🐛 Fix problem opening url when page-id didn't exist (#5833)

Co-authored-by: Andrey Antukh <niwi@niwi.nz>

CHANGES.md

@@ -62,6 +62,7 @@ is a number of cores)
 - Added upload svg with images method [#5489](https://github.com/penpot/penpot/issues/5489)
 - Fix problem with root frame parent reference [Taiga #9437](https://tree.taiga.io/project/penpot/issue/9437)
 - Fix change flex direction using plugins API [Taiga #9407](https://tree.taiga.io/project/penpot/issue/9407)
+- Fix problem opening url when page-id didn't exist [Taiga #10157](https://tree.taiga.io/project/penpot/issue/10157)
 - Fix problem with onboarding to a team [Taiga #10143](https://tree.taiga.io/project/penpot/issue/10143)
 - Fix problem with grid layout crashing [Taiga #10127](https://tree.taiga.io/project/penpot/issue/10127)
 

frontend/playwright/ui/specs/workspace.spec.js

@@ -15,6 +15,17 @@ test("User loads worskpace with empty file", async ({ page }) => {
   await expect(workspacePage.pageName).toHaveText("Page 1");
 });
 
+test("User opens a file with a bad page id", async ({ page }) => {
+  const workspacePage = new WorkspacePage(page);
+  await workspacePage.setupEmptyFile(page);
+
+  await workspacePage.goToWorkspace({
+    pageId: "badpage",
+  });
+
+  await expect(workspacePage.pageName).toHaveText("Page 1");
+});
+
 test("User receives presence notifications updates in the workspace", async ({
   page,
 }) => {

frontend/src/app/main/data/workspace.cljs

@@ -450,10 +450,12 @@
 
     ptk/WatchEvent
     (watch [_ state _]
+      (if (dsh/lookup-page state page-id)
         (let [file-id (:current-file-id state)]
           (rx/of (preload-data-uris page-id)
                  (dwth/watch-state-changes file-id page-id)
-               (dwl/watch-component-changes))))))
+                 (dwl/watch-component-changes)))
+        (rx/of (dcm/go-to-workspace))))))
 
 (defn finalize-page
   [page-id]