public NorthwindResultSet SubmitChanges(ClientInfo clientInfo, NorthwindChangeSet changeSet)
{
var resultSet = new NorthwindResultSet(changeSet);
using (var transactionScope = CreateSavingTransactionScope())
{
using (var dataRepository = _repositoryFactory(clientInfo))
{
// optional custom processing
PreProcessing(clientInfo, ref changeSet, dataRepository);
// apply chnages to repository
ApplyChanges(dataRepository, dataRepository.Categories, changeSet, changeSet.Categories, clientInfo);
ApplyChanges(dataRepository, dataRepository.DemographicGroups, changeSet, changeSet.DemographicGroups, clientInfo);
ApplyChanges(dataRepository, dataRepository.Customers, changeSet, changeSet.Customers, clientInfo);
ApplyChanges(dataRepository, dataRepository.DynamicContentEntities, changeSet, changeSet.DynamicContentEntities, clientInfo);
ApplyChanges(dataRepository, dataRepository.Employees, changeSet, changeSet.Employees, clientInfo);
ApplyChanges(dataRepository, dataRepository.Order_Details, changeSet, changeSet.Order_Details, clientInfo);
ApplyChanges(dataRepository, dataRepository.Orders, changeSet, changeSet.Orders, clientInfo);
ApplyChanges(dataRepository, dataRepository.Products, changeSet, changeSet.Products, clientInfo);
ApplyChanges(dataRepository, dataRepository.Regions, changeSet, changeSet.Regions, clientInfo);
ApplyChanges(dataRepository, dataRepository.Shippers, changeSet, changeSet.Shippers, clientInfo);
ApplyChanges(dataRepository, dataRepository.Suppliers, changeSet, changeSet.Suppliers, clientInfo);
ApplyChanges(dataRepository, dataRepository.Territories, changeSet, changeSet.Territories, clientInfo);
// optional custom processing
BeforeSaving(clientInfo, ref changeSet, dataRepository);
// save changes
SaveChanges(dataRepository, changeSet, resultSet);
// optional custom processing
PostProcessing(clientInfo, ref resultSet, dataRepository);
}
transactionScope.Complete();
}
return(resultSet);
}
public NorthwindChangeSet CreateChangeSet(IEnumerable <Category> categories, IEnumerable <DemographicGroup> demographicGroups, IEnumerable <Customer> customers, IEnumerable <DynamicContentEntity> dynamicContentEntities, IEnumerable <Employee> employees, IEnumerable <Order_Detail> order_Details, IEnumerable <Order> orders, IEnumerable <Product> products, IEnumerable <Region> regions, IEnumerable <Shipper> shippers, IEnumerable <Supplier> suppliers, IEnumerable <Territory> territories)
{
// retrieve changes sets (modified entities)
var categoryChangeSet = GetChangeSet(categories);
var demographicGroupChangeSet = GetChangeSet(demographicGroups);
var customerChangeSet = GetChangeSet(customers);
var dynamicContentEntityChangeSet = GetChangeSet(dynamicContentEntities);
var employeeChangeSet = GetChangeSet(employees);
var order_DetailChangeSet = GetChangeSet(order_Details);
var orderChangeSet = GetChangeSet(orders);
var productChangeSet = GetChangeSet(products);
var regionChangeSet = GetChangeSet(regions);
var shipperChangeSet = GetChangeSet(shippers);
var supplierChangeSet = GetChangeSet(suppliers);
var territoryChangeSet = GetChangeSet(territories);
// reduce entities (copy changed values)
var categoriesMap = ReduceToModifications(categoryChangeSet);
var demographicGroupsMap = ReduceToModifications(demographicGroupChangeSet);
var customersMap = ReduceToModifications(customerChangeSet);
var dynamicContentEntitiesMap = ReduceToModifications(dynamicContentEntityChangeSet);
var employeesMap = ReduceToModifications(employeeChangeSet);
var order_DetailsMap = ReduceToModifications(order_DetailChangeSet);
var ordersMap = ReduceToModifications(orderChangeSet);
var productsMap = ReduceToModifications(productChangeSet);
var regionsMap = ReduceToModifications(regionChangeSet);
var shippersMap = ReduceToModifications(shipperChangeSet);
var suppliersMap = ReduceToModifications(supplierChangeSet);
var territoriesMap = ReduceToModifications(territoryChangeSet);
// fixup relations (replaces related entities with reduced entites)
FixupRelations(
CastToEntityTuple(categoriesMap),
CastToEntityTuple(demographicGroupsMap),
CastToEntityTuple(customersMap),
CastToEntityTuple(dynamicContentEntitiesMap),
CastToEntityTuple(employeesMap),
CastToEntityTuple(order_DetailsMap),
CastToEntityTuple(ordersMap),
CastToEntityTuple(productsMap),
CastToEntityTuple(regionsMap),
CastToEntityTuple(shippersMap),
CastToEntityTuple(suppliersMap),
CastToEntityTuple(territoriesMap)
);
var changeSet = new NorthwindChangeSet();
if (categoriesMap.Count > 0)
{
changeSet.Categories = categoriesMap.Select(e => e.ReducedEntity).ToList();
}
if (demographicGroupsMap.Count > 0)
{
changeSet.DemographicGroups = demographicGroupsMap.Select(e => e.ReducedEntity).ToList();
}
if (customersMap.Count > 0)
{
changeSet.Customers = customersMap.Select(e => e.ReducedEntity).ToList();
}
if (dynamicContentEntitiesMap.Count > 0)
{
changeSet.DynamicContentEntities = dynamicContentEntitiesMap.Select(e => e.ReducedEntity).ToList();
}
if (employeesMap.Count > 0)
{
changeSet.Employees = employeesMap.Select(e => e.ReducedEntity).ToList();
}
if (order_DetailsMap.Count > 0)
{
changeSet.Order_Details = order_DetailsMap.Select(e => e.ReducedEntity).ToList();
}
if (ordersMap.Count > 0)
{
changeSet.Orders = ordersMap.Select(e => e.ReducedEntity).ToList();
}
if (productsMap.Count > 0)
{
changeSet.Products = productsMap.Select(e => e.ReducedEntity).ToList();
}
if (regionsMap.Count > 0)
{
changeSet.Regions = regionsMap.Select(e => e.ReducedEntity).ToList();
}
if (shippersMap.Count > 0)
{
changeSet.Shippers = shippersMap.Select(e => e.ReducedEntity).ToList();
}
if (suppliersMap.Count > 0)
{
changeSet.Suppliers = suppliersMap.Select(e => e.ReducedEntity).ToList();
}
if (territoriesMap.Count > 0)
{
changeSet.Territories = territoriesMap.Select(e => e.ReducedEntity).ToList();
}
return(changeSet);
}
partial void BeforeSaving(ClientInfo clientInfo, ref NorthwindChangeSet changeSet, INorthwindRepository repository);
partial void PreProcessing(ClientInfo clientInfo, ref NorthwindChangeSet changeSet, INorthwindRepository repository);
