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// Copyright Contributors to the DNF5 project.
// Copyright Contributors to the libdnf project.
// SPDX-License-Identifier: LGPL-2.1-or-later
//
// This file is part of libdnf: https://github.com/rpm-software-management/libdnf/
//
// Libdnf is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 2.1 of the License, or
// (at your option) any later version.
//
// Libdnf 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with libdnf. If not, see <https://www.gnu.org/licenses/>.
#ifndef LIBDNF5_MODULE_MODULE_DB_HPP
#define LIBDNF5_MODULE_MODULE_DB_HPP
#include "system/state.hpp"
#include "libdnf5/base/base_weak.hpp"
#include "libdnf5/module/module_sack.hpp"
#include <string>
#include <utility>
#include <vector>
namespace libdnf5::module {
class ModuleDB;
using ModuleDBWeakPtr = WeakPtr<ModuleDB, false>;
// Stores states of all modules
// @replaces libdnf:module/ModulePackageContainer.cpp:class:ModulePackageContainer::Impl::ModulePersistor
class ModuleDB {
public:
ModuleDB(const BaseWeakPtr & base) : base(base) {}
ModuleDBWeakPtr get_weak_ptr();
/// Load all module states from `system::State` and create states for available modules.
void initialize();
/// Update the `system::State` with all the changes.
void save();
/// Get module status for given module name.
const ModuleStatus & get_status(const std::string & module_name) const;
/// Get enabled streams for given module name.
const std::string & get_enabled_stream(const std::string & module_name) const;
/// Get installed profiles for given module name.
const std::vector<std::string> & get_installed_profiles(const std::string & module_name) const;
/// Get module names of all modules that were not originally disabled, but are disabled now.
std::vector<std::string> get_all_newly_disabled_modules() const;
/// Get module names of all modules that were not originally available, but are available now.
std::vector<std::string> get_all_newly_reset_modules() const;
/// Get map of module names and their enabled streams for all modules that were not originally enabled,
/// but are enabled now.
std::map<std::string, std::string> get_all_newly_enabled_streams() const;
/// Get map of module names and their originally enabled streams for all modules that were originally enabled,
/// but are disabled now.
std::map<std::string, std::string> get_all_newly_disabled_streams() const;
/// Get map of module names and their originally enabled streams for all modules that were originally enabled,
/// but are available now.
std::map<std::string, std::string> get_all_newly_reset_streams() const;
/// Get map of module names and their originally and newly enabled streams for all modules with switched streams.
std::map<std::string, std::pair<std::string, std::string>> get_all_newly_switched_streams() const;
/// Get map of module names and their newly installed profiles for all modules with added profiles.
std::map<std::string, std::vector<std::string>> get_all_newly_installed_profiles() const;
/// Get map of module names and their removed profiles for all modules with removed profiles.
std::map<std::string, std::vector<std::string>> get_all_newly_removed_profiles() const;
bool change_status(const std::string & module_name, ModuleStatus status);
bool change_stream(const std::string & module_name, const std::string & stream, const bool count = false);
bool add_profile(const std::string & module_name, const std::string & profile);
bool remove_profile(const std::string & module_name, const std::string & profile);
void clear_profiles(const std::string & module_name);
private:
friend ModuleSack;
struct RuntimeModuleState {
system::ModuleState original;
system::ModuleState changed;
int stream_changes_num = 0;
};
/// Get the runtime module state for given module name.
const RuntimeModuleState & get_runtime_module_state(const std::string & module_name) const;
RuntimeModuleState & get_runtime_module_state(const std::string & module_name);
/// Get all module names for modules that newly have the given status.
std::vector<std::string> get_all_changed_modules(const ModuleStatus new_status) const;
/// Get all module names and changes in their profiles if there are any.
/// @param installed If `true`, get installed profiles, if `false`, get removed profiles.
std::map<std::string, std::vector<std::string>> get_all_changed_profiles(bool installed = true) const;
WeakPtrGuard<ModuleDB, false> data_guard;
BaseWeakPtr base;
/// Map of module names and their runtime states.
std::map<std::string, struct RuntimeModuleState> runtime_module_states;
bool initialized = false;
};
} // namespace libdnf5::module
#endif // LIBDNF5_MODULE_MODULE_DB_HPP
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