(core) Skip showing empty doc tours

Summary: Empty doc tours are now skipped. Before, an error was shown instead.

Test Plan: Browser test.

Reviewers: jarek

Reviewed By: jarek

Differential Revision: https://phab.getgrist.com/D4204

app/client/components/GristDoc.ts

@@ -358,9 +358,9 @@ export class GristDoc extends DisposableWithEvents {
       urlState().state,
       isTourActiveObs(),
       fromKo(this.docModel.isTutorial),
-      (_use, state, hasActiveTour, isTutorial) => {
+      async (_use, state, hasActiveTour, isTutorial) => {
         // Tours and tutorials can interfere with in-product tips and announcements.
-        const hasPendingDocTour = state.docTour || this._shouldAutoStartDocTour();
+        const hasPendingDocTour = state.docTour || await this._shouldAutoStartDocTour();
         const hasPendingWelcomeTour = state.welcomeTour || this._shouldAutoStartWelcomeTour();
         const isPopupManagerDisabled = this.behavioralPromptsManager.isDisabled();
         if (
@@ -401,7 +401,7 @@ export class GristDoc extends DisposableWithEvents {
       }
 
       const shouldStartTutorial = isTutorial;
-      const shouldStartDocTour = state.docTour || this._shouldAutoStartDocTour();
+      const shouldStartDocTour = state.docTour || await this._shouldAutoStartDocTour();
       const shouldStartWelcomeTour = state.welcomeTour || this._shouldAutoStartWelcomeTour();
       if (shouldStartTutorial || shouldStartDocTour || shouldStartWelcomeTour) {
         isStartingTourOrTutorial = true;
@@ -1823,15 +1823,22 @@ export class GristDoc extends DisposableWithEvents {
   /**
    * Returns whether a doc tour should automatically be started.
    *
-   * Currently, tours are started if a GristDocTour table exists and the user hasn't
-   * seen the tour before.
+   * Currently, tours are started if a non-empty GristDocTour table exists and the
+   * user hasn't seen the tour before.
    */
-  private _shouldAutoStartDocTour(): boolean {
-    if (this._disableAutoStartingTours || this.docModel.isTutorial()) {
+  private async _shouldAutoStartDocTour(): Promise<boolean> {
+    if (
+      this._disableAutoStartingTours ||
+      this.docModel.isTutorial() ||
+      !this.docModel.hasDocTour() ||
+      this._seenDocTours.get()?.includes(this.docId())
+    ) {
       return false;
     }
 
-    return this.docModel.hasDocTour() && !this._seenDocTours.get()?.includes(this.docId());
+    const tableData = this.docData.getTable('GristDocTour')!;
+    await this.docData.fetchTable('GristDocTour');
+    return tableData.numRecords() > 0;
   }
 
   /**

test/nbrowser/DuplicateDocument.ts

@@ -218,4 +218,23 @@ describe("DuplicateDocument", function() {
     await driver.find(".test-bc-workspace").click();
     await gu.removeDoc(`DuplicateTest2 ${name} Copy`);
   });
+
+  it("should not auto-start tour if a document with a tour is copied as a template", async function() {
+    const session = await gu.session().teamSite.login();
+    await session.tempDoc(cleanup, 'doctour.grist');
+    await session.tempWorkspace(cleanup, 'Test Workspace');
+    assert.isTrue(await driver.findWait('.test-onboarding-popup', 1000).isPresent());
+    await driver.find('.test-onboarding-close').click();
+    await gu.waitForServer();
+
+    await driver.find('.test-tb-share').click();
+    await driver.find('.test-save-copy').click();
+    await driver.findWait('.test-modal-dialog', 1000);
+    await driver.find('.test-save-as-template').click();
+    await gu.completeCopy({destName: 'DuplicateTest3', destWorkspace: 'Test Workspace'});
+
+    // Give it a second, just to be sure the tour doesn't appear.
+    await driver.sleep(1000);
+    assert.isFalse(await driver.find('.test-onboarding-popup').isPresent());
+  });
 });