Create logged-out view for group chat invites (#10598)

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

src/components/hooks/useLandingEntry.native.ts

@@ -0,0 +1,88 @@
+import {useEffect, useState} from 'react'
+import * as Linking from 'expo-linking'
+
+import {parseLinkingUrl} from '#/lib/parseLinkingUrl'
+import {
+  createStarterPackLinkFromAndroidReferrer,
+  httpStarterPackUriToAtUri,
+} from '#/lib/strings/starter-pack'
+import {CHAT_INVITE_CODE_REGEX} from '#/lib/strings/url-helpers'
+import {useHasCheckedForStarterPack} from '#/state/preferences/used-starter-packs'
+import {
+  useSetActiveLanding,
+  useSetActiveStarterPack,
+} from '#/state/shell/landing'
+import {IS_ANDROID} from '#/env'
+import {Referrer, SharedPrefs} from '../../../modules/expo-bluesky-swiss-army'
+
+export function useLandingEntry() {
+  const [ready, setReady] = useState(false)
+  const setActiveStarterPack = useSetActiveStarterPack()
+  const setActiveLanding = useSetActiveLanding()
+  const hasCheckedForStarterPack = useHasCheckedForStarterPack()
+
+  useEffect(() => {
+    if (ready) return
+
+    // Check for group chat invite link from the initial deep link URL
+    const linkingUrl = Linking.getLinkingURL()
+    if (linkingUrl) {
+      const urlp = parseLinkingUrl(linkingUrl)
+      const chatInviteMatch = urlp.pathname.match(CHAT_INVITE_CODE_REGEX)
+      if (chatInviteMatch) {
+        setActiveLanding({
+          type: 'groupchat',
+          uri: linkingUrl,
+          code: chatInviteMatch[1],
+        })
+        setReady(true)
+        return
+      }
+    }
+
+    // On Android, we cannot clear the referral link. It gets stored for 90 days and all we can do is query for it. So,
+    // let's just ensure we never check again after the first time.
+    if (hasCheckedForStarterPack) {
+      setReady(true)
+      return
+    }
+
+    // Safety for Android. Very unlike this could happen, but just in case. The response should be nearly immediate
+    const timeout = setTimeout(() => {
+      setReady(true)
+    }, 500)
+
+    void (async () => {
+      // Check for starter pack
+      let uri: string | null | undefined
+
+      if (IS_ANDROID) {
+        const res = await Referrer.getGooglePlayReferrerInfoAsync()
+
+        if (res && res.installReferrer) {
+          uri = createStarterPackLinkFromAndroidReferrer(res.installReferrer)
+        }
+      } else {
+        const starterPackUri = SharedPrefs.getString('starterPackUri')
+        if (starterPackUri) {
+          uri = httpStarterPackUriToAtUri(starterPackUri)
+          SharedPrefs.setValue('starterPackUri', null)
+        }
+      }
+
+      if (uri) {
+        setActiveStarterPack({
+          uri,
+        })
+      }
+
+      setReady(true)
+    })()
+
+    return () => {
+      clearTimeout(timeout)
+    }
+  }, [ready, setActiveStarterPack, setActiveLanding, hasCheckedForStarterPack])
+
+  return ready
+}