diff options
| -rw-r--r-- | lib/room.cpp | 20 | ||||
| -rw-r--r-- | lib/room.h | 15 |
2 files changed, 35 insertions, 0 deletions
diff --git a/lib/room.cpp b/lib/room.cpp index fe50aa9a..41a8888c 100644 --- a/lib/room.cpp +++ b/lib/room.cpp @@ -387,11 +387,31 @@ QString Room::predecessorId() const return d->getCurrentState<RoomCreateEvent>()->predecessor().roomId; } +Room* Room::predecessor(JoinStates statesFilter) const +{ + if (const auto& predId = predecessorId(); !predId.isEmpty()) + if (auto* r = connection()->room(predId, statesFilter); + r && r->successorId() == id()) + return r; + + return nullptr; +} + QString Room::successorId() const { return d->getCurrentState<RoomTombstoneEvent>()->successorRoomId(); } +Room* Room::successor(JoinStates statesFilter) const +{ + if (const auto& succId = successorId(); !succId.isEmpty()) + if (auto* r = connection()->room(succId, statesFilter); + r && r->predecessorId() == id()) + return r; + + return nullptr; +} + const Room::Timeline& Room::messageEvents() const { return d->timeline; } const Room::PendingEvents& Room::pendingEvents() const @@ -167,7 +167,22 @@ public: QString version() const; bool isUnstable() const; QString predecessorId() const; + /// Room predecessor + /** This function validates that the predecessor has a tombstone and + * the tombstone refers to the current room. If that's not the case, + * or if the predecessor is in a join state not matching \p stateFilter, + * the function returns nullptr. + */ + Room* predecessor(JoinStates statesFilter = JoinState::Invite + | JoinState::Join) const; QString successorId() const; + /// Room successor + /** This function validates that the successor room's creation event + * refers to the current room. If that's not the case, or if the successor + * is in a join state not matching \p stateFilter, it returns nullptr. + */ + Room* successor(JoinStates statesFilter = JoinState::Invite + | JoinState::Join) const; QString name() const; /// Room aliases defined on the current user's server /// \sa remoteAliases, setLocalAliases |