autoprop_json.cpp

#include <iostream>
#include "json.hpp"
#include "autoprop.hpp"

using namespace mpapierski;
using json = nlohmann::json;

class Person : public AutoProp<Person> {
public:
  AUTOPROP_BEGIN(Person);
  std::string AUTOPROP(first_name);
  std::string AUTOPROP(last_name);
  int AUTOPROP(age);
  AUTOPROP_END(Person);
};

template <typename T>
json to_json(AutoProp<T>& obj) {
    json j;
    obj.forEach([&](auto &&key, auto &&value) { j[key] = value; });
    return j;
}

template <typename T>
T from_json(json j) {
    T obj;
    obj.forEach([&](auto &&key, auto&& value) {
        obj.set(key, j[key]);
    });
    return obj;
}

int main() {
    Person person;
    person.first_name = "Jan";
    person.last_name = "Kowalski";
    person.age = 30;
    auto serialized = to_json(person);
    std::cout << serialized << '\n';
    Person person2 = from_json<Person>(serialized);
    std::cout << person2.first_name << "," << person2.last_name << "," << person2.age << '\n';
}