Noosfero/noosfero

class ProfileActivity < ApplicationRecord
  self.record_timestamps = false

  attr_accessible :profile_id, :profile, :activity

  belongs_to :profile, optional: true
  belongs_to :activity, polymorphic: true, optional: true

  # non polymorphic versions
  belongs_to :scrap, -> {
    joins(:profile_activities).where profile_activities: { activity_type: "Scrap" }
  }, foreign_key: :activity_id, class_name: "Scrap", optional: true

  belongs_to :action_tracker, -> {
    joins(:profile_activities).where profile_activities: { activity_type: "ActionTracker::Record" }
  }, foreign_key: :activity_id, class_name: "ActionTracker::Record", optional: true

  before_validation :copy_timestamps

  def self.update_activity(activity)
    profile_activity = ProfileActivity.where(activity_id: activity.id, activity_type: activity.class.base_class.name).first
    return unless profile_activity

    profile_activity.send :copy_timestamps
    profile_activity.save!
    profile_activity
  end

  protected

    def copy_timestamps
      self.created_at = self.activity.created_at if self.activity.created_at
      self.updated_at = self.activity.updated_at if self.activity.updated_at
    end
end