1 // 2 // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021 3 // 4 // Distributed under the Boost Software License, Version 1.0. (See accompanying 5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 6 // 7 #pragma once 8 9 #include "td/telegram/ChannelId.h" 10 #include "td/telegram/ChatId.h" 11 #include "td/telegram/SecretChatId.h" 12 #include "td/telegram/telegram_api.h" 13 #include "td/telegram/UserId.h" 14 15 #include "td/utils/common.h" 16 #include "td/utils/StringBuilder.h" 17 18 #include <functional> 19 #include <type_traits> 20 21 namespace td { 22 23 enum class DialogType : int32 { None, User, Chat, Channel, SecretChat }; 24 25 class DialogId { 26 static constexpr int64 ZERO_SECRET_CHAT_ID = -2000000000000ll; 27 static constexpr int64 ZERO_CHANNEL_ID = -1000000000000ll; 28 29 int64 id = 0; 30 31 static int64 get_peer_id(const tl_object_ptr<telegram_api::Peer> &peer); 32 33 public: 34 DialogId() = default; 35 DialogId(int64 dialog_id)36 explicit DialogId(int64 dialog_id) : id(dialog_id) { 37 } 38 template <class T, typename = std::enable_if_t<std::is_convertible<T, int64>::value>> 39 DialogId(T dialog_id) = delete; 40 41 explicit DialogId(const tl_object_ptr<telegram_api::DialogPeer> &dialog_peer); 42 explicit DialogId(const tl_object_ptr<telegram_api::Peer> &peer); 43 explicit DialogId(UserId user_id); 44 explicit DialogId(ChatId chat_id); 45 explicit DialogId(ChannelId channel_id); 46 explicit DialogId(SecretChatId secret_chat_id); 47 get()48 int64 get() const { 49 return id; 50 } 51 52 bool operator==(const DialogId &other) const { 53 return id == other.id; 54 } 55 56 bool operator!=(const DialogId &other) const { 57 return id != other.id; 58 } 59 60 bool is_valid() const; 61 62 DialogType get_type() const; 63 64 UserId get_user_id() const; 65 ChatId get_chat_id() const; 66 ChannelId get_channel_id() const; 67 SecretChatId get_secret_chat_id() const; 68 69 template <class StorerT> store(StorerT & storer)70 void store(StorerT &storer) const { 71 storer.store_long(id); 72 } 73 74 template <class ParserT> parse(ParserT & parser)75 void parse(ParserT &parser) { 76 id = parser.fetch_long(); 77 } 78 }; 79 80 struct DialogIdHash { operatorDialogIdHash81 std::size_t operator()(DialogId dialog_id) const { 82 return std::hash<int64>()(dialog_id.get()); 83 } 84 }; 85 86 inline StringBuilder &operator<<(StringBuilder &string_builder, DialogId dialog_id) { 87 return string_builder << "chat " << dialog_id.get(); 88 } 89 90 } // namespace td 91