Feed UI update working branch [WIP] (#1420)

* Feeds navigation on right side of desktop (#1403)

* Remove home feed header on desktop

* Add feeds to right sidebar

* Add simple non-moving header to desktop

* Improve loading state of custom feed header

* Remove log

Co-authored-by: Eric Bailey <git@esb.lol>

* Remove dead comment

---------

Co-authored-by: Eric Bailey <git@esb.lol>

* Redesign feeds tab (#1439)

* consolidate saved feeds and discover into one screen

* Add hoverStyle behavior to <Link>

* More UI work on SavedFeeds

* Replace satellite icon with a hashtag

* Tune My Feeds mobile ui

* Handle no results in my feeds

* Remove old DiscoverFeeds screen

* Remove multifeed

* Remove DiscoverFeeds from router

* Improve loading placeholders

* Small fixes

* Fix types

* Fix overflow issue on firefox

* Add icons prompting to open feeds

---------

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

* Merge feed prototype [WIP] (#1398)

* POC WIP for the mergefeed

* Add feed API wrapper and move mergefeed into it

* Show feed source in mergefeed

* Add lodash.random dep

* Improve mergefeed sampling and reliability

* Tune source ui element

* Improve mergefeed edge condition handling

* Remove in-place update of feeds for performance

* Fix link on native

* Fix bad ref

* Improve variety in mergefeed sampling

* Fix types

* Fix rebase error

* Add missing source field (got dropped in merge)

* Update find more link

* Simplify the right hand feeds nav

* Bring back load latest button on desktop & unify impl

* Add 'From' to source

* Add simple headers to desktop home & notifications

* Fix thread view jumping around horizontally

* Add unread indicators to desktop headers

* Add home feed preference for enabling the mergefeed

* Add a preference for showing replies among followed users only (#1448)

* Add a preference for showing replies among followed users only

* Simplify the reply filter UI

* Fix typo

* Simplified custom feed header

* Add soft reset to custom feed screen

* Drop all the in-post translate links except when expanded (#1455)

* Update mobile feed settings links to match desktop

* Fixes to feeds screen loading states

* Bolder active state of feeds tab on mobile web

* Fix dark mode issue

---------

Co-authored-by: Eric Bailey <git@esb.lol>
Co-authored-by: Ansh <anshnanda10@gmail.com>

src/lib/api/feed-manip.ts

@@ -4,6 +4,7 @@ import {
   AppBskyEmbedRecordWithMedia,
   AppBskyEmbedRecord,
 } from '@atproto/api'
+import {FeedSourceInfo} from './feed/types'
 import {isPostInLanguage} from '../../locale/helpers'
 type FeedViewPost = AppBskyFeedDefs.FeedViewPost
 
@@ -64,6 +65,11 @@ export class FeedViewPostsSlice {
     )
   }
 
+  get source(): FeedSourceInfo | undefined {
+    return this.items.find(item => '__source' in item && !!item.__source)
+      ?.__source as FeedSourceInfo
+  }
+
   containsUri(uri: string) {
     return !!this.items.find(item => item.post.uri === uri)
   }
@@ -91,6 +97,23 @@ export class FeedViewPostsSlice {
       }
     }
   }
+
+  isFollowingAllAuthors(userDid: string) {
+    const item = this.rootItem
+    if (item.post.author.did === userDid) {
+      return true
+    }
+    if (AppBskyFeedDefs.isPostView(item.reply?.parent)) {
+      const parent = item.reply?.parent
+      if (parent?.author.did === userDid) {
+        return true
+      }
+      return (
+        parent?.author.viewer?.following && item.post.author.viewer?.following
+      )
+    }
+    return false
+  }
 }
 
 export class FeedTuner {
@@ -222,20 +245,34 @@ export class FeedTuner {
     return slices
   }
 
-  static likedRepliesOnly({repliesThreshold}: {repliesThreshold: number}) {
+  static thresholdRepliesOnly({
+    userDid,
+    minLikes,
+    followedOnly,
+  }: {
+    userDid: string
+    minLikes: number
+    followedOnly: boolean
+  }) {
     return (
       tuner: FeedTuner,
       slices: FeedViewPostsSlice[],
     ): FeedViewPostsSlice[] => {
-      // remove any replies without at least repliesThreshold likes
+      // remove any replies without at least minLikes likes
       for (let i = slices.length - 1; i >= 0; i--) {
-        if (slices[i].isFullThread || !slices[i].isReply) {
+        const slice = slices[i]
+        if (slice.isFullThread || !slice.isReply) {
           continue
         }
 
-        const item = slices[i].rootItem
+        const item = slice.rootItem
         const isRepost = Boolean(item.reason)
-        if (!isRepost && (item.post.likeCount || 0) < repliesThreshold) {
+        if (isRepost) {
+          continue
+        }
+        if ((item.post.likeCount || 0) < minLikes) {
+          slices.splice(i, 1)
+        } else if (followedOnly && !slice.isFollowingAllAuthors(userDid)) {
           slices.splice(i, 1)
         }
       }