(fix) properly generate the BusyStatus for normal events

ActiveSync/iCalEvent+ActiveSync.m

@@ -70,7 +70,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 - (int) _attendeeStatus: (iCalPerson *) attendee
 {
   int  attendee_status;
-  
+
   attendee_status = 5;
   if ([[attendee partStat] caseInsensitiveCompare: @"ACCEPTED"] == NSOrderedSame)
     attendee_status = 3;
@@ -82,6 +82,29 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   return attendee_status;
 }
 
+//
+// Possible values are:
+// 0  Free
+// 1  Tentative
+// 2  Busy
+// 3  Out of Office
+// 4  Working elsewhere
+//
+- (int) _busyStatus: (iCalPerson *) attendee
+{
+  int  attendee_status;
+
+  attendee_status = 2;
+
+  if ([[attendee partStat] caseInsensitiveCompare: @"DECLINED"] == NSOrderedSame)
+    attendee_status = 0;
+  else if ([[attendee partStat] caseInsensitiveCompare: @"TENTATIVE"] == NSOrderedSame)
+    attendee_status = 1;
+
+  return attendee_status;
+}
+
+
 - (NSString *) activeSyncRepresentationInContext: (WOContext *) context
 {
   NSMutableString *s;
@@ -190,7 +213,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     }
    else
     {
-      meetingStatus = 0;  // appointment
+      meetingStatus = 0;  // The event is an appointment, which has no attendees.
     }
   
   // This depends on the 'NEEDS-ACTION' parameter.
@@ -211,6 +234,12 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
       [s appendFormat: @"<DisallowNewTimeProposal xmlns=\"Calendar:\">%d</DisallowNewTimeProposal>", 1];
       
       // BusyStatus -- http://msdn.microsoft.com/en-us/library/ee202290(v=exchg.80).aspx
+      [s appendFormat: @"<BusyStatus xmlns=\"Calendar:\">%d</BusyStatus>",  [self _busyStatus: attendee]];
+    }
+  else
+    {
+      // If it's a normal event (ie, with no organizer/attendee) or we are the organizer to an event
+      // invitation, we set the busy status to 2 (Busy)
       [s appendFormat: @"<BusyStatus xmlns=\"Calendar:\">%d</BusyStatus>", 2];
     }