155 lines
4.4 KiB
C++
155 lines
4.4 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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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/MessageId.h"
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#include "td/telegram/net/NetQuery.h"
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#include "td/telegram/PollId.h"
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#include "td/telegram/td_api.h"
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#include "td/telegram/telegram_api.h"
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#include "td/actor/actor.h"
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#include "td/actor/PromiseFuture.h"
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#include "td/utils/common.h"
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#include <unordered_map>
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#include <unordered_set>
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namespace td {
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struct BinlogEvent;
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class Td;
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class PollManager : public Actor {
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public:
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PollManager(Td *td, ActorShared<> parent);
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PollManager(const PollManager &) = delete;
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PollManager &operator=(const PollManager &) = delete;
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PollManager(PollManager &&) = delete;
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PollManager &operator=(PollManager &&) = delete;
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~PollManager() override;
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PollId create_poll(string &&question, vector<string> &&options);
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void register_poll(PollId poll_id, FullMessageId full_message_id);
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void unregister_poll(PollId poll_id, FullMessageId full_message_id);
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bool get_poll_is_closed(PollId poll_id) const;
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void set_poll_answer(PollId poll_id, FullMessageId full_message_id, vector<int32> &&option_ids,
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Promise<Unit> &&promise);
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void stop_poll(PollId poll_id, FullMessageId full_message_id, Promise<Unit> &&promise);
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void stop_local_poll(PollId poll_id);
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tl_object_ptr<telegram_api::InputMedia> get_input_media(PollId poll_id) const;
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PollId on_get_poll(PollId poll_id, tl_object_ptr<telegram_api::poll> &&poll_server,
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tl_object_ptr<telegram_api::pollResults> &&poll_results);
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td_api::object_ptr<td_api::poll> get_poll_object(PollId poll_id) const;
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void on_binlog_events(vector<BinlogEvent> &&events);
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template <class StorerT>
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void store_poll(PollId poll_id, StorerT &storer) const;
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template <class ParserT>
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PollId parse_poll(ParserT &parser);
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private:
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struct PollOption {
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string text;
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string data;
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int32 voter_count = 0;
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bool is_chosen = false;
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template <class StorerT>
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void store(StorerT &storer) const;
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template <class ParserT>
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void parse(ParserT &parser);
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};
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struct Poll {
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string question;
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vector<PollOption> options;
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int32 total_voter_count = 0;
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bool is_closed = false;
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template <class StorerT>
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void store(StorerT &storer) const;
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template <class ParserT>
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void parse(ParserT &parser);
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};
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class SetPollAnswerLogEvent;
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class StopPollLogEvent;
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void tear_down() override;
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static bool is_local_poll_id(PollId poll_id);
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static td_api::object_ptr<td_api::pollOption> PollManager::get_poll_option_object(const PollOption &poll_option);
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static telegram_api::object_ptr<telegram_api::pollAnswer> get_input_poll_option(const PollOption &poll_option);
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static vector<PollOption> get_poll_options(vector<tl_object_ptr<telegram_api::pollAnswer>> &&poll_options);
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bool have_poll(PollId poll_id) const;
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bool have_poll_force(PollId poll_id);
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const Poll *get_poll(PollId poll_id) const;
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Poll *get_poll_editable(PollId poll_id);
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void notify_on_poll_update(PollId poll_id);
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static string get_poll_database_key(PollId poll_id);
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void save_poll(const Poll *poll, PollId poll_id);
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void on_load_poll_from_database(PollId poll_id, string value);
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Poll *get_poll_force(PollId poll_id);
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void do_set_poll_answer(PollId poll_id, FullMessageId full_message_id, vector<string> &&options, uint64 logevent_id,
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Promise<Unit> &&promise);
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void on_set_poll_answer(PollId poll_id, uint64 generation, Result<Unit> &&result);
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void do_stop_poll(PollId poll_id, FullMessageId full_message_id, uint64 logevent_id, Promise<Unit> &&promise);
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Td *td_;
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ActorShared<> parent_;
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std::unordered_map<PollId, unique_ptr<Poll>, PollIdHash> polls_;
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std::unordered_map<PollId, std::unordered_set<FullMessageId, FullMessageIdHash>, PollIdHash> poll_messages_;
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struct PendingPollAnswer {
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vector<string> options_;
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vector<Promise<Unit>> promises_;
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uint64 generation_ = 0;
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uint64 logevent_id_ = 0;
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NetQueryRef query_ref_;
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};
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std::unordered_map<PollId, PendingPollAnswer, PollIdHash> pending_answers_;
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int64 current_local_poll_id_ = 0;
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uint64 current_generation_ = 0;
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std::unordered_set<PollId, PollIdHash> loaded_from_database_polls_;
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};
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} // namespace td
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