internal RouteWorkflowTask(
RouteRequest routeRequest,
IRouteEntryRegistry routeEntryRegistry,
IRouteAuthorizationManager routeAuthorizationManager,
IRouterService routerService,
ILogger logger)
{
_routeRequest = routeRequest;
_routeEntryRegistry = routeEntryRegistry;
_routeAuthorizationManager = routeAuthorizationManager;
_routerService = routerService;
_logger = logger
.ForContext(SerilogConstants.Serilog_SourceContext_Name, nameof(RouteWorkflowTask))
.ForContext("Uri", Uri)
.ForContext("ViewportName", ViewportOptions.ToString())
.ForContext("InitData", InitData)
.ForContext("RouterServiceId", _routerService.RouterServiceId)
.ForContext("RoutingWorkflowId", RoutingWorkflowId);
}
internal async Task <RouteResult> GoAsync()
{
var initDataIsNull = InitData != null ? " with init data" : " without init data";
using var timer = PerformanceTimer.Start(_logger,
$"Routing operation to {Uri} in Viewport {ViewportOptions.ToString() + initDataIsNull}");
try
{
RouteEntryOption = RouteWorkflow.GetRouteEntry(_logger, _routeEntryRegistry, Uri);
timer.Checkpoint("Route entry retrieved.");
var routeResult = await RouteEntryOption.Match(
some : async routeEntry =>
{
//Check authorization
var routeContext = new RoutingContext(routeEntry, _routeRequest);
var authorized =
await RouteWorkflow.CheckRouteAuthorizationAsync(
_logger, _routeAuthorizationManager, routeContext);
timer.Checkpoint("Route auth checked.");
if (!authorized)
{
return(new RouteResult(RouteResultStatusCode.Unauthorized));
}
//Can deactivate current
var canDeactivate =
await RouteWorkflow.CanDeactivateCurrentRouteAsync(
_logger, _routerService, ViewportOptions, Uri,
InitData);
timer.Checkpoint("CanDeactivate checked.");
if (!canDeactivate)
{
return(new RouteResult(RouteResultStatusCode.CanDeactiveFailed));
}
//Activate new route
var canActivate = await RouteWorkflow.CanActivateNewRouteAsync(_logger);
timer.Checkpoint("Activate checked.");
if (!canActivate)
{
return(new RouteResult(RouteResultStatusCode.CanActivateFailed));
}
//Get ViewModel
Controller = RouteWorkflow.CreateViewModel(_logger, routeEntry);
timer.Checkpoint("Viewmodel created");
await RouteWorkflow.InitViewModel(_logger, InitData, Controller);
timer.Checkpoint("Viewmodel inited.");
//Get View
View = RouteWorkflow.CreateView(_logger, routeEntry);
timer.Checkpoint("View created.");
RouteWorkflow.AssignDataContext(_logger, View, Controller);
//IViewAware context
if (Controller is IViewAware viewAware)
{
RouteWorkflow.AssignViewToViewModel(_logger, View, viewAware);
timer.Checkpoint("ViewModel is view aware, so view assigned to view model");
}
//Add View to UI
var routeResult = RouteWorkflow.AddViewToUi(_logger, _routerService, this, View);
timer.Checkpoint("View added to UI.K");
return(routeResult);
},
none : async() => new RouteResult(RouteResultStatusCode.RouteNotFound));
FinishedTime = DateTime.UtcNow;
return(routeResult);
}
catch (Exception e)
{
_logger.Error(e, "Exception during RouteWorkflowTask.Go() method.");
throw;
}
}