private async Task <IViewComponentResult> InvokeAsyncCore(ObjectMethodExecutor executor, ViewComponentContext context)
{
var component = _viewComponentFactory.CreateViewComponent(context);
using (_logger.ViewComponentScope(context))
{
var arguments = PrepareArguments(context.Arguments, executor);
_diagnosticListener.BeforeViewComponent(context, component);
_logger.ViewComponentExecuting(context, arguments);
var stopwatch = ValueStopwatch.StartNew();
object resultAsObject;
var returnType = executor.MethodReturnType;
if (returnType == typeof(Task <IViewComponentResult>))
{
var task = executor.Execute(component, arguments);
if (task is null)
{
throw new InvalidOperationException(Resources.ViewComponent_MustReturnValue);
}
resultAsObject = await(Task <IViewComponentResult>) task;
}
else if (returnType == typeof(Task <string>))
{
var task = executor.Execute(component, arguments);
if (task is null)
{
throw new InvalidOperationException(Resources.ViewComponent_MustReturnValue);
}
resultAsObject = await(Task <string>) task;
}
else if (returnType == typeof(Task <IHtmlContent>))
{
var task = executor.Execute(component, arguments);
if (task is null)
{
throw new InvalidOperationException(Resources.ViewComponent_MustReturnValue);
}
resultAsObject = await(Task <IHtmlContent>) task;
}
else
{
resultAsObject = await executor.ExecuteAsync(component, arguments);
}
var viewComponentResult = CoerceToViewComponentResult(resultAsObject);
_logger.ViewComponentExecuted(context, stopwatch.GetElapsedTime(), viewComponentResult);
_diagnosticListener.AfterViewComponent(context, viewComponentResult, component);
_viewComponentFactory.ReleaseViewComponent(context, component);
return(viewComponentResult);
}
}
