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module;
#include <boost/beast/http/message.hpp>
#include <boost/json.hpp>
#include <boost/locale/message.hpp>
export module routemon:problem;
import std;
import :locale;
namespace http = boost::beast::http;
namespace json = boost::json;
namespace routemon::problem {
export struct details
{
http::status status;
blocale::message title;
std::string_view type_uri;
std::optional<blocale::message> detail = std::nullopt;
std::optional<std::string> instance = std::nullopt;
auto set_detail(blocale::message detail) -> details&
{
this->detail = detail;
return *this;
}
auto set_instance(std::string&& instance) -> details&
{
this->instance = instance;
return *this;
}
auto set_instance(std::string_view instance) -> details&
{
this->instance = std::string{instance};
return *this;
}
};
export auto tag_invoke(
json::value_from_tag, json::value& jv, details const& details,
std::locale locale) -> void
{
auto obj = json::object{
{"type", details.type_uri},
{"title", details.title.str(locale)},
{"status", static_cast<unsigned>(details.status)},
};
if (details.detail)
obj["detail"] = details.detail->str(locale);
if (details.instance)
obj["instance"] = *details.instance;
jv = obj;
}
export struct tpl
{
http::status status;
blocale::message title;
std::string_view type_uri;
auto instantiate() const -> details
{
return details{status, title, type_uri};
}
};
} // namespace routemon::problem
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