# acts_as_tree **Repository Path**: zammad/acts_as_tree ## Basic Information - **Project Name**: acts_as_tree - **Description**: mirror from github - **Primary Language**: Unknown - **License**: Not specified - **Default Branch**: master - **Homepage**: None - **GVP Project**: No ## Statistics - **Stars**: 0 - **Forks**: 0 - **Created**: 2023-06-11 - **Last Updated**: 2024-11-23 ## Categories & Tags **Categories**: Uncategorized **Tags**: None ## README acts_as_tree for RAILS 3 ======================== Specify this +acts_as+ extension if you want to model a tree structure by providing a parent association and a children association. This requires that you have a foreign key column, which by default is called +parent_id+. class Category < ActiveRecord::Base acts_as_tree :order => "name" end Example: root \_ child1 \_ subchild1 \_ subchild2 root = Category.create("name" => "root") child1 = root.children.create("name" => "child1") subchild1 = child1.children.create("name" => "subchild1") root.parent # => nil child1.parent # => root root.children # => [child1] root.children.first.children.first # => subchild1 Copyright (c) 2007 David Heinemeier Hansson, released under the MIT license Includes patch from http://dev.rubyonrails.org/ticket/1924