mamba/include/subdirdata.hpp

86 lines
2.2 KiB
C++

// Copyright (c) 2019, QuantStack and Mamba Contributors
//
// Distributed under the terms of the BSD 3-Clause License.
//
// The full license is in the file LICENSE, distributed with this software.
#ifndef MAMBA_SUBDIRDATA_HPP
#define MAMBA_SUBDIRDATA_HPP
#include <string>
#include "thirdparty/filesystem.hpp"
#include <regex>
#include "nlohmann/json.hpp"
#include "context.hpp"
#include "repo.hpp"
#include "util.hpp"
#include "fetch.hpp"
#include "output.hpp"
namespace fs = ghc::filesystem;
namespace decompress
{
bool raw(const std::string& in, const std::string& out);
}
namespace mamba
{
class MSubdirData
{
public:
MSubdirData(const std::string& name, const std::string& url, const std::string& repodata_fn);
// TODO return seconds as double
fs::file_time_type::duration check_cache(const fs::path& cache_file, const fs::file_time_type::clock::time_point& ref);
bool loaded();
bool forbid_cache();
bool load();
std::string cache_path() const;
DownloadTarget* target();
const std::string& name() const;
bool finalize_transfer();
MRepo create_repo(MPool& pool);
private:
bool decompress();
void create_target(nlohmann::json& mod_etag);
std::size_t get_cache_control_max_age(const std::string& val);
nlohmann::json read_mod_and_etag();
std::unique_ptr<DownloadTarget> m_target;
bool m_json_cache_valid = false;
bool m_solv_cache_valid = false;
std::ofstream out_file;
ProgressProxy m_progress_bar;
bool m_loaded;
bool m_download_complete;
std::string m_url;
std::string m_name;
std::string m_json_fn;
std::string m_solv_fn;
nlohmann::json m_mod_etag;
std::unique_ptr<TemporaryFile> m_temp_file;
};
// Contrary to conda original function, this one expects a full url
// (that is channel url + / + repodata_fn). It is not the
// responsibility of this function to decide whether it should
// concatenante base url and repodata depending on repodata value
// and old behavior support.
std::string cache_fn_url(const std::string& url);
std::string create_cache_dir();
}
#endif // MAMBA_SUBDIRDATA_HPP