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/*
* Copyright (C) 2003-2015 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 "StickerCommands.hxx"
#include "Request.hxx"
#include "SongPrint.hxx"
#include "db/Interface.hxx"
#include "db/DatabaseGlue.hxx"
#include "sticker/SongSticker.hxx"
#include "sticker/StickerPrint.hxx"
#include "sticker/StickerDatabase.hxx"
#include "CommandError.hxx"
#include "client/Client.hxx"
#include "client/Response.hxx"
#include "Partition.hxx"
#include "Instance.hxx"
#include "util/Error.hxx"
#include "util/ConstBuffer.hxx"
#include "util/StringAPI.hxx"
struct sticker_song_find_data {
Response &r;
Partition &partition;
const char *name;
};
static void
sticker_song_find_print_cb(const LightSong &song, const char *value,
void *user_data)
{
struct sticker_song_find_data *data =
(struct sticker_song_find_data *)user_data;
song_print_uri(data->r, data->partition, song);
sticker_print_value(data->r, data->name, value);
}
static CommandResult
handle_sticker_song(Response &r, Partition &partition, Request args)
{
Error error;
const Database *db = partition.GetDatabase(error);
if (db == nullptr)
return print_error(r, error);
const char *const cmd = args.front();
/* get song song_id key */
if (args.size == 4 && StringIsEqual(cmd, "get")) {
const LightSong *song = db->GetSong(args[2], error);
if (song == nullptr)
return print_error(r, error);
const auto value = sticker_song_get_value(*song, args[3],
error);
db->ReturnSong(song);
if (value.empty()) {
if (error.IsDefined())
return print_error(r, error);
r.Error(ACK_ERROR_NO_EXIST, "no such sticker");
return CommandResult::ERROR;
}
sticker_print_value(r, args[3], value.c_str());
return CommandResult::OK;
/* list song song_id */
} else if (args.size == 3 && StringIsEqual(cmd, "list")) {
const LightSong *song = db->GetSong(args[2], error);
if (song == nullptr)
return print_error(r, error);
Sticker *sticker = sticker_song_get(*song, error);
db->ReturnSong(song);
if (sticker) {
sticker_print(r, *sticker);
sticker_free(sticker);
} else if (error.IsDefined())
return print_error(r, error);
return CommandResult::OK;
/* set song song_id id key */
} else if (args.size == 5 && StringIsEqual(cmd, "set")) {
const LightSong *song = db->GetSong(args[2], error);
if (song == nullptr)
return print_error(r, error);
bool ret = sticker_song_set_value(*song, args[3], args[4],
error);
db->ReturnSong(song);
if (!ret) {
if (error.IsDefined())
return print_error(r, error);
r.Error(ACK_ERROR_SYSTEM,
"failed to set sticker value");
return CommandResult::ERROR;
}
return CommandResult::OK;
/* delete song song_id [key] */
} else if ((args.size == 3 || args.size == 4) &&
StringIsEqual(cmd, "delete")) {
const LightSong *song = db->GetSong(args[2], error);
if (song == nullptr)
return print_error(r, error);
bool ret = args.size == 3
? sticker_song_delete(*song, error)
: sticker_song_delete_value(*song, args[3], error);
db->ReturnSong(song);
if (!ret) {
if (error.IsDefined())
return print_error(r, error);
r.Error(ACK_ERROR_SYSTEM, "no such sticker");
return CommandResult::ERROR;
}
return CommandResult::OK;
/* find song dir key */
} else if ((args.size == 4 || args.size == 6) &&
StringIsEqual(cmd, "find")) {
/* "sticker find song a/directory name" */
const char *const base_uri = args[2];
StickerOperator op = StickerOperator::EXISTS;
const char *value = nullptr;
if (args.size == 6) {
/* match the value */
const char *op_s = args[4];
value = args[5];
if (StringIsEqual(op_s, "="))
op = StickerOperator::EQUALS;
else if (StringIsEqual(op_s, "<"))
op = StickerOperator::LESS_THAN;
else if (StringIsEqual(op_s, ">"))
op = StickerOperator::GREATER_THAN;
else {
r.Error(ACK_ERROR_ARG, "bad operator");
return CommandResult::ERROR;
}
}
struct sticker_song_find_data data = {
r,
partition,
args[3],
};
if (!sticker_song_find(*db, base_uri, data.name,
op, value,
sticker_song_find_print_cb, &data,
error)) {
if (error.IsDefined())
return print_error(r, error);
r.Error(ACK_ERROR_SYSTEM,
"failed to set search sticker database");
return CommandResult::ERROR;
}
return CommandResult::OK;
} else {
r.Error(ACK_ERROR_ARG, "bad request");
return CommandResult::ERROR;
}
}
CommandResult
handle_sticker(Client &client, Request args, Response &r)
{
assert(args.size >= 3);
if (!sticker_enabled()) {
r.Error(ACK_ERROR_UNKNOWN, "sticker database is disabled");
return CommandResult::ERROR;
}
if (StringIsEqual(args[1], "song"))
return handle_sticker_song(r, client.partition, args);
else {
r.Error(ACK_ERROR_ARG, "unknown sticker domain");
return CommandResult::ERROR;
}
}
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