Add emoji_reactions property to status api object

app/serializers/rest/emoji_reactions_grouped_by_name_serializer.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+#   name: string,
+#count: number,
+#account_ids: Array<string>,
+#me: boolean,
+#url: string,
+#domain: string
+
+class REST::EmojiReactionsGroupedByNameSerializer < ActiveModel::Serializer
+    attributes :name, :count
+  
+    attribute :me, if: :current_user?
+    attribute :url, if: :custom_emoji?
+    attribute :static_url, if: :custom_emoji?
+    attribute :domain, if: :custom_emoji?
+    attribute :account_ids, if: :has_account_ids?
+
+    def current_user?
+        !current_user.nil?
+    end
+
+    def custom_emoji?
+        object.respond_to?(:custom_emoji)
+    end
+
+    def has_account_ids?
+        object.respond_to?(:account_ids)
+    end
+end
+  

app/serializers/rest/status_serializer.rb

@@ -6,7 +6,7 @@ class REST::StatusSerializer < ActiveModel::Serializer
   attributes :id, :created_at, :in_reply_to_id, :in_reply_to_account_id,
              :sensitive, :spoiler_text, :visibility, :language,
              :uri, :url, :replies_count, :reblogs_count,
-             :favourites_count, :edited_at
+             :favourites_count, :emoji_reactions, :edited_at
 
   attribute :favourited, if: :current_user?
   attribute :reblogged, if: :current_user?
@@ -89,6 +89,10 @@ class REST::StatusSerializer < ActiveModel::Serializer
     end
   end
 
+  def emoji_reactions
+    object.emoji_reactions_grouped_by_name(current_user&.account)
+  end
+
   def reblogged
     if instance_options && instance_options[:relationships]
       instance_options[:relationships].reblogs_map[object.id] || false