public async Task Invoke(RefreshContext <TService> ctx)
{
DbSetInfo dbSetInfo = ctx.Request.GetDbSetInfo() ?? throw new InvalidOperationException($"Could not get the DbSet for {ctx.Request.dbSetName}");
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
RunTimeMetadata metadata = ctx.Service.GetMetadata();
RequestContext req = RefreshContext <TService> .CreateRequestContext(ctx.Service, ctx.Request.rowInfo);
using (RequestCallContext callContext = new RequestCallContext(req))
{
MethodInfoData methodData = metadata.GetOperationMethodInfo(ctx.Request.dbSetName, MethodType.Refresh);
object instance = serviceHelper.GetMethodOwner(methodData);
object invokeRes = methodData.MethodInfo.Invoke(instance, new object[] { ctx.Request });
object dbEntity = await serviceHelper.GetMethodResult(invokeRes);
if (dbEntity != null)
{
serviceHelper.UpdateRowInfoFromEntity(dbEntity, ctx.Request.rowInfo);
}
else
{
throw new InvalidOperationException($"Refresh Operation for {ctx.Request.dbSetName} did not return a result");
}
}
await _next(ctx);
}
public async Task Invoke(InvokeContext <TService> ctx)
{
IDataHelper <TService> dataHelper = ctx.ServiceContainer.GetDataHelper();
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
RunTimeMetadata metadata = ctx.Service.GetMetadata();
MethodDescription method = metadata.GetInvokeMethod(ctx.Request.methodName);
List <object> methParams = new List <object>();
for (int i = 0; i < method.parameters.Count; ++i)
{
methParams.Add(ctx.Request.paramInfo.GetValue(method.parameters[i].name, method, dataHelper));
}
RequestContext req = InvokeContext <TService> .CreateRequestContext(ctx.Service);
using (RequestCallContext callContext = new RequestCallContext(req))
{
MethodInfoData methodData = method.GetMethodData();
object instance = serviceHelper.GetMethodOwner(methodData);
object invokeRes = methodData.MethodInfo.Invoke(instance, methParams.ToArray());
object methodResult = await serviceHelper.GetMethodResult(invokeRes);
if (method.methodResult)
{
ctx.Response.result = methodResult;
}
}
await _next(ctx);
}
protected virtual void Dispose(bool isDisposing)
{
if (_serviceHelper is IDisposable && isDisposing)
{
(_serviceHelper as IDisposable).Dispose();
}
this._serviceHelper = null;
this._serviceContainer = null;
}
public BaseDomainService(IServiceArgs args)
{
this.serializer = args.serializer;
if (this.serializer == null)
{
throw new ArgumentException(ErrorStrings.ERR_NO_SERIALIZER);
}
this._User = args.principal;
this._IsCodeGenEnabled = false;
this._codeGenProviders = null;
this._serviceContainer = this.CreateServiceContainer();
this._serviceHelper = this.CreateServiceHelper();
}
private async Task Delete(CRUDContext <TService> ctx, RunTimeMetadata metadata, ChangeSetRequest changeSet, 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());
await serviceHelper.DeleteEntity(metadata, rowInfo);;
}
}
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);
}
}
public async Task Invoke(CRUDContext <TService> ctx)
{
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
RunTimeMetadata metadata = ctx.Service.GetMetadata();
ChangeSetRequest changeSet = ctx.Request;
ChangeSetGraph graph = new ChangeSetGraph(ctx.Request, metadata);
graph.Prepare();
ctx.Properties.Add(CRUDContext <TService> .CHANGE_GRAPH_KEY, graph);
RowInfo currentRowInfo = null;
try
{
foreach (RowInfo rowInfo in graph.InsertList)
{
currentRowInfo = rowInfo;
await Insert(ctx, metadata, changeSet, graph, rowInfo);
}
foreach (RowInfo rowInfo in graph.UpdateList)
{
currentRowInfo = rowInfo;
await Update(ctx, metadata, changeSet, rowInfo);
}
foreach (RowInfo rowInfo in graph.DeleteList)
{
currentRowInfo = rowInfo;
await Delete(ctx, metadata, changeSet, rowInfo);
}
}
catch (Exception ex)
{
if (currentRowInfo != null)
{
object dbEntity = currentRowInfo.GetChangeState()?.Entity;
currentRowInfo.SetChangeState(new EntityChangeState {
Entity = dbEntity, Error = ex
});
}
throw;
}
await _next(ctx);
}
public async Task Invoke(QueryContext <TService> ctx)
{
DbSetInfo dbSetInfo = ctx.Request.GetDbSetInfo() ?? throw new InvalidOperationException($"Could not get the DbSet for {ctx.Request.dbSetName}");
IDataHelper <TService> dataHelper = ctx.ServiceContainer.GetDataHelper();
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
RunTimeMetadata metadata = ctx.Service.GetMetadata();
MethodDescription method = metadata.GetQueryMethod(ctx.Request.dbSetName, ctx.Request.queryName);
LinkedList <object> methParams = new LinkedList <object>();
for (int i = 0; i < method.parameters.Count; ++i)
{
methParams.AddLast(ctx.Request.paramInfo.GetValue(method.parameters[i].name, method, dataHelper));
}
RequestContext req = QueryContext <TService> .CreateRequestContext(ctx.Service, ctx.Request);
using (RequestCallContext callContext = new RequestCallContext(req))
{
MethodInfoData methodData = method.GetMethodData();
object instance = serviceHelper.GetMethodOwner(methodData);
object invokeRes = methodData.MethodInfo.Invoke(instance, methParams.ToArray());
QueryResult queryResult = (QueryResult)await serviceHelper.GetMethodResult(invokeRes);
IEnumerable <object> entities = queryResult.Result;
int? totalCount = queryResult.TotalCount;
RowGenerator rowGenerator = new RowGenerator(dbSetInfo, entities, dataHelper);
IEnumerable <Row> rows = rowGenerator.CreateRows();
SubsetsGenerator subsetsGenerator = new SubsetsGenerator(metadata, dataHelper);
SubsetList subResults = subsetsGenerator.CreateSubsets(queryResult.subResults);
ctx.Response.names = dbSetInfo.GetNames();
ctx.Response.totalCount = totalCount;
ctx.Response.rows = rows;
ctx.Response.subsets = subResults;
ctx.Response.extraInfo = queryResult.extraInfo;
}
await _next(ctx);
}
private async Task <bool> ValidateRows(CRUDContext <TService> ctx, ChangeSetRequest changeSet, RunTimeMetadata metadata, IEnumerable <RowInfo> rows)
{
TService service = ctx.Service;
IServiceOperationsHelper <TService> serviceHelper = ctx.ServiceContainer.GetServiceHelper();
foreach (RowInfo rowInfo in rows)
{
RequestContext req = CRUDContext <TService> .CreateRequestContext(service, changeSet, rowInfo);
using (RequestCallContext callContext = new RequestCallContext(req))
{
if (!await serviceHelper.ValidateEntity(metadata, req))
{
rowInfo.invalid = rowInfo.GetChangeState().ValidationErrors;
return(false);
}
}
}
return(true);
}
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);
}
