app/models/article_endorsement.rb
class ArticleEndorsement < ApplicationRecord
include Dateable
belongs_to :article, counter_cache: :endorsements_count
belongs_to :user
after_create :send_endorsement
validates :user_id, uniqueness: {
scope: :article_id, message: "has already endorsed this article"
}
def send_endorsement
ArticleEndorsementWorker.perform_async(id)
end
def endorser
user
end
end