Switch everything to Dexie.js

web/src/app/Prefs.js

@@ -0,0 +1,33 @@
+import db from "./db";
+
+class Prefs {
+    async setSelectedSubscriptionId(selectedSubscriptionId) {
+        db.prefs.put({key: 'selectedSubscriptionId', value: selectedSubscriptionId});
+    }
+
+    async selectedSubscriptionId() {
+        const selectedSubscriptionId = await db.prefs.get('selectedSubscriptionId');
+        return (selectedSubscriptionId) ? selectedSubscriptionId.value : "";
+    }
+
+    async setMinPriority(minPriority) {
+        db.prefs.put({key: 'minPriority', value: minPriority.toString()});
+    }
+
+    async minPriority() {
+        const minPriority = await db.prefs.get('minPriority');
+        return (minPriority) ? Number(minPriority.value) : 1;
+    }
+
+    async setDeleteAfter(deleteAfter) {
+        db.prefs.put({key:'deleteAfter', value: deleteAfter.toString()});
+    }
+
+    async deleteAfter() {
+        const deleteAfter = await db.prefs.get('deleteAfter');
+        return (deleteAfter) ? Number(deleteAfter.value) : 604800; // Default is one week
+    }
+}
+
+const prefs = new Prefs();
+export default prefs;