user_id.hpp

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#pragma once
 
/// @file userver/server/auth/user_id.hpp
/// @brief @copybrief server::auth::UserId
 
#include <cstdint>
#include <iosfwd>
#include <string>
#include <vector>
 
#include <userver/formats/parse/to.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace logging {
class LogHelper;
}
 
namespace server::auth {
 
/// @brief Strongly typed user identifier (uid)
///
/// Type that represents a yandex uid and has all the comparison and hashing
/// operators. It is not implicitly convertible to/from integers and provides
/// better type safety.
enum class UserId : std::uint64_t {};
 
using UserIds = std::vector<UserId>;
 
template <class Value>
UserId Parse(const Value& v, formats::parse::To<UserId>) {
    return UserId{v.template As<std::uint64_t>()};
}
 
inline std::uint64_t ToUInt64(UserId v) noexcept { return static_cast<std::uint64_t>(v); }
 
std::string ToString(UserId v);
 
template <class Char>
std::basic_ostream<Char>& operator<<(std::basic_ostream<Char>& os, UserId v) {
    return os << ToUInt64(v);
}
 
// Optimized output for LogHelper
logging::LogHelper& operator<<(logging::LogHelper& os, UserId v);
 
}  // namespace server::auth
 
USERVER_NAMESPACE_END