Class: Unidom::Category::CategoryRollup

Inherits:

ActiveRecord::Base

• Object
• ActiveRecord::Base
• Unidom::Category::CategoryRollup

Includes:

Unidom::Common::Concerns::ModelExtension

Defined in:

app/models/unidom/category/category_rollup.rb

Overview

Category Rollup 是分类的层级关系。

Class Method Summary

• .roll_up!(ancestor_category, descendant_category, opened_at = Time.now) ⇒ Object

Class Method Details

.roll_up!(ancestor_category, descendant_category, opened_at = Time.now) ⇒ Object

# File 'app/models/unidom/category/category_rollup.rb', line 31

def self.roll_up!(ancestor_category, descendant_category, opened_at = Time.now)
  self.descendant_category_is(descendant_category).ancestor_category_is(ancestor_category).valid_at.alive.first_or_create! opened_at: opened_at
end