tdlight/td/telegram/ChannelId.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// 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 <ctime>
#include <functional>
#include <type_traits>
namespace td {
class ChannelId {
int32 id = 0;
int64 time_ = INT64_MAX;
public:
ChannelId() = default;
explicit ChannelId(int32 channel_id) : id(channel_id) {
}
template <class T, typename = std::enable_if_t<std::is_convertible<T, int32>::value>>
ChannelId(T channel_id) = delete;
bool is_valid() const {
return id > 0; // TODO better is_valid
}
int32 get() const {
return id;
}
void set_time() {
time_ = std::time(nullptr);
}
int64 get_time() const {
return time_;
}
void reset_time() {
time_ = INT64_MAX;
}
bool operator==(const ChannelId &other) const {
return id == other.id;
}
bool operator!=(const ChannelId &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 ChannelIdHash {
std::size_t operator()(ChannelId channel_id) const {
return std::hash<int32>()(channel_id.get());
}
};
inline StringBuilder &operator<<(StringBuilder &string_builder, ChannelId channel_id) {
return string_builder << "supergroup " << channel_id.get();
}
} // namespace td