Persist Matrix state

mautrix_appservice/intent_api.py

@@ -152,7 +152,6 @@ class IntentAPI:
         self.localpart = results.group(1)
 
         self.state_store = state_store
-        self.registered = False
 
     def user(self, user):
         if not self.bot:
@@ -336,15 +335,16 @@ class IntentAPI:
                 raise IntentError(f"Failed to join room {room_id} as {self.mxid}", e2)
 
     def _ensure_registered(self):
-        if self.registered:
+        if self.state_store.is_registered(self.mxid):
             return
         try:
             self.client.register({"username": self.localpart})
         except MatrixRequestError as e:
             if matrix_error_code(e) != "M_USER_IN_USE":
                 self.log.exception(f"Failed to register {self.mxid}!")
+                return
                 # raise IntentError(f"Failed to register {self.mxid}", e)
-        self.registered = True
+        self.state_store.registered(self.mxid)
 
     def _ensure_has_power_level_for(self, room_id, event_type):
         if not self.state_store.has_power_level_data(room_id):