Only allow one open model alerts view (#3461)

extensions/ql-vscode/src/model-editor/model-alerts/model-alerts-view.ts

@@ -11,6 +11,9 @@ import type { App } from "../../common/app";
 import { redactableError } from "../../common/errors";
 import { extLogger } from "../../common/logging/vscode";
 import { showAndLogExceptionWithTelemetry } from "../../common/logging";
+import type { ModelingEvents } from "../modeling-events";
+import type { ModelingStore } from "../modeling-store";
+import type { DatabaseItem } from "../../databases/local-databases";
 
 export class ModelAlertsView extends AbstractWebview<
   ToModelAlertsMessage,
@@ -18,8 +21,15 @@ export class ModelAlertsView extends AbstractWebview<
 > {
   public static readonly viewType = "codeQL.modelAlerts";
 
-  public constructor(app: App) {
+  public constructor(
+    app: App,
+    private readonly modelingEvents: ModelingEvents,
+    private readonly modelingStore: ModelingStore,
+    private readonly dbItem: DatabaseItem,
+  ) {
     super(app);
+
+    this.registerToModelingEvents();
   }
 
   public async showView() {
@@ -40,7 +50,7 @@ export class ModelAlertsView extends AbstractWebview<
   }
 
   protected onPanelDispose(): void {
-    // Nothing to dispose
+    this.modelingStore.updateIsModelAlertsViewOpen(this.dbItem, false);
   }
 
   protected async onMessage(msg: FromModelAlertsMessage): Promise<void> {
@@ -64,4 +74,18 @@ export class ModelAlertsView extends AbstractWebview<
         assertNever(msg);
     }
   }
+
+  public async focusView(): Promise<void> {
+    this.panel?.reveal();
+  }
+
+  private registerToModelingEvents() {
+    this.push(
+      this.modelingEvents.onFocusModelAlertsView(async (event) => {
+        if (event.dbUri === this.dbItem.databaseUri.toString()) {
+          await this.focusView();
+        }
+      }),
+    );
+  }
 }

extensions/ql-vscode/src/model-editor/model-evaluator.ts

@@ -107,8 +107,21 @@ export class ModelEvaluator extends DisposableObject {
   }
 
   public async openModelAlertsView() {
-    const view = new ModelAlertsView(this.app);
-    await view.showView();
+    if (this.modelingStore.isModelAlertsViewOpen(this.dbItem)) {
+      this.modelingEvents.fireFocusModelAlertsViewEvent(
+        this.dbItem.databaseUri.toString(),
+      );
+      return;
+    } else {
+      this.modelingStore.updateIsModelAlertsViewOpen(this.dbItem, true);
+      const view = new ModelAlertsView(
+        this.app,
+        this.modelingEvents,
+        this.modelingStore,
+        this.dbItem,
+      );
+      await view.showView();
+    }
   }
 
   private registerToModelingEvents() {

extensions/ql-vscode/src/model-editor/modeling-events.ts

@@ -65,6 +65,10 @@ interface FocusModelEditorEvent {
   dbUri: string;
 }
 
+interface FocusModelAlertsViewEvent {
+  dbUri: string;
+}
+
 export class ModelingEvents extends DisposableObject {
   public readonly onActiveDbChanged: AppEvent<void>;
   public readonly onDbOpened: AppEvent<DatabaseItem>;
@@ -79,6 +83,7 @@ export class ModelingEvents extends DisposableObject {
   public readonly onModelEvaluationRunChanged: AppEvent<ModelEvaluationRunChangedEvent>;
   public readonly onRevealInModelEditor: AppEvent<RevealInModelEditorEvent>;
   public readonly onFocusModelEditor: AppEvent<FocusModelEditorEvent>;
+  public readonly onFocusModelAlertsView: AppEvent<FocusModelAlertsViewEvent>;
 
   private readonly onActiveDbChangedEventEmitter: AppEventEmitter<void>;
   private readonly onDbOpenedEventEmitter: AppEventEmitter<DatabaseItem>;
@@ -93,6 +98,7 @@ export class ModelingEvents extends DisposableObject {
   private readonly onModelEvaluationRunChangedEventEmitter: AppEventEmitter<ModelEvaluationRunChangedEvent>;
   private readonly onRevealInModelEditorEventEmitter: AppEventEmitter<RevealInModelEditorEvent>;
   private readonly onFocusModelEditorEventEmitter: AppEventEmitter<FocusModelEditorEvent>;
+  private readonly onFocusModelAlertsViewEventEmitter: AppEventEmitter<FocusModelAlertsViewEvent>;
 
   constructor(app: App) {
     super();
@@ -165,6 +171,11 @@ export class ModelingEvents extends DisposableObject {
       app.createEventEmitter<FocusModelEditorEvent>(),
     );
     this.onFocusModelEditor = this.onFocusModelEditorEventEmitter.event;
+
+    this.onFocusModelAlertsViewEventEmitter = this.push(
+      app.createEventEmitter<FocusModelAlertsViewEvent>(),
+    );
+    this.onFocusModelAlertsView = this.onFocusModelAlertsViewEventEmitter.event;
   }
 
   public fireActiveDbChangedEvent() {
@@ -286,4 +297,8 @@ export class ModelingEvents extends DisposableObject {
       dbUri,
     });
   }
+
+  public fireFocusModelAlertsViewEvent(dbUri: string) {
+    this.onFocusModelAlertsViewEventEmitter.fire({ dbUri });
+  }
 }

extensions/ql-vscode/src/model-editor/modeling-store.ts

@@ -20,6 +20,7 @@ interface InternalDbModelingState {
   selectedMethod: Method | undefined;
   selectedUsage: Usage | undefined;
   modelEvaluationRun: ModelEvaluationRun | undefined;
+  isModelAlertsViewOpen: boolean;
 }
 
 export interface DbModelingState {
@@ -34,6 +35,7 @@ export interface DbModelingState {
   readonly selectedMethod: Method | undefined;
   readonly selectedUsage: Usage | undefined;
   readonly modelEvaluationRun: ModelEvaluationRun | undefined;
+  readonly isModelAlertsViewOpen: boolean;
 }
 
 export interface SelectedMethodDetails {
@@ -71,6 +73,7 @@ export class ModelingStore extends DisposableObject {
       selectedUsage: undefined,
       inProgressMethods: new Set(),
       modelEvaluationRun: undefined,
+      isModelAlertsViewOpen: false,
     });
 
     this.modelingEvents.fireDbOpenedEvent(databaseItem);
@@ -498,4 +501,23 @@ export class ModelingStore extends DisposableObject {
       state.modelEvaluationRun,
     );
   }
+
+  public isModelAlertsViewOpen(dbItem: DatabaseItem): boolean {
+    return this.getState(dbItem).isModelAlertsViewOpen ?? false;
+  }
+
+  private changeIsModelAlertsViewOpen(
+    dbItem: DatabaseItem,
+    updateState: (state: InternalDbModelingState) => void,
+  ) {
+    const state = this.getState(dbItem);
+
+    updateState(state);
+  }
+
+  public updateIsModelAlertsViewOpen(dbItem: DatabaseItem, isOpen: boolean) {
+    this.changeIsModelAlertsViewOpen(dbItem, (state) => {
+      state.isModelAlertsViewOpen = isOpen;
+    });
+  }
 }

extensions/ql-vscode/src/view/model-editor/ModelEvaluation.tsx

@@ -34,7 +34,8 @@ export const ModelEvaluation = ({
 
   const shouldShowStopButton = !shouldShowEvaluateButton;
 
-  const shouldShowEvaluationRunLink = !!evaluationRun;
+  const shouldShowEvaluationRunLink =
+    !!evaluationRun && evaluationRun.variantAnalysis;
 
   const customModelsExist = Object.values(modeledMethods).some(
     (methods) => methods.filter((m) => m.type !== "none").length > 0,

extensions/ql-vscode/src/view/model-editor/__tests__/ModelEvaluation.spec.tsx

@@ -98,7 +98,7 @@ describe(ModelEvaluation.name, () => {
       expect(screen.queryByText("Stop evaluation")).not.toBeInTheDocument();
     });
 
-    it("renders 'Stop evaluation' button and 'Evaluation run' link when there is an in progress evaluation", () => {
+    it("renders 'Stop evaluation' button when there is an in progress evaluation, but no variant analysis yet", () => {
       render({
         evaluationRun: {
           isPreparing: true,
@@ -112,6 +112,27 @@ describe(ModelEvaluation.name, () => {
         stopEvaluationButton?.getElementsByTagName("input")[0],
       ).toBeEnabled();
 
+      expect(screen.queryByText("Evaluation run")).not.toBeInTheDocument();
+
+      expect(screen.queryByText("Evaluate")).not.toBeInTheDocument();
+    });
+
+    it("renders 'Stop evaluation' button and 'Evaluation run' link when there is an in progress evaluation with variant analysis", () => {
+      render({
+        evaluationRun: {
+          isPreparing: false,
+          variantAnalysis: createMockVariantAnalysis({
+            status: VariantAnalysisStatus.InProgress,
+          }),
+        },
+      });
+
+      const stopEvaluationButton = screen.queryByText("Stop evaluation");
+      expect(stopEvaluationButton).toBeInTheDocument();
+      expect(
+        stopEvaluationButton?.getElementsByTagName("input")[0],
+      ).toBeEnabled();
+
       expect(screen.queryByText("Evaluation run")).toBeInTheDocument();
 
       expect(screen.queryByText("Evaluate")).not.toBeInTheDocument();