use a controller method to handle cancan denials

[rails.git] / db / migrate / 20161011010929_subscribe_authors_to_diary_entries.rb

class SubscribeAuthorsToDiaryEntries < ActiveRecord::Migration[5.0]
  def up
    DiaryEntry.find_each do |diary_entry|
      diary_entry.subscriptions.create(:user => diary_entry.user) unless diary_entry.subscribers.exists?(diary_entry.user.id)
    end
  end

  def down; end
end