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#include "GlobalStates.hpp"
#include "Model/Project.hpp"
#include "Utils/StandardDirectories.hpp"
#include <json/reader.h>
#include <json/value.h>
#include <json/writer.h>
#include <cassert>
#include <filesystem>
#include <fstream>
#include <memory>
namespace fs = std::filesystem;
static std::unique_ptr<GlobalStates> globalStateInstance;
static fs::path globalDataPath;
void GlobalStates::Init()
{
Init(StandardDirectories::UserData() / "cplt");
}
void GlobalStates::Init(std::filesystem::path userDataDir)
{
globalStateInstance = std::make_unique<GlobalStates>();
globalDataPath = userDataDir;
fs::create_directories(globalDataPath);
// Reading recent projects
{
std::ifstream ifs(globalDataPath / "recents.json");
if (!ifs) return;
Json::Value root;
ifs >> root;
if (!root.isObject()) return;
if (auto& recents = root["RecentProjects"]; recents.isArray()) {
for (auto& elm : recents) {
if (!elm.isString()) continue;
fs::path path(elm.asCString());
if (!fs::exists(path)) continue;
auto utf8String = path.string();
globalStateInstance->mRecentProjects.push_back(RecentProject{
.Path = std::move(path),
.CachedUtf8String = std::move(utf8String),
});
}
}
}
}
void GlobalStates::Shutdown()
{
if (!globalStateInstance) return;
globalStateInstance->SetCurrentProject(nullptr);
if (globalStateInstance->mDirty) {
globalStateInstance->WriteToDisk();
}
}
GlobalStates& GlobalStates::GetInstance()
{
return *globalStateInstance;
}
const std::filesystem::path& GlobalStates::GetUserDataPath()
{
return globalDataPath;
}
const std::vector<GlobalStates::RecentProject>& GlobalStates::GetRecentProjects() const
{
return mRecentProjects;
}
void GlobalStates::ClearRecentProjects()
{
mRecentProjects.clear();
MarkDirty();
}
void GlobalStates::AddRecentProject(const Project& project)
{
mRecentProjects.push_back(RecentProject{
.Path = project.GetPath(),
.CachedUtf8String = project.GetPath().string(),
});
MarkDirty();
}
void GlobalStates::MoveProjectToTop(const Project& project)
{
for (auto it = mRecentProjects.begin(); it != mRecentProjects.end(); ++it) {
if (it->Path == project.GetPath()) {
std::rotate(it, it + 1, mRecentProjects.end());
MarkDirty();
return;
}
}
AddRecentProject(project);
}
void GlobalStates::RemoveRecentProject(int idx)
{
assert(idx >= 0 && idx < mRecentProjects.size());
mRecentProjects.erase(mRecentProjects.begin() + idx);
MarkDirty();
}
bool GlobalStates::HasCurrentProject() const
{
return mCurrentProject != nullptr;
}
Project* GlobalStates::GetCurrentProject() const
{
return mCurrentProject.get();
}
void GlobalStates::SetCurrentProject(std::unique_ptr<Project> project)
{
if (mCurrentProject) {
mCurrentProject->WriteToDisk();
mCurrentProject = nullptr;
}
if (project) {
MoveProjectToTop(*project);
}
mCurrentProject = std::move(project);
}
void GlobalStates::WriteToDisk() const
{
Json::Value root;
auto& recentProjects = root["RecentProjects"] = Json::Value(Json::arrayValue);
for (auto& [path, _] : mRecentProjects) {
recentProjects.append(Json::Value(path.string()));
}
std::ofstream ofs(globalDataPath / "recents.json");
ofs << root;
mDirty = false;
}
bool GlobalStates::IsDirty() const
{
return mDirty;
}
void GlobalStates::MarkDirty()
{
mDirty = true;
OnModified();
}
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