private List <DataType> updataAssociatedDataType(Unit unit, long[] newDataTypeIds, UnitManager unitManager)
{
if (unit != null)
{
DataTypeManager dataTypeManger = null;
try
{
dataTypeManger = new DataTypeManager();
List <DataType> existingDataTypes = unit.AssociatedDataTypes.ToList();
List <DataType> newDataTypes = newDataTypeIds == null ? new List <DataType>() : dataTypeManger.GetUnitOfWork().GetReadOnlyRepository <DataType>().Query().Where(p => newDataTypeIds.Contains(p.Id)).ToList();
List <DataType> tobeAddedDataTypes = newDataTypes.Except(existingDataTypes).ToList();
if (tobeAddedDataTypes != null && tobeAddedDataTypes.Count > 0)
{
unitManager.AddAssociatedDataType(unit, tobeAddedDataTypes);
}
existingDataTypes = unit.AssociatedDataTypes.ToList();
List <DataType> toBeRemoved = existingDataTypes.Except(newDataTypes).ToList();
if (toBeRemoved != null && toBeRemoved.Count() > 0)
{
unitManager.RemoveAssociatedDataType(unit, toBeRemoved);
}
return(unit.AssociatedDataTypes.ToList());
}
finally
{
dataTypeManger.Dispose();
}
}
return(null);
}