educoder/app/models/stage.rb

class Stage < ApplicationRecord
  include Searchable::Dependents::Stage

  belongs_to :subject, counter_cache: true

  has_many :stage_shixuns, -> { order("stage_shixuns.position ASC") }, dependent: :destroy
  has_many :shixuns, :through => :stage_shixuns

  validates :name, length: { maximum: 60 }
  validates :description, length: { maximum: 300 }
end
first commit 6 years ago			`class Stage < ApplicationRecord`
enable elasticsearch && add elasticsearch config 5 years ago			`include Searchable::Dependents::Stage`
ES search feature 5 years ago
first commit 6 years ago			`belongs_to :subject, counter_cache: true`

			`has_many :stage_shixuns, -> { order("stage_shixuns.position ASC") }, dependent: :destroy`
			`has_many :shixuns, :through => :stage_shixuns`

实践课程的阶段名称限制60个字 5 years ago			`validates :name, length: { maximum: 60 }`
first commit 6 years ago			`validates :description, length: { maximum: 300 }`
			`end`