// 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);
}