public async Task Invoke(CRUDContext <TService> ctx)
{
RunTimeMetadata metadata = ctx.Service.GetMetadata();
ChangeSetRequest changeSet = ctx.Request;
IChangeSetGraph graph = ctx.Properties.Get <IChangeSetGraph>(CRUDContext <TService> .CHANGE_GRAPH_KEY) ?? throw new InvalidOperationException("Could not get Graph changes from properties");
if (!await ValidateRows(ctx, changeSet, metadata, graph.InsertList))
{
throw new ValidationException(ErrorStrings.ERR_SVC_CHANGES_ARENOT_VALID);
}
if (!await ValidateRows(ctx, changeSet, metadata, graph.UpdateList))
{
throw new ValidationException(ErrorStrings.ERR_SVC_CHANGES_ARENOT_VALID);
}
await _next(ctx);
}
public async Task Invoke(CRUDContext <TService> ctx)
{
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
IDataHelper <TService> dataHelper = ctx.ServiceContainer.GetDataHelper();
Metadata.RunTimeMetadata metadata = ctx.Service.GetMetadata();
ChangeSetRequest changeSet = ctx.Request;
IChangeSetGraph graph = ctx.Properties.Get <IChangeSetGraph>(CRUDContext <TService> .CHANGE_GRAPH_KEY) ?? throw new InvalidOperationException("Could not get Graph changes from properties");
CRUDServiceMethods serviceMethods = ctx.Properties.Get <CRUDServiceMethods>(CRUDContext <TService> .CHANGE_METHODS_KEY) ?? throw new InvalidOperationException("Could not get CRUD Service methods from properties");
RequestContext req = CRUDContext <TService> .CreateRequestContext(ctx.Service, changeSet);
using (RequestCallContext callContext = new RequestCallContext(req))
{
await serviceMethods.ExecuteChangeSet();
await serviceHelper.AfterExecuteChangeSet(changeSet);
await serviceMethods.AfterChangeSetExecuted();
foreach (RowInfo rowInfo in graph.AllList)
{
if (rowInfo.changeType != ChangeType.Deleted)
{
serviceHelper.UpdateRowInfoAfterUpdates(rowInfo);
}
}
SubResultList subResults = new SubResultList();
await serviceHelper.AfterChangeSetCommited(changeSet, subResults);
await serviceMethods.AfterChangeSetCommited(subResults);
SubsetsGenerator subsetsGenerator = new SubsetsGenerator(metadata, dataHelper);
ctx.Response.subsets = subsetsGenerator.CreateSubsets(subResults);
}
await _next(ctx);
}
public static void ConfigureCRUD <TService>(PipelineBuilder <TService, CRUDContext <TService> > builder)
where TService : BaseDomainService
{
CRUDMiddlewareOptions <TService> middlewareOptions = new CRUDMiddlewareOptions <TService>();
builder.UseMiddleware <CRUDMiddleware.AuthorizeMiddleware <TService>, TService, CRUDContext <TService> >(middlewareOptions);
builder.UseMiddleware <ApplyChangesMiddleware <TService>, TService, CRUDContext <TService> >(middlewareOptions);
builder.UseMiddleware <ValidateChangesMiddleware <TService>, TService, CRUDContext <TService> >(middlewareOptions);
builder.UseMiddleware <CommitChangesMiddleware <TService>, TService, CRUDContext <TService> >(middlewareOptions);
builder.Run(ctx =>
{
IChangeSetGraph graph = ctx.Properties.Get <IChangeSetGraph>(CRUDContext <TService> .CHANGE_GRAPH_KEY) ?? throw new InvalidOperationException("Could not get Graph changes from properties");
CRUDServiceMethods serviceMethods = ctx.Properties.Get <CRUDServiceMethods>(CRUDContext <TService> .CHANGE_METHODS_KEY) ?? throw new InvalidOperationException("Could not get CRUD Service methods from properties");
foreach (RowInfo rowInfo in graph.AllList)
{
serviceMethods.TrackChanges(rowInfo);
}
return(Task.CompletedTask);
});
}
private async Task Insert(CRUDContext <TService> ctx, RunTimeMetadata metadata, ChangeSetRequest changeSet, IChangeSetGraph graph, RowInfo rowInfo)
{
TService service = ctx.Service;
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
CheckRowInfo(rowInfo);
using (RequestCallContext callContext = new RequestCallContext(CRUDContext <TService> .CreateRequestContext(service, changeSet, rowInfo)))
{
rowInfo.SetChangeState(new EntityChangeState {
ParentRows = graph.GetParents(rowInfo)
});
await serviceHelper.InsertEntity(metadata, rowInfo);
}
}
