60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
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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/DialogId.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_set>
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#include <utility>
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namespace td {
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class Td;
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// stores list of Dialog identifiers of a limited size
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class RecentDialogList final : public Actor {
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public:
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RecentDialogList(Td *td, const char *name, size_t max_size);
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void add_dialog(DialogId dialog_id);
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void remove_dialog(DialogId dialog_id);
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std::pair<int32, vector<DialogId>> get_dialogs(int32 limit, Promise<Unit> &&promise);
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void clear_dialogs();
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private:
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Td *td_;
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const char *name_;
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size_t max_size_;
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vector<DialogId> dialog_ids_;
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std::unordered_set<DialogId, DialogIdHash> removed_dialog_ids_;
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bool is_loaded_ = false;
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vector<Promise<Unit>> load_list_queries_;
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void load_dialogs(Promise<Unit> &&promise);
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void on_load_dialogs(vector<string> &&found_dialogs);
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bool do_add_dialog(DialogId dialog_id);
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string get_binlog_key() const;
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void update_dialogs();
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void save_dialogs() const;
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};
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} // namespace td
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