BExIS.Web.Shell.Areas.DCM.Controllers.FormController.AddMetadataAttributeUsage C# (CSharp) Method

        public ActionResult AddMetadataAttributeUsage(int id, int parentid, int number, int parentModelNumber, int parentStepId)
        {
            TaskManager = (CreateTaskmanager)Session["CreateDatasetTaskmanager"];

            long metadataStructureId = Convert.ToInt64(TaskManager.Bus[CreateTaskmanager.METADATASTRUCTURE_ID]);

            List<StepModelHelper> list = (List<StepModelHelper>)TaskManager.Bus[CreateTaskmanager.METADATA_STEP_MODEL_HELPER];

            StepModelHelper stepModelHelperParent = list.Where(s => s.StepId.Equals(parentStepId)).FirstOrDefault();

            BaseUsage parentUsage = LoadUsage(stepModelHelperParent.Usage);
            int pNumber = stepModelHelperParent.Number;

            BaseUsage metadataAttributeUsage = UsageHelper.GetChildren(parentUsage).Where(u => u.Id.Equals(id)).FirstOrDefault();

            //BaseUsage metadataAttributeUsage = UsageHelper.GetSimpleUsageById(parentUsage, id);

            MetadataAttributeModel modelAttribute = MetadataAttributeModel.Convert(metadataAttributeUsage, parentUsage, metadataStructureId, parentModelNumber, stepModelHelperParent.StepId);
            modelAttribute.Number = ++number;

            AbstractMetadataStepModel model = stepModelHelperParent.Model;

            Insert(modelAttribute, stepModelHelperParent, number);
            UpdateChildrens(stepModelHelperParent, modelAttribute.Source.Id);

            //addtoxml
            AddAttributeToXml(parentUsage, parentModelNumber, metadataAttributeUsage, number, stepModelHelperParent.XPath);

            model.ConvertInstance((XDocument)TaskManager.Bus[CreateTaskmanager.METADATA_XML], stepModelHelperParent.XPath + "//" + metadataAttributeUsage.Label.Replace(" ", string.Empty));

            if (model != null)
            {

                if (model is MetadataPackageModel)
                {
                    return PartialView("_metadataPackageUsageView", stepModelHelperParent);
                }

                if (model is MetadataCompoundAttributeModel)
                {
                    return PartialView("_metadataCompoundAttributeUsageView", stepModelHelperParent);
                }
            }

            return null;
        }