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Optimize updates subscription in topics.

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This commit is contained in:
John Preston
2022-11-02 20:59:12 +04:00
parent 9d4840c0de
commit a21c73facd
5 changed files with 108 additions and 39 deletions
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Telegram/SourceFiles/data/data_replies_list.cpp
+60 -35
View File
@@ -60,38 +60,24 @@ struct RepliesList::Viewer {
bool scheduled = false;
};
RepliesList::RepliesList(not_null<History*> history, MsgId rootId)
RepliesList::RepliesList(
not_null<History*> history,
MsgId rootId,
ForumTopic *owningTopic)
: _history(history)
, _owningTopic(owningTopic)
, _rootId(rootId)
, _creating(IsCreating(history, rootId))
, _readRequestTimer([=] { sendReadTillRequest(); }) {
_history->owner().repliesReadTillUpdates(
) | rpl::filter([=](const RepliesReadTillUpdate &update) {
return (update.id.msg == _rootId)
&& (update.id.peer == _history->peer->id);
}) | rpl::start_with_next([=](const RepliesReadTillUpdate &update) {
if (update.out) {
setOutboxReadTill(update.readTillId);
} else if (update.readTillId >= _inboxReadTillId) {
setInboxReadTill(
update.readTillId,
computeUnreadCountLocally(update.readTillId));
}
}, _lifetime);
_history->session().changes().messageUpdates(
MessageUpdate::Flag::NewAdded
| MessageUpdate::Flag::NewMaybeAdded
| MessageUpdate::Flag::ReplyToTopAdded
| MessageUpdate::Flag::Destroyed
) | rpl::filter([=](const MessageUpdate &update) {
return applyUpdate(update);
}) | rpl::to_empty | rpl::start_to_stream(_instantChanges, _lifetime);
_history->owner().channelDifferenceTooLong(
) | rpl::filter([=](not_null<ChannelData*> channel) {
return applyDifferenceTooLong(channel);
}) | rpl::to_empty | rpl::start_to_stream(_listChanges, _lifetime);
if (_owningTopic) {
_owningTopic->destroyed(
) | rpl::start_with_next([=] {
_owningTopic = nullptr;
subscribeToUpdates();
}, _lifetime);
} else {
subscribeToUpdates();
}
}
RepliesList::~RepliesList() {
@@ -105,6 +91,48 @@ RepliesList::~RepliesList() {
}
}
void RepliesList::subscribeToUpdates() {
_history->owner().repliesReadTillUpdates(
) | rpl::filter([=](const RepliesReadTillUpdate &update) {
return (update.id.msg == _rootId)
&& (update.id.peer == _history->peer->id);
}) | rpl::start_with_next([=](const RepliesReadTillUpdate &update) {
apply(update);
}, _lifetime);
_history->session().changes().messageUpdates(
MessageUpdate::Flag::NewAdded
| MessageUpdate::Flag::NewMaybeAdded
| MessageUpdate::Flag::ReplyToTopAdded
| MessageUpdate::Flag::Destroyed
) | rpl::start_with_next([=](const MessageUpdate &update) {
apply(update);
}, _lifetime);
_history->owner().channelDifferenceTooLong(
) | rpl::start_with_next([=](not_null<ChannelData*> channel) {
if (channel == _history->peer) {
applyDifferenceTooLong();
}
}, _lifetime);
}
void RepliesList::apply(const RepliesReadTillUpdate &update) {
if (update.out) {
setOutboxReadTill(update.readTillId);
} else if (update.readTillId >= _inboxReadTillId) {
setInboxReadTill(
update.readTillId,
computeUnreadCountLocally(update.readTillId));
}
}
void RepliesList::apply(const MessageUpdate &update) {
if (applyUpdate(update)) {
_instantChanges.fire({});
}
}
rpl::producer<MessagesSlice> RepliesList::source(
MessagePosition aroundId,
int limitBefore,
@@ -426,14 +454,11 @@ bool RepliesList::applyUpdate(const MessageUpdate &update) {
return true;
}
bool RepliesList::applyDifferenceTooLong(not_null<ChannelData*> channel) {
if (_creating
|| _history->peer != channel
|| !_skippedAfter.has_value()) {
return false;
void RepliesList::applyDifferenceTooLong() {
if (!_creating && _skippedAfter.has_value()) {
_skippedAfter = std::nullopt;
_listChanges.fire({});
}
_skippedAfter = std::nullopt;
return true;
}
void RepliesList::changeUnreadCountByPost(MsgId id, int delta) {