1 files changed, 33 insertions, 0 deletions
diff --git a/src/state/queries/threadgate.ts b/src/state/queries/threadgate.ts
index 489117582..67c6f8c08 100644
--- a/src/state/queries/threadgate.ts
+++ b/src/state/queries/threadgate.ts
@@ -1,5 +1,38 @@
+import {AppBskyFeedDefs, AppBskyFeedThreadgate} from '@atproto/api'
+
 export type ThreadgateSetting =
   | {type: 'nobody'}
   | {type: 'mention'}
   | {type: 'following'}
   | {type: 'list'; list: string}
+
+export function threadgateViewToSettings(
+  threadgate: AppBskyFeedDefs.ThreadgateView | undefined,
+): ThreadgateSetting[] {
+  const record =
+    threadgate &&
+    AppBskyFeedThreadgate.isRecord(threadgate.record) &&
+    AppBskyFeedThreadgate.validateRecord(threadgate.record).success
+      ? threadgate.record
+      : null
+  if (!record) {
+    return []
+  }
+  if (!record.allow?.length) {
+    return [{type: 'nobody'}]
+  }
+  return record.allow
+    .map(allow => {
+      if (allow.$type === 'app.bsky.feed.threadgate#mentionRule') {
+        return {type: 'mention'}
+      }
+      if (allow.$type === 'app.bsky.feed.threadgate#followingRule') {
+        return {type: 'following'}
+      }
+      if (allow.$type === 'app.bsky.feed.threadgate#listRule') {
+        return {type: 'list', list: allow.list}
+      }
+      return undefined
+    })
+    .filter(Boolean) as ThreadgateSetting[]
+}