// // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023 // // 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/telegram/td_api.h" #include "td/telegram/telegram_api.h" #include "td/telegram/UserId.h" #include "td/utils/common.h" #include "td/utils/StringBuilder.h" namespace td { class ContactsManager; class MessageViewer { UserId user_id_; int32 date_ = 0; friend StringBuilder &operator<<(StringBuilder &string_builder, const MessageViewer &viewer); friend bool operator==(const MessageViewer &lhs, const MessageViewer &rhs); public: explicit MessageViewer(telegram_api::object_ptr<telegram_api::readParticipantDate> &&read_date); MessageViewer(UserId user_id, int32 date) : user_id_(user_id), date_(td::max(date, static_cast<int32>(0))) { } UserId get_user_id() const { return user_id_; } bool is_empty() const { return user_id_ == UserId() && date_ == 0; } td_api::object_ptr<td_api::messageViewer> get_message_viewer_object(ContactsManager *contacts_manager) const; }; bool operator==(const MessageViewer &lhs, const MessageViewer &rhs); bool operator!=(const MessageViewer &lhs, const MessageViewer &rhs); StringBuilder &operator<<(StringBuilder &string_builder, const MessageViewer &viewer); class MessageViewers { vector<MessageViewer> message_viewers_; friend StringBuilder &operator<<(StringBuilder &string_builder, const MessageViewers &viewers); public: MessageViewers() = default; explicit MessageViewers(vector<telegram_api::object_ptr<telegram_api::storyView>> &&story_views); explicit MessageViewers(vector<telegram_api::object_ptr<telegram_api::readParticipantDate>> &&read_dates); bool is_empty() const { return message_viewers_.empty(); } MessageViewers get_sublist(const MessageViewer &offset, int32 limit) const; void add_sublist(const MessageViewer &offset, const MessageViewers &sublist); vector<UserId> get_user_ids() const; td_api::object_ptr<td_api::messageViewers> get_message_viewers_object(ContactsManager *contacts_manager) const; }; StringBuilder &operator<<(StringBuilder &string_builder, const MessageViewers &viewers); } // namespace td