Class: ShopLineItem

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/shop_line_item.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.attrs ⇒ Object

Returns attributes attached to the product



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# File 'app/models/shop_line_item.rb', line 30

def attrs
  [ :id, :quantity ]
end

.methds ⇒ Object

Returns methods with usefuly information



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# File 'app/models/shop_line_item.rb', line 35

def methds
  [ :price, :weight ]
end

.params ⇒ Object

Returns a custom hash of attributes on the product



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# File 'app/models/shop_line_item.rb', line 40

def params
  { :only  => attrs, :methods => methds }
end

Instance Method Details

#price ⇒ Object 



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# File 'app/models/shop_line_item.rb', line 15

def price
  (item_price.to_f * self.quantity).to_f
end

#to_json(*attrs) ⇒ Object

Overloads the base to_json to return what we want



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# File 'app/models/shop_line_item.rb', line 25

def to_json(*attrs); super self.class.params; end

#weight ⇒ Object 



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# File 'app/models/shop_line_item.rb', line 19

def weight
  warn 'Not yet fully implemented'
  (item.weight.to_f * self.quantity.to_f).to_f
end