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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2026
//
// 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)
//
#include "td/telegram/MessageReplyInfo.h"
#include "td/telegram/ChatManager.h"
#include "td/telegram/DialogManager.h"
#include "td/telegram/MessageSender.h"
#include "td/telegram/ServerMessageId.h"
#include "td/telegram/Td.h"
#include "td/utils/algorithm.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
namespace td {
MessageReplyInfo::MessageReplyInfo(Td *td, tl_object_ptr<telegram_api::messageReplies> &&reply_info, bool is_bot) {
if (reply_info == nullptr) {
return;
}
if (reply_info->replies_ < 0) {
LOG(ERROR) << "Receive wrong " << to_string(reply_info);
return;
}
if (is_bot || reply_info->channel_id_ == 777) {
is_dropped_ = true;
return;
}
reply_count_ = reply_info->replies_;
pts_ = reply_info->replies_pts_;
is_comment_ = reply_info->comments_;
if (is_comment_) {
channel_id_ = ChannelId(reply_info->channel_id_);
if (!channel_id_.is_valid()) {
LOG(ERROR) << "Receive invalid " << channel_id_;
channel_id_ = ChannelId();
is_comment_ = false;
}
}
if (is_comment_) {
for (const auto &peer : reply_info->recent_repliers_) {
DialogId dialog_id(peer);
if (td::contains(recent_replier_dialog_ids_, dialog_id)) {
LOG(ERROR) << "Receive duplicate " << dialog_id << " as a recent replier";
continue;
}
if (!check_min_message_sender(td, dialog_id, replier_min_channels_)) {
continue;
}
recent_replier_dialog_ids_.push_back(dialog_id);
if (recent_replier_dialog_ids_.size() == MAX_RECENT_REPLIERS) {
break;
}
}
}
if (ServerMessageId(reply_info->max_id_).is_valid()) {
max_message_id_ = MessageId(ServerMessageId(reply_info->max_id_));
}
if (ServerMessageId(reply_info->read_max_id_).is_valid()) {
last_read_inbox_message_id_ = MessageId(ServerMessageId(reply_info->read_max_id_));
}
if (last_read_inbox_message_id_ > max_message_id_) { // possible if last thread message was deleted after it was read
max_message_id_ = last_read_inbox_message_id_;
}
LOG(DEBUG) << "Parsed " << oneline(to_string(reply_info)) << " to " << *this;
}
bool MessageReplyInfo::need_update_to(const MessageReplyInfo &other) const {
if (other.is_empty() && !is_empty()) {
// ignore updates to empty reply info, because we will hide the info ourselves
// return true;
}
if (other.is_comment_ != is_comment_ && !other.was_dropped()) {
LOG(ERROR) << "Reply info has changed from " << *this << " to " << other;
return true;
}
if (other.pts_ < pts_ && !other.was_dropped()) {
return false;
}
return reply_count_ != other.reply_count_ || recent_replier_dialog_ids_ != other.recent_replier_dialog_ids_ ||
replier_min_channels_.size() != other.replier_min_channels_.size() || is_comment_ != other.is_comment_ ||
channel_id_ != other.channel_id_;
}
bool MessageReplyInfo::update_max_message_ids(const MessageReplyInfo &other) {
return update_max_message_ids(other.max_message_id_, other.last_read_inbox_message_id_,
other.last_read_outbox_message_id_);
}
bool MessageReplyInfo::update_max_message_ids(MessageId other_max_message_id,
MessageId other_last_read_inbox_message_id,
MessageId other_last_read_outbox_message_id) {
bool result = false;
if (other_last_read_inbox_message_id > last_read_inbox_message_id_) {
last_read_inbox_message_id_ = other_last_read_inbox_message_id;
result = true;
}
if (other_last_read_outbox_message_id > last_read_outbox_message_id_) {
last_read_outbox_message_id_ = other_last_read_outbox_message_id;
result = true;
}
if (other_max_message_id.is_valid() ||
(!other_last_read_inbox_message_id.is_valid() && !other_last_read_outbox_message_id.is_valid())) {
if (other_max_message_id < last_read_inbox_message_id_) {
other_max_message_id = last_read_inbox_message_id_;
}
if (other_max_message_id < last_read_outbox_message_id_) {
other_max_message_id = last_read_outbox_message_id_;
}
if (other_max_message_id != max_message_id_) {
max_message_id_ = other_max_message_id;
result = true;
}
}
return result;
}
bool MessageReplyInfo::add_reply(DialogId replier_dialog_id, MessageId reply_message_id, int diff) {
CHECK(!is_empty());
CHECK(diff == +1 || diff == -1);
if (diff == -1 && reply_count_ == 0) {
return false;
}
reply_count_ += diff;
if (is_comment_ && replier_dialog_id.is_valid()) {
if (replier_dialog_id.get_type() == DialogType::Channel) {
// the replier_dialog_id is never min, because it is the sender of a message
for (auto it = replier_min_channels_.begin(); it != replier_min_channels_.end(); ++it) {
if (it->first == replier_dialog_id.get_channel_id()) {
replier_min_channels_.erase(it);
break;
}
}
}
if (diff > 0) {
add_to_top(recent_replier_dialog_ids_, MAX_RECENT_REPLIERS, replier_dialog_id);
} else {
td::remove(recent_replier_dialog_ids_, replier_dialog_id);
auto max_repliers = static_cast<size_t>(reply_count_);
if (recent_replier_dialog_ids_.size() > max_repliers) {
recent_replier_dialog_ids_.resize(max_repliers);
}
}
}
if (diff > 0 && reply_message_id > max_message_id_) {
max_message_id_ = reply_message_id;
}
return true;
}
bool MessageReplyInfo::need_reget(const Td *td) const {
for (auto &dialog_id : recent_replier_dialog_ids_) {
if (dialog_id.get_type() != DialogType::User && !td->dialog_manager_->have_dialog_info(dialog_id)) {
if (dialog_id.get_type() == DialogType::Channel &&
td->chat_manager_->have_min_channel(dialog_id.get_channel_id())) {
return false;
}
LOG(INFO) << "Reget a message because of replied " << dialog_id;
return true;
}
}
return false;
}
td_api::object_ptr<td_api::messageReplyInfo> MessageReplyInfo::get_message_reply_info_object(
Td *td, MessageId dialog_last_read_inbox_message_id) const {
if (is_empty()) {
return nullptr;
}
auto recent_repliers =
get_min_message_senders_object(td, recent_replier_dialog_ids_, "get_message_reply_info_object");
auto last_read_inbox_message_id = last_read_inbox_message_id_;
if (last_read_inbox_message_id.is_valid() && last_read_inbox_message_id < dialog_last_read_inbox_message_id) {
last_read_inbox_message_id = min(dialog_last_read_inbox_message_id, max_message_id_);
}
return td_api::make_object<td_api::messageReplyInfo>(reply_count_, std::move(recent_repliers),
last_read_inbox_message_id.get(),
last_read_outbox_message_id_.get(), max_message_id_.get());
}
StringBuilder &operator<<(StringBuilder &string_builder, const MessageReplyInfo &reply_info) {
if (reply_info.is_comment_) {
return string_builder << reply_info.reply_count_ << " comments in " << reply_info.channel_id_ << " by "
<< reply_info.recent_replier_dialog_ids_ << " read up to "
<< reply_info.last_read_inbox_message_id_ << '/' << reply_info.last_read_outbox_message_id_
<< " with PTS " << reply_info.pts_;
} else {
return string_builder << reply_info.reply_count_ << " replies read up to " << reply_info.last_read_inbox_message_id_
<< "/" << reply_info.last_read_outbox_message_id_ << " with PTS " << reply_info.pts_;
}
}
} // namespace td
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