Feed updates (Closes #344) (#356)

* Rework feed polling to correctly detect when new content is available (close #344)

* Tweak how the tuner works for consistency

* Improve the feed-update behavior after posting

* Load latest notifications when opening the tab

src/view/com/composer/Composer.tsx

@@ -166,7 +166,7 @@ export const ComposePost = observer(function ComposePost({
       setIsProcessing(false)
       return
     }
-    store.me.mainFeed.loadLatest()
+    store.me.mainFeed.checkForLatest({autoPrepend: true})
     onPost?.()
     hackfixOnClose()
     Toast.show(`Your ${replyTo ? 'reply' : 'post'} has been published`)

src/view/screens/Home.tsx

@@ -158,7 +158,7 @@ const FeedPage = observer(
     }, [feed])
 
     const onPressLoadLatest = React.useCallback(() => {
-      feed.refresh()
+      feed.resetToLatest()
       scrollToTop()
     }, [feed, scrollToTop])
 

src/view/screens/Notifications.tsx

@@ -74,7 +74,8 @@ export const NotificationsScreen = withAuthRequired(
       React.useCallback(() => {
         store.log.debug('NotificationsScreen: Updating feed')
         const softResetSub = store.onScreenSoftReset(scrollToTop)
-        store.me.notifications.update()
+        store.me.notifications.loadUnreadCount()
+        store.me.notifications.loadLatest()
         screen('Notifications')
 
         return () => {