class ExerciseAnswerComment < ApplicationRecord
  # belongs_to :exercise_answer
  belongs_to :user
  belongs_to :exercise_question
  belongs_to :exercise_shixun_answer, optional: true
  belongs_to :exercise_answer, optional: true

  scope :search_answer_comments, lambda {|name,ids| where("#{name}":ids)}

  validates :comment, length: { maximum: 100, too_long: "不能超过100个字符" }
end