Add WIP post-thread view

src/view/com/feed/Feed.tsx

@@ -1,12 +1,23 @@
 import React from 'react'
-import {observer, Observer} from 'mobx-react-lite'
+import {observer} from 'mobx-react-lite'
 import {Text, View, FlatList} from 'react-native'
-import {FeedViewModel, FeedViewItemModel} from '../../state/models/feed-view'
+import {OnNavigateContent} from '../../routes/types'
+import {FeedViewModel, FeedViewItemModel} from '../../../state/models/feed-view'
 import {FeedItem} from './FeedItem'
 
-export const Feed = observer(function Feed({feed}: {feed: FeedViewModel}) {
+export const Feed = observer(function Feed({
+  feed,
+  onNavigateContent,
+}: {
+  feed: FeedViewModel
+  onNavigateContent: OnNavigateContent
+}) {
+  // TODO optimize renderItem or FeedItem, we're getting this notice from RN: -prf
+  //   VirtualizedList: You have a large list that is slow to update - make sure your
+  //   renderItem function renders components that follow React performance best practices
+  //   like PureComponent, shouldComponentUpdate, etc
   const renderItem = ({item}: {item: FeedViewItemModel}) => (
-    <Observer>{() => <FeedItem item={item} />}</Observer>
+    <FeedItem item={item} onNavigateContent={onNavigateContent} />
   )
   const onRefresh = () => {
     feed.refresh().catch(err => console.error('Failed to refresh', err))
@@ -21,6 +32,7 @@ export const Feed = observer(function Feed({feed}: {feed: FeedViewModel}) {
       {feed.hasContent && (
         <FlatList
           data={feed.feed}
+          keyExtractor={item => item._reactKey}
           renderItem={renderItem}
           refreshing={feed.isRefreshing}
           onRefresh={onRefresh}

src/view/com/feed/FeedItem.tsx

@@ -1,10 +1,18 @@
 import React from 'react'
 import {observer} from 'mobx-react-lite'
-import {Text, Image, ImageSourcePropType, StyleSheet, View} from 'react-native'
-import {bsky} from '@adxp/mock-api'
+import {
+  Image,
+  ImageSourcePropType,
+  StyleSheet,
+  Text,
+  TouchableOpacity,
+  View,
+} from 'react-native'
+import {bsky, AdxUri} from '@adxp/mock-api'
 import moment from 'moment'
 import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
-import {FeedViewItemModel} from '../../state/models/feed-view'
+import {OnNavigateContent} from '../../routes/types'
+import {FeedViewItemModel} from '../../../state/models/feed-view'
 
 const IMAGES: Record<string, ImageSourcePropType> = {
   'alice.com': require('../../assets/alice.jpg'),
@@ -14,12 +22,21 @@ const IMAGES: Record<string, ImageSourcePropType> = {
 
 export const FeedItem = observer(function FeedItem({
   item,
+  onNavigateContent,
 }: {
   item: FeedViewItemModel
+  onNavigateContent: OnNavigateContent
 }) {
   const record = item.record as unknown as bsky.Post.Record
+  const onPressOuter = () => {
+    const urip = new AdxUri(item.uri)
+    onNavigateContent('PostThread', {
+      name: item.author.name,
+      recordKey: urip.recordKey,
+    })
+  }
   return (
-    <View style={styles.outer}>
+    <TouchableOpacity style={styles.outer} onPress={onPressOuter}>
       {item.repostedBy && (
         <View style={styles.repostedBy}>
           <FontAwesomeIcon icon="retweet" style={styles.repostedByIcon} />
@@ -80,7 +97,7 @@ export const FeedItem = observer(function FeedItem({
           </View>
         </View>
       </View>
-    </View>
+    </TouchableOpacity>
   )
 })
 

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

@@ -0,0 +1,88 @@
+import React, {useState, useEffect} from 'react'
+import {observer} from 'mobx-react-lite'
+import {ActivityIndicator, FlatList, Text, View} from 'react-native'
+import {OnNavigateContent} from '../../routes/types'
+import {
+  PostThreadViewModel,
+  PostThreadViewPostModel,
+} from '../../../state/models/post-thread-view'
+import {useStores} from '../../../state'
+import {PostThreadItem} from './PostThreadItem'
+
+export const PostThread = observer(function PostThread({
+  uri,
+  onNavigateContent,
+}: {
+  uri: string
+  onNavigateContent: OnNavigateContent
+}) {
+  const store = useStores()
+  const [view, setView] = useState<PostThreadViewModel | undefined>()
+
+  useEffect(() => {
+    if (view?.params.uri === uri) {
+      console.log('Post thread doing nothing')
+      return // no change needed? or trigger refresh?
+    }
+    console.log('Fetching post thread', uri)
+    const newView = new PostThreadViewModel(store, {uri})
+    setView(newView)
+    newView.setup().catch(err => console.error('Failed to fetch thread', err))
+  }, [uri, view?.params.uri, store])
+
+  // not yet setup
+  if (
+    !view ||
+    (view.isLoading && !view.isRefreshing) ||
+    view.params.uri !== uri
+  ) {
+    return (
+      <View>
+        <ActivityIndicator />
+      </View>
+    )
+  }
+
+  // error
+  if (view.hasError) {
+    return (
+      <View>
+        <Text>{view.error}</Text>
+      </View>
+    )
+  }
+
+  // rendering
+  const posts = Array.from(flattenThread(view.thread))
+  const renderItem = ({item}: {item: PostThreadViewPostModel}) => (
+    <PostThreadItem item={item} onNavigateContent={onNavigateContent} />
+  )
+  const onRefresh = () => {
+    view.refresh().catch(err => console.error('Failed to refresh', err))
+  }
+  return (
+    <View>
+      {view.isRefreshing && <ActivityIndicator />}
+      {view.hasContent && (
+        <FlatList
+          data={posts}
+          keyExtractor={item => item._reactKey}
+          renderItem={renderItem}
+          refreshing={view.isRefreshing}
+          onRefresh={onRefresh}
+        />
+      )}
+    </View>
+  )
+})
+
+function* flattenThread(
+  post: PostThreadViewPostModel,
+): Generator<PostThreadViewPostModel, void> {
+  yield post
+  if (post.replies?.length) {
+    for (const reply of post.replies) {
+      yield* flattenThread(reply)
+    }
+  }
+}

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

@@ -0,0 +1,176 @@
+import React from 'react'
+import {observer} from 'mobx-react-lite'
+import {
+  Image,
+  ImageSourcePropType,
+  StyleSheet,
+  Text,
+  TouchableOpacity,
+  View,
+} from 'react-native'
+import {bsky} from '@adxp/mock-api'
+import moment from 'moment'
+import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
+import {OnNavigateContent} from '../../routes/types'
+import {PostThreadViewPostModel} from '../../../state/models/post-thread-view'
+
+const IMAGES: Record<string, ImageSourcePropType> = {
+  'alice.com': require('../../assets/alice.jpg'),
+  'bob.com': require('../../assets/bob.jpg'),
+  'carla.com': require('../../assets/carla.jpg'),
+}
+
+export const PostThreadItem = observer(function PostThreadItem({
+  item, // onNavigateContent,
+}: {
+  item: PostThreadViewPostModel
+  onNavigateContent: OnNavigateContent
+}) {
+  const record = item.record as unknown as bsky.Post.Record
+  const onPressOuter = () => {
+    // TODO onNavigateContent
+  }
+  return (
+    <TouchableOpacity style={styles.outer} onPress={onPressOuter}>
+      <View style={styles.layout}>
+        <View style={styles.layoutAvi}>
+          <Image
+            style={styles.avi}
+            source={IMAGES[item.author.name] || IMAGES['alice.com']}
+          />
+        </View>
+        <View style={styles.layoutContent}>
+          <View style={styles.meta}>
+            <Text style={[styles.metaItem, styles.metaDisplayName]}>
+              {item.author.displayName}
+            </Text>
+            <Text style={[styles.metaItem, styles.metaName]}>
+              @{item.author.name}
+            </Text>
+            <Text style={[styles.metaItem, styles.metaDate]}>
+              &middot; {moment(item.indexedAt).fromNow(true)}
+            </Text>
+          </View>
+          <Text style={styles.postText}>{record.text}</Text>
+          <View style={styles.ctrls}>
+            <View style={styles.ctrl}>
+              <FontAwesomeIcon
+                style={styles.ctrlReplyIcon}
+                icon={['far', 'comment']}
+              />
+              <Text>{item.replyCount}</Text>
+            </View>
+            <View style={styles.ctrl}>
+              <FontAwesomeIcon
+                style={styles.ctrlRepostIcon}
+                icon="retweet"
+                size={22}
+              />
+              <Text>{item.repostCount}</Text>
+            </View>
+            <View style={styles.ctrl}>
+              <FontAwesomeIcon
+                style={styles.ctrlLikeIcon}
+                icon={['far', 'heart']}
+              />
+              <Text>{item.likeCount}</Text>
+            </View>
+            <View style={styles.ctrl}>
+              <FontAwesomeIcon
+                style={styles.ctrlShareIcon}
+                icon="share-from-square"
+              />
+            </View>
+          </View>
+        </View>
+      </View>
+    </TouchableOpacity>
+  )
+})
+
+const styles = StyleSheet.create({
+  outer: {
+    borderTopWidth: 1,
+    borderTopColor: '#e8e8e8',
+    backgroundColor: '#fff',
+    padding: 10,
+  },
+  repostedBy: {
+    flexDirection: 'row',
+    paddingLeft: 70,
+  },
+  repostedByIcon: {
+    marginRight: 2,
+    color: 'gray',
+  },
+  repostedByText: {
+    color: 'gray',
+    fontWeight: 'bold',
+    fontSize: 13,
+  },
+  layout: {
+    flexDirection: 'row',
+  },
+  layoutAvi: {
+    width: 70,
+  },
+  avi: {
+    width: 60,
+    height: 60,
+    borderRadius: 30,
+    resizeMode: 'cover',
+  },
+  layoutContent: {
+    flex: 1,
+  },
+  meta: {
+    flexDirection: 'row',
+    paddingTop: 2,
+    paddingBottom: 4,
+  },
+  metaItem: {
+    paddingRight: 5,
+  },
+  metaDisplayName: {
+    fontSize: 15,
+    fontWeight: 'bold',
+  },
+  metaName: {
+    fontSize: 14,
+    color: 'gray',
+  },
+  metaDate: {
+    fontSize: 14,
+    color: 'gray',
+  },
+  postText: {
+    fontSize: 15,
+    paddingBottom: 5,
+  },
+  ctrls: {
+    flexDirection: 'row',
+  },
+  ctrl: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    flex: 1,
+    paddingLeft: 4,
+    paddingRight: 4,
+  },
+  ctrlReplyIcon: {
+    marginRight: 5,
+    color: 'gray',
+  },
+  ctrlRepostIcon: {
+    marginRight: 5,
+    color: 'gray',
+  },
+  ctrlLikeIcon: {
+    marginRight: 5,
+    color: 'gray',
+  },
+  ctrlShareIcon: {
+    marginRight: 5,
+    color: 'gray',
+  },
+})

src/view/routes/index.tsx

@@ -16,7 +16,8 @@ import {Home} from '../screens/Home'
 import {Search} from '../screens/Search'
 import {Notifications} from '../screens/Notifications'
 import {Menu} from '../screens/Menu'
-import {Profile} from '../screens/Profile'
+import {Profile} from '../screens/content/Profile'
+import {PostThread} from '../screens/content/PostThread'
 import {Login} from '../screens/Login'
 import {Signup} from '../screens/Signup'
 import {NotFound} from '../screens/NotFound'
@@ -32,6 +33,7 @@ const linking: LinkingOptions<RootTabsParamList> = {
     screens: {
       Home: '',
       Profile: 'profile/:name',
+      PostThread: 'profile/:name/post/:recordKey',
       Search: 'search',
       Notifications: 'notifications',
       Menu: 'menu',
@@ -42,7 +44,7 @@ const linking: LinkingOptions<RootTabsParamList> = {
   },
 }
 
-export const RootTabs = createBottomTabNavigator()
+export const RootTabs = createBottomTabNavigator<RootTabsParamList>()
 export const PrimaryStack = createNativeStackNavigator()
 
 const tabBarScreenOptions = ({
@@ -92,6 +94,11 @@ export const Root = observer(() => {
               component={Profile}
               options={HIDE_TAB}
             />
+            <RootTabs.Screen
+              name="PostThread"
+              component={PostThread}
+              options={HIDE_TAB}
+            />
           </>
         ) : (
           <>

src/view/routes/types.ts

@@ -6,6 +6,7 @@ export type RootTabsParamList = {
   Notifications: undefined
   Menu: undefined
   Profile: {name: string}
+  PostThread: {name: string; recordKey: string}
   Login: undefined
   Signup: undefined
   NotFound: undefined
@@ -13,6 +14,8 @@ export type RootTabsParamList = {
 export type RootTabsScreenProps<T extends keyof RootTabsParamList> =
   StackScreenProps<RootTabsParamList, T>
 
+export type OnNavigateContent = (screen: string, params: Record<string, string>): void
+
 /*
 NOTE
 this is leftover from a nested nav implementation

src/view/screens/Home.tsx

@@ -1,20 +1,23 @@
 import React, {useEffect} from 'react'
-import {Text, View} from 'react-native'
+import {View} from 'react-native'
 import {Shell} from '../shell'
-import {Feed} from '../com/Feed'
-// import type {RootTabsScreenProps} from '../routes/types'
+import {Feed} from '../com/feed/Feed'
+import type {RootTabsScreenProps} from '../routes/types'
 import {useStores} from '../../state'
 
-export function Home(/*{navigation}: RootTabsScreenProps<'Home'>*/) {
+export function Home({navigation}: RootTabsScreenProps<'Home'>) {
   const store = useStores()
   useEffect(() => {
     console.log('Fetching home feed')
     store.homeFeed.setup()
   }, [store.homeFeed])
+  const onNavigateContent = (screen: string, props: Record<string, string>) => {
+    navigation.navigate(screen, props)
+  }
   return (
     <Shell>
       <View>
-        <Feed feed={store.homeFeed} />
+        <Feed feed={store.homeFeed} onNavigateContent={onNavigateContent} />
       </View>
     </Shell>
   )

src/view/screens/content/PostThread.tsx

@@ -0,0 +1,27 @@
+import React from 'react'
+import {AdxUri} from '@adxp/mock-api'
+import {Shell} from '../../shell'
+import type {RootTabsScreenProps} from '../../routes/types'
+import {PostThread as PostThreadComponent} from '../../com/post-thread/PostThread'
+
+export const PostThread = ({
+  navigation,
+  route,
+}: RootTabsScreenProps<'PostThread'>) => {
+  const {name, recordKey} = route.params
+
+  const urip = new AdxUri(`adx://todo/`)
+  urip.host = name
+  urip.collection = 'blueskyweb.xyz:Posts'
+  urip.recordKey = recordKey
+  const uri = urip.toString()
+
+  const onNavigateContent = (screen: string, props: Record<string, string>) => {
+    navigation.navigate(screen, props)
+  }
+  return (
+    <Shell>
+      <PostThreadComponent uri={uri} onNavigateContent={onNavigateContent} />
+    </Shell>
+  )
+}

src/view/screens/content/Profile.tsx

@@ -1,7 +1,7 @@
 import React from 'react'
-import {Shell} from '../shell'
+import {Shell} from '../../shell'
 import {View, Text} from 'react-native'
-import type {RootTabsScreenProps} from '../routes/types'
+import type {RootTabsScreenProps} from '../../routes/types'
 
 export const Profile = ({route}: RootTabsScreenProps<'Profile'>) => {
   return (