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#include "Project.hpp"
#include <json/reader.h>
#include <json/value.h>
#include <json/writer.h>
#include <filesystem>
#include <fstream>
#include <stdexcept>
#include <utility>
namespace fs = std::filesystem;
template <class T>
void ReadItemList(ItemList<T>& list, const fs::path& filePath) {
std::ifstream ifs(filePath);
if (ifs) {
Json::Value root;
ifs >> root;
list = ItemList<T>(root);
}
}
Project Project::Load(const fs::path& projectFilePath) {
// TODO better diagnostic
const char* kInvalidFormatErr = "Failed to load project: invalid format.";
std::ifstream ifs(projectFilePath);
if (!ifs) {
std::string message;
message += "Failed to load project file at '";
message += projectFilePath.string();
message += "'.";
throw std::runtime_error(message);
}
Project proj;
proj.mRootPath = projectFilePath.parent_path();
proj.mRootPathString = proj.mRootPath.string();
{
Json::Value root;
ifs >> root;
const auto& croot = root; // Use const reference so that accessors default to returning a null if not found, instead of silently creating new elements
if (!croot.isObject()) {
throw std::runtime_error(kInvalidFormatErr);
}
if (auto& name = croot["Name"]; name.isString()) {
proj.mName = name.asString();
} else {
throw std::runtime_error(kInvalidFormatErr);
}
}
auto itemsDir = proj.mRootPath / "items";
ReadItemList(proj.Products, itemsDir / "products.json");
ReadItemList(proj.Factories, itemsDir / "factories.json");
ReadItemList(proj.Customers, itemsDir / "customers.json");
return proj;
}
Project Project::LoadDir(const std::filesystem::path& projectPath) {
return Load(projectPath / "cplt_project.json");
}
Project Project::Create(std::string name, const fs::path& path) {
Project proj;
proj.mRootPath = path;
proj.mRootPathString = path.string();
proj.mName = std::move(name);
return proj;
}
const fs::path& Project::GetPath() const {
return mRootPath;
}
const std::string& Project::GetPathString() const {
return mRootPathString;
}
const std::string& Project::GetName() const {
return mName;
}
void Project::SetName(std::string name) {
mName = std::move(name);
}
Json::Value Project::Serialize() {
Json::Value root(Json::objectValue);
root["Name"] = mName;
return root;
}
template <class T>
static void WriteItemList(ItemList<T>& list, const fs::path& filePath) {
std::ofstream ofs(filePath);
ofs << list.Serialize();
}
void Project::WriteToDisk() {
std::ofstream ofs(mRootPath / "cplt_project.json");
ofs << this->Serialize();
auto itemsDir = mRootPath / "items";
fs::create_directories(itemsDir);
WriteItemList(Products, itemsDir / "products.json");
WriteItemList(Factories, itemsDir / "factories.json");
WriteItemList(Customers, itemsDir / "customers.json");
}
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