class Activity < ApplicationRecord
  include Auditable

  belongs_to :user, optional: true
  belongs_to :organization
  belongs_to :contact, optional: true
  belongs_to :opportunity, optional: true

  validates :activity_type, inclusion: { in: Catalog::ACTIVITY_TYPES.keys }
  validates :subject, :happened_at, presence: true

  scope :recent_first, -> { order(happened_at: :desc, id: :desc) }
  scope :chronological, -> { order(happened_at: :asc, id: :asc) }

  def activity_type_label
    Catalog.label_for(Catalog::ACTIVITY_TYPES, activity_type)
  end
end