/// <summary>
/// All other services will be resolved from ServiceProvider.
/// </summary>
public MvcMiddleware(
MvcOptions mvcOptions,
IUseMvcBuilder useMvcBuilder
)
{
useMvcBuilder.Routers = useMvcBuilder.Routers ?? new List <IRouter>();
useMvcBuilder.ModelBinders = useMvcBuilder.ModelBinders ?? new List <IModelBinder>();
_mvcOptions = (MvcOptions)mvcOptions.Clone();
var serv = useMvcBuilder.ServiceProvider;
_mainRouter = new MainRouter(useMvcBuilder.Routers);
_contextPreparer = serv.GetRequiredService <IContextPreparer>();
//Controllers.
var controllers = useMvcBuilder.Controllers ?? new List <Type>();
var startupRoutes = useMvcBuilder.GetRoutes();
_globalSearchBag = CreateGlobalSearchBag(serv, startupRoutes, controllers);
var mainModelBinder = new MainModelBinder(useMvcBuilder.ModelBinders);
//Init services bus.
_servicesBus = serv.GetRequiredService <ServicesBus>();
var outerMiddlewaresInformer = new OuterMiddlewaresInformer(_mainRouter);
var mvcFeatures = new MvcFeatures();
_servicesBus.Init(
_mainRouter,
outerMiddlewaresInformer,
mvcFeatures,
mainModelBinder
);
}
async Task InvokeActionByName(ActionContext prevActionContext, int invokesCount)
{
var max = _mvcOptions.StartAnotherActionMaxStackLevel;
if (invokesCount > max)
{
throw new TelegramAspException($"StartAnotherAction invoked recursive more than {max} times. " +
$"You can change max value in MvcOptions.");
}
var startAnotherActionData = MvcFeatures.GetData(prevActionContext);
if (startAnotherActionData == null)
{
return;
}
var actName = startAnotherActionData.ActionName;
var ctx = prevActionContext.UpdateContext;
var actDesc = _globalSearchBag.FindByName(actName);
if (actDesc == null)
{
throw new TelegramAspException($"Can't find action with name '{actName}'.");
}
var actionContext = _contextPreparer.CreateContext(ctx, actDesc);
await actDesc.Handler.Invoke(actionContext);
//Check again.
await InvokeActionByName(actionContext, invokesCount + 1);
}
