Remove primary algo references

src/components/PrimaryAlgoNoticeDialog.tsx

@@ -1,26 +0,0 @@
-import React from 'react'
-import {msg} from '@lingui/macro'
-import {useLingui} from '@lingui/react'
-
-import {DialogOuterProps} from '#/components/Dialog'
-import * as Prompt from '#/components/Prompt'
-
-export function PrimaryAlgoNoticeDialog({
-  control,
-}: {
-  control: DialogOuterProps['control']
-}) {
-  const {_} = useLingui()
-  return (
-    <Prompt.Outer control={control}>
-      <Prompt.TitleText>Your primary algorithm</Prompt.TitleText>
-      <Prompt.DescriptionText>
-        This feed is set as your primary algorithm, which is used as your home
-        screen when you open the app.
-      </Prompt.DescriptionText>
-      <Prompt.Actions>
-        <Prompt.Cancel cta={_(msg`Close`)} />
-      </Prompt.Actions>
-    </Prompt.Outer>
-  )
-}

src/lib/statsig/gates.ts

@@ -1,12 +1,11 @@
 export type Gate =
   // Keep this alphabetic please.
-  | 'autoexpand_suggestions_on_profile_follow'
-  | 'disable_min_shell_on_foregrounding'
-  | 'disable_poll_on_discover'
+  | 'autoexpand_suggestions_on_profile_follow_v2'
+  | 'disable_min_shell_on_foregrounding_v2'
+  | 'disable_poll_on_discover_v2'
   | 'hide_vertical_scroll_indicators'
-  | 'new_profile_scroll_component'
-  | 'new_search'
-  | 'receive_updates'
-  | 'show_follow_back_label'
+  | 'show_follow_back_label_v2'
+  | 'start_session_with_following_v2'
+  | 'test_gate_1'
+  | 'test_gate_2'
   | 'use_new_suggestions_endpoint'
-  | 'reduced_onboarding_and_home_algo'

src/state/queries/feed.ts

@@ -22,7 +22,6 @@ import {getAgent, useSession} from '#/state/session'
 import {router} from '#/routes'
 
 export type FeedSourceFeedInfo = {
-  isPrimaryAlgorithm: boolean
   type: 'feed'
   uri: string
   route: {
@@ -41,7 +40,6 @@ export type FeedSourceFeedInfo = {
 }
 
 export type FeedSourceListInfo = {
-  isPrimaryAlgorithm: boolean
   type: 'list'
   uri: string
   route: {
@@ -72,7 +70,6 @@ const feedSourceNSIDs = {
 
 export function hydrateFeedGenerator(
   view: AppBskyFeedDefs.GeneratorView,
-  options?: Pick<FeedSourceFeedInfo, 'isPrimaryAlgorithm'>,
 ): FeedSourceInfo {
   const urip = new AtUri(view.uri)
   const collection =
@@ -81,7 +78,6 @@ export function hydrateFeedGenerator(
   const route = router.matchPath(href)
 
   return {
-    isPrimaryAlgorithm: options?.isPrimaryAlgorithm ?? false,
     type: 'feed',
     uri: view.uri,
     cid: view.cid,
@@ -113,7 +109,6 @@ export function hydrateList(view: AppBskyGraphDefs.ListView): FeedSourceInfo {
   const route = router.matchPath(href)
 
   return {
-    isPrimaryAlgorithm: false,
     type: 'list',
     uri: view.uri,
     route: {
@@ -209,7 +204,6 @@ export function useSearchPopularFeedsMutation() {
  * The following feed, with fallbacks to Discover
  */
 const PWI_DISCOVER_FEED_STUB: FeedSourceInfo = {
-  isPrimaryAlgorithm: true,
   type: 'feed',
   displayName: 'Discover',
   uri: DISCOVER_FEED_URI,
@@ -289,7 +283,6 @@ export function usePinnedFeedsInfos() {
           result.push(feedInfo)
         } else if (pinnedFeed.type === 'timeline') {
           result.push({
-            isPrimaryAlgorithm: false,
             type: 'feed',
             displayName: 'Following',
             uri: pinnedFeed.value,

src/state/shell/selected-feed.tsx

@@ -4,7 +4,6 @@ import {Gate} from '#/lib/statsig/gates'
 import {useGate} from '#/lib/statsig/statsig'
 import {isWeb} from '#/platform/detection'
 import * as persisted from '#/state/persisted'
-import {DEFAULT_FEED_DESCRIPTOR} from '#/state/queries/post-feed'
 
 type StateContext = string
 type SetContext = (v: string) => void
@@ -13,43 +12,29 @@ const stateContext = React.createContext<StateContext>('home')
 const setContext = React.createContext<SetContext>((_: string) => {})
 
 function getInitialFeed(gate: (gateName: Gate) => boolean) {
-  const isPrimaryAlgoExperimentEnabled = gate(
-    'reduced_onboarding_and_home_algo',
-  )
-  let feed = DEFAULT_FEED_DESCRIPTOR
-
   if (isWeb) {
     if (window.location.pathname === '/') {
       const params = new URLSearchParams(window.location.search)
       const feedFromUrl = params.get('feed')
       if (feedFromUrl) {
-        // basically a link to a specific tab, use that every time if present
+        // If explicitly booted from a link like /?feed=..., prefer that.
         return feedFromUrl
       }
     }
     const feedFromSession = sessionStorage.getItem('lastSelectedHomeFeed')
     if (feedFromSession) {
       // Fall back to a previously chosen feed for this browser tab.
-      feed = feedFromSession
+      return feedFromSession
     }
   }
-
-  const feedFromPersisted = persisted.get('lastSelectedHomeFeed')
-  if (feedFromPersisted) {
-    // Fall back to the last chosen one across all tabs.
-    feed = feedFromPersisted
-  }
-
-  if (isPrimaryAlgoExperimentEnabled) {
-    // following feed
-    if (feed === 'home') {
-      return 'home'
+  if (!gate('start_session_with_following_v2')) {
+    const feedFromPersisted = persisted.get('lastSelectedHomeFeed')
+    if (feedFromPersisted) {
+      // Fall back to the last chosen one across all tabs.
+      return feedFromPersisted
     }
-    // or left-most tab
-    return DEFAULT_FEED_DESCRIPTOR
   }
-
-  return DEFAULT_FEED_DESCRIPTOR
+  return 'home'
 }
 
 export function Provider({children}: React.PropsWithChildren<{}>) {

src/view/com/home/HomeHeader.tsx

@@ -26,9 +26,7 @@ export function HomeHeader(
     if (!hasSession) return false
     return feeds.some(tab => {
       const isFollowing = ['home', 'following'].includes(tab.uri)
-      const isPrimaryAlgo = tab.isPrimaryAlgorithm
-      const isCustom = !isFollowing && !isPrimaryAlgo
-      return isCustom
+      return !isFollowing
     })
   }, [feeds, hasSession])