fixed timezone calculation on recurring event

NEWS

@@ -13,6 +13,7 @@ Bug fixes
  - fixed birthday offset in EAS
  - fixed From's full name over EAS
  - fixed potential issue when handling multiple Add/Change/Delete/Fetch EAS commands (#3057)
+ - fixed wrong timezone calculation on recurring events
 
 2.2.13 (2014-12-30)
 -------------------

SOPE/NGCards/iCalTimeZonePeriod.m

@@ -156,13 +156,15 @@
   [tzStart setTimeZone: [NSTimeZone timeZoneWithName: @"GMT"]];
   tmpDate = [NSCalendarDate dateWithYear: [refDate yearOfCommonEra]
                                    month: [[[rrule byMonth] objectAtIndex: 0] intValue]
-                                     day: 1 hour: [tzStart hourOfDay]
+                                     day: 1
+                                    hour: [tzStart hourOfDay]
                                   minute: [tzStart minuteOfHour] second: 0
                                 timeZone: [NSTimeZone timeZoneWithName: @"GMT"]];
+
   tmpDate = [tmpDate addYear: 0 month: ((pos > 0) ? 0 : 1)
                          day: 0 hour: 0 minute: 0
                       second: 0];
-  
+
   /* If the day of the time change is "-XSU", we need to determine whether the
      first day of next month is in the same week. In practice, as most time
      changes occurs on sundays, it will be false only when that first day is a
@@ -171,10 +173,16 @@
   if (dateDayOfWeek > dayOfWeek && pos < 0)
     pos++;
 
+  /* We check if the day of hte week is identical. This is important because if they
+     are, "pos" actually includes the first day of tmpDate which means we must decrement
+     pos by 1 */
+  if (dayOfWeek == dateDayOfWeek)
+    pos--;
+
   offset = (dayOfWeek - dateDayOfWeek) + (pos * 7);
   tmpDate = [tmpDate addYear: 0 month: 0 day: offset
                         hour: 0 minute: 0 second: 0];
-  
+
   return tmpDate;
 }
 

SoObjects/Appointments/SOGoAppointmentFolder.m

@@ -926,11 +926,6 @@ static Class iCalEventK = nil;
   dateSecs = [NSNumber numberWithInt: [date timeIntervalSince1970]];
   [record setObject: dateSecs forKey: @"c_enddate"];
   
-  // The first instance date is added to the dictionary so it can
-  // be used by UIxCalListingActions to compute the DST offset.
-  date = [theFirstCycle startDate];
-  [record setObject: date forKey: @"cycleStartDate"];
-  
   return record;
 }
 
@@ -1103,9 +1098,7 @@ firstInstanceCalendarDateRange: (NGCalendarDateRange *) fir
 
       [newRecord setObject: dateSecs forKey: @"c_recurrence_id"];
       [newRecord setObject: [NSNumber numberWithInt: 1] forKey: @"c_iscycle"];
-      // The first instance date is added to the dictionary so it can
-      // be used by UIxCalListingActions to compute the DST offset.
-      [newRecord setObject: [fir startDate] forKey: @"cycleStartDate"];
+
       // We identified the record as an exception.
       [newRecord setObject: [NSNumber numberWithInt: 1] forKey: @"isException"];