[APP-1031] Add new followerRule to threadgate settings (#7681)

* Add new followerRule to threadgate settings

* Handle WhoCanReply copy

* Handle follow case

* fix ci

* Revert "Handle follow case"

This reverts commit bc454dad89.

* Hide Follow button if followedBy rule enabled

* Revert "Revert "Handle follow case""

This reverts commit cadc46d2dc.

---------

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

src/view/com/post-thread/PostThreadItem.tsx

@@ -241,6 +241,11 @@ let PostThreadItemLoaded = ({
     return makeProfileLink(post.author, 'post', urip.rkey, 'quotes')
   }, [post.uri, post.author])
   const quotesTitle = _(msg`Quotes of this post`)
+  const onlyFollowersCanReply = !!threadgateRecord?.allow?.find(
+    rule => rule.$type === 'app.bsky.feed.threadgate#followerRule',
+  )
+  const showFollowButton =
+    currentAccount?.did !== post.author.did && !onlyFollowersCanReply
 
   const translatorUrl = getTranslatorLink(
     record?.text || '',
@@ -343,7 +348,7 @@ let PostThreadItemLoaded = ({
                 </Text>
               </Link>
             </View>
-            {currentAccount?.did !== post.author.did && (
+            {showFollowButton && (
               <View>
                 <PostThreadFollowBtn did={post.author.did} />
               </View>

src/view/com/util/post-ctrls/PostCtrls.tsx

@@ -26,6 +26,7 @@ import {makeProfileLink} from '#/lib/routes/links'
 import {shareUrl} from '#/lib/sharing'
 import {useGate} from '#/lib/statsig/statsig'
 import {toShareUrl} from '#/lib/strings/url-helpers'
+import {useProfileShadow} from '#/state/cache/profile-shadow'
 import {Shadow} from '#/state/cache/types'
 import {useFeedFeedbackContext} from '#/state/feed-feedback'
 import {
@@ -94,6 +95,15 @@ let PostCtrls = ({
       post.author.viewer?.blockingByList,
   )
 
+  const shadowedAuthor = useProfileShadow(post.author)
+  const followersCanReply = !!threadgateRecord?.allow?.find(
+    rule => rule.$type === 'app.bsky.feed.threadgate#followerRule',
+  )
+  const canOverrideReplyDisabled =
+    followersCanReply &&
+    shadowedAuthor.viewer?.following?.startsWith('at://did')
+  const replyDisabled = post.viewer?.replyDisabled && !canOverrideReplyDisabled
+
   const shouldShowLoggedOutWarning = React.useMemo(() => {
     return (
       post.author.did !== currentAccount?.did &&
@@ -247,13 +257,13 @@ let PostCtrls = ({
       <View
         style={[
           big ? a.align_center : [a.flex_1, a.align_start, {marginLeft: -6}],
-          post.viewer?.replyDisabled ? {opacity: 0.5} : undefined,
+          replyDisabled ? {opacity: 0.5} : undefined,
         ]}>
         <Pressable
           testID="replyBtn"
           style={btnStyle}
           onPress={() => {
-            if (!post.viewer?.replyDisabled) {
+            if (!replyDisabled) {
               playHaptic('Light')
               requireAuth(() => onPressReply())
             }