accept dm invite, only respond to !help in dms

rssbot.py

@@ -63,13 +63,19 @@ class RssBot:
         if config:
             self._handle_room_config(room, config)
 
-    def _handle_invite(self, roomId, state):
-        # check if local room
-        if not roomId.endswith(self.client.user_id.split(':')[1]):
-            print('Ignoring invitation to', roomId)
+    def _handle_invite(self, room_id, state):
+        # check if local room or DM
+        is_dm = False
+        for event in state['events']:
+            if event['content'].get('is_direct', False):
+                is_dm = True
+                break
+
+        if not (room_id.endswith(self.client.user_id.split(':')[1]) or is_dm):
+            print('Ignoring invitation to', room_id)
             return
 
-        room = self.client.join_room(roomId)
+        room = self.client.join_room(room_id)
         self._setup_room(room)
 
     def _handle_leave(self, room_id, room):
@@ -78,8 +84,9 @@ class RssBot:
             self._update_feeds_config()
 
     def _handle_message(self, room, event):
+        # check for room name to only reply in DMs (room.name == None => DM)
         msg = str(event['content']['body'])
-        if msg.startswith('!help'):
+        if msg.startswith('!help') and room.name is None:
             help_message = """I'm here to keep you updated on rss feeds!<br><br>
 Invite me to any room on {homeserver} and use the custom state event <code>de.eventscccde.rssbot</code> via 
 <code>/devtools</code> to set the rss feeds:<br>