Merge pull request #141 from anoadragon453/HarHarLinks/ignore-the-past

ignore messages sent before the bot joined

matrix_reminder_bot/callbacks.py

@@ -71,6 +71,18 @@ async def message(self, room: MatrixRoom, event: RoomMessageText):
         if event.sender == self.client.user:
             return
 
+        # Ignore messages from the past
+        join_time = 0
+        state = await self.client.room_get_state(room.room_id)
+        for membership in state.events:
+            if (
+                membership.get("type") == "m.room.member"
+                and membership.get("state_key") == self.client.user_id
+            ):
+                join_time = membership.get("origin_server_ts", 0)
+        if join_time > event.server_timestamp:
+            return
+
         # Ignore messages from disallowed users
         if not is_allowed_user(event.sender):
             logger.debug(