links the period reminder to bleeding days, meaning it gets updated when they change

lib/notifications.js

@@ -3,7 +3,7 @@ import Notification from 'react-native-push-notification'
 import { LocalDate } from 'js-joda'
 import Moment from 'moment'
 import { settings as labels } from '../components/labels'
-import { getOrCreateCycleDay } from '../db'
+import { getOrCreateCycleDay, getBleedingDaysSortedByDate } from '../db'
 import cycleModule from './cycle'
 
 export default function setupNotifications(navigate) {
@@ -44,7 +44,17 @@ export default function setupNotifications(navigate) {
 
   periodReminderObservable(reminder => {
     Notification.cancelLocalNotifications({id: '2'})
-    if (reminder.enabled) {
+    if (reminder.enabled) setupPeriodReminder()
+  })
+
+  getBleedingDaysSortedByDate().addListener(() => {
+    Notification.cancelLocalNotifications({id: '2'})
+    if (periodReminderObservable.value.enabled) setupPeriodReminder()
+  })
+
+}
+
+function setupPeriodReminder() {
   const bleedingPrediction = cycleModule().getPredictedMenses()
   if (bleedingPrediction.length > 0) {
     const bleedingStart = Moment(bleedingPrediction[0][0], "YYYY-MM-DD")
@@ -64,6 +74,4 @@ export default function setupNotifications(navigate) {
       vibrate: false
     })
   }
-    }
-  })
 }