1 files changed, 20 insertions, 0 deletions
diff --git a/src/services/notification_utils/notification_utils.js b/src/services/notification_utils/notification_utils.js
new file mode 100644
index 00000000..f5ac0d47
--- /dev/null
+++ b/src/services/notification_utils/notification_utils.js
@@ -0,0 +1,20 @@
+import { filter, sortBy } from 'lodash'
+
+export const notificationsFromStore = store => store.state.statuses.notifications.data
+
+export const visibleTypes = store => ([
+  store.state.config.notificationVisibility.likes && 'like',
+  store.state.config.notificationVisibility.mentions && 'mention',
+  store.state.config.notificationVisibility.repeats && 'repeat',
+  store.state.config.notificationVisibility.follows && 'follow'
+].filter(_ => _))
+
+export const visibleNotificationsFromStore = store => {
+  // Don't know why, but sortBy([seen, -action.id]) doesn't work.
+  let sortedNotifications = sortBy(notificationsFromStore(store), ({action}) => -action.id)
+  sortedNotifications = sortBy(sortedNotifications, 'seen')
+  return sortedNotifications.filter((notification) => visibleTypes(store).includes(notification.type))
+}
+
+export const unseenNotificationsFromStore = store =>
+  filter(visibleNotificationsFromStore(store), ({seen}) => !seen)