# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1445885209 -3600
# Node ID fade5d6b17907f82e8d4fd0231484560d81ca8c6
# Parent  d8b0495f4f1a55dc4c893e029a4eae780b4a24e4
Preserve the original object where a corrected version cannot be scheduled.

diff -r d8b0495f4f1a -r fade5d6b1790 imiptools/handlers/scheduling.py
--- a/imiptools/handlers/scheduling.py	Mon Oct 26 19:37:27 2015 +0100
+++ b/imiptools/handlers/scheduling.py	Mon Oct 26 19:46:49 2015 +0100
@@ -53,6 +53,8 @@
     returning an indication of the kind of response to be returned.
     """
 
+    obj = handler.obj.copy()
+
     # Check any constraints on the request.
 
     try:
@@ -66,6 +68,12 @@
     # With a valid request, determine whether the event can be scheduled.
 
     scheduled = schedule_in_freebusy(handler)
+
+    # Restore the original object if it was corrected but could not be
+    # scheduled.
+
+    if scheduled == "DECLINED" and corrected:
+        handler.set_object(obj)
     
     # Where the corrected object can be scheduled, issue a counter
     # request.