LoadWarning.hpp

#pragma once
 
#include "rpc/Errors.hpp"
 
#include <boost/json/array.hpp>
#include <boost/json/object.hpp>
#include <boost/json/parse.hpp>
#include <boost/system/error_code.hpp>
#include <rpcspec/backends/BoostJson.hpp>
 
#include <optional>
#include <string_view>
 
namespace web {

inline std::optional<boost::json::object>
withLoadWarning(std::string_view message)
{
    boost::system::error_code ec;
    auto const parsed = boost::json::parse(message, ec);
    if (ec.failed() or not parsed.is_object())
        return std::nullopt;
 
    auto jsonResponse = parsed.as_object();
    jsonResponse["warning"] = "load";
 
    if (jsonResponse.contains("warnings") and jsonResponse["warnings"].is_array()) {
        jsonResponse["warnings"].as_array().push_back(
            rpc::makeWarning(rpc::WarningCode::WarnRpcRateLimit)
        );
    } else {
        jsonResponse["warnings"] =
            boost::json::array{rpc::makeWarning(rpc::WarningCode::WarnRpcRateLimit)};
    }
 
    return jsonResponse;
}
 
}  // namespace web