mastodon/app/models/favourite.rb

# frozen_string_literal: true

class Favourite < ApplicationRecord
  include Paginable
  include Streamable

  belongs_to :account, inverse_of: :favourites
  belongs_to :status,  inverse_of: :favourites

  has_one :notification, as: :activity, dependent: :destroy

  validates :status_id, uniqueness: { scope: :account_id }

  def verb
    destroyed? ? :unfavorite : :favorite
  end

  def title
    destroyed? ? "#{account.acct} no longer favourites a status by #{status.account.acct}" : "#{account.acct} favourited a status by #{status.account.acct}"
  end

  def thread
    status
  end

  def target
    thread
  end

  def hidden?
    status.private_visibility?
  end

  before_validation do
    self.status = status.reblog if status.reblog?
  end
end