Factor our feed source model (#1887)

* Refactor first onboarding step

* Replace old FeedSourceCard

* Clean up CustomFeedEmbed

* Remove discover feeds model

* Refactor ProfileFeed screen

* Remove useCustomFeed

* Delete some unused models

* Rip out more prefs

* Factor out treeView from thread comp

* Improve last commit

src/view/com/auth/onboarding/RecommendedFeedsItem.tsx

@@ -2,6 +2,7 @@ import React from 'react'
 import {View} from 'react-native'
 import {observer} from 'mobx-react-lite'
 import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
+import {AppBskyFeedDefs, RichText as BskRichText} from '@atproto/api'
 import {Text} from 'view/com/util/text/Text'
 import {RichText} from 'view/com/util/text/RichText'
 import {Button} from 'view/com/util/forms/Button'
@@ -11,33 +12,58 @@ import {HeartIcon} from 'lib/icons'
 import {usePalette} from 'lib/hooks/usePalette'
 import {useWebMediaQueries} from 'lib/hooks/useWebMediaQueries'
 import {sanitizeHandle} from 'lib/strings/handles'
-import {FeedSourceModel} from 'state/models/content/feed-source'
+import {
+  usePreferencesQuery,
+  usePinFeedMutation,
+  useRemoveFeedMutation,
+} from '#/state/queries/preferences'
+import {logger} from '#/logger'
 
 export const RecommendedFeedsItem = observer(function RecommendedFeedsItemImpl({
   item,
 }: {
-  item: FeedSourceModel
+  item: AppBskyFeedDefs.GeneratorView
 }) {
   const {isMobile} = useWebMediaQueries()
   const pal = usePalette('default')
-  if (!item) return null
+  const {data: preferences} = usePreferencesQuery()
+  const {
+    mutateAsync: pinFeed,
+    variables: pinnedFeed,
+    reset: resetPinFeed,
+  } = usePinFeedMutation()
+  const {
+    mutateAsync: removeFeed,
+    variables: removedFeed,
+    reset: resetRemoveFeed,
+  } = useRemoveFeedMutation()
+
+  if (!item || !preferences) return null
+
+  const isPinned =
+    !removedFeed?.uri &&
+    (pinnedFeed?.uri || preferences.feeds.saved.includes(item.uri))
+
   const onToggle = async () => {
-    if (item.isSaved) {
+    if (isPinned) {
       try {
-        await item.unsave()
+        await removeFeed({uri: item.uri})
+        resetRemoveFeed()
       } catch (e) {
         Toast.show('There was an issue contacting your server')
-        console.error('Failed to unsave feed', {e})
+        logger.error('Failed to unsave feed', {error: e})
       }
     } else {
       try {
-        await item.pin()
+        await pinFeed({uri: item.uri})
+        resetPinFeed()
       } catch (e) {
         Toast.show('There was an issue contacting your server')
-        console.error('Failed to pin feed', {e})
+        logger.error('Failed to pin feed', {error: e})
       }
     }
   }
+
   return (
     <View testID={`feed-${item.displayName}`}>
       <View
@@ -66,10 +92,10 @@ export const RecommendedFeedsItem = observer(function RecommendedFeedsItemImpl({
           </Text>
 
           <Text style={[pal.textLight, {marginBottom: 8}]} numberOfLines={1}>
-            by {sanitizeHandle(item.creatorHandle, '@')}
+            by {sanitizeHandle(item.creator.handle, '@')}
           </Text>
 
-          {item.descriptionRT ? (
+          {item.description ? (
             <RichText
               type="xl"
               style={[
@@ -80,7 +106,7 @@ export const RecommendedFeedsItem = observer(function RecommendedFeedsItemImpl({
                   marginBottom: 18,
                 },
               ]}
-              richText={item.descriptionRT}
+              richText={new BskRichText({text: item.description || ''})}
               numberOfLines={6}
             />
           ) : null}
@@ -97,7 +123,7 @@ export const RecommendedFeedsItem = observer(function RecommendedFeedsItemImpl({
                   paddingRight: 2,
                   gap: 6,
                 }}>
-                {item.isSaved ? (
+                {isPinned ? (
                   <>
                     <FontAwesomeIcon
                       icon="check"