Override mod prefs

src/state/age-assurance/const.ts

@@ -0,0 +1,11 @@
+import {type ModerationPrefs} from '@atproto/api'
+
+import {DEFAULT_LOGGED_OUT_LABEL_PREFERENCES} from '#/state/queries/preferences/moderation'
+
+export const AGE_RESTRICTED_MODERATION_PREFS: ModerationPrefs = {
+  adultContentEnabled: false,
+  labels: DEFAULT_LOGGED_OUT_LABEL_PREFERENCES,
+  labelers: [],
+  mutedWords: [],
+  hiddenPosts: [],
+}

src/state/age-assurance/index.tsx

@@ -1,8 +1,5 @@
 import {createContext, useContext, useMemo} from 'react'
-import {
-  // useQueryClient,
-  useQuery,
-} from '@tanstack/react-query'
+import {useQuery, useQueryClient} from '@tanstack/react-query'
 
 import {wait} from '#/lib/async/wait'
 import {isNetworkError} from '#/lib/strings/errors'
@@ -13,6 +10,7 @@ import {
   type AppBskyUnspeccedDefs,
 } from '#/state/age-assurance/types'
 import {useGeolocation} from '#/state/geolocation'
+import {preferencesQueryKey} from '#/state/queries/preferences'
 import {useAgent} from '#/state/session'
 
 const logger = Logger.create(Logger.Context.AgeAssurance)
@@ -35,7 +33,7 @@ const AgeAssuranceAPIContext = createContext<AgeAssuranceAPIContextType>({
 })
 
 export function Provider({children}: {children: React.ReactNode}) {
-  // const qc = useQueryClient()
+  const qc = useQueryClient()
   const agent = useAgent()
   const {geolocation} = useGeolocation()
 
@@ -59,6 +57,8 @@ export function Provider({children}: {children: React.ReactNode}) {
           account: agent.session?.did,
         })
 
+        qc.invalidateQueries({queryKey: preferencesQueryKey})
+
         return data
       } catch (e) {
         if (!isNetworkError(e)) {

src/state/age-assurance/useMaybeApplyAgeRestrictedModerationPrefs.ts

@@ -0,0 +1,21 @@
+import {useCallback} from 'react'
+import {type ModerationPrefs} from '@atproto/api'
+
+import {useAgeAssuranceContext} from '#/state/age-assurance'
+import {AGE_RESTRICTED_MODERATION_PREFS} from '#/state/age-assurance/const'
+
+export function useMaybeApplyAgeRestrictedModerationPrefs() {
+  const {isLoaded, isAgeRestricted, isExempt} = useAgeAssuranceContext()
+  return useCallback(
+    (prev: ModerationPrefs) => {
+      const isDefinitelyAgeRestricted = isLoaded && isAgeRestricted
+      const notSureYet = !isLoaded && isAgeRestricted
+
+      if (isExempt) return prev
+      if (notSureYet || isDefinitelyAgeRestricted)
+        return AGE_RESTRICTED_MODERATION_PREFS
+      return prev
+    },
+    [isLoaded, isAgeRestricted, isExempt],
+  )
+}

src/state/queries/preferences/index.ts

@@ -9,6 +9,7 @@ import {PROD_DEFAULT_FEED} from '#/lib/constants'
 import {replaceEqualDeep} from '#/lib/functions'
 import {getAge} from '#/lib/strings/time'
 import {logger} from '#/logger'
+import {useMaybeApplyAgeRestrictedModerationPrefs} from '#/state/age-assurance/useMaybeApplyAgeRestrictedModerationPrefs'
 import {STALE} from '#/state/queries'
 import {
   DEFAULT_HOME_FEED_PREFS,
@@ -31,7 +32,8 @@ export const preferencesQueryKey = [preferencesQueryKeyRoot]
 
 export function usePreferencesQuery() {
   const agent = useAgent()
-  return useQuery({
+  const overrideModPrefs = useMaybeApplyAgeRestrictedModerationPrefs()
+  const query = useQuery({
     staleTime: STALE.SECONDS.FIFTEEN,
     structuralSharing: replaceEqualDeep,
     refetchOnWindowFocus: true,
@@ -69,6 +71,12 @@ export function usePreferencesQuery() {
       }
     },
   })
+
+  if (query.data) {
+    query.data.moderationPrefs = overrideModPrefs(query.data.moderationPrefs)
+  }
+
+  return query
 }
 
 export function useClearPreferencesMutation() {