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tdlib-fork/td/telegram/PollManager.h
levlam f6a3e9037f Add vote percentage to poll options.
GitOrigin-RevId: e53ba947dc781a8db031f06bd69d03b9b9956f77
2019-03-05 23:21:10 +03:00

174 lines
4.9 KiB
C++

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