KyivKrishnaAcademy/ved_akadem_students

class Course < ApplicationRecord
  include Ilikable

  has_many :class_schedules, dependent: :destroy
  has_many :teacher_specialities, dependent: :destroy
  has_many :teacher_profiles, through: :teacher_specialities
  has_many :examinations, dependent: :destroy
  has_many :examination_results, through: :examinations

  has_and_belongs_to_many :academic_groups

  validates :title, :description, presence: true

  has_paper_trail

  def label_for_select
    variant.present? ? "#{title}, variant: #{variant}" : title
  end
end