feat(notifications): Add function to remove nth notification

app/src/main/java/com/p_vacho/neat_calendar/activities/NotificationsActivity.kt

@@ -333,15 +333,9 @@ class NotificationsActivity : AppCompatActivity() {
                 lifecycleScope.launch(Dispatchers.IO) {
                     RetrofitClient.notificationsService.deleteNotification(notification.id)
                     withContext(Dispatchers.Main) {
-                        // Remove the notification & notify the adapter about it
+                        // This both notifies the adapter & removes the notification from the
-                        notifications.removeAt(position)
+                        // notifications list
-                        adapter.notifyItemRemoved(position)
+                        (rvNotifications.adapter as NotificationAdapter).removeNotificationAt(position)
-
-                        // Annoyingly, we can't just use notifyItemRemoved for the single removed item,
-                        // as all the items below it would now be using the wrong position that was
-                        // already bounded to the callbacks from the click listeners, so we need to refresh
-                        // all of the notifications below this one as well.
-                        adapter.notifyItemRangeChanged(position, notifications.size - position)
 
                         Toast.makeText(this@NotificationsActivity, "Notification deleted", Toast.LENGTH_SHORT).show()
                         updateEmptyState()

app/src/main/java/com/p_vacho/neat_calendar/adapters/NotificationAdapter.kt

@@ -189,4 +189,20 @@ class NotificationAdapter(
             else -> DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm").format(createdAt)
         }
     }
+
+    /**
+     * Remove a notification from the list and notify the adapter.
+     *
+     * Call this after the callback deletes the notification from the backend API.
+     */
+    fun removeNotificationAt(position: Int) {
+        notifications.removeAt(position)
+        notifyItemRemoved(position)
+
+        // Annoyingly, we can't just use notifyItemRemoved for the single removed item,
+        // as all the items below it would now be using the wrong position that was
+        // already bound to the callbacks from the click listeners, so we need to refresh
+        // all of the notifications below this one as well.
+        notifyItemRangeChanged(position, notifications.size - position)
+    }
 }