Unidom (UNIfied Domain Object Model) is a series of domain model engines. The Shopping domain model engine includes Shopping Cart and Shopping Item models. Unidom (统一领域对象模型)是一系列的领域模型引擎。购物领域模型引擎包括购物车和购物项的模型。
Check out the Road Map to find out what's the next. Check out the Change Log to find out what's new.
gem 'unidom-shopping'
rake db:migrate
The migration versions start with 200205.
# Create Shopping Cart
lady = Party.create name: 'Ann'
shop = Shop.create name: 'WalMart'
shopping_cart = Unidom::Shopping::ShoppingCart.create shopper: lady, shop: shop, opened_at: Time.now
# Add Products into Shopping Cart
fish = Product.create name: 'Fish'
ball = Prdduct.create name: 'Ball'
shopping_cart.items.create! shopper: lady, shopped: fish, unit_price: 39.96, quantity: 2, opened_at: Time.now
shopping_cart.items.create! shopper: lady, shopped: ball, unit_price: 19.99, quantity: 1, opened_at: Time.now
# or
shopping_cart.add! fish, unit_price: 39.96, quantity: 2, at: Time.now
shopping_cart.add! ball, unit_price: 19.99
# Find the Shopping Cart
shopping_cart = Unidom::Shopping::ShoppingCart.shopped_by(lady).shop_is(shop).valid_at.alive.first
shopping_cart.items.valid_at.alive # fish & ball
include Unidom::Shopping::Concerns::AsCartShopper
include Unidom::Shopping::Concerns::AsItemShopper
include Unidom::Shopping::Concerns::AsShop
include Unidom::Shopping::Concerns::AsShopped
The As Cart Shopper concern do the following tasks for the includer automatically:
- Define the has_many :shopping_carts macro as:
has_many :shopping_carts, class_name: 'Unidom::Shopping::ShoppingCart', as: :shopper
- Define the #get_cart! method as:
get_cart!(from: nil, at: Time.now)
- Define the #get_cart? method as:
get_cart?(from: nil, at: Time.now)
The As Item Shopper concern do the following tasks for the includer automatically:
- Define the has_many :shopping_items macro as:
has_many :shopping_items, class_name: 'Unidom::Shopping::ShoppingItem', as: :shopper
- Define the #add! method as:
add!(it, into: nil, at: Time.now, unit_price: 0, quantity: 1)
- Define the #add? method as:
add?(it, into: nil, at: Time.now)
The As Shop concern do the following tasks for the includer automatically:
- Define the has_many :shopping_carts macro as:
has_many :shopping_carts, class_name: 'Unidom::Shopping::ShoppingCart', as: :shop
- Define the #get_cart! method as:
get_cart!(by: nil, at: Time.now)
The As Shopped concern do the following tasks for the includer automatically:
- Define the has_many :shopping_items macro as:
has_many :shopping_items, class_name: 'Unidom::Shopping::ShoppingItem', as: :shopped
- Define the #is_added! method as:
is_added!(into: nil, by: nil, at: Time.now, unit_price: 0, quantity: 1)
- Define the #is_added? method as:
is_added?(into: nil, by: nil, at: Time.now)
If you only need the app components other than models, the migrations should be neglected, and the models should not be loaded.
# config/initializers/unidom.rb
Unidom::Common.configure do |options|
options[:neglected_namespaces] = %w{
Unidom::Shopping
}
end
# spec/models/unidom_spec.rb
require 'unidom/shopping/models_rspec'
# spec/types/unidom_spec.rb
require 'unidom/shopping/types_rspec'
# spec/validators/unidom_spec.rb
require 'unidom/shopping/validators_rspec'
# lib/unidom.rb
def initialize_unidom
Unidom::Party::Person.class_eval do
include Unidom::Shopping::Concerns::AsCartShopper
include Unidom::Shopping::Concerns::AsItemShopper
end
Unidom::Party::Shop.class_eval do
include Unidom::Shopping::Concerns::AsShop
end
Unidom::Product::Product.class_eval do
include Unidom::Shopping::Concerns::AsShopped
end
end
# spec/rails_helper.rb
require 'unidom'
initialize_unidom
# spec/support/unidom_rspec_shared_examples.rb
require 'unidom/shopping/rspec_shared_examples'
# spec/models/unidom/party/person_spec.rb
describe Unidom::Party::Person, type: :model do
context do
model_attribtues = {
name: 'Tim'
}
it_behaves_like 'Unidom::Shopping::Concerns::AsCartShopper', model_attribtues
it_behaves_like 'Unidom::Shopping::Concerns::AsItemShopper', model_attribtues
end
end
# spec/models/unidom/party/shop_spec.rb
describe Unidom::Party::Shop, type: :model do
context do
model_attribtues = {
name: 'WalMart'
}
it_behaves_like 'Unidom::Shopping::Concerns::AsShop', model_attribtues
end
end
# spec/models/unidom/product/product_spec.rb
describe Unidom::Product::Product, type: :model do
context do
model_attribtues = {
name: 'Model X',
abbreviation: 'MX',
measurement_unit: 'set',
packing_norm: '1 per 1'
}
it_behaves_like 'Unidom::Shopping::Concerns::AsShopped', model_attribtues
end
end