# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1427821751 -7200
# Node ID dd4e2cdb39b460bf0113c0990728864eb5242609
# Parent  8d2dfe43b6293960aaa045368e38667a5d0aef32
Made Client work with a null user; added more preference methods; made the
default window size a class attribute.

diff -r 8d2dfe43b629 -r dd4e2cdb39b4 imiptools/client.py
--- a/imiptools/client.py	Tue Mar 31 19:07:43 2015 +0200
+++ b/imiptools/client.py	Tue Mar 31 19:09:11 2015 +0200
@@ -65,33 +65,41 @@
 
     "Common handler and manager methods."
 
+    default_window_size = 100
+
     def __init__(self, user):
         self.user = user
         self.preferences = None
 
     def get_preferences(self):
-        if not self.preferences:
+        if not self.preferences and self.user:
             self.preferences = Preferences(self.user)
         return self.preferences
 
     def get_tzid(self):
         prefs = self.get_preferences()
-        return prefs.get("TZID") or get_default_timezone()
+        return prefs and prefs.get("TZID") or get_default_timezone()
 
     def get_window_size(self):
         prefs = self.get_preferences()
         try:
-            return int(prefs.get("window_size"))
+            return prefs and int(prefs.get("window_size")) or self.default_window_size
         except (TypeError, ValueError):
-            return 100
+            return self.default_window_size
 
     def get_window_end(self):
         return get_window_end(self.get_tzid(), self.get_window_size())
 
     def is_sharing(self):
-        return self.get_preferences().get("freebusy_sharing") == "share" 
+        prefs = self.get_preferences()
+        return prefs and prefs.get("freebusy_sharing") == "share" or False
 
     def is_bundling(self):
-        return self.get_preferences().get("freebusy_bundling") == "always"
+        prefs = self.get_preferences()
+        return prefs and prefs.get("freebusy_bundling") == "always" or False
+
+    def is_notifying(self):
+        prefs = self.get_preferences()
+        return prefs and prefs.get("freebusy_messages") == "notify" or False
 
 # vim: tabstop=4 expandtab shiftwidth=4