eden/src/frontend_common/data_manager.cpp
crueter 6be4b03050
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eden-license / license-header (pull_request) Failing after 30s
[desktop] feat: import/export data
Currently not the ideal solution. Can't be cancelled due to JlCompress
currently lacking a method of cancellation, but for now this is a good
prototype.

Signed-off-by: crueter <crueter@eden-emu.dev>
2025-10-09 15:19:32 -04:00

77 lines
2.1 KiB
C++

// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include "data_manager.h"
#include "common/assert.h"
#include "common/fs/path_util.h"
#include <filesystem>
#include <fmt/format.h>
namespace FrontendCommon::DataManager {
namespace fs = std::filesystem;
const std::string GetDataDir(DataDir dir)
{
const fs::path nand_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::NANDDir);
switch (dir) {
case DataDir::Saves:
return (nand_dir / "user" / "save" / "0000000000000000").string();
case DataDir::UserNand:
return (nand_dir / "user" / "Contents" / "registered").string();
case DataDir::SysNand:
// NB: do NOT delete save
// that contains profile data and other stuff
return (nand_dir / "system" / "Contents" / "registered").string();
case DataDir::Mods:
return Common::FS::GetEdenPathString(Common::FS::EdenPath::LoadDir);
case DataDir::Shaders:
return Common::FS::GetEdenPathString(Common::FS::EdenPath::ShaderDir);
default:
UNIMPLEMENTED();
}
return "";
}
u64 ClearDir(DataDir dir)
{
fs::path data_dir = GetDataDir(dir);
u64 result = fs::remove_all(data_dir);
// mkpath at the end just so it actually exists
fs::create_directories(data_dir);
return result;
}
const std::string ReadableBytesSize(u64 size)
{
static constexpr std::array units{"B", "KiB", "MiB", "GiB", "TiB", "PiB"};
if (size == 0) {
return "0 B";
}
const int digit_groups = (std::min) (static_cast<int>(std::log10(size) / std::log10(1024)),
static_cast<int>(units.size()));
return fmt::format("{:.1f} {}", size / std::pow(1024, digit_groups), units[digit_groups]);
}
u64 DataDirSize(DataDir dir)
{
fs::path data_dir = GetDataDir(dir);
u64 size = 0;
if (!fs::exists(data_dir))
return 0;
for (const auto& entry : fs::recursive_directory_iterator(data_dir)) {
if (!entry.is_directory()) {
size += entry.file_size();
}
}
return size;
}
}