Notifications + AsyncStorage

lib/asyncStorage.ts

@@ -0,0 +1,15 @@
+import AsyncStorage from '@react-native-async-storage/async-storage';
+
+const notificationKey = (aId: string) => `assignment_notification_${aId}`;
+
+export async function SaveAssignmentNotificationId(aId: string, notificationId: string) {
+  await AsyncStorage.setItem(notificationKey(aId), notificationId);
+}
+
+export async function GetAssignmentNotificationId(aId: string) {
+  return await AsyncStorage.getItem(notificationKey(aId));
+}
+
+export async function RemoveAssignmentNotificationId(aId: string) {
+  await AsyncStorage.removeItem(notificationKey(aId));
+}