New onboarding (#241)

* delete old onboarding files and code

* add custom FollowButton component to Post, FeedItem, & ProfileCard

* move building suggested feed into helper lib

* show suggested posts/feed if follower list is empty

* Update tsconfig.json

* add pagination to getting new onboarding

* remove unnecessary console log

* fix naming, add better null check for combinedCursor

* In locally-combined feeds, correctly produce an undefined cursor when out of data

* Minor refactors of the suggested posts lib functions

* Show 'follow button' style of post meta in certain conditions only

* Only show follow btn in posts on the main feed and the discovery feed

* Add a welcome notice to the home feed

* Tune the timing of when the welcome banner shows or hides

* Make the follow button an observer (closes #244)

* Update postmeta to keep the follow btn after press until next render

* A couple of fixes that ensure consistent welcome screen

* Fix lint

* Rework the welcome banner

* Fix cache invalidation of follows model on user switch

* Show welcome banner while loading

* Update the home onboarding feed to get top posts from hardcode recommends

* Drop unused helper function

* Update happy path tests

---------

Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/view/com/profile/ProfileCard.tsx

@@ -1,14 +1,13 @@
 import React from 'react'
-import {StyleSheet, TouchableOpacity, View} from 'react-native'
+import {StyleSheet, View} from 'react-native'
 import {observer} from 'mobx-react-lite'
 import {Link} from '../util/Link'
 import {Text} from '../util/text/Text'
 import {UserAvatar} from '../util/UserAvatar'
-import * as Toast from '../util/Toast'
 import {s} from 'lib/styles'
 import {usePalette} from 'lib/hooks/usePalette'
 import {useStores} from 'state/index'
-import * as apilib from 'lib/api/index'
+import FollowButton from './FollowButton'
 
 export function ProfileCard({
   handle,
@@ -102,26 +101,7 @@ export const ProfileCardWithFollowBtn = observer(
   }) => {
     const store = useStores()
     const isMe = store.me.handle === handle
-    const isFollowing = store.me.follows.isFollowing(did)
-    const onToggleFollow = async () => {
-      if (store.me.follows.isFollowing(did)) {
-        try {
-          await apilib.unfollow(store, store.me.follows.getFollowUri(did))
-          store.me.follows.removeFollow(did)
-        } catch (e: any) {
-          store.log.error('Failed fo delete follow', e)
-          Toast.show('An issue occurred, please try again.')
-        }
-      } else {
-        try {
-          const res = await apilib.follow(store, did, declarationCid)
-          store.me.follows.addFollow(did, res.uri)
-        } catch (e: any) {
-          store.log.error('Failed fo create follow', e)
-          Toast.show('An issue occurred, please try again.')
-        }
-      }
-    }
+
     return (
       <ProfileCard
         handle={handle}
@@ -132,34 +112,13 @@ export const ProfileCardWithFollowBtn = observer(
         renderButton={
           isMe
             ? undefined
-            : () => (
-                <FollowBtn isFollowing={isFollowing} onPress={onToggleFollow} />
-              )
+            : () => <FollowButton did={did} declarationCid={declarationCid} />
         }
       />
     )
   },
 )
 
-function FollowBtn({
-  isFollowing,
-  onPress,
-}: {
-  isFollowing: boolean
-  onPress: () => void
-}) {
-  const pal = usePalette('default')
-  return (
-    <TouchableOpacity onPress={onPress}>
-      <View style={[styles.btn, pal.btn]}>
-        <Text type="button" style={[pal.text]}>
-          {isFollowing ? 'Unfollow' : 'Follow'}
-        </Text>
-      </View>
-    </TouchableOpacity>
-  )
-}
-
 const styles = StyleSheet.create({
   outer: {
     borderTopWidth: 1,