[Notifications] Add a Mentions tab (#7044)

* Split out NotificationsTab

* Remove unused route parameter

* Refine the split between components

* Hoist some logic out of NotificationFeed

* Remove unused option

* Add all|conversations to query, hardcode "all"

* Add a Conversations tab

* Rename to Mentions

* Bump packages

* Rename fields

* Fix oopsie

* Simplify header

* Track active tab

* Fix types

* Separate logic for tabs

* Better border for first unread

* Highlight unread for all only

* Fix spinner races

* Fix fetchPage races

* Fix bottom bar border being obscured by glimmer

* Remember last tab within the session

* One tab at a time

* Fix TS

* Handle all RQKEY usages

* Nit

2 files changed, 21 insertions, 25 deletions

diff --git a/src/view/com/notifications/NotificationFeed.tsx b/src/view/com/notifications/NotificationFeed.tsx
index 5168933ae..0b814e68d 100644
--- a/src/view/com/notifications/NotificationFeed.tsx
+++ b/src/view/com/notifications/NotificationFeed.tsx
@@ -9,13 +9,11 @@ import {msg} from '@lingui/macro'
 import {useLingui} from '@lingui/react'
 
 import {useInitialNumToRender} from '#/lib/hooks/useInitialNumToRender'
-import {usePalette} from '#/lib/hooks/usePalette'
 import {cleanError} from '#/lib/strings/errors'
 import {s} from '#/lib/styles'
 import {logger} from '#/logger'
 import {useModerationOpts} from '#/state/preferences/moderation-opts'
 import {useNotificationFeedQuery} from '#/state/queries/notifications/feed'
-import {useUnreadNotificationsApi} from '#/state/queries/notifications/unread'
 import {EmptyState} from '#/view/com/util/EmptyState'
 import {ErrorMessage} from '#/view/com/util/error/ErrorMessage'
 import {List, ListRef} from '#/view/com/util/List'
@@ -28,26 +26,26 @@ const LOAD_MORE_ERROR_ITEM = {_reactKey: '__load_more_error__'}
 const LOADING_ITEM = {_reactKey: '__loading__'}
 
 export function NotificationFeed({
+  filter,
+  enabled,
   scrollElRef,
   onPressTryAgain,
   onScrolledDownChange,
   ListHeaderComponent,
-  overridePriorityNotifications,
+  refreshNotifications,
 }: {
+  filter: 'all' | 'mentions'
+  enabled: boolean
   scrollElRef?: ListRef
   onPressTryAgain?: () => void
   onScrolledDownChange: (isScrolledDown: boolean) => void
   ListHeaderComponent?: () => JSX.Element
-  overridePriorityNotifications?: boolean
+  refreshNotifications: () => Promise<void>
 }) {
   const initialNumToRender = useInitialNumToRender()
-
   const [isPTRing, setIsPTRing] = React.useState(false)
-  const pal = usePalette('default')
-
   const {_} = useLingui()
   const moderationOpts = useModerationOpts()
-  const {checkUnread} = useUnreadNotificationsApi()
   const {
     data,
     isFetching,
@@ -58,8 +56,8 @@ export function NotificationFeed({
     isFetchingNextPage,
     fetchNextPage,
   } = useNotificationFeedQuery({
-    enabled: !!moderationOpts,
-    overridePriorityNotifications,
+    enabled: enabled && !!moderationOpts,
+    filter,
   })
   const isEmpty = !isFetching && !data?.pages[0]?.items.length
 
@@ -85,7 +83,7 @@ export function NotificationFeed({
   const onRefresh = React.useCallback(async () => {
     try {
       setIsPTRing(true)
-      await checkUnread({invalidate: true})
+      await refreshNotifications()
     } catch (err) {
       logger.error('Failed to refresh notifications feed', {
         message: err,
@@ -93,7 +91,7 @@ export function NotificationFeed({
     } finally {
       setIsPTRing(false)
     }
-  }, [checkUnread, setIsPTRing])
+  }, [refreshNotifications, setIsPTRing])
 
   const onEndReached = React.useCallback(async () => {
     if (isFetching || !hasNextPage || isError) return
@@ -129,21 +127,18 @@ export function NotificationFeed({
           />
         )
       } else if (item === LOADING_ITEM) {
-        return (
-          <View style={[pal.border]}>
-            <NotificationFeedLoadingPlaceholder />
-          </View>
-        )
+        return <NotificationFeedLoadingPlaceholder />
       }
       return (
         <NotificationFeedItem
+          highlightUnread={filter === 'all'}
           item={item}
           moderationOpts={moderationOpts!}
-          hideTopBorder={index === 0}
+          hideTopBorder={index === 0 && item.notification.isRead}
         />
       )
     },
-    [moderationOpts, _, onPressRetryLoadMore, pal.border],
+    [moderationOpts, _, onPressRetryLoadMore, filter],
   )
 
   const FeedFooter = React.useCallback(
diff --git a/src/view/com/notifications/NotificationFeedItem.tsx b/src/view/com/notifications/NotificationFeedItem.tsx
index 4902e66bc..1267ce089 100644
--- a/src/view/com/notifications/NotificationFeedItem.tsx
+++ b/src/view/com/notifications/NotificationFeedItem.tsx
@@ -79,10 +79,12 @@ interface Author {
 let NotificationFeedItem = ({
   item,
   moderationOpts,
+  highlightUnread,
   hideTopBorder,
 }: {
   item: FeedNotification
   moderationOpts: ModerationOpts
+  highlightUnread: boolean
   hideTopBorder?: boolean
 }): React.ReactNode => {
   const queryClient = useQueryClient()
@@ -151,6 +153,7 @@ let NotificationFeedItem = ({
     if (!item.subject) {
       return null
     }
+    const isHighlighted = highlightUnread && !item.notification.isRead
     return (
       <Link
         testID={`feedItem-by-${item.notification.author.handle}`}
@@ -160,12 +163,10 @@ let NotificationFeedItem = ({
         <Post
           post={item.subject}
           style={
-            item.notification.isRead
-              ? undefined
-              : {
-                  backgroundColor: pal.colors.unreadNotifBg,
-                  borderColor: pal.colors.unreadNotifBorder,
-                }
+            isHighlighted && {
+              backgroundColor: pal.colors.unreadNotifBg,
+              borderColor: pal.colors.unreadNotifBorder,
+            }
           }
           hideTopBorder={hideTopBorder}
         />