From 92268f5da77fb72e7b2190215ecbb7154a7ce6e9 Mon Sep 17 00:00:00 2001
From: Jeremy Kescher <jeremy@kescher.at>
Date: Mon, 18 Jul 2022 06:48:08 +0200
Subject: [PATCH] Revert "Temporarily undo tag_serializer changes due to an
 error"

This reverts commit dc03059a7b4a853583dcc3b10c19e6d29b9a4d67.
---
 app/serializers/rest/tag_serializer.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/app/serializers/rest/tag_serializer.rb b/app/serializers/rest/tag_serializer.rb
index 52bfaa4ce4..7801e77d1f 100644
--- a/app/serializers/rest/tag_serializer.rb
+++ b/app/serializers/rest/tag_serializer.rb
@@ -5,6 +5,8 @@ class REST::TagSerializer < ActiveModel::Serializer
 
   attributes :name, :url, :history
 
+  attribute :following, if: :current_user?
+
   def url
     tag_url(object)
   end
@@ -12,4 +14,16 @@ class REST::TagSerializer < ActiveModel::Serializer
   def name
     object.display_name
   end
+
+  def following
+    if instance_options && instance_options[:relationships]
+      instance_options[:relationships].following_map[object.id] || false
+    else
+      TagFollow.where(tag_id: object.id, account_id: current_user.account_id).exists?
+    end
+  end
+
+  def current_user?
+    !current_user.nil?
+  end
 end