fix: resetting application deletes all dbs and works without login (#…

…2090)

* reset from support component deletes all dbs
* prevent error when viewing support component while not logged in

---------

Co-authored-by: Sebastian Leidig <sebastian@aam-digital.com>

src/app/core/support/support/support.component.spec.ts

@@ -24,6 +24,13 @@ import { DownloadService } from "../../export/download-service/download.service"
 import { AuthService } from "../../session/auth/auth.service";
 import { TEST_USER } from "../../../utils/mock-local-session";
 
+class MockDeleteRequest {
+  onsuccess: () => {};
+  constructor() {
+    setTimeout(() => this.onsuccess());
+  }
+}
+
 describe("SupportComponent", () => {
   let component: SupportComponent;
   let fixture: ComponentFixture<SupportComponent>;
@@ -36,6 +43,12 @@ describe("SupportComponent", () => {
       userAgent: "mock user agent",
       serviceWorker: { getRegistrations: () => [], ready: Promise.resolve() },
     },
+    indexedDB: {
+      databases: jasmine.createSpy(),
+      deleteDatabase: jasmine
+        .createSpy()
+        .and.callFake(() => new MockDeleteRequest()),
+    },
   };
   let mockLocation: any;
 
@@ -112,13 +125,18 @@ describe("SupportComponent", () => {
     mockWindow.navigator.serviceWorker.getRegistrations = () => [
       { unregister: unregisterSpy },
     ];
+    mockWindow.indexedDB.databases.and.resolveTo([
+      { name: "db1" },
+      { name: "db2" },
+    ]);
 
     await component.resetApplication();
 
-    expect(mockDB.destroy).toHaveBeenCalled();
     expect(unregisterSpy).toHaveBeenCalled();
     expect(localStorage.getItem("someItem")).toBeNull();
     expect(mockLocation.pathname).toBe("");
+    expect(mockWindow.indexedDB.deleteDatabase).toHaveBeenCalledWith("db1");
+    expect(mockWindow.indexedDB.deleteDatabase).toHaveBeenCalledWith("db2");
   });
 
   it("should display the service worker logs after they are available", fakeAsync(() => {

src/app/core/support/support/support.component.ts

@@ -108,6 +108,11 @@ export class SupportComponent implements OnInit {
   }
 
   private initDbInfo() {
+    if (!this.database || !this.database.getPouchDB()) {
+      this.dbInfo = "db not initialized";
+      return;
+    }
+
     return this.database
       .getPouchDB()
       .info()
@@ -154,7 +159,9 @@ export class SupportComponent implements OnInit {
       return;
     }
 
-    await this.database.destroy();
+    const dbs = await this.window.indexedDB.databases();
+    await Promise.all(dbs.map(({ name }) => this.destroyDatabase(name)));
+
     const registrations =
       await this.window.navigator.serviceWorker.getRegistrations();
     const unregisterPromises = registrations.map((reg) => reg.unregister());
@@ -171,4 +178,12 @@ export class SupportComponent implements OnInit {
       "aamdigital_data_" + new Date().toISOString(),
     );
   }
+
+  private destroyDatabase(name: string) {
+    return new Promise((resolve, reject) => {
+      const del = this.window.indexedDB.deleteDatabase(name);
+      del.onsuccess = resolve;
+      del.onerror = reject;
+    });
+  }
 }