private static Dictionary <REG_TIMEZONE_INFO, string> CollectTimeZones(IList <Item> items)
{
Dictionary <REG_TIMEZONE_INFO, string> dictionary = new Dictionary <REG_TIMEZONE_INFO, string>();
foreach (Item item in items)
{
ExTimeZone exTimeZoneFromItem = TimeZoneHelper.GetExTimeZoneFromItem(item);
REG_TIMEZONE_INFO key = TimeZoneHelper.RegTimeZoneInfoFromExTimeZone(exTimeZoneFromItem);
string text = CalendarUtil.RemoveDoubleQuotes(string.IsNullOrEmpty(exTimeZoneFromItem.AlternativeId) ? exTimeZoneFromItem.DisplayName : exTimeZoneFromItem.AlternativeId);
if (!string.IsNullOrEmpty(text) && text.EndsWith("\r\n"))
{
text = text.Substring(0, text.Length - 2);
}
string value = text;
if (!dictionary.ContainsKey(key))
{
int num = 0;
while (string.IsNullOrEmpty(value) || dictionary.ContainsValue(value))
{
value = string.Format("{0} {1}", text, ++num);
}
dictionary.Add(key, value);
}
}
return(dictionary);
}
public static ExTimeZone GetPromotedTimeZoneFromItem(Item item)
{
ExTimeZone exTimeZoneFromItem = TimeZoneHelper.GetExTimeZoneFromItem(item);
ExTimeZone exTimeZone = null;
if (exTimeZoneFromItem != null)
{
exTimeZone = TimeZoneHelper.PromoteCustomizedTimeZone(exTimeZoneFromItem);
}
return(exTimeZone ?? exTimeZoneFromItem);
}
private void DemoteVEvents(IList <Item> items)
{
foreach (Item item in items)
{
ExTimeZone exTimeZone = item.PropertyBag.ExTimeZone;
try
{
REG_TIMEZONE_INFO reg_TIMEZONE_INFO = TimeZoneHelper.RegTimeZoneInfoFromExTimeZone(TimeZoneHelper.GetExTimeZoneFromItem(item));
string text = this.demotingTimeZones[reg_TIMEZONE_INFO];
item.PropertyBag.ExTimeZone = TimeZoneHelper.CreateCustomExTimeZoneFromRegTimeZoneInfo(reg_TIMEZONE_INFO, text, text);
VEvent vevent = new VEvent(this);
vevent.Demote(item);
if (!base.OutboundContext.SuppressExceptionAndAttachmentDemotion && (base.Context.Method == CalendarMethod.Request || base.Context.Method == CalendarMethod.Cancel || base.Context.Method == CalendarMethod.Publish))
{
InternalRecurrence recurrenceFromItem = CalendarItem.GetRecurrenceFromItem(item);
if (recurrenceFromItem != null)
{
IList <OccurrenceInfo> modifiedOccurrences = recurrenceFromItem.GetModifiedOccurrences();
foreach (OccurrenceInfo occurrenceInfo in modifiedOccurrences)
{
ExceptionInfo exceptionInfo = (ExceptionInfo)occurrenceInfo;
VEvent vevent2 = new VEvent(this);
vevent2.DemoteException(exceptionInfo, vevent);
}
}
}
}
catch (Exception ex)
{
ExTraceGlobals.ICalTracer.TraceError <Exception>((long)this.GetHashCode(), "VCalendar::DemoteVEvents. Skipping item due to {0}", ex);
base.Context.AddError(ServerStrings.InvalidICalElement(ex.ToString()));
}
finally
{
item.PropertyBag.ExTimeZone = exTimeZone;
}
}
}