return true;
}
bool
printAllIn(Client *client, const char *uri_utf8, GError **error_r)
{
const DatabaseSelection selection(uri_utf8, true);
return db_selection_print(client, selection, false, error_r);
}
bool
printInfoForAllIn(Client *client, const char *uri_utf8,
GError **error_r)
{
const DatabaseSelection selection(uri_utf8, true);
return db_selection_print(client, selection, true, error_r);
}
static bool
PrintSongURIVisitor(Client *client, Song &song)
{
song_print_uri(client, &song);
return true;
}
static bool
PrintUniqueTag(Client *client, enum tag_type tag_type,
const char *value)
{
client_printf(client, "%s: %s\n", tag_item_names[tag_type], value);
return true;
}
bool
listAllUniqueTags(Client *client, int type,
const SongFilter *filter,
GError **error_r)
{
const Database *db = GetDatabase(error_r);
if (db == nullptr)
return false;
const DatabaseSelection selection("", true, filter);
if (type == LOCATE_TAG_FILE_TYPE) {
using namespace std::placeholders;
const auto f = std::bind(PrintSongURIVisitor, client, _1);
return db->Visit(selection, f, error_r);
} else {
using namespace std::placeholders;
const auto f = std::bind(PrintUniqueTag, client,
(enum tag_type)type, _1);
return db->VisitUniqueTags(selection, (enum tag_type)type,
f, error_r);
}
}
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