Unidom Category 类别领域模型引擎

Unidom (UNIfied Domain Object Model) is a series of domain model engines. The Category domain model engine includes Category and its relative models. Unidom (统一领域对象模型)是一系列的领域模型引擎。类别领域模型引擎包括类别及其相关的模型。

Recent Update

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Usage in Gemfile

gem 'unidom-category'

Run the Database Migration

rake db:migrate

The migration versions start with 200003.

Call the Model

@category = Unidom::Category::Category.coded_as('x1').scheme_is(scheme).valid_at.alive.first
Unidom::Category::Categorizing.categorize! product, into: category, at: Time.now

Unidom::Category::CategoryRollup.roll_up! child_category, into: parent_category, at: Time.now

# Add the @product into the @category.
@category.categorize! @product, primary: true

Include the Concerns

include Unidom::Category::Concerns::AsCategorized
include Unidom::Category::Concerns::AsCategory

As Category concern

The As Category concern do the following tasks for the includer automatically:

1. Define the has_many :categorizings macro as: has_many :categorizings, class_name: 'Category::Categorizing'
2. Define the #categorize! method as: categorize!(categorized, at: Time.now, primary: true)
3. Define the #categorize? method as: categorize?(categorized, at: Time.now, primary: true)

As Categorized concern

The As Categorized concern do the following tasks for the includer automatically:

1. Define the has_many :categorizings macro as: has_many :categorizings, class_name: 'Unidom::Category::Categorizing', as: :categorized
2. Define the has_many :categories macro as: has_many :categories, through: :categorizings, source: :category
3. Define the #is_categorized! method as: is_categorized!(into: nil, at: Time.now, primary: true)
4. Define the #is_categorized? method as: is_categorized?(into: nil, at: Time.now, primary: true)