// Gets parent and children // getter for service // links: // docLink: http://sql2x.org/documentationLink/28672bb5-d65f-4daa-84f5-56d7bfad4b22 public ProductReferenceAttributeContract ProductReferenceAttributeCompleteGet(string productAttributeRcd, System.Guid userId) { var productContract = new ProductReferenceAttributeContract(); // open standard connection using (var connection = new SqlConnection(ConfigurationManager.AppSettings["Conn"])) { connection.Open(); try { productContract.ProductAttributeRef = new CrudeProductAttributeRefService().FetchAll(); // save checksum for comparison on update productContract.ChecksumAfterGet = productContract.Checksum(); } catch (Exception ex) { throw new Exception("Failed to get Parent/Child ProductAttributeRef", ex); } } return(productContract); }
// Updates parent, children are added or updated as needed // updater for service // links: // docLink: http://sql2x.org/documentationLink/b1aacc4e-64a1-4147-8b95-3a76ab53cf0c public string ProductReferenceAttributeCompleteUpdate(string productAttributeRcd, ProductReferenceAttributeContract productContract, System.Guid userId) { // check for differences since fetch if (productContract.ChecksumAfterGet.Equals(productContract.Checksum())) { return(String.Empty); } // check for database differences since fetch ProductReferenceAttributeContract productContractCurrent = ProductReferenceAttributeCompleteGet(productAttributeRcd, userId); if (!productContract.ChecksumAfterGet.Equals(productContractCurrent.Checksum())) { throw new Exception("ProductReferenceAttributeCompleteUpdate, data has changed since fetch"); } // open standard connection using (var connection = new SqlConnection(ConfigurationManager.AppSettings["Conn"])) { connection.Open(); SqlTransaction transaction = connection.BeginTransaction(); try { // update parent product attribute ref foreach (CrudeProductAttributeRefContract productAttributeRef in productContract.ProductAttributeRef) { new CrudeProductAttributeRefService().Update(productAttributeRef, connection, transaction); } transaction.Commit(); } catch (Exception ex) { transaction.Rollback(); throw new Exception("Failed to update Parent/Child ProductAttributeRef", ex); } } return(String.Empty); }