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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 "config.h" /* must be first for large file support */
#include "song/DetachedSong.hxx"
#include "db/plugins/simple/Song.hxx"
#include "db/plugins/simple/Directory.hxx"
#include "storage/StorageInterface.hxx"
#include "storage/FileInfo.hxx"
#include "util/UriUtil.hxx"
#include "fs/AllocatedPath.hxx"
#include "fs/FileInfo.hxx"
#include "tag/Builder.hxx"
#include "TagFile.hxx"
#include "TagStream.hxx"
#ifdef ENABLE_ARCHIVE
#include "TagArchive.hxx"
#endif
#include <exception>
#include <assert.h>
#include <string.h>
#ifdef ENABLE_DATABASE
Song *
Song::LoadFile(Storage &storage, const char *path_utf8,
Directory &parent) noexcept
{
assert(!uri_has_scheme(path_utf8));
assert(strchr(path_utf8, '\n') == nullptr);
Song *song = NewFile(path_utf8, parent);
if (!song->UpdateFile(storage)) {
song->Free();
return nullptr;
}
return song;
}
#endif
#ifdef ENABLE_DATABASE
bool
Song::UpdateFile(Storage &storage) noexcept
{
const auto &relative_uri = GetURI();
StorageFileInfo info;
try {
info = storage.GetInfo(relative_uri.c_str(), true);
} catch (...) {
return false;
}
if (!info.IsRegular())
return false;
TagBuilder tag_builder;
auto new_audio_format = AudioFormat::Undefined();
const auto path_fs = storage.MapFS(relative_uri.c_str());
if (path_fs.IsNull()) {
const auto absolute_uri =
storage.MapUTF8(relative_uri.c_str());
if (!tag_stream_scan(absolute_uri.c_str(), tag_builder,
&new_audio_format))
return false;
} else {
if (!ScanFileTagsWithGeneric(path_fs, tag_builder,
&new_audio_format))
return false;
}
mtime = info.mtime;
audio_format = new_audio_format;
tag_builder.Commit(tag);
return true;
}
#endif
#ifdef ENABLE_ARCHIVE
Song *
Song::LoadFromArchive(ArchiveFile &archive, const char *name_utf8,
Directory &parent) noexcept
{
assert(!uri_has_scheme(name_utf8));
assert(strchr(name_utf8, '\n') == nullptr);
Song *song = NewFile(name_utf8, parent);
if (!song->UpdateFileInArchive(archive)) {
song->Free();
return nullptr;
}
return song;
}
bool
Song::UpdateFileInArchive(ArchiveFile &archive) noexcept
{
assert(parent != nullptr);
assert(parent->device == DEVICE_INARCHIVE);
std::string path_utf8(uri);
for (const Directory *directory = parent;
directory->parent != nullptr &&
directory->parent->device == DEVICE_INARCHIVE;
directory = directory->parent) {
path_utf8.insert(path_utf8.begin(), '/');
path_utf8.insert(0, directory->GetName());
}
TagBuilder tag_builder;
if (!tag_archive_scan(archive, path_utf8.c_str(), tag_builder))
return false;
tag_builder.Commit(tag);
return true;
}
#endif
bool
DetachedSong::LoadFile(Path path) noexcept
{
FileInfo fi;
if (!GetFileInfo(path, fi) || !fi.IsRegular())
return false;
TagBuilder tag_builder;
if (!ScanFileTagsWithGeneric(path, tag_builder))
return false;
mtime = fi.GetModificationTime();
tag_builder.Commit(tag);
return true;
}
bool
DetachedSong::Update() noexcept
{
if (IsAbsoluteFile()) {
const AllocatedPath path_fs =
AllocatedPath::FromUTF8(GetRealURI());
if (path_fs.IsNull())
return false;
return LoadFile(path_fs);
} else if (IsRemote()) {
TagBuilder tag_builder;
if (!tag_stream_scan(uri.c_str(), tag_builder))
return false;
mtime = std::chrono::system_clock::time_point::min();
tag_builder.Commit(tag);
return true;
} else
// TODO: implement
return false;
}
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