75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/telegram/Version.h"
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#include "td/utils/common.h"
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#include "td/utils/HashTableUtils.h"
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#include "td/utils/StringBuilder.h"
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#include <type_traits>
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namespace td {
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class ChannelId {
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int64 id = 0;
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public:
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// the last (1 << 31) - 1 identifiers will be used for secret chat dialog identifiers
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static constexpr int64 MAX_CHANNEL_ID = 1000000000000ll - (1ll << 31);
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ChannelId() = default;
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explicit constexpr ChannelId(int64 channel_id) : id(channel_id) {
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}
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template <class T, typename = std::enable_if_t<std::is_convertible<T, int64>::value>>
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ChannelId(T channel_id) = delete;
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bool is_valid() const {
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return 0 < id && id < MAX_CHANNEL_ID;
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}
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int64 get() const {
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return id;
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}
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bool operator==(const ChannelId &other) const {
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return id == other.id;
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}
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bool operator!=(const ChannelId &other) const {
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return id != other.id;
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}
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template <class StorerT>
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void store(StorerT &storer) const {
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storer.store_long(id);
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}
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template <class ParserT>
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void parse(ParserT &parser) {
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if (parser.version() >= static_cast<int32>(Version::Support64BitIds)) {
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id = parser.fetch_long();
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} else {
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id = parser.fetch_int();
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}
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}
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};
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struct ChannelIdHash {
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uint32 operator()(ChannelId channel_id) const {
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return Hash<int64>()(channel_id.get());
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}
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};
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inline StringBuilder &operator<<(StringBuilder &string_builder, ChannelId channel_id) {
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return string_builder << "supergroup " << channel_id.get();
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}
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} // namespace td
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