Add notifications view

src/view/com/notifications/Feed.tsx

@@ -0,0 +1,50 @@
+import React from 'react'
+import {observer} from 'mobx-react-lite'
+import {Text, View, FlatList} from 'react-native'
+import {OnNavigateContent} from '../../routes/types'
+import {
+  NotificationsViewModel,
+  NotificationsViewItemModel,
+} from '../../../state/models/notifications-view'
+import {FeedItem} from './FeedItem'
+
+export const Feed = observer(function Feed({
+  view,
+  onNavigateContent,
+}: {
+  view: NotificationsViewModel
+  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: NotificationsViewItemModel}) => (
+    <FeedItem item={item} onNavigateContent={onNavigateContent} />
+  )
+  const onRefresh = () => {
+    view.refresh().catch(err => console.error('Failed to refresh', err))
+  }
+  const onEndReached = () => {
+    view.loadMore().catch(err => console.error('Failed to load more', err))
+  }
+  return (
+    <View>
+      {view.isLoading && !view.isRefreshing && !view.hasContent && (
+        <Text>Loading...</Text>
+      )}
+      {view.hasError && <Text>{view.error}</Text>}
+      {view.hasContent && (
+        <FlatList
+          data={view.notifications}
+          keyExtractor={item => item._reactKey}
+          renderItem={renderItem}
+          refreshing={view.isRefreshing}
+          onRefresh={onRefresh}
+          onEndReached={onEndReached}
+        />
+      )}
+      {view.isEmpty && <Text>This feed is empty!</Text>}
+    </View>
+  )
+})

src/view/com/notifications/FeedItem.tsx

@@ -0,0 +1,136 @@
+import React from 'react'
+import {observer} from 'mobx-react-lite'
+import {Image, StyleSheet, Text, TouchableOpacity, View} from 'react-native'
+import {AdxUri} from '@adxp/mock-api'
+import {FontAwesomeIcon, Props} from '@fortawesome/react-native-fontawesome'
+import {OnNavigateContent} from '../../routes/types'
+import {NotificationsViewItemModel} from '../../../state/models/notifications-view'
+import {s} from '../../lib/styles'
+import {ago} from '../../lib/strings'
+import {AVIS} from '../../lib/assets'
+import {PostText} from '../post/PostText'
+import {Post} from '../post/Post'
+
+export const FeedItem = observer(function FeedItem({
+  item,
+  onNavigateContent,
+}: {
+  item: NotificationsViewItemModel
+  onNavigateContent: OnNavigateContent
+}) {
+  const onPressOuter = () => {
+    if (item.isLike || item.isRepost) {
+      const urip = new AdxUri(item.subjectUri)
+      onNavigateContent('PostThread', {
+        name: urip.host,
+        recordKey: urip.recordKey,
+      })
+    } else if (item.isFollow) {
+      onNavigateContent('Profile', {
+        name: item.author.name,
+      })
+    } else if (item.isReply) {
+      const urip = new AdxUri(item.uri)
+      onNavigateContent('PostThread', {
+        name: urip.host,
+        recordKey: urip.recordKey,
+      })
+    }
+  }
+  const onPressAuthor = () => {
+    onNavigateContent('Profile', {
+      name: item.author.name,
+    })
+  }
+
+  let action = ''
+  let icon: Props['icon']
+  if (item.isLike) {
+    action = 'liked your post'
+    icon = ['far', 'heart']
+  } else if (item.isRepost) {
+    action = 'reposted your post'
+    icon = 'retweet'
+  } else if (item.isReply) {
+    action = 'replied to your post'
+    icon = ['far', 'comment']
+  } else if (item.isFollow) {
+    action = 'followed you'
+    icon = 'plus'
+  } else {
+    return <></>
+  }
+
+  return (
+    <TouchableOpacity style={styles.outer} onPress={onPressOuter}>
+      <View style={styles.layout}>
+        <TouchableOpacity style={styles.layoutAvi} onPress={onPressAuthor}>
+          <Image
+            style={styles.avi}
+            source={AVIS[item.author.name] || AVIS['alice.com']}
+          />
+        </TouchableOpacity>
+        <View style={styles.layoutContent}>
+          <View style={styles.meta}>
+            <FontAwesomeIcon icon={icon} size={14} style={[s.mt2, s.mr5]} />
+            <Text
+              style={[styles.metaItem, s.f14, s.bold]}
+              onPress={onPressAuthor}>
+              {item.author.displayName}
+            </Text>
+            <Text style={[styles.metaItem, s.f14]}>{action}</Text>
+            <Text style={[styles.metaItem, s.f14, s.gray]}>
+              {ago(item.indexedAt)}
+            </Text>
+          </View>
+          {item.isLike || item.isRepost ? (
+            <PostText uri={item.subjectUri} style={[s.gray]} />
+          ) : (
+            <></>
+          )}
+        </View>
+      </View>
+      {item.isReply ? (
+        <View style={s.pt5}>
+          <Post uri={item.uri} onNavigateContent={onNavigateContent} />
+        </View>
+      ) : (
+        <></>
+      )}
+    </TouchableOpacity>
+  )
+})
+
+const styles = StyleSheet.create({
+  outer: {
+    backgroundColor: '#fff',
+    padding: 10,
+    paddingBottom: 0,
+  },
+  layout: {
+    flexDirection: 'row',
+  },
+  layoutAvi: {
+    width: 40,
+  },
+  avi: {
+    width: 30,
+    height: 30,
+    borderRadius: 15,
+    resizeMode: 'cover',
+  },
+  layoutContent: {
+    flex: 1,
+  },
+  meta: {
+    flexDirection: 'row',
+    paddingTop: 6,
+    paddingBottom: 4,
+  },
+  metaItem: {
+    paddingRight: 3,
+  },
+  postText: {
+    paddingBottom: 5,
+  },
+})