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Improve updating first/last database message IDs in on_get_history.

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This commit is contained in:
levlam 2021-01-25 01:19:41 +03:00
parent c169067bb5
commit feba24f1f4
1 changed files with 17 additions and 3 deletions
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20
td/telegram/MessagesManager.cpp
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@ -8907,9 +8907,23 @@ void MessagesManager::on_get_history(DialogId dialog_id, MessageId from_message_
}
if (need_update_database_message_ids) {
if (from_the_end && !intersect_last_database_message_ids) {
set_dialog_first_database_message_id(d, MessageId(), "on_get_history 1");
set_dialog_last_database_message_id(d, MessageId(), "on_get_history 1");
if (from_the_end && !intersect_last_database_message_ids && d->last_database_message_id.is_valid()) {
if (d->last_database_message_id < first_added_message_id || last_added_message_id == d->last_message_id) {
set_dialog_first_database_message_id(d, MessageId(), "on_get_history 1");
set_dialog_last_database_message_id(d, MessageId(), "on_get_history 1");
} else {
auto min_message_id = td::min(d->first_database_message_id, d->last_message_id);
CHECK(last_added_message_id < min_message_id);
if (min_message_id <= last_added_message_id.get_next_message_id(MessageType::Server)) {
// connect local messages with last received server message
set_dialog_first_database_message_id(d, last_added_message_id, "on_get_history 2");
} else {
LOG(WARNING) << "Have last " << d->last_message_id << " and first database " << d->first_database_message_id
<< " in " << dialog_id << ", but received history from the end only up to "
<< last_added_message_id;
// can't connect messages, because there can be unknown server messages after last_added_message_id
}
}
}
if (!d->last_database_message_id.is_valid()) {
CHECK(d->last_message_id.is_valid());