51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2017
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/telegram/files/FileFromBytes.h"
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#include "td/telegram/files/FileLoaderUtils.h"
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#include "td/telegram/Global.h"
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#include "td/utils/common.h"
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#include "td/utils/misc.h"
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#include <tuple>
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namespace td {
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FileFromBytes::FileFromBytes(FileType type, BufferSlice bytes, string name, std::unique_ptr<Callback> callback)
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: type_(type), bytes_(std::move(bytes)), name_(std::move(name)), callback_(std::move(callback)) {
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}
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void FileFromBytes::wakeup() {
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auto r_fd_path = open_temp_file(type_);
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if (r_fd_path.is_error()) {
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return callback_->on_error(r_fd_path.move_as_error());
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}
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FileFd fd;
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string path;
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std::tie(fd, path) = r_fd_path.move_as_ok();
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auto r_size = fd.write(bytes_.as_slice());
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if (r_size.is_error()) {
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return callback_->on_error(r_size.move_as_error());
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}
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fd.close();
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auto size = r_size.ok();
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if (size != bytes_.size()) {
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return callback_->on_error(Status::Error("Failed to write bytes to the file"));
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}
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auto dir = get_files_dir(type_);
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auto r_perm_path = create_from_temp(path, dir, name_);
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if (r_perm_path.is_error()) {
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return callback_->on_error(r_perm_path.move_as_error());
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}
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callback_->on_ok(FullLocalFileLocation(type_, r_perm_path.move_as_ok(), 0), narrow_cast<int64>(bytes_.size()));
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}
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} // namespace td
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