1 files changed, 227 insertions, 0 deletions
diff --git a/src/screens/Profile/ProfileFeed/index.tsx b/src/screens/Profile/ProfileFeed/index.tsx
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index 000000000..7d48b5ac1
--- /dev/null
+++ b/src/screens/Profile/ProfileFeed/index.tsx
@@ -0,0 +1,227 @@
+import React, {useCallback, useMemo} from 'react'
+import {StyleSheet, View} from 'react-native'
+import {useAnimatedRef} from 'react-native-reanimated'
+import {msg, Trans} from '@lingui/macro'
+import {useLingui} from '@lingui/react'
+import {useIsFocused, useNavigation} from '@react-navigation/native'
+import {NativeStackScreenProps} from '@react-navigation/native-stack'
+import {useQueryClient} from '@tanstack/react-query'
+
+import {usePalette} from '#/lib/hooks/usePalette'
+import {useSetTitle} from '#/lib/hooks/useSetTitle'
+import {ComposeIcon2} from '#/lib/icons'
+import {CommonNavigatorParams} from '#/lib/routes/types'
+import {NavigationProp} from '#/lib/routes/types'
+import {makeRecordUri} from '#/lib/strings/url-helpers'
+import {s} from '#/lib/styles'
+import {isNative} from '#/platform/detection'
+import {listenSoftReset} from '#/state/events'
+import {FeedFeedbackProvider, useFeedFeedback} from '#/state/feed-feedback'
+import {FeedSourceFeedInfo, useFeedSourceInfoQuery} from '#/state/queries/feed'
+import {FeedDescriptor} from '#/state/queries/post-feed'
+import {RQKEY as FEED_RQKEY} from '#/state/queries/post-feed'
+import {
+  usePreferencesQuery,
+  UsePreferencesQueryResponse,
+} from '#/state/queries/preferences'
+import {useResolveUriQuery} from '#/state/queries/resolve-uri'
+import {truncateAndInvalidate} from '#/state/queries/util'
+import {useSession} from '#/state/session'
+import {useComposerControls} from '#/state/shell/composer'
+import {PostFeed} from '#/view/com/posts/PostFeed'
+import {EmptyState} from '#/view/com/util/EmptyState'
+import {FAB} from '#/view/com/util/fab/FAB'
+import {Button} from '#/view/com/util/forms/Button'
+import {ListRef} from '#/view/com/util/List'
+import {LoadLatestBtn} from '#/view/com/util/load-latest/LoadLatestBtn'
+import {LoadingScreen} from '#/view/com/util/LoadingScreen'
+import {Text} from '#/view/com/util/text/Text'
+import {ProfileFeedHeader} from '#/screens/Profile/components/ProfileFeedHeader'
+import * as Layout from '#/components/Layout'
+
+type Props = NativeStackScreenProps<CommonNavigatorParams, 'ProfileFeed'>
+export function ProfileFeedScreen(props: Props) {
+  const {rkey, name: handleOrDid} = props.route.params
+
+  const pal = usePalette('default')
+  const {_} = useLingui()
+  const navigation = useNavigation<NavigationProp>()
+
+  const uri = useMemo(
+    () => makeRecordUri(handleOrDid, 'app.bsky.feed.generator', rkey),
+    [rkey, handleOrDid],
+  )
+  const {error, data: resolvedUri} = useResolveUriQuery(uri)
+
+  const onPressBack = React.useCallback(() => {
+    if (navigation.canGoBack()) {
+      navigation.goBack()
+    } else {
+      navigation.navigate('Home')
+    }
+  }, [navigation])
+
+  if (error) {
+    return (
+      <Layout.Screen testID="profileFeedScreenError">
+        <Layout.Content>
+          <View style={[pal.view, pal.border, styles.notFoundContainer]}>
+            <Text type="title-lg" style={[pal.text, s.mb10]}>
+              <Trans>Could not load feed</Trans>
+            </Text>
+            <Text type="md" style={[pal.text, s.mb20]}>
+              {error.toString()}
+            </Text>
+
+            <View style={{flexDirection: 'row'}}>
+              <Button
+                type="default"
+                accessibilityLabel={_(msg`Go back`)}
+                accessibilityHint={_(msg`Returns to previous page`)}
+                onPress={onPressBack}
+                style={{flexShrink: 1}}>
+                <Text type="button" style={pal.text}>
+                  <Trans>Go Back</Trans>
+                </Text>
+              </Button>
+            </View>
+          </View>
+        </Layout.Content>
+      </Layout.Screen>
+    )
+  }
+
+  return resolvedUri ? (
+    <Layout.Screen noInsetTop>
+      <ProfileFeedScreenIntermediate feedUri={resolvedUri.uri} />
+    </Layout.Screen>
+  ) : (
+    <Layout.Screen>
+      <LoadingScreen />
+    </Layout.Screen>
+  )
+}
+
+function ProfileFeedScreenIntermediate({feedUri}: {feedUri: string}) {
+  const {data: preferences} = usePreferencesQuery()
+  const {data: info} = useFeedSourceInfoQuery({uri: feedUri})
+
+  if (!preferences || !info) {
+    return <LoadingScreen />
+  }
+
+  return (
+    <ProfileFeedScreenInner
+      preferences={preferences}
+      feedInfo={info as FeedSourceFeedInfo}
+    />
+  )
+}
+
+export function ProfileFeedScreenInner({
+  feedInfo,
+}: {
+  preferences: UsePreferencesQueryResponse
+  feedInfo: FeedSourceFeedInfo
+}) {
+  const {_} = useLingui()
+  const {hasSession} = useSession()
+  const {openComposer} = useComposerControls()
+  const isScreenFocused = useIsFocused()
+
+  useSetTitle(feedInfo?.displayName)
+
+  const feed = `feedgen|${feedInfo.uri}` as FeedDescriptor
+
+  const [hasNew, setHasNew] = React.useState(false)
+  const [isScrolledDown, setIsScrolledDown] = React.useState(false)
+  const queryClient = useQueryClient()
+  const feedFeedback = useFeedFeedback(feed, hasSession)
+  const scrollElRef = useAnimatedRef() as ListRef
+
+  const onScrollToTop = useCallback(() => {
+    scrollElRef.current?.scrollToOffset({
+      animated: isNative,
+      offset: 0, // -headerHeight,
+    })
+    truncateAndInvalidate(queryClient, FEED_RQKEY(feed))
+    setHasNew(false)
+  }, [scrollElRef, queryClient, feed, setHasNew])
+
+  React.useEffect(() => {
+    if (!isScreenFocused) {
+      return
+    }
+    return listenSoftReset(onScrollToTop)
+  }, [onScrollToTop, isScreenFocused])
+
+  const renderPostsEmpty = useCallback(() => {
+    return <EmptyState icon="hashtag" message={_(msg`This feed is empty.`)} />
+  }, [_])
+
+  return (
+    <>
+      <ProfileFeedHeader info={feedInfo} />
+
+      <FeedFeedbackProvider value={feedFeedback}>
+        <PostFeed
+          feed={feed}
+          pollInterval={60e3}
+          disablePoll={hasNew}
+          onHasNew={setHasNew}
+          scrollElRef={scrollElRef}
+          onScrolledDownChange={setIsScrolledDown}
+          renderEmptyState={renderPostsEmpty}
+        />
+      </FeedFeedbackProvider>
+
+      {(isScrolledDown || hasNew) && (
+        <LoadLatestBtn
+          onPress={onScrollToTop}
+          label={_(msg`Load new posts`)}
+          showIndicator={hasNew}
+        />
+      )}
+
+      {hasSession && (
+        <FAB
+          testID="composeFAB"
+          onPress={() => openComposer({})}
+          icon={
+            <ComposeIcon2
+              strokeWidth={1.5}
+              size={29}
+              style={{color: 'white'}}
+            />
+          }
+          accessibilityRole="button"
+          accessibilityLabel={_(msg`New post`)}
+          accessibilityHint=""
+        />
+      )}
+    </>
+  )
+}
+
+const styles = StyleSheet.create({
+  btn: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    gap: 6,
+    paddingVertical: 7,
+    paddingHorizontal: 14,
+    borderRadius: 50,
+    marginLeft: 6,
+  },
+  notFoundContainer: {
+    margin: 10,
+    paddingHorizontal: 18,
+    paddingVertical: 14,
+    borderRadius: 6,
+  },
+  aboutSectionContainer: {
+    paddingVertical: 4,
+    paddingHorizontal: 16,
+    gap: 12,
+  },
+})