app/serializers/notification_serializer.rb
class NotificationSerializer < ActiveModel::Serializer
attributes :id, :content_type, :content, :parent_id, :unread, :created_at, :time_created_at, :title, :direct_id, :comment, :parent_type, :comment_id
has_one :from_user, serializer: UserBasicSerializer
def time_created_at
object.created_at&.to_i
end
def parent_type
Rails.cache.fetch(['parent_type', object.id, object.direct_id]) do
if Faraday.get(ENV["MAIN_BASE"] + "posts/#{object.direct_id}").success?
"post"
else
"question"
end
end
end
end