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/*
* Copyright 2003-2018 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 "DatabasePrint.hxx"
#include "Selection.hxx"
#include "SongPrint.hxx"
#include "TimePrint.hxx"
#include "TagPrint.hxx"
#include "client/Response.hxx"
#include "protocol/RangeArg.hxx"
#include "Partition.hxx"
#include "song/DetachedSong.hxx"
#include "song/Filter.hxx"
#include "song/LightSong.hxx"
#include "tag/Tag.hxx"
#include "tag/Mask.hxx"
#include "LightDirectory.hxx"
#include "PlaylistInfo.hxx"
#include "Interface.hxx"
#include "fs/Traits.hxx"
#include "util/ChronoUtil.hxx"
#include <functional>
gcc_pure
static const char *
ApplyBaseFlag(const char *uri, bool base) noexcept
{
if (base)
uri = PathTraitsUTF8::GetBase(uri);
return uri;
}
static void
PrintDirectoryURI(Response &r, bool base,
const LightDirectory &directory) noexcept
{
r.Format("directory: %s\n",
ApplyBaseFlag(directory.GetPath(), base));
}
static void
PrintDirectoryBrief(Response &r, bool base,
const LightDirectory &directory) noexcept
{
if (!directory.IsRoot())
PrintDirectoryURI(r, base, directory);
}
static void
PrintDirectoryFull(Response &r, bool base,
const LightDirectory &directory) noexcept
{
if (!directory.IsRoot()) {
PrintDirectoryURI(r, base, directory);
if (!IsNegative(directory.mtime))
time_print(r, "Last-Modified", directory.mtime);
}
}
static void
print_playlist_in_directory(Response &r, bool base,
const char *directory,
const char *name_utf8) noexcept
{
if (base || directory == nullptr)
r.Format("playlist: %s\n",
ApplyBaseFlag(name_utf8, base));
else
r.Format("playlist: %s/%s\n",
directory, name_utf8);
}
static void
print_playlist_in_directory(Response &r, bool base,
const LightDirectory *directory,
const char *name_utf8) noexcept
{
if (base || directory == nullptr || directory->IsRoot())
r.Format("playlist: %s\n", name_utf8);
else
r.Format("playlist: %s/%s\n",
directory->GetPath(), name_utf8);
}
static void
PrintSongBrief(Response &r, bool base, const LightSong &song) noexcept
{
song_print_uri(r, song, base);
if (song.tag.has_playlist)
/* this song file has an embedded CUE sheet */
print_playlist_in_directory(r, base,
song.directory, song.uri);
}
static void
PrintSongFull(Response &r, bool base, const LightSong &song) noexcept
{
song_print_info(r, song, base);
if (song.tag.has_playlist)
/* this song file has an embedded CUE sheet */
print_playlist_in_directory(r, base,
song.directory, song.uri);
}
static void
PrintPlaylistBrief(Response &r, bool base,
const PlaylistInfo &playlist,
const LightDirectory &directory) noexcept
{
print_playlist_in_directory(r, base,
&directory, playlist.name.c_str());
}
static void
PrintPlaylistFull(Response &r, bool base,
const PlaylistInfo &playlist,
const LightDirectory &directory) noexcept
{
print_playlist_in_directory(r, base,
&directory, playlist.name.c_str());
if (!IsNegative(playlist.mtime))
time_print(r, "Last-Modified", playlist.mtime);
}
void
db_selection_print(Response &r, Partition &partition,
const DatabaseSelection &selection,
bool full, bool base)
{
const Database &db = partition.GetDatabaseOrThrow();
using namespace std::placeholders;
const auto d = selection.filter == nullptr
? std::bind(full ? PrintDirectoryFull : PrintDirectoryBrief,
std::ref(r), base, _1)
: VisitDirectory();
VisitSong s = std::bind(full ? PrintSongFull : PrintSongBrief,
std::ref(r), base, _1);
const auto p = selection.filter == nullptr
? std::bind(full ? PrintPlaylistFull : PrintPlaylistBrief,
std::ref(r), base, _1, _2)
: VisitPlaylist();
db.Visit(selection, d, s, p);
}
static void
PrintSongURIVisitor(Response &r, const LightSong &song) noexcept
{
song_print_uri(r, song);
}
void
PrintSongUris(Response &r, Partition &partition,
const SongFilter *filter)
{
const Database &db = partition.GetDatabaseOrThrow();
const DatabaseSelection selection("", true, filter);
using namespace std::placeholders;
const auto f = std::bind(PrintSongURIVisitor,
std::ref(r), _1);
db.Visit(selection, f);
}
static void
PrintUniqueTags(Response &r, TagType tag_type,
const std::set<std::string> &values)
{
const char *const name = tag_item_names[tag_type];
for (const auto &i : values)
r.Format("%s: %s\n", name, i.c_str());
}
static void
PrintGroupedUniqueTags(Response &r, TagType tag_type, TagType group,
const std::map<std::string, std::set<std::string>> &groups)
{
if (group == TAG_NUM_OF_ITEM_TYPES) {
for (const auto &i : groups)
PrintUniqueTags(r, tag_type, i.second);
return;
}
const char *const group_name = tag_item_names[group];
for (const auto &i : groups) {
r.Format("%s: %s\n", group_name, i.first.c_str());
PrintUniqueTags(r, tag_type, i.second);
}
}
void
PrintUniqueTags(Response &r, Partition &partition,
TagType type, TagType group,
const SongFilter *filter)
{
assert(type < TAG_NUM_OF_ITEM_TYPES);
const Database &db = partition.GetDatabaseOrThrow();
const DatabaseSelection selection("", true, filter);
PrintGroupedUniqueTags(r, type, group,
db.CollectUniqueTags(selection, type, group));
}
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