278 lines
8.0 KiB
C++
278 lines
8.0 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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#include "td/telegram/RecentDialogList.h"
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#include "td/telegram/AccessRights.h"
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#include "td/telegram/ContactsManager.h"
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#include "td/telegram/DialogListId.h"
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#include "td/telegram/FolderId.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/MessagesManager.h"
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#include "td/telegram/Td.h"
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#include "td/telegram/td_api.h"
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#include "td/telegram/TdDb.h"
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#include "td/telegram/TdParameters.h"
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#include "td/actor/MultiPromise.h"
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#include "td/utils/algorithm.h"
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#include "td/utils/misc.h"
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#include "td/utils/Slice.h"
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#include "td/utils/SliceBuilder.h"
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#include <algorithm>
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namespace td {
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RecentDialogList::RecentDialogList(Td *td, const char *name, size_t max_size)
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: td_(td), name_(name), max_size_(max_size) {
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register_actor(PSLICE() << name << "_chats", this).release();
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}
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string RecentDialogList::get_binlog_key() const {
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return PSTRING() << name_ << "_dialog_usernames_and_ids";
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}
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void RecentDialogList::save_dialogs() const {
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if (!is_loaded_) {
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return;
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}
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CHECK(removed_dialog_ids_.empty());
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SliceBuilder sb;
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for (auto &dialog_id : dialog_ids_) {
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sb << ',';
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if (!G()->parameters().use_chat_info_db) {
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// if there is no dialog info database, prefer to save dialogs by username
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string username;
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switch (dialog_id.get_type()) {
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case DialogType::User:
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if (!td_->contacts_manager_->is_user_contact(dialog_id.get_user_id())) {
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username = td_->contacts_manager_->get_user_username(dialog_id.get_user_id());
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}
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break;
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case DialogType::Chat:
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break;
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case DialogType::Channel:
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username = td_->contacts_manager_->get_channel_username(dialog_id.get_channel_id());
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break;
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case DialogType::SecretChat:
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break;
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case DialogType::None:
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default:
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UNREACHABLE();
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}
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if (!username.empty() && username.find(',') == string::npos) {
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sb << '@' << username;
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continue;
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}
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}
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sb << dialog_id.get();
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}
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auto result = sb.as_cslice();
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if (!result.empty()) {
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result.remove_prefix(1);
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}
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G()->td_db()->get_binlog_pmc()->set(get_binlog_key(), result.str());
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}
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void RecentDialogList::load_dialogs(Promise<Unit> &&promise) {
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if (is_loaded_) {
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return promise.set_value(Unit());
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}
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load_list_queries_.push_back(std::move(promise));
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if (load_list_queries_.size() != 1) {
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return;
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}
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auto found_dialogs = full_split(G()->td_db()->get_binlog_pmc()->get(get_binlog_key()), ',');
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MultiPromiseActorSafe mpas{"LoadRecentDialogListMultiPromiseActor"};
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mpas.add_promise(PromiseCreator::lambda([actor_id = actor_id(this), found_dialogs](Unit) mutable {
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send_closure(actor_id, &RecentDialogList::on_load_dialogs, std::move(found_dialogs));
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}));
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mpas.set_ignore_errors(true);
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auto lock = mpas.get_promise();
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vector<DialogId> dialog_ids;
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for (auto &found_dialog : found_dialogs) {
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if (found_dialog[0] == '@') {
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td_->messages_manager_->search_public_dialog(found_dialog, false, mpas.get_promise());
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} else {
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dialog_ids.push_back(DialogId(to_integer<int64>(found_dialog)));
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}
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}
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if (!dialog_ids.empty()) {
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if (G()->parameters().use_chat_info_db) {
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td_->messages_manager_->load_dialogs(
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std::move(dialog_ids),
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PromiseCreator::lambda(
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[promise = mpas.get_promise()](vector<DialogId> dialog_ids) mutable { promise.set_value(Unit()); }));
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} else {
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td_->messages_manager_->get_dialogs_from_list(
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DialogListId(FolderId::main()), 102,
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PromiseCreator::lambda([promise = mpas.get_promise()](td_api::object_ptr<td_api::chats> &&chats) mutable {
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promise.set_value(Unit());
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}));
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td_->contacts_manager_->search_contacts("", 1, mpas.get_promise());
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}
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}
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lock.set_value(Unit());
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}
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void RecentDialogList::on_load_dialogs(vector<string> &&found_dialogs) {
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auto promises = std::move(load_list_queries_);
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CHECK(!promises.empty());
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if (G()->close_flag()) {
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for (auto &promise : promises) {
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promise.set_error(Global::request_aborted_error());
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}
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return;
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}
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auto newly_found_dialogs = std::move(dialog_ids_);
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reset_to_empty(dialog_ids_);
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for (auto it = found_dialogs.rbegin(); it != found_dialogs.rend(); ++it) {
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DialogId dialog_id;
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if ((*it)[0] == '@') {
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dialog_id = td_->messages_manager_->resolve_dialog_username(it->substr(1));
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} else {
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dialog_id = DialogId(to_integer<int64>(*it));
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}
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if (dialog_id.is_valid() && removed_dialog_ids_.count(dialog_id) == 0 &&
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td_->messages_manager_->have_dialog_info(dialog_id) &&
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td_->messages_manager_->have_input_peer(dialog_id, AccessRights::Read)) {
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td_->messages_manager_->force_create_dialog(dialog_id, "recent dialog");
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do_add_dialog(dialog_id);
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}
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}
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for (auto it = newly_found_dialogs.rbegin(); it != newly_found_dialogs.rend(); ++it) {
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do_add_dialog(*it);
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}
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is_loaded_ = true;
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removed_dialog_ids_.clear();
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if (!newly_found_dialogs.empty()) {
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save_dialogs();
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}
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for (auto &promise : promises) {
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promise.set_value(Unit());
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}
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}
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void RecentDialogList::add_dialog(DialogId dialog_id) {
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if (!is_loaded_) {
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load_dialogs(Promise<Unit>());
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}
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if (do_add_dialog(dialog_id)) {
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save_dialogs();
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}
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}
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bool RecentDialogList::do_add_dialog(DialogId dialog_id) {
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if (!dialog_ids_.empty() && dialog_ids_[0] == dialog_id) {
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return false;
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}
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// TODO create function
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auto it = std::find(dialog_ids_.begin(), dialog_ids_.end(), dialog_id);
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if (it == dialog_ids_.end()) {
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if (dialog_ids_.size() == max_size_) {
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CHECK(!dialog_ids_.empty());
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dialog_ids_.back() = dialog_id;
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} else {
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dialog_ids_.push_back(dialog_id);
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}
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it = dialog_ids_.end() - 1;
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}
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std::rotate(dialog_ids_.begin(), it, it + 1);
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removed_dialog_ids_.erase(dialog_id);
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return true;
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}
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void RecentDialogList::remove_dialog(DialogId dialog_id) {
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if (!is_loaded_) {
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load_dialogs(Promise<Unit>());
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}
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if (td::remove(dialog_ids_, dialog_id)) {
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save_dialogs();
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} else if (!is_loaded_) {
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removed_dialog_ids_.insert(dialog_id);
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}
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}
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void RecentDialogList::update_dialogs() {
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CHECK(is_loaded_);
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vector<DialogId> dialog_ids;
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for (auto dialog_id : dialog_ids_) {
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if (!td_->messages_manager_->have_dialog(dialog_id)) {
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continue;
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}
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switch (dialog_id.get_type()) {
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case DialogType::User:
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// always keep
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break;
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case DialogType::Chat: {
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auto channel_id = td_->contacts_manager_->get_chat_migrated_to_channel_id(dialog_id.get_chat_id());
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if (channel_id.is_valid() && td_->messages_manager_->have_dialog(DialogId(channel_id))) {
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dialog_id = DialogId(channel_id);
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}
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break;
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}
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case DialogType::Channel:
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// always keep
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break;
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case DialogType::SecretChat:
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if (td_->messages_manager_->is_deleted_secret_chat(dialog_id)) {
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dialog_id = DialogId();
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}
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break;
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case DialogType::None:
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default:
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UNREACHABLE();
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break;
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}
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if (dialog_id.is_valid()) {
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dialog_ids.push_back(dialog_id);
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}
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}
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if (dialog_ids != dialog_ids_) {
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dialog_ids_ = std::move(dialog_ids);
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save_dialogs();
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}
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}
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std::pair<int32, vector<DialogId>> RecentDialogList::get_dialogs(int32 limit, Promise<Unit> &&promise) {
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load_dialogs(std::move(promise));
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if (!is_loaded_) {
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return {};
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}
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update_dialogs();
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CHECK(limit >= 0);
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auto total_count = narrow_cast<int32>(dialog_ids_.size());
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return {total_count, vector<DialogId>(dialog_ids_.begin(), dialog_ids_.begin() + min(limit, total_count))};
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}
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void RecentDialogList::clear_dialogs() {
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if (dialog_ids_.empty() && is_loaded_) {
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return;
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}
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is_loaded_ = true;
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dialog_ids_.clear();
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removed_dialog_ids_.clear();
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save_dialogs();
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}
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} // namespace td
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