Resolve "Error: Database not created"

src/app/modules/background/schedule/schedule-sync.service.ts

@@ -35,7 +35,7 @@ import {hashStringToInt} from './hash';
 import {
   CALENDAR_NOTIFICATIONS_ENABLED_KEY,
   CALENDAR_SYNC_ENABLED_KEY,
-  CALENDAR_SYNC_SETTINGS_KEY,
+  getCalendarSetting,
 } from '../../settings/page/calendar-sync-settings-keys';
 import {filter} from 'rxjs/operators';
 import {Capacitor} from '@capacitor/core';
@@ -49,7 +49,9 @@ export class ScheduleSyncService implements OnDestroy {
     private dateFormatPipe: DateFormatPipe,
     private durationFormatPipe: DurationPipe,
     private calendar: CalendarService,
-  ) {
+  ) {}
+
+  init() {
     this.scheduleProvider.uuids$
       .pipe(filter(uuids => uuids?.length > 0))
       .subscribe(uuids => {
@@ -67,14 +69,13 @@ export class ScheduleSyncService implements OnDestroy {
   }
 
   private async isSyncEnabled(): Promise<boolean> {
-    return await this.storageProvider.get(
-      `${CALENDAR_SYNC_SETTINGS_KEY}.${CALENDAR_SYNC_ENABLED_KEY}`,
-    );
+    return getCalendarSetting(this.storageProvider, CALENDAR_SYNC_ENABLED_KEY);
   }
 
   private async isNotificationsEnabled(): Promise<boolean> {
-    return await this.storageProvider.get(
-      `${CALENDAR_SYNC_SETTINGS_KEY}.${CALENDAR_NOTIFICATIONS_ENABLED_KEY}`,
+    return getCalendarSetting(
+      this.storageProvider,
+      CALENDAR_NOTIFICATIONS_ENABLED_KEY,
     );
   }
 
@@ -84,9 +85,10 @@ export class ScheduleSyncService implements OnDestroy {
     await BackgroundFetch.stop();
 
     if (
-      [this.isSyncEnabled, this.isNotificationsEnabled].some(
-        async it => await it(),
-      )
+      [
+        this.isSyncEnabled.bind(this),
+        this.isNotificationsEnabled.bind(this),
+      ].some(async it => await it())
     ) {
       const status = await BackgroundFetch.configure(
         {

src/app/modules/settings/page/calendar-sync-settings-keys.ts

@@ -13,9 +13,33 @@
  *  this program. If not, see <https://www.gnu.org/licenses/>.
  */
 
+import {StorageProvider} from '../../storage/storage.provider';
+
 export const CALENDAR_SYNC_SETTINGS_KEY = 'calendarSettings';
 export const CALENDAR_SYNC_ENABLED_KEY = 'sync';
 export const CALENDAR_NOTIFICATIONS_ENABLED_KEY = 'notifications';
 export type CALENDAR_SYNC_KEYS =
   | typeof CALENDAR_SYNC_ENABLED_KEY
   | typeof CALENDAR_NOTIFICATIONS_ENABLED_KEY;
+
+/**
+ *
+ */
+export async function getCalendarSetting(
+  storageProvider: StorageProvider,
+  key: CALENDAR_SYNC_KEYS,
+  defaultValue = false,
+): Promise<boolean> {
+  try {
+    return await storageProvider.get<boolean>(calendarSettingStorageKey(key));
+  } catch {
+    return defaultValue;
+  }
+}
+
+/**
+ *
+ */
+export function calendarSettingStorageKey(key: string): string {
+  return `${CALENDAR_SYNC_SETTINGS_KEY}.${key}`;
+}

src/app/modules/settings/page/calendar-sync-settings.component.ts

@@ -33,7 +33,8 @@ import {
   CALENDAR_NOTIFICATIONS_ENABLED_KEY,
   CALENDAR_SYNC_ENABLED_KEY,
   CALENDAR_SYNC_KEYS,
-  CALENDAR_SYNC_SETTINGS_KEY,
+  calendarSettingStorageKey,
+  getCalendarSetting,
 } from './calendar-sync-settings-keys';
 
 @Component({
@@ -71,10 +72,11 @@ export class CalendarSyncSettingsComponent implements OnInit {
     );
   }
 
-  async getSetting(key: CALENDAR_SYNC_KEYS) {
-    return (await this.storageProvider.get(
-      `${CALENDAR_SYNC_SETTINGS_KEY}.${key}`,
-    )) as boolean;
+  async getSetting(
+    key: CALENDAR_SYNC_KEYS,
+    defaultValue = false,
+  ): Promise<boolean> {
+    return getCalendarSetting(this.storageProvider, key, defaultValue);
   }
 
   async syncCalendar(sync: boolean) {
@@ -98,10 +100,7 @@ export class CalendarSyncSettingsComponent implements OnInit {
   async setSetting(settings: Partial<Record<CALENDAR_SYNC_KEYS, boolean>>) {
     await Promise.all(
       map(settings, (setting, key) =>
-        this.storageProvider.put(
-          `${CALENDAR_SYNC_SETTINGS_KEY}.${key}`,
-          setting,
-        ),
+        this.storageProvider.put(calendarSettingStorageKey(key), setting),
       ),
     );