Class: SimpleMarketplace::Checkout

Inherits:
Object
  • Object
show all
Defined in:
lib/simple_marketplace/checkout.rb

Instance Method Summary collapse

Constructor Details

#initialize(*promotional_rules) ⇒ Checkout

Returns a new instance of Checkout.



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# File 'lib/simple_marketplace/checkout.rb', line 4

def initialize(*promotional_rules)
  @promotional_rules = promotional_rules
  @items = []
end

Instance Method Details

#clear_items ⇒ Object

Restart the cart



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# File 'lib/simple_marketplace/checkout.rb', line 29

def clear_items
  @items = []
end

#pretty_total ⇒ Object

Shows the formated total



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# File 'lib/simple_marketplace/checkout.rb', line 24

def pretty_total
  "£#{'%.2f' % total}"
end

#scan(product_code) ⇒ Object

Adds an item to the cart



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# File 'lib/simple_marketplace/checkout.rb', line 10

def scan(product_code)
  if (product = Product.get_by_code(product_code))
    @items << product
  end
end

#total ⇒ Object

Calculates the total with promotions applied



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# File 'lib/simple_marketplace/checkout.rb', line 17

def total
  @total = @items.map(&:price).reduce(:+)
  apply_promotional_rules
  @total
end