curated world: also consider public favs

app/models/status.rb

@@ -356,7 +356,7 @@ class Status < ApplicationRecord
         query = timeline_scope(local_only).without_replies
       else
         # instead of our ftl being a noisy irrelevant firehose
-        # only show public stuff boosted by the community
+        # only show public stuff boosted/faved by the community
         query = Status.network
         if local_only then
           # we don't want to change the ltl
@@ -366,14 +366,21 @@ class Status < ApplicationRecord
             .without_reblogs
         else # but on the ftl
           query = query.without_replies unless Setting.show_replies_in_public_timelines
+          # grab the stuff we faved
+          fav_query = Favourite.select('status_id')
+            .where(account_id: Account.local)
+            .reorder(:status_id)
+            .distinct
           # grab the stuff we boosted
-          subquery = query.reblogs.select(:reblog_of_id)
+          boost_query = query.reblogs.select(:reblog_of_id)
             .reorder(nil)
             .distinct
           # map those ids to actual statuses
           # THIS QUERY IS EXPENSIVE AS FUCK!!!!!!!
           # but it does the job
-          query = Status.where(id: subquery).with_public_visibility
+          query = Status.where(id: boost_query)
+            .or(where(id: fav_query))
+            .with_public_visibility
         end
       end
 

app/services/fan_out_on_write_service.rb

@@ -3,7 +3,7 @@
 class FanOutOnWriteService < BaseService
   # Push a status into home and mentions feeds
   # @param [Status] status
-  def call(status)
+  def call(status, allow_nonlocal = false, deliver_to_local = true)
     raise Mastodon::RaceConditionError if status.visibility.nil?
 
     deliver_to_self(status) if status.account.local?
@@ -27,8 +27,7 @@ class FanOutOnWriteService < BaseService
     deliver_to_hashtags(status) if !status.reblog? && status.distributable?
 
     # we want to let community users decide what goes on the ftl with boosts
-    return unless status.network? || status.relayed?
-    deliver_to_local = true
+    return unless allow_nonlocal || status.network? || status.relayed?
 
     if status.reblog? then
       status = Status.find(status.reblog_of_id)

app/services/favourite_service.rb

@@ -16,6 +16,9 @@ class FavouriteService < BaseService
 
     favourite = Favourite.create!(account: account, status: status)
 
+    # stream it to the world timeline if public
+    FanOutOnWriteService.new.call(status, true, false) if status.public_visibility?
+
     create_notification(favourite)
     bump_potential_friendship(account, status)