84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
//
|
|
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
#pragma once
|
|
|
|
#include "td/utils/common.h"
|
|
#include "td/utils/StringBuilder.h"
|
|
|
|
#include <functional>
|
|
#include <type_traits>
|
|
|
|
namespace td {
|
|
|
|
class UserId {
|
|
int32 id = 0;
|
|
|
|
public:
|
|
UserId() = default;
|
|
|
|
explicit UserId(int32 user_id) : id(user_id) {
|
|
}
|
|
template <class T, typename = std::enable_if_t<std::is_convertible<T, int32>::value>>
|
|
UserId(T user_id) = delete;
|
|
|
|
static vector<UserId> get_user_ids(const vector<int32> &input_user_ids) {
|
|
vector<UserId> user_ids;
|
|
user_ids.reserve(input_user_ids.size());
|
|
for (auto &input_user_id : input_user_ids) {
|
|
user_ids.emplace_back(input_user_id);
|
|
}
|
|
return user_ids;
|
|
}
|
|
|
|
static vector<int32> get_input_user_ids(const vector<UserId> &user_ids) {
|
|
vector<int32> input_user_ids;
|
|
input_user_ids.reserve(user_ids.size());
|
|
for (auto &user_id : user_ids) {
|
|
input_user_ids.emplace_back(user_id.get());
|
|
}
|
|
return input_user_ids;
|
|
}
|
|
|
|
bool is_valid() const {
|
|
return id > 0;
|
|
}
|
|
|
|
int32 get() const {
|
|
return id;
|
|
}
|
|
|
|
bool operator==(const UserId &other) const {
|
|
return id == other.id;
|
|
}
|
|
|
|
bool operator!=(const UserId &other) const {
|
|
return id != other.id;
|
|
}
|
|
|
|
template <class StorerT>
|
|
void store(StorerT &storer) const {
|
|
storer.store_int(id);
|
|
}
|
|
|
|
template <class ParserT>
|
|
void parse(ParserT &parser) {
|
|
id = parser.fetch_int();
|
|
}
|
|
};
|
|
|
|
struct UserIdHash {
|
|
std::size_t operator()(UserId user_id) const {
|
|
return std::hash<int32>()(user_id.get());
|
|
}
|
|
};
|
|
|
|
inline StringBuilder &operator<<(StringBuilder &string_builder, UserId user_id) {
|
|
return string_builder << "user " << user_id.get();
|
|
}
|
|
|
|
} // namespace td
|