132 lines
3.6 KiB
C++
132 lines
3.6 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/DialogFilterId.h"
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#include "td/telegram/FolderId.h"
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#include "td/telegram/td_api.h"
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#include "td/utils/common.h"
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#include "td/utils/StringBuilder.h"
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#include <functional>
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#include <limits>
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#include <type_traits>
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namespace td {
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class DialogListId {
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int64 id = 0;
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static constexpr int64 FILTER_ID_SHIFT = static_cast<int64>(1) << 32;
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public:
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DialogListId() = default;
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explicit DialogListId(int64 dialog_list_id) : id(dialog_list_id) {
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}
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template <class T, typename = std::enable_if_t<std::is_convertible<T, int32>::value>>
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DialogListId(T dialog_list_id) = delete;
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explicit DialogListId(DialogFilterId dialog_filter_id) : id(dialog_filter_id.get() + FILTER_ID_SHIFT) {
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}
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explicit DialogListId(FolderId folder_id) : id(folder_id.get()) {
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}
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explicit DialogListId(const td_api::object_ptr<td_api::ChatList> &chat_list) {
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if (chat_list == nullptr) {
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CHECK(id == FolderId::main().get());
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return;
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}
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switch (chat_list->get_id()) {
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case td_api::chatListArchive::ID:
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id = FolderId::archive().get();
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break;
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case td_api::chatListMain::ID:
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CHECK(id == FolderId::main().get());
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break;
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case td_api::chatListFilter::ID: {
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DialogFilterId filter_id(static_cast<const td_api::chatListFilter *>(chat_list.get())->chat_filter_id_);
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if (filter_id.is_valid()) {
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*this = DialogListId(filter_id);
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}
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break;
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}
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default:
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UNREACHABLE();
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break;
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}
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}
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td_api::object_ptr<td_api::ChatList> get_chat_list_object() const {
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if (is_folder()) {
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auto folder_id = get_folder_id();
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if (folder_id == FolderId::archive()) {
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return td_api::make_object<td_api::chatListArchive>();
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}
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if (folder_id == FolderId::main()) {
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return td_api::make_object<td_api::chatListMain>();
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}
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return td_api::make_object<td_api::chatListMain>();
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}
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if (is_filter()) {
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return td_api::make_object<td_api::chatListFilter>(get_filter_id().get());
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}
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UNREACHABLE();
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return nullptr;
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}
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int64 get() const {
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return id;
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}
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bool operator==(const DialogListId &other) const {
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return id == other.id;
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}
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bool operator!=(const DialogListId &other) const {
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return id != other.id;
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}
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bool is_folder() const {
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return std::numeric_limits<int32>::min() <= id && id <= std::numeric_limits<int32>::max();
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}
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bool is_filter() const {
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return std::numeric_limits<int32>::min() + FILTER_ID_SHIFT <= id &&
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id <= std::numeric_limits<int32>::max() + FILTER_ID_SHIFT;
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}
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FolderId get_folder_id() const {
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CHECK(is_folder());
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return FolderId(static_cast<int32>(id));
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}
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DialogFilterId get_filter_id() const {
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CHECK(is_filter());
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return DialogFilterId(static_cast<int32>(id - FILTER_ID_SHIFT));
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}
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};
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struct DialogListIdHash {
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std::size_t operator()(DialogListId dialog_list_id) const {
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return std::hash<int64>()(dialog_list_id.get());
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}
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};
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inline StringBuilder &operator<<(StringBuilder &string_builder, DialogListId dialog_list_id) {
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if (dialog_list_id.is_folder()) {
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return string_builder << "chat list " << dialog_list_id.get_folder_id();
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}
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if (dialog_list_id.is_filter()) {
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return string_builder << "chat list " << dialog_list_id.get_filter_id();
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}
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return string_builder << "chat list " << dialog_list_id.get();
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}
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} // namespace td
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