public static bool Merge <T>(IEntity entity, bool bypassConflicts = false) where T : IEntity, new()
{
bool ret = true;
try
{
bool isNew = true;
foreach (ElementBaseData ebd in entity.__Elements.Where(ebd => ebd.SqlDbIsPrimaryKey).ToList())
{
if ((ebd.TypeName.Equals("int") && int.Parse(ebd.Data.ToString()) != 0) || (ebd.TypeName.Equals("Guid") && !Guid.Parse(ebd.Data.ToString()).Equals(Guid.Empty)))
{
isNew = false;
break;
}
}
if (isNew)
{
CRUDActions.Create <T>(entity);
return(true);
}
IEntity copy = new T();
copy.ConnectionString = entity.ConnectionString;
entity.__Elements.Where(ebd => ebd.SqlDbIsPrimaryKey).ToList().ForEach(ebd => copy.__Elements.Find(c => c.Name.Equals(ebd.Name)).Data = ebd.Data);
CRUDActions.Retrieve <T>(copy);
if (copy.Notifications.Count == 0)
{
if (entity.__Memento.Count == 0)
{
long fieldsToSave = entity.Compare(copy);
CRUDActions.Merge <T>(entity, fieldsToSave);
}
else
{
long fieldsToSave = entity.Compare();
if (fieldsToSave == 0)
{
return(false);
}
SetWarnings(entity, copy);
if (!bypassConflicts)
{
SetConflicts(entity, copy);
ret = entity.CRUDConflict.Fields.Count == 0;
}
if (ret)
{
entity.__Elements.ForEach(e => UpdateField(e, copy, fieldsToSave));
CRUDActions.Merge <T>(copy, fieldsToSave);
entity.__Elements.Where(e => !e.IsCollection).ToList().ForEach(e => SaveCollection(e, copy));
}
}
}
else
{
CRUDActions.Create <T>(entity);
}
}
catch (System.Exception ex)
{
entity.Exceptions.Add(new EntityException(1, ex.Message, ex));
}
return(ret);
}