handle handler state not being known due to missing incoming message

Author: PhilBastian

src/Frontend/src/components/messages2/SequenceDiagram/HandlersComponent.vue

@@ -27,8 +27,8 @@ const handlerItems = computed(() => {
     const fill = (() => {
       if (handler.id === "First") return "black";
       if (handler.state === HandlerState.Fail) return "var(--error)";
-      if (handler.route?.name === selectedId.value) return "var(--highlight)";
-      if (handler.route?.name === highlightId.value) return "var(--highlight-background)";
+      if (handler.route && handler.route.name === selectedId.value) return "var(--highlight)";
+      if (handler.route && handler.route.name === highlightId.value) return "var(--highlight-background)";
       return "var(--gray60)";
     })();
     const icon = (() => {

src/Frontend/src/components/messages2/SequenceDiagram/tooltipOverlay.ts

@@ -5,6 +5,7 @@ import { useTippy } from "vue-tippy";
 import EndpointTooltip from "./EndpointTooltip.vue";
 import HandlerTooltip from "./HandlerTooltip.vue";
 import RouteTooltip from "./RouteTooltip.vue";
+import { HandlerState } from "@/resources/SequenceDiagram/Handler";
 
 export default function useTooltips() {
   const store = useSequenceDiagramStore();
@@ -30,7 +31,7 @@ export default function useTooltips() {
     () => handlers.value.map((handler) => handler.uiRef),
     () =>
       handlers.value
-        .filter((handler) => handler.uiRef)
+        .filter((handler) => handler.uiRef && handler.state !== HandlerState.Unknown)
         .forEach((handler) =>
           useTippy(handler.uiRef, {
             interactive: true,

src/Frontend/src/resources/SequenceDiagram/Handler.ts

@@ -27,6 +27,7 @@ export interface Handler {
 export enum HandlerState {
   Fail,
   Success,
+  Unknown,
 }
 
 export const ConversationStartHandlerName = "First";
@@ -85,7 +86,7 @@ class HandlerItem implements Handler {
   name?: string;
   partOfSaga?: string;
   inMessage?: RoutedMessage;
-  state: HandlerState = HandlerState.Fail;
+  state: HandlerState = HandlerState.Unknown;
   processedAt?: Date;
   processingTime?: number;
   route?: MessageProcessingRoute;