# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1445004843 -7200
# Node ID d3f276fb7b289fc27f793a2b21ac7ff6bd8e9fd5
# Parent  4530fda4bc4f8de0fa535e360d8da62d2bebae2d
When handling COUNTER messages, only handle information from the sending
attendee, do not reset participation status generally, and register the
counter-proposal only for the sending attendee.

diff -r 4530fda4bc4f -r d3f276fb7b28 imiptools/handlers/person.py
--- a/imiptools/handlers/person.py	Fri Oct 16 16:11:43 2015 +0200
+++ b/imiptools/handlers/person.py	Fri Oct 16 16:14:03 2015 +0200
@@ -87,20 +87,18 @@
 
         (organiser, organiser_attr), attendees = oa
 
-        # The responding attendee is regarded as not attending.
-
-        for attendee, attendee_attr in attendees.items():
-            attendee_attr["PARTSTAT"] = "DECLINED"
+        # Update the attendance for the sender.
 
-        # Update this attendance.
+        attendee = self.get_sending_attendee()
+        if not attendee:
+            return False
 
-        if self.merge_attendance(attendees):
-            self.update_freebusy_from_attendees(attendees)
+        if self.merge_attendance({attendee : attendees[attendee]}):
+            self.update_freebusy_from_attendees([attendee])
 
         # Queue any counter-proposal for perusal.
 
-        for attendee in attendees.keys():
-            self.store.set_counter(self.user, attendee, self.obj.to_node(), self.uid, self.recurrenceid)
+        self.store.set_counter(self.user, attendee, self.obj.to_node(), self.uid, self.recurrenceid)
         self.store.queue_request(self.user, self.uid, self.recurrenceid, "COUNTER")
 
         return True