/// <summary>
/// Returns the external data repository synchronization object by a unique foreign key from synchronization metadata.
/// </summary>
/// <param name="schema">Schema.</param>
/// <param name="itemMetadata">Synchronization metadata.</param>
/// <returns>Created instance of <see cref="IRemoteItem"/>.</returns>
public override IRemoteItem LoadSyncItem(SyncItemSchema schema, ItemMetadata itemMetadata)
{
SysSyncMetaData syncItemMetadata = itemMetadata.FirstOrDefault(item => item.SyncSchemaName == "Activity");
if (syncItemMetadata == null)
{
var notChangedAppointment = CreateExchangeAppointment(schema, null, string.Empty, TimeZone);
notChangedAppointment.State = SyncState.None;
return(notChangedAppointment);
}
string itemId = GetRemoteId(syncItemMetadata);
ExchangeBase remoteItem;
var appointment = SafeBindItem <Exchange.Appointment>(Service, new Exchange.ItemId(itemId));
if (appointment == null && _userConnection.GetIsFeatureEnabled("SyncDeletedAppointments"))
{
appointment = GetAppointmentByLocalIdProperty(syncItemMetadata);
}
if (appointment != null)
{
remoteItem = CreateExchangeAppointment(schema, appointment, TimeZone);
remoteItem.Action = SyncAction.Update;
}
else
{
string itemRemoteId = syncItemMetadata.RemoteId;
appointment = new Exchange.Appointment(Service);
remoteItem = CreateExchangeAppointment(schema, appointment, itemRemoteId, TimeZone);
remoteItem.State = SyncState.Deleted;
remoteItem.Action = SyncAction.Delete;
}
return(remoteItem);
}
/// <summary>
/// Loads exchange appointment from exchange, filtered by related <paramref name="activityMetadata"/> to
/// activity unique identifier.
/// </summary>
/// <param name="activityMetadata">Activity instance synchronization metadata.</param>
/// <returns>If appointment with activity id found, returns <see cref="Exchange.Appointment"/> instance.
/// Otherwise returns null.</returns>
private Exchange.Appointment GetAppointmentByLocalIdProperty(SysSyncMetaData activityMetadata)
{
var localId = activityMetadata.LocalId;
var filters = new Exchange.SearchFilter.SearchFilterCollection(Exchange.LogicalOperator.And);
var customPropSetFilter = new Exchange.SearchFilter.IsEqualTo(ExchangeUtilityImpl.LocalIdProperty, localId.ToString());
filters.Add(customPropSetFilter);
foreach (var noteFolder in Folders)
{
Exchange.PropertySet idOnlyPropertySet = new Exchange.PropertySet(Exchange.BasePropertySet.IdOnly);
var itemView = new Exchange.ItemView(1)
{
PropertySet = idOnlyPropertySet
};
IEnumerable <Exchange.Item> itemCollection = GetCalendarItemsByFilter(noteFolder, filters, itemView);
if (itemCollection == null)
{
continue;
}
foreach (Exchange.Item item in itemCollection)
{
Exchange.Appointment appointment = SafeBindItem <Exchange.Appointment>(Service, item.Id);
if (appointment != null)
{
return(appointment);
}
}
}
return(null);
}
/// <summary>Gets remote Id from extend property.</summary>
/// <param name="syncItemMetadata">Synchronization metadata.</param>
/// <returns>Unique identifier item in remote storage.</returns>
public string GetRemoteId(SysSyncMetaData syncItemMetadata)
{
if (!(syncItemMetadata.ExtraParameters).IsNullOrEmpty())
{
JObject activityExtendProperty = JObject.Parse(syncItemMetadata.ExtraParameters);
return((string)activityExtendProperty["RemoteId"]);
}
else
{
throw new ItemNotFoundException("Extra parameters is empty");
}
}
/// <summary>
/// Returns activity hash stored in activity synchronization metadata.
/// </summary>
/// <param name="itemMetadata"><see cref="ItemMetadata"/> instance.</param>
/// <returns>Stored activity hash.</returns>
protected virtual string GetActivityHashFromMetadata(ItemMetadata itemMetadata)
{
string result = string.Empty;
if (itemMetadata != null)
{
SysSyncMetaData activityMetaData = itemMetadata.FirstOrDefault(item => item.SyncSchemaName == "Activity");
if (activityMetaData != null)
{
string extraParameters = activityMetaData.ExtraParameters;
if (!extraParameters.IsNullOrEmpty())
{
JObject activityExtendProperty = JObject.Parse(activityMetaData.ExtraParameters);
result = (string)activityExtendProperty["ActivityHash"];
}
}
}
return(result);
}
