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Fix pagination in rooms with a full batch of redactions

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This commit is contained in:
Nicolas Werner 2023-07-09 15:41:39 +02:00
parent 246a6d35f5
commit 7fc7aa2da3
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GPG Key ID: C8D75E610773F2D9
1 changed files with 21 additions and 4 deletions
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17
src/Cache.cpp
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@ -3790,10 +3790,27 @@ Cache::saveOldMessages(const std::string &room_id, const mtx::responses::Message
} }
} }
if (!event_id_val.empty()) {
nlohmann::json orderEntry = nlohmann::json::object(); nlohmann::json orderEntry = nlohmann::json::object();
orderEntry["event_id"] = event_id_val; orderEntry["event_id"] = event_id_val;
orderEntry["prev_batch"] = res.end; orderEntry["prev_batch"] = res.end;
orderDb.put(txn, lmdb::to_sv(index), orderEntry.dump()); orderDb.put(txn, lmdb::to_sv(index), orderEntry.dump());
} else if (!res.chunk.empty()) {
// to not break pagination, even if all events are redactions we try to persist something in
// the batch.
nlohmann::json orderEntry = nlohmann::json::object();
event_id_val = mtx::accessors::event_id(res.chunk.back());
--index;
auto event = mtx::accessors::serialize_event(res.chunk.back()).dump();
eventsDb.put(txn, event_id_val, event);
evToOrderDb.put(txn, event_id_val, lmdb::to_sv(index));
orderEntry["event_id"] = event_id_val;
orderEntry["prev_batch"] = res.end;
orderDb.put(txn, lmdb::to_sv(index), orderEntry.dump());
}
txn.commit(); txn.commit();