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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.
*/
/*
* Functions for editing the playlist (adding, removing, reordering
* songs in the queue).
*
*/
#include "config.h"
#include "Playlist.hxx"
#include "PlaylistError.hxx"
#include "Song.hxx"
#include "tag/Tag.hxx"
#include "tag/TagBuilder.hxx"
#include "util/Error.hxx"
bool
playlist::AddSongIdTag(unsigned id, TagType tag_type, const char *value,
Error &error)
{
const int position = queue.IdToPosition(id);
if (position < 0) {
error.Set(playlist_domain, int(PlaylistResult::NO_SUCH_SONG),
"No such song");
return false;
}
Song &song = queue.Get(position);
if (song.IsFile()) {
error.Set(playlist_domain, int(PlaylistResult::DENIED),
"Cannot edit tags of local file");
return false;
}
TagBuilder tag;
if (song.tag != nullptr) {
tag = std::move(*song.tag);
delete song.tag;
}
tag.AddItem(tag_type, value);
song.tag = tag.Commit();
queue.ModifyAtPosition(position);
OnModified();
return true;
}
bool
playlist::ClearSongIdTag(unsigned id, TagType tag_type,
Error &error)
{
const int position = queue.IdToPosition(id);
if (position < 0) {
error.Set(playlist_domain, int(PlaylistResult::NO_SUCH_SONG),
"No such song");
return false;
}
Song &song = queue.Get(position);
if (song.IsFile()) {
error.Set(playlist_domain, int(PlaylistResult::DENIED),
"Cannot edit tags of local file");
return false;
}
if (song.tag == nullptr)
return true;
TagBuilder tag(std::move(*song.tag));
delete song.tag;
if (tag_type == TAG_NUM_OF_ITEM_TYPES)
tag.RemoveAll();
else
tag.RemoveType(tag_type);
song.tag = tag.Commit();
queue.ModifyAtPosition(position);
OnModified();
return true;
}
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