/// <summary>
/// Get the existing sync state representing the item with this CRM id, if it exists, else null.
/// </summary>
/// <param name="crmItemId">The id of a CRM item</param>
/// <returns>the existing sync state representing the item with this CRM id, if it exists, else null.</returns>
protected SyncState <OutlookItemType> GetExistingSyncState(string crmItemId)
{
SyncState <OutlookItemType> result;
try
{
/* if there are duplicate entries I want them logged */
result = ItemsSyncState.SingleOrDefault(a => a.CrmEntryId == crmItemId);
}
catch (InvalidOperationException notUnique)
{
Log.Error(
String.Format(
"AppointmentSyncing.AddItemFromOutlookToCrm: CRM Id {0} was not unique in this.ItemsSyncState?",
crmItemId),
notUnique);
/* but if it isn't unique, the first will actually do for now */
result = ItemsSyncState.FirstOrDefault(a => a.CrmEntryId == crmItemId);
}
return(result);
}
