Keep track of a user's away message, not just whether they're away or not

modules/line_handler/user.py

@@ -51,10 +51,12 @@ def away(events, event):
     message = event["args"].get(0)
     if message:
         user.away = True
+        user.away_message = message
         events.on("received.away.on").call(user=user, server=event["server"],
             message=message)
     else:
         user.away = False
+        user.away_message = None
         events.on("received.away.off").call(user=user, server=event["server"])
 
 def chghost(event):

src/IRCUser.py

@@ -23,6 +23,8 @@ class User(IRCObject.Object):
         self.identified_account_id = None
         self.identified_account_id_override = None
         self.away = False
+        self.away_message = None # type: typing.Optional[str]
+
         self.buffer = IRCBuffer.Buffer(bot, server)
 
     def __repr__(self) -> str: