restrict private pin visibility to packmates & do not include them in `featured` collection (mainline masto does not respect pin visibility)

app/controllers/accounts_controller.rb

@@ -29,7 +29,7 @@ class AccountsController < ApplicationController
         end
 
 
-        @pinned_statuses = cache_collection(@account.pinned_statuses, Status) if show_pinned_statuses?
+        @pinned_statuses = cache_collection(pinned_statuses, Status) if show_pinned_statuses?
         @statuses        = filtered_status_page(params)
         @statuses        = cache_collection(@statuses, Status)
 
@@ -51,6 +51,14 @@ class AccountsController < ApplicationController
 
   private
 
+  def pinned_statuses
+    if user_signed_in? && current_account.following?(@account)
+      @account.pinned_statuses
+    else
+      @account.pinned_statuses.where.not(visibility: :private)
+    end
+  end
+
   def show_pinned_statuses?
     [reblogs_requested?, replies_requested?, media_requested?, tag_requested?, params[:max_id].present?, params[:min_id].present?].none?
   end

app/controllers/activitypub/collections_controller.rb

@@ -35,7 +35,7 @@ class ActivityPub::CollectionsController < Api::BaseController
   def set_size
     case params[:id]
     when 'featured'
-      @account.pinned_statuses.count
+      @account.pinned_statuses.where.not(visibility: :private).count
     else
       raise ActiveRecord::RecordNotFound
     end
@@ -45,7 +45,7 @@ class ActivityPub::CollectionsController < Api::BaseController
     case params[:id]
     when 'featured'
       @account.statuses.permitted_for(@account, signed_request_account).tap do |scope|
-        scope.merge!(@account.pinned_statuses)
+        scope.merge!(@account.pinned_statuses.where.not(visibility: :private))
       end
     else
       raise ActiveRecord::RecordNotFound

app/controllers/api/v1/accounts/statuses_controller.rb

@@ -57,7 +57,11 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
   end
 
   def pinned_scope
-    @account.pinned_statuses
+    if user_signed_in? && current_account.following?(@account)
+      @account.pinned_statuses
+    else
+      @account.pinned_statuses.where.not(visibility: :private)
+    end
   end
 
   def no_replies_scope