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Fix timeline becoming corrupted on backfill

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Fixes #273
This commit is contained in:
Nicolas Werner 2021-01-12 00:02:18 +01:00
parent 947e40bd70
commit 2a19783f99
5 changed files with 37 additions and 16 deletions
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2
CMakeLists.txt
View file

@ -354,7 +354,7 @@ if(USE_BUNDLED_MTXCLIENT)
FetchContent_Declare(
MatrixClient
GIT_REPOSITORY https://github.com/Nheko-Reborn/mtxclient.git
GIT_TAG d44158e17e8eb872bee762a81fc04bfad117f0c5
GIT_TAG f364a5e83db3f1978b6c3d3453accae02c9267c3
)
set(BUILD_LIB_EXAMPLES OFF CACHE INTERNAL "")
set(BUILD_LIB_TESTS OFF CACHE INTERNAL "")

2
io.github.NhekoReborn.Nheko.json
View file

@ -152,7 +152,7 @@
"name": "mtxclient",
"sources": [
{
"commit": "d44158e17e8eb872bee762a81fc04bfad117f0c5",
"commit": "f364a5e83db3f1978b6c3d3453accae02c9267c3",
"type": "git",
"url": "https://github.com/Nheko-Reborn/mtxclient.git"
}

15
src/Cache.cpp
View file

@ -1208,10 +1208,11 @@ Cache::saveState(const mtx::responses::Sync &res)
for (const auto &ev : res.account_data.events)
std::visit(
[&txn, &accountDataDb](const auto &event) {
auto j = json(event);
lmdb::dbi_put(txn,
accountDataDb,
lmdb::val(to_string(event.type)),
lmdb::val(json(event).dump()));
lmdb::val(j["type"].get<std::string>()),
lmdb::val(j.dump()));
},
ev);
}
@ -1242,10 +1243,11 @@ Cache::saveState(const mtx::responses::Sync &res)
for (const auto &evt : room.second.account_data.events) {
std::visit(
[&txn, &accountDataDb](const auto &event) {
auto j = json(event);
lmdb::dbi_put(txn,
accountDataDb,
lmdb::val(to_string(event.type)),
lmdb::val(json(event).dump()));
lmdb::val(j["type"].get<std::string>()),
lmdb::val(j.dump()));
},
evt);
@ -1391,10 +1393,11 @@ Cache::saveInvite(lmdb::txn &txn,
} else {
std::visit(
[&txn, &statesdb](auto msg) {
auto j = json(msg);
bool res = lmdb::dbi_put(txn,
statesdb,
lmdb::val(to_string(msg.type)),
lmdb::val(json(msg).dump()));
lmdb::val(j["type"].get<std::string>()),
lmdb::val(j.dump()));
if (!res)
nhlog::db()->warn("couldn't save data: {}",

32
src/timeline/EventStore.cpp
View file

@ -67,11 +67,25 @@ EventStore::EventStore(std::string room_id, QObject *)
if (newFirst == first)
fetchMore();
else {
emit beginInsertRows(toExternalIdx(newFirst),
toExternalIdx(this->first - 1));
this->first = newFirst;
emit endInsertRows();
emit fetchedMore();
if (this->last != std::numeric_limits<uint64_t>::max()) {
emit beginInsertRows(toExternalIdx(newFirst),
toExternalIdx(this->first - 1));
this->first = newFirst;
emit endInsertRows();
emit fetchedMore();
} else {
auto range = cache::client()->getTimelineRange(room_id_);
if (range && range->last - range->first != 0) {
emit beginInsertRows(0, int(range->last - range->first));
this->first = range->first;
this->last = range->last;
emit endInsertRows();
emit fetchedMore();
} else {
fetchMore();
}
}
}
},
Qt::QueuedConnection);
@ -247,15 +261,19 @@ EventStore::handleSync(const mtx::responses::Timeline &events)
nhlog::db()->warn("{} called from a different thread!", __func__);
auto range = cache::client()->getTimelineRange(room_id_);
if (!range)
if (!range) {
emit beginResetModel();
this->first = std::numeric_limits<uint64_t>::max();
this->last = std::numeric_limits<uint64_t>::max();
emit endResetModel();
return;
}
if (events.limited) {
emit beginResetModel();
this->last = range->last;
this->first = range->first;
emit endResetModel();
} else if (range->last > this->last) {
emit beginInsertRows(toExternalIdx(this->last + 1), toExternalIdx(range->last));
this->last = range->last;

2
src/timeline/EventStore.h
View file

@ -74,7 +74,7 @@ public:
int size() const
{
return last != std::numeric_limits<uint64_t>::max()
return (last != std::numeric_limits<uint64_t>::max() && last >= first)
? static_cast<int>(last - first) + 1
: 0;
}