Genshin/GAKUEngine

module Gaku
  class StudentReview < ActiveRecord::Base
    belongs_to :student, required: false
    belongs_to :student_review_category, required: false
    belongs_to :student_reviewable, polymorphic: true, required: false

    validates :content, :student_id, :student_review_category_id, :student_reviewable_id, :student_reviewable_type, presence: true
    validates :student_id, uniqueness: { scope: %i[student_reviewable_type student_reviewable_id] }
  end
end