Fix state reset command

src/Cache.cpp

@@ -1669,7 +1669,7 @@ Cache::calculateRoomReadStatus(const std::string &room_id)
 }
 
 void
-Cache::updateState(const std::string &room, const mtx::responses::StateEvents &state)
+Cache::updateState(const std::string &room, const mtx::responses::StateEvents &state, bool wipe)
 {
     auto txn         = lmdb::txn::begin(env_);
     auto statesdb    = getStatesDb(txn, room);
@@ -1677,6 +1677,12 @@ Cache::updateState(const std::string &room, const mtx::responses::StateEvents &s
     auto membersdb   = getMembersDb(txn, room);
     auto eventsDb    = getEventsDb(txn, room);
 
+    if (wipe) {
+        membersdb.drop(txn);
+        statesdb.drop(txn);
+        stateskeydb.drop(txn);
+    }
+
     saveStateEvents(txn, statesdb, stateskeydb, membersdb, eventsDb, room, state.events);
 
     RoomInfo updatedInfo;

src/Cache_p.h

@@ -118,7 +118,9 @@ public:
                                                  std::size_t len        = 30);
     size_t memberCount(const std::string &room_id);
 
-    void updateState(const std::string &room, const mtx::responses::StateEvents &state);
+    void updateState(const std::string &room,
+                     const mtx::responses::StateEvents &state,
+                     bool wipe = false);
     void saveState(const mtx::responses::Sync &res);
     bool isInitialized();
     bool isDatabaseReady() { return databaseReady_ && isInitialized(); }

src/timeline/TimelineModel.cpp

@@ -496,7 +496,7 @@ TimelineModel::TimelineModel(TimelineViewManager *manager, QString room_id, QObj
     showEventTimer.callOnTimeout(this, &TimelineModel::scrollTimerEvent);
 
     connect(this, &TimelineModel::newState, this, [this](mtx::responses::StateEvents events_) {
-        cache::client()->updateState(room_id_.toStdString(), events_);
+        cache::client()->updateState(room_id_.toStdString(), events_, true);
         this->syncState({std::move(events_.events)});
     });
 }