initial commit

dev/tekton/examples/example-bank/public/javascript/clientHelpers/localstoragehelper.js

@@ -0,0 +1,31 @@
+function attendEvent(userSubject, event) {
+    let localStorageId = userSubject + '-events'
+    let userEvents = localStorage.getItem(localStorageId)
+
+    if (userEvents == null || userEvents == "") {
+        let events = []
+        events.push(event)
+        localStorage.setItem(userSubject + '-events', JSON.stringify(events))
+    } else {
+        let arrayOfEvents = JSON.parse(userEvents)
+        if (arrayOfEvents.filter(e => e.eventId === event.eventId).length > 0) {
+            console.log('event exists in local storage')
+        } else {
+            arrayOfEvents.push(event)
+        }
+        localStorage.setItem(localStorageId, JSON.stringify(arrayOfEvents))
+    }
+}
+
+function getStoredEvents(userSubject) {
+    let storedEventsString = localStorage.getItem(userSubject + '-events')
+    if (storedEventsString == null || storedEventsString == "") return null
+    return JSON.parse(storedEventsString)
+}
+
+function removeStoredEvent(userSubject, eventId) {
+    let localStorageId = userSubject + '-events'
+    let storedEvents = getStoredEvents(userSubject)
+    storedEvents = storedEvents.filter(e => e.eventId != eventId)
+    localStorage.setItem(localStorageId, JSON.stringify(storedEvents))
+}