private IEnumerable<Appointment> GetAppointments(RadScheduler owner, string sharedCalendarName, ItemIdType[] itemIdsArray)
{
IList<CalendarItemType> calendarItems = GetCalendarItems(itemIdsArray);
List<Appointment> appointments = new List<Appointment>(calendarItems.Count);
foreach (CalendarItemType item in calendarItems)
{
appointments.AddRange(CreateAppointmentsFromCalendarItem(owner, sharedCalendarName, item));
}
return appointments;
}
private CalendarItemType GetOccurrenceItem(Appointment master, int index)
{
ItemIdType masterItemId = new ItemIdType();
masterItemId.Id = master.Attributes[ExchangeIdAttribute];
masterItemId.ChangeKey = master.Attributes[ExchangeChangeKeyAttribute];
OccurrenceItemIdType occurrenceItemId = new OccurrenceItemIdType();
occurrenceItemId.RecurringMasterId = masterItemId.Id;
occurrenceItemId.InstanceIndex = index;
PathToUnindexedFieldType calendarItemTypePath = new PathToUnindexedFieldType();
calendarItemTypePath.FieldURI = UnindexedFieldURIType.calendarCalendarItemType;
GetItemType getItemRequest = new GetItemType();
getItemRequest.ItemShape = new ItemResponseShapeType();
getItemRequest.ItemShape.BaseShape = DefaultShapeNamesType.IdOnly;
getItemRequest.ItemShape.AdditionalProperties = new BasePathToElementType[] { calendarItemTypePath };
getItemRequest.ItemIds = new BaseItemIdType[] { masterItemId, occurrenceItemId };
GetItemResponseType getItemResponse = Service.GetItem(getItemRequest);
CalendarItemType occurrenceItem = null;
foreach (ItemInfoResponseMessageType getItemResponseMessage in getItemResponse.ResponseMessages.Items)
{
if (getItemResponseMessage.ResponseClass == ResponseClassType.Success &&
getItemResponseMessage.Items.Items != null &&
getItemResponseMessage.Items.Items.Length > 0)
{
occurrenceItem = (CalendarItemType) getItemResponseMessage.Items.Items[0];
}
}
if (occurrenceItem == null)
{
throw new Exception("Unable to find occurrence");
}
return occurrenceItem;
}
private void SynchronizeDeletedOccurrences(Appointment apt)
{
RecurrenceRule rrule;
if (!RecurrenceRule.TryParse(apt.RecurrenceRule, out rrule))
{
return;
}
ItemIdType itemId = new ItemIdType();
itemId.Id = apt.Attributes[ExchangeIdAttribute];
itemId.ChangeKey = apt.Attributes[ExchangeChangeKeyAttribute];
CalendarItemType calendarItem = GetCalendarItems(new ItemIdType[] { itemId })[0];
List<DateTime> existingExceptions = new List<DateTime>();
if (calendarItem.ModifiedOccurrences != null)
{
foreach (CalendarItemType modifiedOccurrence in GetModifiedOccurrences(calendarItem))
{
existingExceptions.Add(modifiedOccurrence.OriginalStart);
}
}
if (calendarItem.DeletedOccurrences != null)
{
foreach (DeletedOccurrenceInfoType deletedOccurrence in calendarItem.DeletedOccurrences)
{
existingExceptions.Add(deletedOccurrence.Start);
}
}
foreach (DateTime recurrenceException in rrule.Exceptions)
{
// Search in ModifiedOccurrences and DeletedOccurrences for this exception.
if (existingExceptions.Contains(recurrenceException))
{
continue;
}
// If it is not found in either, delete the occurrence.
int occurrenceIndex = GetOccurrenceIndex(recurrenceException, apt);
CalendarItemType occurrenceItem = GetOccurrenceItem(apt, occurrenceIndex);
DeleteItem(occurrenceItem.ItemId);
}
}
private void RemoveRecurrenceExceptions(Appointment appointmentToUpdate)
{
ItemChangeType itemUpdates = new ItemChangeType();
ItemIdType itemId = new ItemIdType();
itemId.Id = appointmentToUpdate.Attributes[ExchangeIdAttribute];
itemId.ChangeKey = appointmentToUpdate.Attributes[ExchangeChangeKeyAttribute];
itemUpdates.Item = itemId;
PathToUnindexedFieldType deletedOccurrencesPath = new PathToUnindexedFieldType();
deletedOccurrencesPath.FieldURI = UnindexedFieldURIType.calendarRecurrence;
DeleteItemFieldType deletedOccurrencesUpdate = new DeleteItemFieldType();
deletedOccurrencesUpdate.Item = deletedOccurrencesPath;
// To reset the deleted and modified occurrences we must
// remove the recurrence rule and then immediately restore it
itemUpdates.Updates = new ItemChangeDescriptionType[] { deletedOccurrencesUpdate, GetRecurrenceUpdate(appointmentToUpdate) };
UpdateCalendarItem(new ItemChangeType[] { itemUpdates });
}
protected internal IList<CalendarItemType> GetCalendarItems(ItemIdType[] itemIds)
{
if (itemIds.Length == 0)
{
return new CalendarItemType[0];
}
List<CalendarItemType> calendarItems = new List<CalendarItemType>(itemIds.Length);
// Form the GetItem request.
GetItemType getItemRequest = new GetItemType();
getItemRequest.ItemShape = new ItemResponseShapeType();
getItemRequest.ItemShape.BaseShape = DefaultShapeNamesType.AllProperties;
getItemRequest.ItemIds = itemIds;
GetItemResponseType getItemResponse = Service.GetItem(getItemRequest);
foreach (ItemInfoResponseMessageType responseMessage in getItemResponse.ResponseMessages.Items)
{
if (responseMessage.ResponseClass == ResponseClassType.Success &&
responseMessage.Items.Items != null &&
responseMessage.Items.Items.Length > 0)
{
calendarItems.Add((CalendarItemType) responseMessage.Items.Items[0]);
}
}
return calendarItems.ToArray();
}
protected virtual ItemChangeType GetAppointmentChanges(Appointment apt)
{
ItemChangeType itemUpdates = new ItemChangeType();
ItemIdType itemId = new ItemIdType();
itemId.Id = apt.Attributes[ExchangeIdAttribute];
itemId.ChangeKey = apt.Attributes[ExchangeChangeKeyAttribute];
itemUpdates.Item = itemId;
List<ItemChangeDescriptionType> updates = new List<ItemChangeDescriptionType>();
updates.Add(GetSubjectUpdate(apt));
updates.Add(GetStartUpdate(apt));
updates.Add(GetEndUpdate(apt));
if (apt.RecurrenceRule != string.Empty)
{
updates.Add(GetRecurrenceUpdate(apt));
}
itemUpdates.Updates = updates.ToArray();
return itemUpdates;
}
/// <summary>
/// Deletes the specified appointment.
/// </summary>
/// <param name="owner">The owner RadScheduler instance.</param>
/// <param name="appointmentToDelete">The appointment to delete.</param>
public override void Delete(RadScheduler owner, Appointment appointmentToDelete)
{
if (owner.ProviderContext is RemoveRecurrenceExceptionsContext)
{
return;
}
ItemIdType itemId = new ItemIdType();
itemId.Id = appointmentToDelete.Attributes[ExchangeIdAttribute];
itemId.ChangeKey = appointmentToDelete.Attributes[ExchangeChangeKeyAttribute];
DeleteItem(itemId);
}
