Update feeds on post created (#2085)

src/view/com/composer/Composer.tsx

@@ -14,7 +14,7 @@ import {
 import {useSafeAreaInsets} from 'react-native-safe-area-context'
 import LinearGradient from 'react-native-linear-gradient'
 import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
-import {RichText} from '@atproto/api'
+import {AppBskyFeedGetPosts, RichText} from '@atproto/api'
 import {useAnalytics} from 'lib/analytics/analytics'
 import {useIsKeyboardVisible} from 'lib/hooks/useIsKeyboardVisible'
 import {ExternalEmbed} from './ExternalEmbed'
@@ -59,6 +59,8 @@ import {
 import {useSession, getAgent} from '#/state/session'
 import {useProfileQuery} from '#/state/queries/profile'
 import {useComposerControls} from '#/state/shell/composer'
+import {until} from '#/lib/async/until'
+import {emitPostCreated} from '#/state/events'
 
 type Props = ComposerOpts
 export const ComposePost = observer(function ComposePost({
@@ -208,17 +210,20 @@ export const ComposePost = observer(function ComposePost({
 
     setIsProcessing(true)
 
+    let postUri
     try {
-      await apilib.post(getAgent(), {
-        rawText: richtext.text,
-        replyTo: replyTo?.uri,
-        images: gallery.images,
-        quote,
-        extLink,
-        labels,
-        onStateChange: setProcessingState,
-        langs: toPostLanguages(langPrefs.postLanguage),
-      })
+      postUri = (
+        await apilib.post(getAgent(), {
+          rawText: richtext.text,
+          replyTo: replyTo?.uri,
+          images: gallery.images,
+          quote,
+          extLink,
+          labels,
+          onStateChange: setProcessingState,
+          langs: toPostLanguages(langPrefs.postLanguage),
+        })
+      ).uri
     } catch (e: any) {
       if (extLink) {
         setExtLink({
@@ -236,8 +241,10 @@ export const ComposePost = observer(function ComposePost({
       })
       if (replyTo && replyTo.uri) track('Post:Reply')
     }
-    if (!replyTo) {
-      // TODO onPostCreated
+    if (postUri && !replyTo) {
+      whenAppViewReady(postUri).then(() => {
+        emitPostCreated()
+      })
     }
     setLangPrefs.savePostLanguageToHistory()
     onPost?.()
@@ -533,3 +540,15 @@ const styles = StyleSheet.create({
     borderTopWidth: 1,
   },
 })
+
+async function whenAppViewReady(uri: string) {
+  await until(
+    5, // 5 tries
+    1e3, // 1s delay between tries
+    (res: AppBskyFeedGetPosts.Response) => !!res.data.posts[0],
+    () =>
+      getAgent().getPosts({
+        uris: [uri],
+      }),
+  )
+}