public void RestoreObject(AuditDataItemPersistent audit)
{
object currentobj = audit.AuditedObject.Target;
if (!RestoredObjects.Contains(currentobj))
{
RestoredObjects.Add(currentobj);
}
else
{
return;
}
ITypeInfo currenttypeinfo = XafTypesInfo.Instance.FindTypeInfo(currentobj.GetType());
foreach (AuditDataItemPersistent item in ObjectSpace.CreateCollection(typeof(AuditDataItemPersistent), CriteriaOperator.Parse("(AuditedObject = ? OR OldObject.TargetKey = ?) AND ModifiedOn >= ? AND (OperationType = 'ObjectDeleted' OR OperationType = 'RemovedFromCollection')", audit.AuditedObject, XPWeakReference.KeyToString(currenttypeinfo.KeyMember.GetValue(currentobj)), audit.ModifiedOn), new List <SortProperty>()
{
new SortProperty("ModifiedOn", DevExpress.Xpo.DB.SortingDirection.Ascending)
}))
{
if (item.OperationType == "ObjectDeleted")
{
UndeleteObjectCore(currentobj, currenttypeinfo);
}
else if (item.OperationType == "RemovedFromCollection")
{
object oldobj = item.OldObject.Target;
UndeleteObject(oldobj);
object associatedobject = item.AuditedObject.Target;
UndeleteObject(associatedobject);
ITypeInfo associatedobjectinfo = XafTypesInfo.Instance.FindTypeInfo(associatedobject.GetType());
IList collection = associatedobjectinfo.FindMember(item.PropertyName).GetValue(associatedobject) as IList;
collection.Add(oldobj);
RestoreAggregateObjects(oldobj);
RestoreAggregateObjects(associatedobject);
}
}
RestoreAggregateObjects(currentobj);
}
private void UndeleteObject(object obj)
{
if (obj == null || RestoredObjects.Contains(obj))
{
return;
}
ITypeInfo objinfo = XafTypesInfo.Instance.FindTypeInfo(obj.GetType());
UndeleteObjectCore(obj, objinfo);
XPCollection <AuditDataItemPersistent> originalcollection = AuditedObjectWeakReference.GetAuditTrail((ObjectSpace as XPObjectSpace).Session, obj);
if (originalcollection != null)
{
XPCollection <AuditDataItemPersistent> oldobjaudit = new XPCollection <AuditDataItemPersistent>(originalcollection, new BinaryOperator("OperationType", "ObjectDeleted"));
if (oldobjaudit.Count > 0)
{
RestoreObject(oldobjaudit.OrderByDescending(x => x.ModifiedOn).First());
}
}
}
public void Dispose()
{
aggregateChecked.Clear();
RestoredObjects.Clear();
ObjectSpace = null;
}
