Class: Opensteam::Container::Item

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/opensteam/container.rb

Overview

Items for Container Class used for CartItems, OrderItems, etc

implements quantity mechanism (increment, decrement, set_quantity). if quantity == 0, item destroys itself. implements a method_missing to delegate all unknown method calls to (polymorphic) item.

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object

delegate all missing methods to item, if item responds



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# File 'lib/opensteam/container.rb', line 157

def method_missing(name, *args, &block )
  self.item.respond_to?( name ) ? self.item.__send__( name, *args, &block ) : super
end

Class Method Details

.table_name ⇒ Object 



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# File 'lib/opensteam/container.rb', line 124

def self.table_name ; "container_items" ; end

Instance Method Details

#decr ⇒ Object

decrement quantity



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# File 'lib/opensteam/container.rb', line 147

def decr ; self.decrement!( :quantity, 1 ) ; end

#incr ⇒ Object

increment quantity



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# File 'lib/opensteam/container.rb', line 144

def incr ; self.increment!( :quantity, 1 ) ; end

#set_quantity(qnt) ⇒ Object

set quantity and save item



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# File 'lib/opensteam/container.rb', line 151

def set_quantity( qnt )
  self.quantity = qnt
  save
end