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Fix updating last database message ID after channelDifferenceTooLong.

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This commit is contained in:
levlam 2021-01-24 23:07:55 +03:00
parent d36ee86027
commit 08b3ce0aac
1 changed files with 11 additions and 6 deletions
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7
td/telegram/MessagesManager.cpp
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@ -14311,12 +14311,17 @@ unique_ptr<MessagesManager::Message> MessagesManager::do_delete_message(Dialog *
if (*it != nullptr) {
if (!(*it)->message_id.is_yet_unsent() && (*it)->message_id != d->last_database_message_id) {
if ((*it)->message_id < d->first_database_message_id && d->dialog_id.get_type() == DialogType::Channel) {
// possible if messages was deleted from database, but not from memory after updateChannelTooLong
set_dialog_last_database_message_id(d, MessageId(), "do_delete_message");
} else {
set_dialog_last_database_message_id(d, (*it)->message_id, "do_delete_message");
if (d->last_database_message_id < d->first_database_message_id) {
LOG(ERROR) << "Last database " << d->last_database_message_id << " became less than first database "
<< d->first_database_message_id << " after deletion of " << full_message_id;
set_dialog_first_database_message_id(d, d->last_database_message_id, "do_delete_message 2");
}
}
} else {
need_get_history = true;
}
@ -34693,7 +34698,7 @@ void MessagesManager::on_get_channel_dialog(DialogId dialog_id, MessageId last_m
// as results of getChatHistory and (if implemented continuous ranges support for searching shared media)
// searchChatMessages. The messages should still be lazily checked using getHistory, but they are still available
// offline. It is the best way for gaps support, but it is pretty hard to implement correctly.
// It should be also noted that some messages like live location messages shouldn't be deleted.
// It should be also noted that some messages like outgoing live location messages shouldn't be deleted.
if (last_message_id > d->last_new_message_id) {
// TODO properly support last_message_id <= d->last_new_message_id