From 0562331edc22514e2afa29aeffc768a544d130ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Herceg?= <tomas.herceg@riganti.cz>
Date: Sat, 12 Mar 2022 11:55:24 +0100
Subject: [PATCH] Information about current route is sent to the client

---
 .../Framework/Resources/Scripts/dotvvm-base.ts    | 15 ++++++++++++---
 .../Framework/Resources/Scripts/dotvvm-root.ts    |  4 +++-
 .../Serialization/DefaultViewModelSerializer.cs   |  6 ++++++
 3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/src/Framework/Framework/Resources/Scripts/dotvvm-base.ts b/src/Framework/Framework/Resources/Scripts/dotvvm-base.ts
index bd02db317c..2e695befd6 100644
--- a/src/Framework/Framework/Resources/Scripts/dotvvm-base.ts
+++ b/src/Framework/Framework/Resources/Scripts/dotvvm-base.ts
@@ -16,6 +16,10 @@ type DotvvmCoreState = {
     _viewModelCacheId?: string
     _virtualDirectory: string
     _initialUrl: string,
+    _routeName: string,
+    _routeParameters: {
+        [name: string]: any
+    },
     _stateManager: StateManager<RootViewModel>
 }
 
@@ -60,7 +64,8 @@ export function clearViewModelCache() {
     delete getCoreState()._viewModelCache;
 }
 export function getCulture(): string { return getCoreState()._culture; }
-
+export function getRouteName(): string { return getCoreState()._routeName; }
+export function getRouteParameters(): { [name: string]: any } { return getCoreState()._routeParameters; }
 export function getStateManager(): StateManager<RootViewModel> { return getCoreState()._stateManager }
 
 let initialViewModelWrapper: any;
@@ -85,7 +90,9 @@ export function initCore(culture: string): void {
         _culture: culture,
         _initialUrl: thisViewModel.url,
         _virtualDirectory: thisViewModel.virtualDirectory!,
-        _stateManager: manager
+        _stateManager: manager,
+        _routeName: thisViewModel.routeName,
+        _routeParameters: thisViewModel.routeParameters
     }
 
     // store cached viewmodel
@@ -106,7 +113,9 @@ export function initCore(culture: string): void {
                 _culture: currentCoreState!._culture,
                 _initialUrl: a.serverResponseObject.url,
                 _virtualDirectory: a.serverResponseObject.virtualDirectory!,
-                _stateManager: currentCoreState!._stateManager
+                _stateManager: currentCoreState!._stateManager,
+                _routeName: a.serverResponseObject.routeName,
+                _routeParameters: a.serverResponseObject.routeParameters
             }
         });
     }
diff --git a/src/Framework/Framework/Resources/Scripts/dotvvm-root.ts b/src/Framework/Framework/Resources/Scripts/dotvvm-root.ts
index 1064edfdef..d58c262bb4 100644
--- a/src/Framework/Framework/Resources/Scripts/dotvvm-root.ts
+++ b/src/Framework/Framework/Resources/Scripts/dotvvm-root.ts
@@ -1,4 +1,4 @@
-import { initCore, getViewModel, getViewModelObservable, initBindings, getCulture, getState, getStateManager } from "./dotvvm-base"
+import { initCore, getViewModel, getViewModelObservable, initBindings, getCulture, getState, getStateManager, getRouteName, getRouteParameters } from "./dotvvm-base"
 import * as events from './events'
 import * as spa from "./spa/spa"
 import * as validation from './validation/validation'
@@ -86,6 +86,8 @@ const dotvvmExports = {
             get viewModel() { return getViewModel() }
         }
     },
+    get routeName() { return getRouteName() },
+    get routeParameters() { return getRouteParameters() },
     get state() { return getState() },
     patchState(a: any) {
         getStateManager().patchState(a)
diff --git a/src/Framework/Framework/ViewModel/Serialization/DefaultViewModelSerializer.cs b/src/Framework/Framework/ViewModel/Serialization/DefaultViewModelSerializer.cs
index ce78606f16..5e74056ea1 100644
--- a/src/Framework/Framework/ViewModel/Serialization/DefaultViewModelSerializer.cs
+++ b/src/Framework/Framework/ViewModel/Serialization/DefaultViewModelSerializer.cs
@@ -149,6 +149,12 @@ public void BuildViewModel(IDotvvmRequestContext context, object? commandResult)
                 result["renderedResources"] = JArray.FromObject(context.ResourceManager.GetNamedResourcesInOrder().Select(r => r.Name));
             }
 
+            if (context.Route != null)
+            {
+                result["routeName"] = context.Route.RouteName;
+                result["routeParameters"] = new JObject(context.Parameters.Select(p => new JProperty(p.Key, p.Value)).ToArray());
+            }
+
             // TODO: do not send on postbacks
             if (validationRules?.Count > 0) result["validationRules"] = validationRules;